repo stringlengths 5 106 | file_url stringlengths 78 301 | file_path stringlengths 4 211 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 7
values | commit_sha stringlengths 40 40 | retrieved_at stringdate 2026-01-04 14:56:49 2026-01-05 02:23:25 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/duplexify/test.js | aws/lti-middleware/node_modules/duplexify/test.js | var tape = require('tape')
var through = require('through2')
var concat = require('concat-stream')
var stream = require('readable-stream')
var net = require('net')
var duplexify = require('./')
var HELLO_WORLD = (Buffer.from && Buffer.from !== Uint8Array.from)
? Buffer.from('hello world')
: new Buffer('hello world')
tape('passthrough', function(t) {
t.plan(2)
var pt = through()
var dup = duplexify(pt, pt)
dup.end('hello world')
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('passthrough + double end', function(t) {
t.plan(2)
var pt = through()
var dup = duplexify(pt, pt)
dup.end('hello world')
dup.end()
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('async passthrough + end', function(t) {
t.plan(2)
var pt = through.obj({highWaterMark:1}, function(data, enc, cb) {
setTimeout(function() {
cb(null, data)
}, 100)
})
var dup = duplexify(pt, pt)
dup.write('hello ')
dup.write('world')
dup.end()
dup.on('finish', function() {
t.ok(true, 'should finish')
})
dup.pipe(concat(function(data) {
t.same(data.toString(), 'hello world', 'same in as out')
}))
})
tape('duplex', function(t) {
var readExpected = ['read-a', 'read-b', 'read-c']
var writeExpected = ['write-a', 'write-b', 'write-c']
t.plan(readExpected.length+writeExpected.length+2)
var readable = through.obj()
var writable = through.obj(function(data, enc, cb) {
t.same(data, writeExpected.shift(), 'onwrite should match')
cb()
})
var dup = duplexify.obj(writable, readable)
readExpected.slice().forEach(function(data) {
readable.write(data)
})
readable.end()
writeExpected.slice().forEach(function(data) {
dup.write(data)
})
dup.end()
dup.on('data', function(data) {
t.same(data, readExpected.shift(), 'ondata should match')
})
dup.on('end', function() {
t.ok(true, 'should end')
})
dup.on('finish', function() {
t.ok(true, 'should finish')
})
})
tape('async', function(t) {
var dup = duplexify()
var pt = through()
dup.pipe(concat(function(data) {
t.same(data.toString(), 'i was async', 'same in as out')
t.end()
}))
dup.write('i')
dup.write(' was ')
dup.end('async')
setTimeout(function() {
dup.setWritable(pt)
setTimeout(function() {
dup.setReadable(pt)
}, 50)
}, 50)
})
tape('destroy', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
write.destroy = function() {
t.ok(true, 'write destroyed')
}
dup.on('close', function() {
t.ok(true, 'close emitted')
})
dup.destroy()
dup.destroy() // should only work once
dup.end()
})
tape('destroy both', function(t) {
t.plan(3)
var write = through()
var read = through()
var dup = duplexify(write, read)
write.destroy = function() {
t.ok(true, 'write destroyed')
}
read.destroy = function() {
t.ok(true, 'read destroyed')
}
dup.on('close', function() {
t.ok(true, 'close emitted')
})
dup.destroy()
dup.destroy() // should only work once
})
tape('bubble read errors', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
dup.on('error', function(err) {
t.same(err.message, 'read-error', 'received read error')
})
dup.on('close', function() {
t.ok(true, 'close emitted')
})
read.emit('error', new Error('read-error'))
write.emit('error', new Error('write-error')) // only emit first error
})
tape('bubble write errors', function(t) {
t.plan(2)
var write = through()
var read = through()
var dup = duplexify(write, read)
dup.on('error', function(err) {
t.same(err.message, 'write-error', 'received write error')
})
dup.on('close', function() {
t.ok(true, 'close emitted')
})
write.emit('error', new Error('write-error'))
read.emit('error', new Error('read-error')) // only emit first error
})
tape('bubble errors from write()', function(t) {
t.plan(3)
var errored = false
var dup = duplexify(new stream.Writable({
write: function(chunk, enc, next) {
next(new Error('write-error'))
}
}))
dup.on('error', function(err) {
errored = true
t.same(err.message, 'write-error', 'received write error')
})
dup.on('close', function() {
t.pass('close emitted')
t.ok(errored, 'error was emitted before close')
})
dup.end('123')
})
tape('destroy while waiting for drain', function(t) {
t.plan(3)
var errored = false
var dup = duplexify(new stream.Writable({
highWaterMark: 0,
write: function() {}
}))
dup.on('error', function(err) {
errored = true
t.same(err.message, 'destroy-error', 'received destroy error')
})
dup.on('close', function() {
t.pass('close emitted')
t.ok(errored, 'error was emitted before close')
})
dup.write('123')
dup.destroy(new Error('destroy-error'))
})
tape('reset writable / readable', function(t) {
t.plan(3)
var toUpperCase = function(data, enc, cb) {
cb(null, data.toString().toUpperCase())
}
var passthrough = through()
var upper = through(toUpperCase)
var dup = duplexify(passthrough, passthrough)
dup.once('data', function(data) {
t.same(data.toString(), 'hello')
dup.setWritable(upper)
dup.setReadable(upper)
dup.once('data', function(data) {
t.same(data.toString(), 'HELLO')
dup.once('data', function(data) {
t.same(data.toString(), 'HI')
t.end()
})
})
dup.write('hello')
dup.write('hi')
})
dup.write('hello')
})
tape('cork', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
var ok = false
dup.on('prefinish', function() {
dup.cork()
setTimeout(function() {
ok = true
dup.uncork()
}, 100)
})
dup.on('finish', function() {
t.ok(ok)
t.end()
})
dup.end()
})
tape('prefinish not twice', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
var prefinished = false
dup.on('prefinish', function() {
t.ok(!prefinished, 'only prefinish once')
prefinished = true
})
dup.on('finish', function() {
t.end()
})
dup.end()
})
tape('close', function(t) {
var passthrough = through()
var dup = duplexify(passthrough, passthrough)
passthrough.emit('close')
dup.on('close', function() {
t.ok(true, 'should forward close')
t.end()
})
})
tape('works with node native streams (net)', function(t) {
t.plan(1)
var server = net.createServer(function(socket) {
var dup = duplexify(socket, socket)
dup.once('data', function(chunk) {
t.same(chunk, HELLO_WORLD)
server.close()
socket.end()
t.end()
})
})
server.listen(0, function () {
var socket = net.connect(server.address().port)
var dup = duplexify(socket, socket)
dup.write(HELLO_WORLD)
})
})
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/duplexify/example.js | aws/lti-middleware/node_modules/duplexify/example.js | var duplexify = require('duplexify')
var http = require('http')
var request = function(opts) {
var req = http.request(opts)
var dup = duplexify()
dup.setWritable(req)
req.on('response', function(res) {
dup.setReadable(res)
})
return dup
}
var req = request({
method: 'GET',
host: 'www.google.com',
port: 80
})
req.end()
req.pipe(process.stdout)
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/node_modules/ms/index.js | aws/lti-middleware/node_modules/jwks-rsa/node_modules/ms/index.js | /**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === 'string' && val.length > 0) {
return parse(val);
} else if (type === 'number' && isFinite(val)) {
return options.long ? fmtLong(val) : fmtShort(val);
}
throw new Error(
'val is not a non-empty string or a valid number. val=' +
JSON.stringify(val)
);
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) {
return;
}
var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
str
);
if (!match) {
return;
}
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'weeks':
case 'week':
case 'w':
return n * w;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/index.js | aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/index.js | /**
* Detect Electron renderer / nwjs process, which is node, but we should
* treat as a browser.
*/
if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/browser.js | aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/browser.js | /* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = (() => {
let warned = false;
return () => {
if (!warned) {
warned = true;
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
};
})();
/**
* Colors.
*/
exports.colors = [
'#0000CC',
'#0000FF',
'#0033CC',
'#0033FF',
'#0066CC',
'#0066FF',
'#0099CC',
'#0099FF',
'#00CC00',
'#00CC33',
'#00CC66',
'#00CC99',
'#00CCCC',
'#00CCFF',
'#3300CC',
'#3300FF',
'#3333CC',
'#3333FF',
'#3366CC',
'#3366FF',
'#3399CC',
'#3399FF',
'#33CC00',
'#33CC33',
'#33CC66',
'#33CC99',
'#33CCCC',
'#33CCFF',
'#6600CC',
'#6600FF',
'#6633CC',
'#6633FF',
'#66CC00',
'#66CC33',
'#9900CC',
'#9900FF',
'#9933CC',
'#9933FF',
'#99CC00',
'#99CC33',
'#CC0000',
'#CC0033',
'#CC0066',
'#CC0099',
'#CC00CC',
'#CC00FF',
'#CC3300',
'#CC3333',
'#CC3366',
'#CC3399',
'#CC33CC',
'#CC33FF',
'#CC6600',
'#CC6633',
'#CC9900',
'#CC9933',
'#CCCC00',
'#CCCC33',
'#FF0000',
'#FF0033',
'#FF0066',
'#FF0099',
'#FF00CC',
'#FF00FF',
'#FF3300',
'#FF3333',
'#FF3366',
'#FF3399',
'#FF33CC',
'#FF33FF',
'#FF6600',
'#FF6633',
'#FF9900',
'#FF9933',
'#FFCC00',
'#FFCC33'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
}
// Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
}
// Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// Is firebug? http://stackoverflow.com/a/398120/376773
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
// Double check webkit in userAgent just in case we are in a worker
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') +
this.namespace +
(this.useColors ? ' %c' : ' ') +
args[0] +
(this.useColors ? '%c ' : ' ') +
'+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
const c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit');
// The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, match => {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || (() => {});
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem('debug');
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/common.js | aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/common.js |
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
createDebug.destroy = destroy;
Object.keys(env).forEach(key => {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache;
let enabledCache;
function debug(...args) {
// Disabled?
if (!debug.enabled) {
return;
}
const self = debug;
// Set `diff` timestamp
const curr = Number(new Date());
const ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
}
// Apply any `formatters` transformations
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return '%';
}
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
const val = args[index];
match = formatter.call(self, val);
// Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
const logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: () => {
if (enableOverride !== null) {
return enableOverride;
}
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;
},
set: v => {
enableOverride = v;
}
});
// Env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
return debug;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;
createDebug.names = [];
createDebug.skips = [];
let i;
const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
const len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [
...createDebug.names.map(toNamespace),
...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
].join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
let i;
let len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString()
.substring(2, regexp.toString().length - 2)
.replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/node.js | aws/lti-middleware/node_modules/jwks-rsa/node_modules/debug/src/node.js | /**
* Module dependencies.
*/
const tty = require('tty');
const util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*/
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.destroy = util.deprecate(
() => {},
'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
);
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
try {
// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
// eslint-disable-next-line import/no-extraneous-dependencies
const supportsColor = require('supports-color');
if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
exports.colors = [
20,
21,
26,
27,
32,
33,
38,
39,
40,
41,
42,
43,
44,
45,
56,
57,
62,
63,
68,
69,
74,
75,
76,
77,
78,
79,
80,
81,
92,
93,
98,
99,
112,
113,
128,
129,
134,
135,
148,
149,
160,
161,
162,
163,
164,
165,
166,
167,
168,
169,
170,
171,
172,
173,
178,
179,
184,
185,
196,
197,
198,
199,
200,
201,
202,
203,
204,
205,
206,
207,
208,
209,
214,
215,
220,
221
];
}
} catch (error) {
// Swallow - we only care if `supports-color` is available; it doesn't have to be.
}
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(key => {
return /^debug_/i.test(key);
}).reduce((obj, key) => {
// Camel-case
const prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, (_, k) => {
return k.toUpperCase();
});
// Coerce string value into JS value
let val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) {
val = true;
} else if (/^(no|off|false|disabled)$/i.test(val)) {
val = false;
} else if (val === 'null') {
val = null;
} else {
val = Number(val);
}
obj[prop] = val;
return obj;
}, {});
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts ?
Boolean(exports.inspectOpts.colors) :
tty.isatty(process.stderr.fd);
}
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
const {namespace: name, useColors} = this;
if (useColors) {
const c = this.color;
const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
const prefix = ` ${colorCode};1m${name} \u001B[0m`;
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
} else {
args[0] = getDate() + name + ' ' + args[0];
}
}
function getDate() {
if (exports.inspectOpts.hideDate) {
return '';
}
return new Date().toISOString() + ' ';
}
/**
* Invokes `util.format()` with the specified arguments and writes to stderr.
*/
function log(...args) {
return process.stderr.write(util.format(...args) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (namespaces) {
process.env.DEBUG = namespaces;
} else {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init(debug) {
debug.inspectOpts = {};
const keys = Object.keys(exports.inspectOpts);
for (let i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %o to `util.inspect()`, all on a single line.
*/
formatters.o = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.split('\n')
.map(str => str.trim())
.join(' ');
};
/**
* Map %O to `util.inspect()`, allowing multiple lines if needed.
*/
formatters.O = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/JwksClient.js | aws/lti-middleware/node_modules/jwks-rsa/src/JwksClient.js | const logger = require('debug')('jwks');
const { retrieveSigningKeys } = require('./utils') ;
const { request, cacheSigningKey, rateLimitSigningKey, getKeysInterceptor, callbackSupport } = require('./wrappers');
const JwksError = require('./errors/JwksError');
const SigningKeyNotFoundError = require('./errors/SigningKeyNotFoundError');
class JwksClient {
constructor(options) {
this.options = {
rateLimit: false,
cache: true,
timeout: 30000,
...options
};
// Initialize wrappers.
if (this.options.getKeysInterceptor) {
this.getSigningKey = getKeysInterceptor(this, options);
}
if (this.options.rateLimit) {
this.getSigningKey = rateLimitSigningKey(this, options);
}
if (this.options.cache) {
this.getSigningKey = cacheSigningKey(this, options);
}
this.getSigningKey = callbackSupport(this, options);
}
async getKeys() {
logger(`Fetching keys from '${this.options.jwksUri}'`);
try {
const res = await request({
uri: this.options.jwksUri,
headers: this.options.requestHeaders,
agent: this.options.requestAgent,
timeout: this.options.timeout,
fetcher: this.options.fetcher
});
logger('Keys:', res.keys);
return res.keys;
} catch (err) {
const { errorMsg } = err;
logger('Failure:', errorMsg || err);
throw (errorMsg ? new JwksError(errorMsg) : err);
}
}
async getSigningKeys() {
const keys = await this.getKeys();
if (!keys || !keys.length) {
throw new JwksError('The JWKS endpoint did not contain any keys');
}
const signingKeys = retrieveSigningKeys(keys);
if (!signingKeys.length) {
throw new JwksError('The JWKS endpoint did not contain any signing keys');
}
logger('Signing Keys:', signingKeys);
return signingKeys;
}
async getSigningKey (kid) {
logger(`Fetching signing key for '${kid}'`);
const keys = await this.getSigningKeys();
const kidDefined = kid !== undefined && kid !== null;
if (!kidDefined && keys.length > 1) {
logger('No KID specified and JWKS endpoint returned more than 1 key');
throw new SigningKeyNotFoundError('No KID specified and JWKS endpoint returned more than 1 key');
}
const key = keys.find(k => !kidDefined || k.kid === kid);
if (key) {
return key;
} else {
logger(`Unable to find a signing key that matches '${kid}'`);
throw new SigningKeyNotFoundError(`Unable to find a signing key that matches '${kid}'`);
}
}
}
module.exports = {
JwksClient
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/index.js | aws/lti-middleware/node_modules/jwks-rsa/src/index.js | const { JwksClient } = require('./JwksClient');
const errors = require('./errors');
const { hapiJwt2Key, hapiJwt2KeyAsync } = require('./integrations/hapi');
const { expressJwtSecret } = require('./integrations/express');
const { koaJwtSecret } = require('./integrations/koa');
const { passportJwtSecret } = require('./integrations/passport');
module.exports = (options) => {
return new JwksClient(options);
};
module.exports.JwksClient = JwksClient;
module.exports.ArgumentError = errors.ArgumentError;
module.exports.JwksError = errors.JwksError;
module.exports.JwksRateLimitError = errors.JwksRateLimitError;
module.exports.SigningKeyNotFoundError = errors.SigningKeyNotFoundError;
module.exports.expressJwtSecret = expressJwtSecret;
module.exports.hapiJwt2Key = hapiJwt2Key;
module.exports.hapiJwt2KeyAsync = hapiJwt2KeyAsync;
module.exports.koaJwtSecret = koaJwtSecret;
module.exports.passportJwtSecret = passportJwtSecret;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/utils.js | aws/lti-middleware/node_modules/jwks-rsa/src/utils.js | const jose = require('jose');
function retrieveSigningKeys(keys) {
const keystore = jose.JWKS.asKeyStore({ keys }, { ignoreErrors: true });
return keystore.all({ use: 'sig' }).map((key) => {
return {
kid: key.kid,
alg: key.alg,
get publicKey() { return key.toPEM(false); },
get rsaPublicKey() { return key.toPEM(false); },
getPublicKey() { return key.toPEM(false); }
};
});
}
module.exports = {
retrieveSigningKeys
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/integrations/express.js | aws/lti-middleware/node_modules/jwks-rsa/src/integrations/express.js | const { ArgumentError } = require('../errors');
const { JwksClient } = require('../JwksClient');
const supportedAlg = require('./config');
const handleSigningKeyError = (err, cb) => {
// If we didn't find a match, can't provide a key.
if (err && err.name === 'SigningKeyNotFoundError') {
return cb(null);
}
// If an error occured like rate limiting or HTTP issue, we'll bubble up the error.
if (err) {
return cb(err);
}
};
module.exports.expressJwtSecret = function (options) {
if (options === null || options === undefined) {
throw new ArgumentError('An options object must be provided when initializing expressJwtSecret');
}
const client = new JwksClient(options);
const onError = options.handleSigningKeyError || handleSigningKeyError;
const expressJwt7Provider = async (req, token) => {
if (!token) { return; }
const header = token.header;
if (!header || !supportedAlg.includes(header.alg)) {
return;
}
try {
const key = await client.getSigningKey(header.kid);
return key.publicKey || key.rsaPublicKey;
} catch (err) {
return new Promise((resolve, reject) => {
onError(err, (newError) => {
if (!newError) { return resolve(); }
reject(newError);
});
});
}
};
return function secretProvider(req, header, payload, cb) {
//This function has 4 parameters to make it work with express-jwt@6
//but it also supports express-jwt@7 which only has 2.
if (arguments.length === 4) {
expressJwt7Provider(req, { header })
.then(key => {
setImmediate(cb, null, key);
}).catch(err => {
setImmediate(cb, err);
});
return;
}
return expressJwt7Provider(req, arguments[1]);
};
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/integrations/koa.js | aws/lti-middleware/node_modules/jwks-rsa/src/integrations/koa.js | const { ArgumentError } = require('../errors');
const { JwksClient } = require('../JwksClient');
const supportedAlg = require('./config');
module.exports.koaJwtSecret = function (options = {}) {
if (!options.jwksUri) {
throw new ArgumentError('No JWKS provided. Please provide a jwksUri');
}
const client = new JwksClient(options);
return function secretProvider({ alg, kid } = {}) {
return new Promise((resolve, reject) => {
if (!supportedAlg.includes(alg)) {
return reject(new Error('Missing / invalid token algorithm'));
}
client.getSigningKey(kid)
.then(key => {
resolve(key.publicKey || key.rsaPublicKey);
}).catch(err => {
if (options.handleSigningKeyError) {
return options.handleSigningKeyError(err).then(reject);
}
return reject(err);
});
});
};
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/integrations/hapi.js | aws/lti-middleware/node_modules/jwks-rsa/src/integrations/hapi.js | const { ArgumentError } = require('../errors');
const { JwksClient } = require('../JwksClient');
const supportedAlg = require('./config');
const handleSigningKeyError = (err, cb) => {
// If we didn't find a match, can't provide a key.
if (err && err.name === 'SigningKeyNotFoundError') {
return cb(err, null, null);
}
// If an error occured like rate limiting or HTTP issue, we'll bubble up the error.
if (err) {
return cb(err, null, null);
}
};
/**
* Call hapiJwt2Key as a Promise
* @param {object} options
* @returns {Promise}
*/
module.exports.hapiJwt2KeyAsync = (options) => {
const secretProvider = module.exports.hapiJwt2Key(options);
return function(decoded) {
return new Promise((resolve, reject) => {
const cb = (err, key) => {
(!key || err) ? reject(err) : resolve({ key });
};
secretProvider(decoded, cb);
});
};
};
module.exports.hapiJwt2Key = function (options) {
if (options === null || options === undefined) {
throw new ArgumentError('An options object must be provided when initializing hapiJwt2Key');
}
const client = new JwksClient(options);
const onError = options.handleSigningKeyError || handleSigningKeyError;
return function secretProvider(decoded, cb) {
// We cannot find a signing certificate if there is no header (no kid).
if (!decoded || !decoded.header) {
return cb(new Error('Cannot find a signing certificate if there is no header'), null, null);
}
if (!supportedAlg.includes(decoded.header.alg)) {
return cb(new Error('Unsupported algorithm ' + decoded.header.alg + ' supplied.'), null, null);
}
client.getSigningKey(decoded.header.kid)
.then(key => {
return cb(null, key.publicKey || key.rsaPublicKey, key);
}).catch(err => {
return onError(err, (newError) => cb(newError, null, null));
});
};
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/integrations/config.js | aws/lti-middleware/node_modules/jwks-rsa/src/integrations/config.js | const allowedSignatureAlg = [
'RS256',
'RS384',
'RS512',
'PS256',
'PS384',
'PS512',
'ES256',
'ES256K',
'ES384',
'ES512',
'EdDSA'
];
module.exports = allowedSignatureAlg;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/integrations/passport.js | aws/lti-middleware/node_modules/jwks-rsa/src/integrations/passport.js | const JWT = require('jose').JWT;
const { ArgumentError } = require('../errors');
const { JwksClient } = require('../JwksClient');
const supportedAlg = require('./config');
const handleSigningKeyError = (err, cb) => {
// If we didn't find a match, can't provide a key.
if (err && err.name === 'SigningKeyNotFoundError') {
return cb(null);
}
// If an error occured like rate limiting or HTTP issue, we'll bubble up the error.
if (err) {
return cb(err);
}
};
module.exports.passportJwtSecret = function (options) {
if (options === null || options === undefined) {
throw new ArgumentError('An options object must be provided when initializing passportJwtSecret');
}
if (!options.jwksUri) {
throw new ArgumentError('No JWKS provided. Please provide a jwksUri');
}
const client = new JwksClient(options);
const onError = options.handleSigningKeyError || handleSigningKeyError;
return function secretProvider(req, rawJwtToken, cb) {
let decoded;
try {
decoded = JWT.decode(rawJwtToken, { complete: true });
} catch (err) {
decoded = null;
}
if (!decoded || !supportedAlg.includes(decoded.header.alg)) {
return cb(null, null);
}
client.getSigningKey(decoded.header.kid)
.then(key => {
cb(null, key.publicKey || key.rsaPublicKey);
}).catch(err => {
onError(err, (newError) => cb(newError, null));
});
};
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/errors/JwksError.js | aws/lti-middleware/node_modules/jwks-rsa/src/errors/JwksError.js | function JwksError(message) {
Error.call(this, message);
Error.captureStackTrace(this, this.constructor);
this.name = 'JwksError';
this.message = message;
}
JwksError.prototype = Object.create(Error.prototype);
JwksError.prototype.constructor = JwksError;
module.exports = JwksError;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/errors/index.js | aws/lti-middleware/node_modules/jwks-rsa/src/errors/index.js | module.exports = {
ArgumentError: require('./ArgumentError'),
JwksError: require('./JwksError'),
JwksRateLimitError: require('./JwksRateLimitError'),
SigningKeyNotFoundError: require('./SigningKeyNotFoundError')
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/errors/ArgumentError.js | aws/lti-middleware/node_modules/jwks-rsa/src/errors/ArgumentError.js | function ArgumentError(message) {
Error.call(this, message);
Error.captureStackTrace(this, this.constructor);
this.name = 'ArgumentError';
this.message = message;
}
ArgumentError.prototype = Object.create(Error.prototype);
ArgumentError.prototype.constructor = ArgumentError;
module.exports = ArgumentError;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/errors/SigningKeyNotFoundError.js | aws/lti-middleware/node_modules/jwks-rsa/src/errors/SigningKeyNotFoundError.js | function SigningKeyNotFoundError(message) {
Error.call(this, message);
Error.captureStackTrace(this, this.constructor);
this.name = 'SigningKeyNotFoundError';
this.message = message;
}
SigningKeyNotFoundError.prototype = Object.create(Error.prototype);
SigningKeyNotFoundError.prototype.constructor = SigningKeyNotFoundError;
module.exports = SigningKeyNotFoundError;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/errors/JwksRateLimitError.js | aws/lti-middleware/node_modules/jwks-rsa/src/errors/JwksRateLimitError.js | function JwksRateLimitError(message) {
Error.call(this, message);
Error.captureStackTrace(this, this.constructor);
this.name = 'JwksRateLimitError';
this.message = message;
}
JwksRateLimitError.prototype = Object.create(Error.prototype);
JwksRateLimitError.prototype.constructor = JwksRateLimitError;
module.exports = JwksRateLimitError;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/interceptor.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/interceptor.js | const retrieveSigningKeys = require('../utils').retrieveSigningKeys;
/**
* Uses getKeysInterceptor to allow users to retrieve keys from a file,
* external cache, or provided object before falling back to the jwksUri endpoint
*/
function getKeysInterceptor(client, { getKeysInterceptor }) {
const getSigningKey = client.getSigningKey.bind(client);
return async (kid) => {
const keys = await getKeysInterceptor();
let signingKeys;
if (keys && keys.length) {
signingKeys = retrieveSigningKeys(keys);
}
if (signingKeys && signingKeys.length) {
const key = signingKeys.find(k => !kid || k.kid === kid);
if (key) {
return key;
}
}
return getSigningKey(kid);
};
}
module.exports.default = getKeysInterceptor;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/index.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/index.js | module.exports = {
request: require('./request').default,
cacheSigningKey: require('./cache').default,
rateLimitSigningKey: require('./rateLimit').default,
getKeysInterceptor: require('./interceptor').default,
callbackSupport: require('./callbackSupport').default
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/cache.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/cache.js | const logger = require('debug')('jwks');
const memoizer = require('lru-memoizer');
const { promisify, callbackify } = require('util');
function cacheWrapper(client, { cacheMaxEntries = 5, cacheMaxAge = 600000 }) {
logger(`Configured caching of signing keys. Max: ${cacheMaxEntries} / Age: ${cacheMaxAge}`);
return promisify(memoizer({
hash: (kid) => kid,
load: callbackify(client.getSigningKey.bind(client)),
maxAge: cacheMaxAge,
max: cacheMaxEntries
}));
}
module.exports.default = cacheWrapper;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/callbackSupport.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/callbackSupport.js | const { callbackify } = require('util');
const callbackSupport = (client) => {
const getSigningKey = client.getSigningKey.bind(client);
return (kid, cb) => {
if (cb) {
const callbackFunc = callbackify(getSigningKey);
return callbackFunc(kid, cb);
}
return getSigningKey(kid);
};
};
module.exports.default = callbackSupport;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/rateLimit.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/rateLimit.js | const logger = require('debug')('jwks');
const { RateLimiter } = require('limiter');
const JwksRateLimitError = require('../errors/JwksRateLimitError');
function rateLimitWrapper(client, { jwksRequestsPerMinute = 10 }) {
const getSigningKey = client.getSigningKey.bind(client);
const limiter = new RateLimiter(jwksRequestsPerMinute, 'minute', true);
logger(`Configured rate limiting to JWKS endpoint at ${jwksRequestsPerMinute}/minute`);
return async (kid) => await new Promise((resolve, reject) => {
limiter.removeTokens(1, async (err, remaining) => {
if (err) {
reject(err);
}
logger('Requests to the JWKS endpoint available for the next minute:', remaining);
if (remaining < 0) {
logger('Too many requests to the JWKS endpoint');
reject(new JwksRateLimitError('Too many requests to the JWKS endpoint'));
} else {
try {
const key = await getSigningKey(kid);
resolve(key);
} catch (error) {
reject(error);
}
}
});
});
}
module.exports.default = rateLimitWrapper;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/request.js | aws/lti-middleware/node_modules/jwks-rsa/src/wrappers/request.js | const http = require('http');
const https = require('https');
const urlUtil = require('url');
module.exports.default = (options) => {
if (options.fetcher) {
return options.fetcher(options.uri);
}
return new Promise((resolve, reject) => {
const {
hostname,
path,
port,
protocol
} = urlUtil.parse(options.uri);
const requestOptions = {
hostname,
path,
port,
method: 'GET',
...(options.headers && { headers: { ...options.headers } }),
...(options.timeout && { timeout: options.timeout }),
...(options.agent && { agent: options.agent })
};
const httpRequestLib = protocol === 'https:' ? https : http;
const httpRequest = httpRequestLib.request(requestOptions, (res) => {
let rawData = '';
res.setEncoding('utf8');
res.on('data', (chunk) => { rawData += chunk; });
res.on('end', () => {
if (res.statusCode < 200 || res.statusCode >= 300) {
const errorMsg = res.body && (res.body.message || res.body) || res.statusMessage || `Http Error ${res.statusCode}`;
reject({ errorMsg });
} else {
try {
resolve(rawData && JSON.parse(rawData));
} catch (error) {
reject(error);
}
}
});
});
httpRequest
.on('timeout', () => httpRequest.destroy())
.on('error', (e) => reject(e))
.end();
});
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/node_modules/ms/index.js | aws/lti-middleware/node_modules/http-proxy-agent/node_modules/ms/index.js | /**
* Helpers.
*/
var s = 1000;
var m = s * 60;
var h = m * 60;
var d = h * 24;
var w = d * 7;
var y = d * 365.25;
/**
* Parse or format the given `val`.
*
* Options:
*
* - `long` verbose formatting [false]
*
* @param {String|Number} val
* @param {Object} [options]
* @throws {Error} throw an error if val is not a non-empty string or a number
* @return {String|Number}
* @api public
*/
module.exports = function(val, options) {
options = options || {};
var type = typeof val;
if (type === 'string' && val.length > 0) {
return parse(val);
} else if (type === 'number' && isFinite(val)) {
return options.long ? fmtLong(val) : fmtShort(val);
}
throw new Error(
'val is not a non-empty string or a valid number. val=' +
JSON.stringify(val)
);
};
/**
* Parse the given `str` and return milliseconds.
*
* @param {String} str
* @return {Number}
* @api private
*/
function parse(str) {
str = String(str);
if (str.length > 100) {
return;
}
var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
str
);
if (!match) {
return;
}
var n = parseFloat(match[1]);
var type = (match[2] || 'ms').toLowerCase();
switch (type) {
case 'years':
case 'year':
case 'yrs':
case 'yr':
case 'y':
return n * y;
case 'weeks':
case 'week':
case 'w':
return n * w;
case 'days':
case 'day':
case 'd':
return n * d;
case 'hours':
case 'hour':
case 'hrs':
case 'hr':
case 'h':
return n * h;
case 'minutes':
case 'minute':
case 'mins':
case 'min':
case 'm':
return n * m;
case 'seconds':
case 'second':
case 'secs':
case 'sec':
case 's':
return n * s;
case 'milliseconds':
case 'millisecond':
case 'msecs':
case 'msec':
case 'ms':
return n;
default:
return undefined;
}
}
/**
* Short format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtShort(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return Math.round(ms / d) + 'd';
}
if (msAbs >= h) {
return Math.round(ms / h) + 'h';
}
if (msAbs >= m) {
return Math.round(ms / m) + 'm';
}
if (msAbs >= s) {
return Math.round(ms / s) + 's';
}
return ms + 'ms';
}
/**
* Long format for `ms`.
*
* @param {Number} ms
* @return {String}
* @api private
*/
function fmtLong(ms) {
var msAbs = Math.abs(ms);
if (msAbs >= d) {
return plural(ms, msAbs, d, 'day');
}
if (msAbs >= h) {
return plural(ms, msAbs, h, 'hour');
}
if (msAbs >= m) {
return plural(ms, msAbs, m, 'minute');
}
if (msAbs >= s) {
return plural(ms, msAbs, s, 'second');
}
return ms + ' ms';
}
/**
* Pluralization helper.
*/
function plural(ms, msAbs, n, name) {
var isPlural = msAbs >= n * 1.5;
return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/index.js | aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/index.js | /**
* Detect Electron renderer / nwjs process, which is node, but we should
* treat as a browser.
*/
if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
module.exports = require('./browser.js');
} else {
module.exports = require('./node.js');
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/browser.js | aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/browser.js | /* eslint-env browser */
/**
* This is the web browser implementation of `debug()`.
*/
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.storage = localstorage();
exports.destroy = (() => {
let warned = false;
return () => {
if (!warned) {
warned = true;
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
};
})();
/**
* Colors.
*/
exports.colors = [
'#0000CC',
'#0000FF',
'#0033CC',
'#0033FF',
'#0066CC',
'#0066FF',
'#0099CC',
'#0099FF',
'#00CC00',
'#00CC33',
'#00CC66',
'#00CC99',
'#00CCCC',
'#00CCFF',
'#3300CC',
'#3300FF',
'#3333CC',
'#3333FF',
'#3366CC',
'#3366FF',
'#3399CC',
'#3399FF',
'#33CC00',
'#33CC33',
'#33CC66',
'#33CC99',
'#33CCCC',
'#33CCFF',
'#6600CC',
'#6600FF',
'#6633CC',
'#6633FF',
'#66CC00',
'#66CC33',
'#9900CC',
'#9900FF',
'#9933CC',
'#9933FF',
'#99CC00',
'#99CC33',
'#CC0000',
'#CC0033',
'#CC0066',
'#CC0099',
'#CC00CC',
'#CC00FF',
'#CC3300',
'#CC3333',
'#CC3366',
'#CC3399',
'#CC33CC',
'#CC33FF',
'#CC6600',
'#CC6633',
'#CC9900',
'#CC9933',
'#CCCC00',
'#CCCC33',
'#FF0000',
'#FF0033',
'#FF0066',
'#FF0099',
'#FF00CC',
'#FF00FF',
'#FF3300',
'#FF3333',
'#FF3366',
'#FF3399',
'#FF33CC',
'#FF33FF',
'#FF6600',
'#FF6633',
'#FF9900',
'#FF9933',
'#FFCC00',
'#FFCC33'
];
/**
* Currently only WebKit-based Web Inspectors, Firefox >= v31,
* and the Firebug extension (any Firefox version) are known
* to support "%c" CSS customizations.
*
* TODO: add a `localStorage` variable to explicitly enable/disable colors
*/
// eslint-disable-next-line complexity
function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
return true;
}
// Internet Explorer and Edge do not support colors.
if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
return false;
}
// Is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// Is firebug? http://stackoverflow.com/a/398120/376773
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// Is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
// Double check webkit in userAgent just in case we are in a worker
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}
/**
* Colorize log arguments if enabled.
*
* @api public
*/
function formatArgs(args) {
args[0] = (this.useColors ? '%c' : '') +
this.namespace +
(this.useColors ? ' %c' : ' ') +
args[0] +
(this.useColors ? '%c ' : ' ') +
'+' + module.exports.humanize(this.diff);
if (!this.useColors) {
return;
}
const c = 'color: ' + this.color;
args.splice(1, 0, c, 'color: inherit');
// The final "%c" is somewhat tricky, because there could be other
// arguments passed either before or after the %c, so we need to
// figure out the correct index to insert the CSS into
let index = 0;
let lastC = 0;
args[0].replace(/%[a-zA-Z%]/g, match => {
if (match === '%%') {
return;
}
index++;
if (match === '%c') {
// We only are interested in the *last* %c
// (the user may have provided their own)
lastC = index;
}
});
args.splice(lastC, 0, c);
}
/**
* Invokes `console.debug()` when available.
* No-op when `console.debug` is not a "function".
* If `console.debug` is not available, falls back
* to `console.log`.
*
* @api public
*/
exports.log = console.debug || console.log || (() => {});
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
try {
if (namespaces) {
exports.storage.setItem('debug', namespaces);
} else {
exports.storage.removeItem('debug');
}
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
let r;
try {
r = exports.storage.getItem('debug');
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
if (!r && typeof process !== 'undefined' && 'env' in process) {
r = process.env.DEBUG;
}
return r;
}
/**
* Localstorage attempts to return the localstorage.
*
* This is necessary because safari throws
* when a user disables cookies/localstorage
* and you attempt to access it.
*
* @return {LocalStorage}
* @api private
*/
function localstorage() {
try {
// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
// The Browser also has localStorage in the global context.
return localStorage;
} catch (error) {
// Swallow
// XXX (@Qix-) should we be logging these?
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
*/
formatters.j = function (v) {
try {
return JSON.stringify(v);
} catch (error) {
return '[UnexpectedJSONParseError]: ' + error.message;
}
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/common.js | aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/common.js |
/**
* This is the common logic for both the Node.js and web browser
* implementations of `debug()`.
*/
function setup(env) {
createDebug.debug = createDebug;
createDebug.default = createDebug;
createDebug.coerce = coerce;
createDebug.disable = disable;
createDebug.enable = enable;
createDebug.enabled = enabled;
createDebug.humanize = require('ms');
createDebug.destroy = destroy;
Object.keys(env).forEach(key => {
createDebug[key] = env[key];
});
/**
* The currently active debug mode names, and names to skip.
*/
createDebug.names = [];
createDebug.skips = [];
/**
* Map of special "%n" handling functions, for the debug "format" argument.
*
* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
*/
createDebug.formatters = {};
/**
* Selects a color for a debug namespace
* @param {String} namespace The namespace string for the debug instance to be colored
* @return {Number|String} An ANSI color code for the given namespace
* @api private
*/
function selectColor(namespace) {
let hash = 0;
for (let i = 0; i < namespace.length; i++) {
hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
}
createDebug.selectColor = selectColor;
/**
* Create a debugger with the given `namespace`.
*
* @param {String} namespace
* @return {Function}
* @api public
*/
function createDebug(namespace) {
let prevTime;
let enableOverride = null;
let namespacesCache;
let enabledCache;
function debug(...args) {
// Disabled?
if (!debug.enabled) {
return;
}
const self = debug;
// Set `diff` timestamp
const curr = Number(new Date());
const ms = curr - (prevTime || curr);
self.diff = ms;
self.prev = prevTime;
self.curr = curr;
prevTime = curr;
args[0] = createDebug.coerce(args[0]);
if (typeof args[0] !== 'string') {
// Anything else let's inspect with %O
args.unshift('%O');
}
// Apply any `formatters` transformations
let index = 0;
args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
// If we encounter an escaped % then don't increase the array index
if (match === '%%') {
return '%';
}
index++;
const formatter = createDebug.formatters[format];
if (typeof formatter === 'function') {
const val = args[index];
match = formatter.call(self, val);
// Now we need to remove `args[index]` since it's inlined in the `format`
args.splice(index, 1);
index--;
}
return match;
});
// Apply env-specific formatting (colors, etc.)
createDebug.formatArgs.call(self, args);
const logFn = self.log || createDebug.log;
logFn.apply(self, args);
}
debug.namespace = namespace;
debug.useColors = createDebug.useColors();
debug.color = createDebug.selectColor(namespace);
debug.extend = extend;
debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
Object.defineProperty(debug, 'enabled', {
enumerable: true,
configurable: false,
get: () => {
if (enableOverride !== null) {
return enableOverride;
}
if (namespacesCache !== createDebug.namespaces) {
namespacesCache = createDebug.namespaces;
enabledCache = createDebug.enabled(namespace);
}
return enabledCache;
},
set: v => {
enableOverride = v;
}
});
// Env-specific initialization logic for debug instances
if (typeof createDebug.init === 'function') {
createDebug.init(debug);
}
return debug;
}
function extend(namespace, delimiter) {
const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
newDebug.log = this.log;
return newDebug;
}
/**
* Enables a debug mode by namespaces. This can include modes
* separated by a colon and wildcards.
*
* @param {String} namespaces
* @api public
*/
function enable(namespaces) {
createDebug.save(namespaces);
createDebug.namespaces = namespaces;
createDebug.names = [];
createDebug.skips = [];
let i;
const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
const len = split.length;
for (i = 0; i < len; i++) {
if (!split[i]) {
// ignore empty strings
continue;
}
namespaces = split[i].replace(/\*/g, '.*?');
if (namespaces[0] === '-') {
createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
} else {
createDebug.names.push(new RegExp('^' + namespaces + '$'));
}
}
}
/**
* Disable debug output.
*
* @return {String} namespaces
* @api public
*/
function disable() {
const namespaces = [
...createDebug.names.map(toNamespace),
...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
].join(',');
createDebug.enable('');
return namespaces;
}
/**
* Returns true if the given mode name is enabled, false otherwise.
*
* @param {String} name
* @return {Boolean}
* @api public
*/
function enabled(name) {
if (name[name.length - 1] === '*') {
return true;
}
let i;
let len;
for (i = 0, len = createDebug.skips.length; i < len; i++) {
if (createDebug.skips[i].test(name)) {
return false;
}
}
for (i = 0, len = createDebug.names.length; i < len; i++) {
if (createDebug.names[i].test(name)) {
return true;
}
}
return false;
}
/**
* Convert regexp to namespace
*
* @param {RegExp} regxep
* @return {String} namespace
* @api private
*/
function toNamespace(regexp) {
return regexp.toString()
.substring(2, regexp.toString().length - 2)
.replace(/\.\*\?$/, '*');
}
/**
* Coerce `val`.
*
* @param {Mixed} val
* @return {Mixed}
* @api private
*/
function coerce(val) {
if (val instanceof Error) {
return val.stack || val.message;
}
return val;
}
/**
* XXX DO NOT USE. This is a temporary stub function.
* XXX It WILL be removed in the next major release.
*/
function destroy() {
console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
}
createDebug.enable(createDebug.load());
return createDebug;
}
module.exports = setup;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/node.js | aws/lti-middleware/node_modules/http-proxy-agent/node_modules/debug/src/node.js | /**
* Module dependencies.
*/
const tty = require('tty');
const util = require('util');
/**
* This is the Node.js implementation of `debug()`.
*/
exports.init = init;
exports.log = log;
exports.formatArgs = formatArgs;
exports.save = save;
exports.load = load;
exports.useColors = useColors;
exports.destroy = util.deprecate(
() => {},
'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
);
/**
* Colors.
*/
exports.colors = [6, 2, 3, 4, 5, 1];
try {
// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
// eslint-disable-next-line import/no-extraneous-dependencies
const supportsColor = require('supports-color');
if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
exports.colors = [
20,
21,
26,
27,
32,
33,
38,
39,
40,
41,
42,
43,
44,
45,
56,
57,
62,
63,
68,
69,
74,
75,
76,
77,
78,
79,
80,
81,
92,
93,
98,
99,
112,
113,
128,
129,
134,
135,
148,
149,
160,
161,
162,
163,
164,
165,
166,
167,
168,
169,
170,
171,
172,
173,
178,
179,
184,
185,
196,
197,
198,
199,
200,
201,
202,
203,
204,
205,
206,
207,
208,
209,
214,
215,
220,
221
];
}
} catch (error) {
// Swallow - we only care if `supports-color` is available; it doesn't have to be.
}
/**
* Build up the default `inspectOpts` object from the environment variables.
*
* $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
*/
exports.inspectOpts = Object.keys(process.env).filter(key => {
return /^debug_/i.test(key);
}).reduce((obj, key) => {
// Camel-case
const prop = key
.substring(6)
.toLowerCase()
.replace(/_([a-z])/g, (_, k) => {
return k.toUpperCase();
});
// Coerce string value into JS value
let val = process.env[key];
if (/^(yes|on|true|enabled)$/i.test(val)) {
val = true;
} else if (/^(no|off|false|disabled)$/i.test(val)) {
val = false;
} else if (val === 'null') {
val = null;
} else {
val = Number(val);
}
obj[prop] = val;
return obj;
}, {});
/**
* Is stdout a TTY? Colored output is enabled when `true`.
*/
function useColors() {
return 'colors' in exports.inspectOpts ?
Boolean(exports.inspectOpts.colors) :
tty.isatty(process.stderr.fd);
}
/**
* Adds ANSI color escape codes if enabled.
*
* @api public
*/
function formatArgs(args) {
const {namespace: name, useColors} = this;
if (useColors) {
const c = this.color;
const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
const prefix = ` ${colorCode};1m${name} \u001B[0m`;
args[0] = prefix + args[0].split('\n').join('\n' + prefix);
args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
} else {
args[0] = getDate() + name + ' ' + args[0];
}
}
function getDate() {
if (exports.inspectOpts.hideDate) {
return '';
}
return new Date().toISOString() + ' ';
}
/**
* Invokes `util.format()` with the specified arguments and writes to stderr.
*/
function log(...args) {
return process.stderr.write(util.format(...args) + '\n');
}
/**
* Save `namespaces`.
*
* @param {String} namespaces
* @api private
*/
function save(namespaces) {
if (namespaces) {
process.env.DEBUG = namespaces;
} else {
// If you set a process.env field to null or undefined, it gets cast to the
// string 'null' or 'undefined'. Just delete instead.
delete process.env.DEBUG;
}
}
/**
* Load `namespaces`.
*
* @return {String} returns the previously persisted debug modes
* @api private
*/
function load() {
return process.env.DEBUG;
}
/**
* Init logic for `debug` instances.
*
* Create a new `inspectOpts` object in case `useColors` is set
* differently for a particular `debug` instance.
*/
function init(debug) {
debug.inspectOpts = {};
const keys = Object.keys(exports.inspectOpts);
for (let i = 0; i < keys.length; i++) {
debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
}
}
module.exports = require('./common')(exports);
const {formatters} = module.exports;
/**
* Map %o to `util.inspect()`, all on a single line.
*/
formatters.o = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts)
.split('\n')
.map(str => str.trim())
.join(' ');
};
/**
* Map %O to `util.inspect()`, allowing multiple lines if needed.
*/
formatters.O = function (v) {
this.inspectOpts.colors = this.useColors;
return util.inspect(v, this.inspectOpts);
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/dist/index.js | aws/lti-middleware/node_modules/http-proxy-agent/dist/index.js | "use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
const agent_1 = __importDefault(require("./agent"));
function createHttpProxyAgent(opts) {
return new agent_1.default(opts);
}
(function (createHttpProxyAgent) {
createHttpProxyAgent.HttpProxyAgent = agent_1.default;
createHttpProxyAgent.prototype = agent_1.default.prototype;
})(createHttpProxyAgent || (createHttpProxyAgent = {}));
module.exports = createHttpProxyAgent;
//# sourceMappingURL=index.js.map | javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/http-proxy-agent/dist/agent.js | aws/lti-middleware/node_modules/http-proxy-agent/dist/agent.js | "use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const net_1 = __importDefault(require("net"));
const tls_1 = __importDefault(require("tls"));
const url_1 = __importDefault(require("url"));
const debug_1 = __importDefault(require("debug"));
const once_1 = __importDefault(require("@tootallnate/once"));
const agent_base_1 = require("agent-base");
const debug = (0, debug_1.default)('http-proxy-agent');
function isHTTPS(protocol) {
return typeof protocol === 'string' ? /^https:?$/i.test(protocol) : false;
}
/**
* The `HttpProxyAgent` implements an HTTP Agent subclass that connects
* to the specified "HTTP proxy server" in order to proxy HTTP requests.
*
* @api public
*/
class HttpProxyAgent extends agent_base_1.Agent {
constructor(_opts) {
let opts;
if (typeof _opts === 'string') {
opts = url_1.default.parse(_opts);
}
else {
opts = _opts;
}
if (!opts) {
throw new Error('an HTTP(S) proxy server `host` and `port` must be specified!');
}
debug('Creating new HttpProxyAgent instance: %o', opts);
super(opts);
const proxy = Object.assign({}, opts);
// If `true`, then connect to the proxy server over TLS.
// Defaults to `false`.
this.secureProxy = opts.secureProxy || isHTTPS(proxy.protocol);
// Prefer `hostname` over `host`, and set the `port` if needed.
proxy.host = proxy.hostname || proxy.host;
if (typeof proxy.port === 'string') {
proxy.port = parseInt(proxy.port, 10);
}
if (!proxy.port && proxy.host) {
proxy.port = this.secureProxy ? 443 : 80;
}
if (proxy.host && proxy.path) {
// If both a `host` and `path` are specified then it's most likely
// the result of a `url.parse()` call... we need to remove the
// `path` portion so that `net.connect()` doesn't attempt to open
// that as a Unix socket file.
delete proxy.path;
delete proxy.pathname;
}
this.proxy = proxy;
}
/**
* Called when the node-core HTTP client library is creating a
* new HTTP request.
*
* @api protected
*/
callback(req, opts) {
return __awaiter(this, void 0, void 0, function* () {
const { proxy, secureProxy } = this;
const parsed = url_1.default.parse(req.path);
if (!parsed.protocol) {
parsed.protocol = 'http:';
}
if (!parsed.hostname) {
parsed.hostname = opts.hostname || opts.host || null;
}
if (parsed.port == null && typeof opts.port) {
parsed.port = String(opts.port);
}
if (parsed.port === '80') {
// if port is 80, then we can remove the port so that the
// ":80" portion is not on the produced URL
parsed.port = '';
}
// Change the `http.ClientRequest` instance's "path" field
// to the absolute path of the URL that will be requested.
req.path = url_1.default.format(parsed);
// Inject the `Proxy-Authorization` header if necessary.
if (proxy.auth) {
req.setHeader('Proxy-Authorization', `Basic ${Buffer.from(proxy.auth).toString('base64')}`);
}
// Create a socket connection to the proxy server.
let socket;
if (secureProxy) {
debug('Creating `tls.Socket`: %o', proxy);
socket = tls_1.default.connect(proxy);
}
else {
debug('Creating `net.Socket`: %o', proxy);
socket = net_1.default.connect(proxy);
}
// At this point, the http ClientRequest's internal `_header` field
// might have already been set. If this is the case then we'll need
// to re-generate the string since we just changed the `req.path`.
if (req._header) {
let first;
let endOfHeaders;
debug('Regenerating stored HTTP header string for request');
req._header = null;
req._implicitHeader();
if (req.output && req.output.length > 0) {
// Node < 12
debug('Patching connection write() output buffer with updated header');
first = req.output[0];
endOfHeaders = first.indexOf('\r\n\r\n') + 4;
req.output[0] = req._header + first.substring(endOfHeaders);
debug('Output buffer: %o', req.output);
}
else if (req.outputData && req.outputData.length > 0) {
// Node >= 12
debug('Patching connection write() output buffer with updated header');
first = req.outputData[0].data;
endOfHeaders = first.indexOf('\r\n\r\n') + 4;
req.outputData[0].data =
req._header + first.substring(endOfHeaders);
debug('Output buffer: %o', req.outputData[0].data);
}
}
// Wait for the socket's `connect` event, so that this `callback()`
// function throws instead of the `http` request machinery. This is
// important for i.e. `PacProxyAgent` which determines a failed proxy
// connection via the `callback()` function throwing.
yield (0, once_1.default)(socket, 'connect');
return socket;
});
}
}
exports.default = HttpProxyAgent;
//# sourceMappingURL=agent.js.map | javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/queue-microtask/index.js | aws/lti-middleware/node_modules/queue-microtask/index.js | /*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
let promise
module.exports = typeof queueMicrotask === 'function'
? queueMicrotask.bind(typeof window !== 'undefined' ? window : global)
// reuse resolved promise, and allocate it lazily
: cb => (promise || (promise = Promise.resolve()))
.then(cb)
.catch(err => setTimeout(() => { throw err }, 0))
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/pumpify/index.js | aws/lti-middleware/node_modules/pumpify/index.js | var pump = require('pump')
var inherits = require('inherits')
var Duplexify = require('duplexify')
var toArray = function(args) {
if (!args.length) return []
return Array.isArray(args[0]) ? args[0] : Array.prototype.slice.call(args)
}
var define = function(opts) {
var Pumpify = function() {
var streams = toArray(arguments)
if (!(this instanceof Pumpify)) return new Pumpify(streams)
Duplexify.call(this, null, null, opts)
if (streams.length) this.setPipeline(streams)
}
inherits(Pumpify, Duplexify)
Pumpify.prototype.setPipeline = function() {
var streams = toArray(arguments)
var self = this
var ended = false
var w = streams[0]
var r = streams[streams.length-1]
r = r.readable ? r : null
w = w.writable ? w : null
var onclose = function() {
streams[0].emit('error', new Error('stream was destroyed'))
}
this.on('close', onclose)
this.on('prefinish', function() {
if (!ended) self.cork()
})
pump(streams, function(err) {
self.removeListener('close', onclose)
if (err) return self.destroy(err.message === 'premature close' ? null : err)
ended = true
// pump ends after the last stream is not writable *but*
// pumpify still forwards the readable part so we need to catch errors
// still, so reenable autoDestroy in this case
if (self._autoDestroy === false) self._autoDestroy = true
self.uncork()
})
if (this.destroyed) return onclose()
this.setWritable(w)
this.setReadable(r)
}
return Pumpify
}
module.exports = define({autoDestroy:false, destroy:false})
module.exports.obj = define({autoDestroy: false, destroy:false, objectMode:true, highWaterMark:16})
module.exports.ctor = define
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/pumpify/test.js | aws/lti-middleware/node_modules/pumpify/test.js | var tape = require('tape')
var through = require('through2')
var pumpify = require('./')
var stream = require('stream')
var duplexify = require('duplexify')
tape('basic', function(t) {
t.plan(3)
var pipeline = pumpify(
through(function(data, enc, cb) {
t.same(data.toString(), 'hello')
cb(null, data.toString().toUpperCase())
}),
through(function(data, enc, cb) {
t.same(data.toString(), 'HELLO')
cb(null, data.toString().toLowerCase())
})
)
pipeline.write('hello')
pipeline.on('data', function(data) {
t.same(data.toString(), 'hello')
t.end()
})
})
tape('3 times', function(t) {
t.plan(4)
var pipeline = pumpify(
through(function(data, enc, cb) {
t.same(data.toString(), 'hello')
cb(null, data.toString().toUpperCase())
}),
through(function(data, enc, cb) {
t.same(data.toString(), 'HELLO')
cb(null, data.toString().toLowerCase())
}),
through(function(data, enc, cb) {
t.same(data.toString(), 'hello')
cb(null, data.toString().toUpperCase())
})
)
pipeline.write('hello')
pipeline.on('data', function(data) {
t.same(data.toString(), 'HELLO')
t.end()
})
})
tape('destroy', function(t) {
var test = through()
test.destroy = function() {
t.ok(true)
t.end()
}
var pipeline = pumpify(through(), test)
pipeline.destroy()
})
tape('close', function(t) {
var test = through()
var pipeline = pumpify(through(), test)
pipeline.on('error', function(err) {
t.same(err.message, 'lol')
t.end()
})
test.emit('error', new Error('lol'))
})
tape('end waits for last one', function(t) {
var ran = false
var a = through()
var b = through()
var c = through(function(data, enc, cb) {
setTimeout(function() {
ran = true
cb()
}, 100)
})
var pipeline = pumpify(a, b, c)
pipeline.write('foo')
pipeline.end(function() {
t.ok(ran)
t.end()
})
t.ok(!ran)
})
tape('always wait for finish', function(t) {
var a = new stream.Readable()
a._read = function() {}
a.push('hello')
var pipeline = pumpify(a, through(), through())
var ran = false
pipeline.on('finish', function() {
t.ok(ran)
t.end()
})
setTimeout(function() {
ran = true
a.push(null)
}, 100)
})
tape('async', function(t) {
var pipeline = pumpify()
t.plan(4)
pipeline.write('hello')
pipeline.on('data', function(data) {
t.same(data.toString(), 'HELLO')
t.end()
})
setTimeout(function() {
pipeline.setPipeline(
through(function(data, enc, cb) {
t.same(data.toString(), 'hello')
cb(null, data.toString().toUpperCase())
}),
through(function(data, enc, cb) {
t.same(data.toString(), 'HELLO')
cb(null, data.toString().toLowerCase())
}),
through(function(data, enc, cb) {
t.same(data.toString(), 'hello')
cb(null, data.toString().toUpperCase())
})
)
}, 100)
})
tape('early destroy', function(t) {
var a = through()
var b = through()
var c = through()
b.destroy = function() {
t.ok(true)
t.end()
}
var pipeline = pumpify()
pipeline.destroy()
setTimeout(function() {
pipeline.setPipeline(a, b, c)
}, 100)
})
tape('preserves error', function (t) {
var a = through()
var b = through(function (data, enc, cb) {
cb(new Error('stop'))
})
var c = through()
var s = pumpify()
s.on('error', function (err) {
t.same(err.message, 'stop')
t.end()
})
s.setPipeline(a, b, c)
s.resume()
s.write('hi')
})
tape('preserves error again', function (t) {
var ws = new stream.Writable()
var rs = new stream.Readable({highWaterMark: 16})
ws._write = function (data, enc, cb) {
cb(null)
}
var once = true
rs._read = function () {
process.nextTick(function () {
if (!once) return
once = false
rs.push('hello world')
})
}
var pumpifyErr = pumpify(
through(),
through(function(chunk, _, cb) {
cb(new Error('test'))
}),
ws
)
rs.pipe(pumpifyErr)
.on('error', function (err) {
t.ok(err)
t.ok(err.message !== 'premature close', 'does not close with premature close')
t.end()
})
})
tape('returns error from duplexify', function (t) {
var a = through()
var b = duplexify()
var s = pumpify()
s.setPipeline(a, b)
s.on('error', function (err) {
t.same(err.message, 'stop')
t.end()
})
s.write('data')
// Test passes if `.end()` is not called
s.end()
b.setWritable(through())
setImmediate(function () {
b.destroy(new Error('stop'))
})
})
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/compressible/index.js | aws/lti-middleware/node_modules/compressible/index.js | /*!
* compressible
* Copyright(c) 2013 Jonathan Ong
* Copyright(c) 2014 Jeremiah Senkpiel
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var db = require('mime-db')
/**
* Module variables.
* @private
*/
var COMPRESSIBLE_TYPE_REGEXP = /^text\/|\+(?:json|text|xml)$/i
var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
/**
* Module exports.
* @public
*/
module.exports = compressible
/**
* Checks if a type is compressible.
*
* @param {string} type
* @return {Boolean} compressible
* @public
*/
function compressible (type) {
if (!type || typeof type !== 'string') {
return false
}
// strip parameters
var match = EXTRACT_TYPE_REGEXP.exec(type)
var mime = match && match[1].toLowerCase()
var data = db[mime]
// return database information
if (data && data.compressible !== undefined) {
return data.compressible
}
// fallback to regexp or unknown
return COMPRESSIBLE_TYPE_REGEXP.test(mime) || undefined
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/unpipe/index.js | aws/lti-middleware/node_modules/unpipe/index.js | /*!
* unpipe
* Copyright(c) 2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
* @public
*/
module.exports = unpipe
/**
* Determine if there are Node.js pipe-like data listeners.
* @private
*/
function hasPipeDataListeners(stream) {
var listeners = stream.listeners('data')
for (var i = 0; i < listeners.length; i++) {
if (listeners[i].name === 'ondata') {
return true
}
}
return false
}
/**
* Unpipe a stream from all destinations.
*
* @param {object} stream
* @public
*/
function unpipe(stream) {
if (!stream) {
throw new TypeError('argument stream is required')
}
if (typeof stream.unpipe === 'function') {
// new-style
stream.unpipe()
return
}
// Node.js 0.8 hack
if (!hasPipeDataListeners(stream)) {
return
}
var listener
var listeners = stream.listeners('close')
for (var i = 0; i < listeners.length; i++) {
listener = listeners[i]
if (listener.name !== 'cleanup' && listener.name !== 'onclose') {
continue
}
// invoke the listener
listener.call(stream)
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/y18n/build/lib/index.js | aws/lti-middleware/node_modules/y18n/build/lib/index.js | let shim;
class Y18N {
constructor(opts) {
// configurable options.
opts = opts || {};
this.directory = opts.directory || './locales';
this.updateFiles = typeof opts.updateFiles === 'boolean' ? opts.updateFiles : true;
this.locale = opts.locale || 'en';
this.fallbackToLanguage = typeof opts.fallbackToLanguage === 'boolean' ? opts.fallbackToLanguage : true;
// internal stuff.
this.cache = Object.create(null);
this.writeQueue = [];
}
__(...args) {
if (typeof arguments[0] !== 'string') {
return this._taggedLiteral(arguments[0], ...arguments);
}
const str = args.shift();
let cb = function () { }; // start with noop.
if (typeof args[args.length - 1] === 'function')
cb = args.pop();
cb = cb || function () { }; // noop.
if (!this.cache[this.locale])
this._readLocaleFile();
// we've observed a new string, update the language file.
if (!this.cache[this.locale][str] && this.updateFiles) {
this.cache[this.locale][str] = str;
// include the current directory and locale,
// since these values could change before the
// write is performed.
this._enqueueWrite({
directory: this.directory,
locale: this.locale,
cb
});
}
else {
cb();
}
return shim.format.apply(shim.format, [this.cache[this.locale][str] || str].concat(args));
}
__n() {
const args = Array.prototype.slice.call(arguments);
const singular = args.shift();
const plural = args.shift();
const quantity = args.shift();
let cb = function () { }; // start with noop.
if (typeof args[args.length - 1] === 'function')
cb = args.pop();
if (!this.cache[this.locale])
this._readLocaleFile();
let str = quantity === 1 ? singular : plural;
if (this.cache[this.locale][singular]) {
const entry = this.cache[this.locale][singular];
str = entry[quantity === 1 ? 'one' : 'other'];
}
// we've observed a new string, update the language file.
if (!this.cache[this.locale][singular] && this.updateFiles) {
this.cache[this.locale][singular] = {
one: singular,
other: plural
};
// include the current directory and locale,
// since these values could change before the
// write is performed.
this._enqueueWrite({
directory: this.directory,
locale: this.locale,
cb
});
}
else {
cb();
}
// if a %d placeholder is provided, add quantity
// to the arguments expanded by util.format.
const values = [str];
if (~str.indexOf('%d'))
values.push(quantity);
return shim.format.apply(shim.format, values.concat(args));
}
setLocale(locale) {
this.locale = locale;
}
getLocale() {
return this.locale;
}
updateLocale(obj) {
if (!this.cache[this.locale])
this._readLocaleFile();
for (const key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
this.cache[this.locale][key] = obj[key];
}
}
}
_taggedLiteral(parts, ...args) {
let str = '';
parts.forEach(function (part, i) {
const arg = args[i + 1];
str += part;
if (typeof arg !== 'undefined') {
str += '%s';
}
});
return this.__.apply(this, [str].concat([].slice.call(args, 1)));
}
_enqueueWrite(work) {
this.writeQueue.push(work);
if (this.writeQueue.length === 1)
this._processWriteQueue();
}
_processWriteQueue() {
const _this = this;
const work = this.writeQueue[0];
// destructure the enqueued work.
const directory = work.directory;
const locale = work.locale;
const cb = work.cb;
const languageFile = this._resolveLocaleFile(directory, locale);
const serializedLocale = JSON.stringify(this.cache[locale], null, 2);
shim.fs.writeFile(languageFile, serializedLocale, 'utf-8', function (err) {
_this.writeQueue.shift();
if (_this.writeQueue.length > 0)
_this._processWriteQueue();
cb(err);
});
}
_readLocaleFile() {
let localeLookup = {};
const languageFile = this._resolveLocaleFile(this.directory, this.locale);
try {
// When using a bundler such as webpack, readFileSync may not be defined:
if (shim.fs.readFileSync) {
localeLookup = JSON.parse(shim.fs.readFileSync(languageFile, 'utf-8'));
}
}
catch (err) {
if (err instanceof SyntaxError) {
err.message = 'syntax error in ' + languageFile;
}
if (err.code === 'ENOENT')
localeLookup = {};
else
throw err;
}
this.cache[this.locale] = localeLookup;
}
_resolveLocaleFile(directory, locale) {
let file = shim.resolve(directory, './', locale + '.json');
if (this.fallbackToLanguage && !this._fileExistsSync(file) && ~locale.lastIndexOf('_')) {
// attempt fallback to language only
const languageFile = shim.resolve(directory, './', locale.split('_')[0] + '.json');
if (this._fileExistsSync(languageFile))
file = languageFile;
}
return file;
}
_fileExistsSync(file) {
return shim.exists(file);
}
}
export function y18n(opts, _shim) {
shim = _shim;
const y18n = new Y18N(opts);
return {
__: y18n.__.bind(y18n),
__n: y18n.__n.bind(y18n),
setLocale: y18n.setLocale.bind(y18n),
getLocale: y18n.getLocale.bind(y18n),
updateLocale: y18n.updateLocale.bind(y18n),
locale: y18n.locale
};
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/y18n/build/lib/cjs.js | aws/lti-middleware/node_modules/y18n/build/lib/cjs.js | import { y18n as _y18n } from './index.js';
import nodePlatformShim from './platform-shims/node.js';
const y18n = (opts) => {
return _y18n(opts, nodePlatformShim);
};
export default y18n;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/y18n/build/lib/platform-shims/node.js | aws/lti-middleware/node_modules/y18n/build/lib/platform-shims/node.js | import { readFileSync, statSync, writeFile } from 'fs';
import { format } from 'util';
import { resolve } from 'path';
export default {
fs: {
readFileSync,
writeFile
},
format,
resolve,
exists: (file) => {
try {
return statSync(file).isFile();
}
catch (err) {
return false;
}
}
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/wrap-ansi/index.js | aws/lti-middleware/node_modules/wrap-ansi/index.js | 'use strict';
const stringWidth = require('string-width');
const stripAnsi = require('strip-ansi');
const ansiStyles = require('ansi-styles');
const ESCAPES = new Set([
'\u001B',
'\u009B'
]);
const END_CODE = 39;
const ANSI_ESCAPE_BELL = '\u0007';
const ANSI_CSI = '[';
const ANSI_OSC = ']';
const ANSI_SGR_TERMINATOR = 'm';
const ANSI_ESCAPE_LINK = `${ANSI_OSC}8;;`;
const wrapAnsi = code => `${ESCAPES.values().next().value}${ANSI_CSI}${code}${ANSI_SGR_TERMINATOR}`;
const wrapAnsiHyperlink = uri => `${ESCAPES.values().next().value}${ANSI_ESCAPE_LINK}${uri}${ANSI_ESCAPE_BELL}`;
// Calculate the length of words split on ' ', ignoring
// the extra characters added by ansi escape codes
const wordLengths = string => string.split(' ').map(character => stringWidth(character));
// Wrap a long word across multiple rows
// Ansi escape codes do not count towards length
const wrapWord = (rows, word, columns) => {
const characters = [...word];
let isInsideEscape = false;
let isInsideLinkEscape = false;
let visible = stringWidth(stripAnsi(rows[rows.length - 1]));
for (const [index, character] of characters.entries()) {
const characterLength = stringWidth(character);
if (visible + characterLength <= columns) {
rows[rows.length - 1] += character;
} else {
rows.push(character);
visible = 0;
}
if (ESCAPES.has(character)) {
isInsideEscape = true;
isInsideLinkEscape = characters.slice(index + 1).join('').startsWith(ANSI_ESCAPE_LINK);
}
if (isInsideEscape) {
if (isInsideLinkEscape) {
if (character === ANSI_ESCAPE_BELL) {
isInsideEscape = false;
isInsideLinkEscape = false;
}
} else if (character === ANSI_SGR_TERMINATOR) {
isInsideEscape = false;
}
continue;
}
visible += characterLength;
if (visible === columns && index < characters.length - 1) {
rows.push('');
visible = 0;
}
}
// It's possible that the last row we copy over is only
// ansi escape characters, handle this edge-case
if (!visible && rows[rows.length - 1].length > 0 && rows.length > 1) {
rows[rows.length - 2] += rows.pop();
}
};
// Trims spaces from a string ignoring invisible sequences
const stringVisibleTrimSpacesRight = string => {
const words = string.split(' ');
let last = words.length;
while (last > 0) {
if (stringWidth(words[last - 1]) > 0) {
break;
}
last--;
}
if (last === words.length) {
return string;
}
return words.slice(0, last).join(' ') + words.slice(last).join('');
};
// The wrap-ansi module can be invoked in either 'hard' or 'soft' wrap mode
//
// 'hard' will never allow a string to take up more than columns characters
//
// 'soft' allows long words to expand past the column length
const exec = (string, columns, options = {}) => {
if (options.trim !== false && string.trim() === '') {
return '';
}
let returnValue = '';
let escapeCode;
let escapeUrl;
const lengths = wordLengths(string);
let rows = [''];
for (const [index, word] of string.split(' ').entries()) {
if (options.trim !== false) {
rows[rows.length - 1] = rows[rows.length - 1].trimStart();
}
let rowLength = stringWidth(rows[rows.length - 1]);
if (index !== 0) {
if (rowLength >= columns && (options.wordWrap === false || options.trim === false)) {
// If we start with a new word but the current row length equals the length of the columns, add a new row
rows.push('');
rowLength = 0;
}
if (rowLength > 0 || options.trim === false) {
rows[rows.length - 1] += ' ';
rowLength++;
}
}
// In 'hard' wrap mode, the length of a line is never allowed to extend past 'columns'
if (options.hard && lengths[index] > columns) {
const remainingColumns = (columns - rowLength);
const breaksStartingThisLine = 1 + Math.floor((lengths[index] - remainingColumns - 1) / columns);
const breaksStartingNextLine = Math.floor((lengths[index] - 1) / columns);
if (breaksStartingNextLine < breaksStartingThisLine) {
rows.push('');
}
wrapWord(rows, word, columns);
continue;
}
if (rowLength + lengths[index] > columns && rowLength > 0 && lengths[index] > 0) {
if (options.wordWrap === false && rowLength < columns) {
wrapWord(rows, word, columns);
continue;
}
rows.push('');
}
if (rowLength + lengths[index] > columns && options.wordWrap === false) {
wrapWord(rows, word, columns);
continue;
}
rows[rows.length - 1] += word;
}
if (options.trim !== false) {
rows = rows.map(stringVisibleTrimSpacesRight);
}
const pre = [...rows.join('\n')];
for (const [index, character] of pre.entries()) {
returnValue += character;
if (ESCAPES.has(character)) {
const {groups} = new RegExp(`(?:\\${ANSI_CSI}(?<code>\\d+)m|\\${ANSI_ESCAPE_LINK}(?<uri>.*)${ANSI_ESCAPE_BELL})`).exec(pre.slice(index).join('')) || {groups: {}};
if (groups.code !== undefined) {
const code = Number.parseFloat(groups.code);
escapeCode = code === END_CODE ? undefined : code;
} else if (groups.uri !== undefined) {
escapeUrl = groups.uri.length === 0 ? undefined : groups.uri;
}
}
const code = ansiStyles.codes.get(Number(escapeCode));
if (pre[index + 1] === '\n') {
if (escapeUrl) {
returnValue += wrapAnsiHyperlink('');
}
if (escapeCode && code) {
returnValue += wrapAnsi(code);
}
} else if (character === '\n') {
if (escapeCode && code) {
returnValue += wrapAnsi(escapeCode);
}
if (escapeUrl) {
returnValue += wrapAnsiHyperlink(escapeUrl);
}
}
}
return returnValue;
};
// For each newline, invoke the method separately
module.exports = (string, columns, options) => {
return String(string)
.normalize()
.replace(/\r\n/g, '\n')
.split('\n')
.map(line => exec(line, columns, options))
.join('\n');
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/index.js | aws/lti-middleware/node_modules/body-parser/index.js | /*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var deprecate = require('depd')('body-parser')
/**
* Cache of loaded parsers.
* @private
*/
var parsers = Object.create(null)
/**
* @typedef Parsers
* @type {function}
* @property {function} json
* @property {function} raw
* @property {function} text
* @property {function} urlencoded
*/
/**
* Module exports.
* @type {Parsers}
*/
exports = module.exports = deprecate.function(bodyParser,
'bodyParser: use individual json/urlencoded middlewares')
/**
* JSON parser.
* @public
*/
Object.defineProperty(exports, 'json', {
configurable: true,
enumerable: true,
get: createParserGetter('json')
})
/**
* Raw parser.
* @public
*/
Object.defineProperty(exports, 'raw', {
configurable: true,
enumerable: true,
get: createParserGetter('raw')
})
/**
* Text parser.
* @public
*/
Object.defineProperty(exports, 'text', {
configurable: true,
enumerable: true,
get: createParserGetter('text')
})
/**
* URL-encoded parser.
* @public
*/
Object.defineProperty(exports, 'urlencoded', {
configurable: true,
enumerable: true,
get: createParserGetter('urlencoded')
})
/**
* Create a middleware to parse json and urlencoded bodies.
*
* @param {object} [options]
* @return {function}
* @deprecated
* @public
*/
function bodyParser (options) {
var opts = {}
// exclude type option
if (options) {
for (var prop in options) {
if (prop !== 'type') {
opts[prop] = options[prop]
}
}
}
var _urlencoded = exports.urlencoded(opts)
var _json = exports.json(opts)
return function bodyParser (req, res, next) {
_json(req, res, function (err) {
if (err) return next(err)
_urlencoded(req, res, next)
})
}
}
/**
* Create a getter for loading a parser.
* @private
*/
function createParserGetter (name) {
return function get () {
return loadParser(name)
}
}
/**
* Load a parser module.
* @private
*/
function loadParser (parserName) {
var parser = parsers[parserName]
if (parser !== undefined) {
return parser
}
// this uses a switch for static require analysis
switch (parserName) {
case 'json':
parser = require('./lib/types/json')
break
case 'raw':
parser = require('./lib/types/raw')
break
case 'text':
parser = require('./lib/types/text')
break
case 'urlencoded':
parser = require('./lib/types/urlencoded')
break
}
// store to prevent invoking require()
return (parsers[parserName] = parser)
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/lib/read.js | aws/lti-middleware/node_modules/body-parser/lib/read.js | /*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var createError = require('http-errors')
var getBody = require('raw-body')
var iconv = require('iconv-lite')
var onFinished = require('on-finished')
var zlib = require('zlib')
/**
* Module exports.
*/
module.exports = read
/**
* Read a request into a buffer and parse.
*
* @param {object} req
* @param {object} res
* @param {function} next
* @param {function} parse
* @param {function} debug
* @param {object} options
* @private
*/
function read (req, res, next, parse, debug, options) {
var length
var opts = options
var stream
// flag as parsed
req._body = true
// read options
var encoding = opts.encoding !== null
? opts.encoding
: null
var verify = opts.verify
try {
// get the content stream
stream = contentstream(req, debug, opts.inflate)
length = stream.length
stream.length = undefined
} catch (err) {
return next(err)
}
// set raw-body options
opts.length = length
opts.encoding = verify
? null
: encoding
// assert charset is supported
if (opts.encoding === null && encoding !== null && !iconv.encodingExists(encoding)) {
return next(createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
charset: encoding.toLowerCase(),
type: 'charset.unsupported'
}))
}
// read body
debug('read body')
getBody(stream, opts, function (error, body) {
if (error) {
var _error
if (error.type === 'encoding.unsupported') {
// echo back charset
_error = createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
charset: encoding.toLowerCase(),
type: 'charset.unsupported'
})
} else {
// set status code on error
_error = createError(400, error)
}
// read off entire request
stream.resume()
onFinished(req, function onfinished () {
next(createError(400, _error))
})
return
}
// verify
if (verify) {
try {
debug('verify body')
verify(req, res, body, encoding)
} catch (err) {
next(createError(403, err, {
body: body,
type: err.type || 'entity.verify.failed'
}))
return
}
}
// parse
var str = body
try {
debug('parse body')
str = typeof body !== 'string' && encoding !== null
? iconv.decode(body, encoding)
: body
req.body = parse(str)
} catch (err) {
next(createError(400, err, {
body: str,
type: err.type || 'entity.parse.failed'
}))
return
}
next()
})
}
/**
* Get the content stream of the request.
*
* @param {object} req
* @param {function} debug
* @param {boolean} [inflate=true]
* @return {object}
* @api private
*/
function contentstream (req, debug, inflate) {
var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase()
var length = req.headers['content-length']
var stream
debug('content-encoding "%s"', encoding)
if (inflate === false && encoding !== 'identity') {
throw createError(415, 'content encoding unsupported', {
encoding: encoding,
type: 'encoding.unsupported'
})
}
switch (encoding) {
case 'deflate':
stream = zlib.createInflate()
debug('inflate body')
req.pipe(stream)
break
case 'gzip':
stream = zlib.createGunzip()
debug('gunzip body')
req.pipe(stream)
break
case 'identity':
stream = req
stream.length = length
break
default:
throw createError(415, 'unsupported content encoding "' + encoding + '"', {
encoding: encoding,
type: 'encoding.unsupported'
})
}
return stream
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/lib/types/raw.js | aws/lti-middleware/node_modules/body-parser/lib/types/raw.js | /*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
*/
var bytes = require('bytes')
var debug = require('debug')('body-parser:raw')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = raw
/**
* Create a middleware to parse raw bodies.
*
* @param {object} [options]
* @return {function}
* @api public
*/
function raw (options) {
var opts = options || {}
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'application/octet-stream'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (buf) {
return buf
}
return function rawParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// read
read(req, res, next, parse, debug, {
encoding: null,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/lib/types/urlencoded.js | aws/lti-middleware/node_modules/body-parser/lib/types/urlencoded.js | /*!
* body-parser
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var bytes = require('bytes')
var contentType = require('content-type')
var createError = require('http-errors')
var debug = require('debug')('body-parser:urlencoded')
var deprecate = require('depd')('body-parser')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = urlencoded
/**
* Cache of parser modules.
*/
var parsers = Object.create(null)
/**
* Create a middleware to parse urlencoded bodies.
*
* @param {object} [options]
* @return {function}
* @public
*/
function urlencoded (options) {
var opts = options || {}
// notice because option default will flip in next major
if (opts.extended === undefined) {
deprecate('undefined extended: provide extended option')
}
var extended = opts.extended !== false
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'application/x-www-form-urlencoded'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate query parser
var queryparse = extended
? extendedparser(opts)
: simpleparser(opts)
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (body) {
return body.length
? queryparse(body)
: {}
}
return function urlencodedParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// assert charset
var charset = getCharset(req) || 'utf-8'
if (charset !== 'utf-8') {
debug('invalid charset')
next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
charset: charset,
type: 'charset.unsupported'
}))
return
}
// read
read(req, res, next, parse, debug, {
debug: debug,
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Get the extended query parser.
*
* @param {object} options
*/
function extendedparser (options) {
var parameterLimit = options.parameterLimit !== undefined
? options.parameterLimit
: 1000
var parse = parser('qs')
if (isNaN(parameterLimit) || parameterLimit < 1) {
throw new TypeError('option parameterLimit must be a positive number')
}
if (isFinite(parameterLimit)) {
parameterLimit = parameterLimit | 0
}
return function queryparse (body) {
var paramCount = parameterCount(body, parameterLimit)
if (paramCount === undefined) {
debug('too many parameters')
throw createError(413, 'too many parameters', {
type: 'parameters.too.many'
})
}
var arrayLimit = Math.max(100, paramCount)
debug('parse extended urlencoding')
return parse(body, {
allowPrototypes: true,
arrayLimit: arrayLimit,
depth: Infinity,
parameterLimit: parameterLimit
})
}
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Count the number of parameters, stopping once limit reached
*
* @param {string} body
* @param {number} limit
* @api private
*/
function parameterCount (body, limit) {
var count = 0
var index = 0
while ((index = body.indexOf('&', index)) !== -1) {
count++
index++
if (count === limit) {
return undefined
}
}
return count
}
/**
* Get parser for module name dynamically.
*
* @param {string} name
* @return {function}
* @api private
*/
function parser (name) {
var mod = parsers[name]
if (mod !== undefined) {
return mod.parse
}
// this uses a switch for static require analysis
switch (name) {
case 'qs':
mod = require('qs')
break
case 'querystring':
mod = require('querystring')
break
}
// store to prevent invoking require()
parsers[name] = mod
return mod.parse
}
/**
* Get the simple query parser.
*
* @param {object} options
*/
function simpleparser (options) {
var parameterLimit = options.parameterLimit !== undefined
? options.parameterLimit
: 1000
var parse = parser('querystring')
if (isNaN(parameterLimit) || parameterLimit < 1) {
throw new TypeError('option parameterLimit must be a positive number')
}
if (isFinite(parameterLimit)) {
parameterLimit = parameterLimit | 0
}
return function queryparse (body) {
var paramCount = parameterCount(body, parameterLimit)
if (paramCount === undefined) {
debug('too many parameters')
throw createError(413, 'too many parameters', {
type: 'parameters.too.many'
})
}
debug('parse urlencoding')
return parse(body, undefined, undefined, { maxKeys: parameterLimit })
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/lib/types/json.js | aws/lti-middleware/node_modules/body-parser/lib/types/json.js | /*!
* body-parser
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var bytes = require('bytes')
var contentType = require('content-type')
var createError = require('http-errors')
var debug = require('debug')('body-parser:json')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = json
/**
* RegExp to match the first non-space in a string.
*
* Allowed whitespace is defined in RFC 7159:
*
* ws = *(
* %x20 / ; Space
* %x09 / ; Horizontal tab
* %x0A / ; Line feed or New line
* %x0D ) ; Carriage return
*/
var FIRST_CHAR_REGEXP = /^[\x20\x09\x0a\x0d]*(.)/ // eslint-disable-line no-control-regex
/**
* Create a middleware to parse JSON bodies.
*
* @param {object} [options]
* @return {function}
* @public
*/
function json (options) {
var opts = options || {}
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var inflate = opts.inflate !== false
var reviver = opts.reviver
var strict = opts.strict !== false
var type = opts.type || 'application/json'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (body) {
if (body.length === 0) {
// special-case empty json body, as it's a common client-side mistake
// TODO: maybe make this configurable or part of "strict" option
return {}
}
if (strict) {
var first = firstchar(body)
if (first !== '{' && first !== '[') {
debug('strict violation')
throw createStrictSyntaxError(body, first)
}
}
try {
debug('parse json')
return JSON.parse(body, reviver)
} catch (e) {
throw normalizeJsonSyntaxError(e, {
message: e.message,
stack: e.stack
})
}
}
return function jsonParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// assert charset per RFC 7159 sec 8.1
var charset = getCharset(req) || 'utf-8'
if (charset.substr(0, 4) !== 'utf-') {
debug('invalid charset')
next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
charset: charset,
type: 'charset.unsupported'
}))
return
}
// read
read(req, res, next, parse, debug, {
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Create strict violation syntax error matching native error.
*
* @param {string} str
* @param {string} char
* @return {Error}
* @private
*/
function createStrictSyntaxError (str, char) {
var index = str.indexOf(char)
var partial = str.substring(0, index) + '#'
try {
JSON.parse(partial); /* istanbul ignore next */ throw new SyntaxError('strict violation')
} catch (e) {
return normalizeJsonSyntaxError(e, {
message: e.message.replace('#', char),
stack: e.stack
})
}
}
/**
* Get the first non-whitespace character in a string.
*
* @param {string} str
* @return {function}
* @private
*/
function firstchar (str) {
return FIRST_CHAR_REGEXP.exec(str)[1]
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Normalize a SyntaxError for JSON.parse.
*
* @param {SyntaxError} error
* @param {object} obj
* @return {SyntaxError}
*/
function normalizeJsonSyntaxError (error, obj) {
var keys = Object.getOwnPropertyNames(error)
for (var i = 0; i < keys.length; i++) {
var key = keys[i]
if (key !== 'stack' && key !== 'message') {
delete error[key]
}
}
// replace stack before message for Node.js 0.10 and below
error.stack = obj.stack.replace(error.message, obj.message)
error.message = obj.message
return error
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/body-parser/lib/types/text.js | aws/lti-middleware/node_modules/body-parser/lib/types/text.js | /*!
* body-parser
* Copyright(c) 2014-2015 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
*/
var bytes = require('bytes')
var contentType = require('content-type')
var debug = require('debug')('body-parser:text')
var read = require('../read')
var typeis = require('type-is')
/**
* Module exports.
*/
module.exports = text
/**
* Create a middleware to parse text bodies.
*
* @param {object} [options]
* @return {function}
* @api public
*/
function text (options) {
var opts = options || {}
var defaultCharset = opts.defaultCharset || 'utf-8'
var inflate = opts.inflate !== false
var limit = typeof opts.limit !== 'number'
? bytes.parse(opts.limit || '100kb')
: opts.limit
var type = opts.type || 'text/plain'
var verify = opts.verify || false
if (verify !== false && typeof verify !== 'function') {
throw new TypeError('option verify must be function')
}
// create the appropriate type checking function
var shouldParse = typeof type !== 'function'
? typeChecker(type)
: type
function parse (buf) {
return buf
}
return function textParser (req, res, next) {
if (req._body) {
debug('body already parsed')
next()
return
}
req.body = req.body || {}
// skip requests without bodies
if (!typeis.hasBody(req)) {
debug('skip empty body')
next()
return
}
debug('content-type %j', req.headers['content-type'])
// determine if request should be parsed
if (!shouldParse(req)) {
debug('skip parsing')
next()
return
}
// get charset
var charset = getCharset(req) || defaultCharset
// read
read(req, res, next, parse, debug, {
encoding: charset,
inflate: inflate,
limit: limit,
verify: verify
})
}
}
/**
* Get the charset of a request.
*
* @param {object} req
* @api private
*/
function getCharset (req) {
try {
return (contentType.parse(req).parameters.charset || '').toLowerCase()
} catch (e) {
return undefined
}
}
/**
* Get the simple type checker.
*
* @param {string} type
* @return {function}
*/
function typeChecker (type) {
return function checkType (req) {
return Boolean(typeis(req, type))
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/methods/index.js | aws/lti-middleware/node_modules/methods/index.js | /*!
* methods
* Copyright(c) 2013-2014 TJ Holowaychuk
* Copyright(c) 2015-2016 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict';
/**
* Module dependencies.
* @private
*/
var http = require('http');
/**
* Module exports.
* @public
*/
module.exports = getCurrentNodeMethods() || getBasicNodeMethods();
/**
* Get the current Node.js methods.
* @private
*/
function getCurrentNodeMethods() {
return http.METHODS && http.METHODS.map(function lowerCaseMethod(method) {
return method.toLowerCase();
});
}
/**
* Get the "basic" Node.js methods, a snapshot from Node.js 0.10.
* @private
*/
function getBasicNodeMethods() {
return [
'get',
'post',
'put',
'head',
'delete',
'options',
'trace',
'copy',
'lock',
'mkcol',
'move',
'purge',
'propfind',
'proppatch',
'unlock',
'report',
'mkactivity',
'checkout',
'merge',
'm-search',
'notify',
'subscribe',
'unsubscribe',
'patch',
'search',
'connect'
];
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.js | aws/lti-middleware/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.js | 'use strict';
var Buffer = require('safe-buffer').Buffer;
var getParamBytesForAlg = require('./param-bytes-for-alg');
var MAX_OCTET = 0x80,
CLASS_UNIVERSAL = 0,
PRIMITIVE_BIT = 0x20,
TAG_SEQ = 0x10,
TAG_INT = 0x02,
ENCODED_TAG_SEQ = (TAG_SEQ | PRIMITIVE_BIT) | (CLASS_UNIVERSAL << 6),
ENCODED_TAG_INT = TAG_INT | (CLASS_UNIVERSAL << 6);
function base64Url(base64) {
return base64
.replace(/=/g, '')
.replace(/\+/g, '-')
.replace(/\//g, '_');
}
function signatureAsBuffer(signature) {
if (Buffer.isBuffer(signature)) {
return signature;
} else if ('string' === typeof signature) {
return Buffer.from(signature, 'base64');
}
throw new TypeError('ECDSA signature must be a Base64 string or a Buffer');
}
function derToJose(signature, alg) {
signature = signatureAsBuffer(signature);
var paramBytes = getParamBytesForAlg(alg);
// the DER encoded param should at most be the param size, plus a padding
// zero, since due to being a signed integer
var maxEncodedParamLength = paramBytes + 1;
var inputLength = signature.length;
var offset = 0;
if (signature[offset++] !== ENCODED_TAG_SEQ) {
throw new Error('Could not find expected "seq"');
}
var seqLength = signature[offset++];
if (seqLength === (MAX_OCTET | 1)) {
seqLength = signature[offset++];
}
if (inputLength - offset < seqLength) {
throw new Error('"seq" specified length of "' + seqLength + '", only "' + (inputLength - offset) + '" remaining');
}
if (signature[offset++] !== ENCODED_TAG_INT) {
throw new Error('Could not find expected "int" for "r"');
}
var rLength = signature[offset++];
if (inputLength - offset - 2 < rLength) {
throw new Error('"r" specified length of "' + rLength + '", only "' + (inputLength - offset - 2) + '" available');
}
if (maxEncodedParamLength < rLength) {
throw new Error('"r" specified length of "' + rLength + '", max of "' + maxEncodedParamLength + '" is acceptable');
}
var rOffset = offset;
offset += rLength;
if (signature[offset++] !== ENCODED_TAG_INT) {
throw new Error('Could not find expected "int" for "s"');
}
var sLength = signature[offset++];
if (inputLength - offset !== sLength) {
throw new Error('"s" specified length of "' + sLength + '", expected "' + (inputLength - offset) + '"');
}
if (maxEncodedParamLength < sLength) {
throw new Error('"s" specified length of "' + sLength + '", max of "' + maxEncodedParamLength + '" is acceptable');
}
var sOffset = offset;
offset += sLength;
if (offset !== inputLength) {
throw new Error('Expected to consume entire buffer, but "' + (inputLength - offset) + '" bytes remain');
}
var rPadding = paramBytes - rLength,
sPadding = paramBytes - sLength;
var dst = Buffer.allocUnsafe(rPadding + rLength + sPadding + sLength);
for (offset = 0; offset < rPadding; ++offset) {
dst[offset] = 0;
}
signature.copy(dst, offset, rOffset + Math.max(-rPadding, 0), rOffset + rLength);
offset = paramBytes;
for (var o = offset; offset < o + sPadding; ++offset) {
dst[offset] = 0;
}
signature.copy(dst, offset, sOffset + Math.max(-sPadding, 0), sOffset + sLength);
dst = dst.toString('base64');
dst = base64Url(dst);
return dst;
}
function countPadding(buf, start, stop) {
var padding = 0;
while (start + padding < stop && buf[start + padding] === 0) {
++padding;
}
var needsSign = buf[start + padding] >= MAX_OCTET;
if (needsSign) {
--padding;
}
return padding;
}
function joseToDer(signature, alg) {
signature = signatureAsBuffer(signature);
var paramBytes = getParamBytesForAlg(alg);
var signatureBytes = signature.length;
if (signatureBytes !== paramBytes * 2) {
throw new TypeError('"' + alg + '" signatures must be "' + paramBytes * 2 + '" bytes, saw "' + signatureBytes + '"');
}
var rPadding = countPadding(signature, 0, paramBytes);
var sPadding = countPadding(signature, paramBytes, signature.length);
var rLength = paramBytes - rPadding;
var sLength = paramBytes - sPadding;
var rsBytes = 1 + 1 + rLength + 1 + 1 + sLength;
var shortLength = rsBytes < MAX_OCTET;
var dst = Buffer.allocUnsafe((shortLength ? 2 : 3) + rsBytes);
var offset = 0;
dst[offset++] = ENCODED_TAG_SEQ;
if (shortLength) {
// Bit 8 has value "0"
// bits 7-1 give the length.
dst[offset++] = rsBytes;
} else {
// Bit 8 of first octet has value "1"
// bits 7-1 give the number of additional length octets.
dst[offset++] = MAX_OCTET | 1;
// length, base 256
dst[offset++] = rsBytes & 0xff;
}
dst[offset++] = ENCODED_TAG_INT;
dst[offset++] = rLength;
if (rPadding < 0) {
dst[offset++] = 0;
offset += signature.copy(dst, offset, 0, paramBytes);
} else {
offset += signature.copy(dst, offset, rPadding, paramBytes);
}
dst[offset++] = ENCODED_TAG_INT;
dst[offset++] = sLength;
if (sPadding < 0) {
dst[offset++] = 0;
signature.copy(dst, offset, paramBytes);
} else {
signature.copy(dst, offset, paramBytes + sPadding);
}
return dst;
}
module.exports = {
derToJose: derToJose,
joseToDer: joseToDer
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/ecdsa-sig-formatter/src/param-bytes-for-alg.js | aws/lti-middleware/node_modules/ecdsa-sig-formatter/src/param-bytes-for-alg.js | 'use strict';
function getParamSize(keySize) {
var result = ((keySize / 8) | 0) + (keySize % 8 === 0 ? 0 : 1);
return result;
}
var paramBytesForAlg = {
ES256: getParamSize(256),
ES384: getParamSize(384),
ES512: getParamSize(521)
};
function getParamBytesForAlg(alg) {
var paramBytes = paramBytesForAlg[alg];
if (paramBytes) {
return paramBytes;
}
throw new Error('Unknown algorithm "' + alg + '"');
}
module.exports = getParamBytesForAlg;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/forwarded/index.js | aws/lti-middleware/node_modules/forwarded/index.js | /*!
* forwarded
* Copyright(c) 2014-2017 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
* @public
*/
module.exports = forwarded
/**
* Get all addresses in the request, using the `X-Forwarded-For` header.
*
* @param {object} req
* @return {array}
* @public
*/
function forwarded (req) {
if (!req) {
throw new TypeError('argument req is required')
}
// simple header parsing
var proxyAddrs = parse(req.headers['x-forwarded-for'] || '')
var socketAddr = getSocketAddr(req)
var addrs = [socketAddr].concat(proxyAddrs)
// return all addresses
return addrs
}
/**
* Get the socket address for a request.
*
* @param {object} req
* @return {string}
* @private
*/
function getSocketAddr (req) {
return req.socket
? req.socket.remoteAddress
: req.connection.remoteAddress
}
/**
* Parse the X-Forwarded-For header.
*
* @param {string} header
* @private
*/
function parse (header) {
var end = header.length
var list = []
var start = header.length
// gather addresses, backwards
for (var i = header.length - 1; i >= 0; i--) {
switch (header.charCodeAt(i)) {
case 0x20: /* */
if (start === end) {
start = end = i
}
break
case 0x2c: /* , */
if (start !== end) {
list.push(header.substring(start, end))
}
start = end = i
break
default:
start = i
break
}
}
// final address
if (start !== end) {
list.push(header.substring(start, end))
}
return list
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/mime-db/index.js | aws/lti-middleware/node_modules/mime-db/index.js | /*!
* mime-db
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2015-2022 Douglas Christopher Wilson
* MIT Licensed
*/
/**
* Module exports.
*/
module.exports = require('./db.json')
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/pump/test-node.js | aws/lti-middleware/node_modules/pump/test-node.js | var pump = require('./index')
var rs = require('fs').createReadStream('/dev/random')
var ws = require('fs').createWriteStream('/dev/null')
var toHex = function () {
var reverse = new (require('stream').Transform)()
reverse._transform = function (chunk, enc, callback) {
reverse.push(chunk.toString('hex'))
callback()
}
return reverse
}
var wsClosed = false
var rsClosed = false
var callbackCalled = false
var check = function () {
if (wsClosed && rsClosed && callbackCalled) {
console.log('test-node.js passes')
clearTimeout(timeout)
}
}
ws.on('close', function () {
wsClosed = true
check()
})
rs.on('close', function () {
rsClosed = true
check()
})
var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
callbackCalled = true
check()
})
if (res !== ws) {
throw new Error('should return last stream')
}
setTimeout(function () {
rs.destroy()
}, 1000)
var timeout = setTimeout(function () {
throw new Error('timeout')
}, 5000)
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/pump/test-browser.js | aws/lti-middleware/node_modules/pump/test-browser.js | var stream = require('stream')
var pump = require('./index')
var rs = new stream.Readable()
var ws = new stream.Writable()
rs._read = function (size) {
this.push(Buffer(size).fill('abc'))
}
ws._write = function (chunk, encoding, cb) {
setTimeout(function () {
cb()
}, 100)
}
var toHex = function () {
var reverse = new (require('stream').Transform)()
reverse._transform = function (chunk, enc, callback) {
reverse.push(chunk.toString('hex'))
callback()
}
return reverse
}
var wsClosed = false
var rsClosed = false
var callbackCalled = false
var check = function () {
if (wsClosed && rsClosed && callbackCalled) {
console.log('test-browser.js passes')
clearTimeout(timeout)
}
}
ws.on('finish', function () {
wsClosed = true
check()
})
rs.on('end', function () {
rsClosed = true
check()
})
var res = pump(rs, toHex(), toHex(), toHex(), ws, function () {
callbackCalled = true
check()
})
if (res !== ws) {
throw new Error('should return last stream')
}
setTimeout(function () {
rs.push(null)
rs.emit('close')
}, 1000)
var timeout = setTimeout(function () {
check()
throw new Error('timeout')
}, 5000)
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/pump/index.js | aws/lti-middleware/node_modules/pump/index.js | var once = require('once')
var eos = require('end-of-stream')
var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes
var noop = function () {}
var ancient = /^v?\.0/.test(process.version)
var isFn = function (fn) {
return typeof fn === 'function'
}
var isFS = function (stream) {
if (!ancient) return false // newer node version do not need to care about fs is a special way
if (!fs) return false // browser
return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close)
}
var isRequest = function (stream) {
return stream.setHeader && isFn(stream.abort)
}
var destroyer = function (stream, reading, writing, callback) {
callback = once(callback)
var closed = false
stream.on('close', function () {
closed = true
})
eos(stream, {readable: reading, writable: writing}, function (err) {
if (err) return callback(err)
closed = true
callback()
})
var destroyed = false
return function (err) {
if (closed) return
if (destroyed) return
destroyed = true
if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks
if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want
if (isFn(stream.destroy)) return stream.destroy()
callback(err || new Error('stream was destroyed'))
}
}
var call = function (fn) {
fn()
}
var pipe = function (from, to) {
return from.pipe(to)
}
var pump = function () {
var streams = Array.prototype.slice.call(arguments)
var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop
if (Array.isArray(streams[0])) streams = streams[0]
if (streams.length < 2) throw new Error('pump requires two streams per minimum')
var error
var destroys = streams.map(function (stream, i) {
var reading = i < streams.length - 1
var writing = i > 0
return destroyer(stream, reading, writing, function (err) {
if (!error) error = err
if (err) destroys.forEach(call)
if (reading) return
destroys.forEach(call)
callback(error)
})
})
return streams.reduce(pipe)
}
module.exports = pump
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/lru-cache/index.js | aws/lti-middleware/node_modules/lru-cache/index.js | 'use strict'
// A linked list to keep track of recently-used-ness
const Yallist = require('yallist')
const MAX = Symbol('max')
const LENGTH = Symbol('length')
const LENGTH_CALCULATOR = Symbol('lengthCalculator')
const ALLOW_STALE = Symbol('allowStale')
const MAX_AGE = Symbol('maxAge')
const DISPOSE = Symbol('dispose')
const NO_DISPOSE_ON_SET = Symbol('noDisposeOnSet')
const LRU_LIST = Symbol('lruList')
const CACHE = Symbol('cache')
const UPDATE_AGE_ON_GET = Symbol('updateAgeOnGet')
const naiveLength = () => 1
// lruList is a yallist where the head is the youngest
// item, and the tail is the oldest. the list contains the Hit
// objects as the entries.
// Each Hit object has a reference to its Yallist.Node. This
// never changes.
//
// cache is a Map (or PseudoMap) that matches the keys to
// the Yallist.Node object.
class LRUCache {
constructor (options) {
if (typeof options === 'number')
options = { max: options }
if (!options)
options = {}
if (options.max && (typeof options.max !== 'number' || options.max < 0))
throw new TypeError('max must be a non-negative number')
// Kind of weird to have a default max of Infinity, but oh well.
const max = this[MAX] = options.max || Infinity
const lc = options.length || naiveLength
this[LENGTH_CALCULATOR] = (typeof lc !== 'function') ? naiveLength : lc
this[ALLOW_STALE] = options.stale || false
if (options.maxAge && typeof options.maxAge !== 'number')
throw new TypeError('maxAge must be a number')
this[MAX_AGE] = options.maxAge || 0
this[DISPOSE] = options.dispose
this[NO_DISPOSE_ON_SET] = options.noDisposeOnSet || false
this[UPDATE_AGE_ON_GET] = options.updateAgeOnGet || false
this.reset()
}
// resize the cache when the max changes.
set max (mL) {
if (typeof mL !== 'number' || mL < 0)
throw new TypeError('max must be a non-negative number')
this[MAX] = mL || Infinity
trim(this)
}
get max () {
return this[MAX]
}
set allowStale (allowStale) {
this[ALLOW_STALE] = !!allowStale
}
get allowStale () {
return this[ALLOW_STALE]
}
set maxAge (mA) {
if (typeof mA !== 'number')
throw new TypeError('maxAge must be a non-negative number')
this[MAX_AGE] = mA
trim(this)
}
get maxAge () {
return this[MAX_AGE]
}
// resize the cache when the lengthCalculator changes.
set lengthCalculator (lC) {
if (typeof lC !== 'function')
lC = naiveLength
if (lC !== this[LENGTH_CALCULATOR]) {
this[LENGTH_CALCULATOR] = lC
this[LENGTH] = 0
this[LRU_LIST].forEach(hit => {
hit.length = this[LENGTH_CALCULATOR](hit.value, hit.key)
this[LENGTH] += hit.length
})
}
trim(this)
}
get lengthCalculator () { return this[LENGTH_CALCULATOR] }
get length () { return this[LENGTH] }
get itemCount () { return this[LRU_LIST].length }
rforEach (fn, thisp) {
thisp = thisp || this
for (let walker = this[LRU_LIST].tail; walker !== null;) {
const prev = walker.prev
forEachStep(this, fn, walker, thisp)
walker = prev
}
}
forEach (fn, thisp) {
thisp = thisp || this
for (let walker = this[LRU_LIST].head; walker !== null;) {
const next = walker.next
forEachStep(this, fn, walker, thisp)
walker = next
}
}
keys () {
return this[LRU_LIST].toArray().map(k => k.key)
}
values () {
return this[LRU_LIST].toArray().map(k => k.value)
}
reset () {
if (this[DISPOSE] &&
this[LRU_LIST] &&
this[LRU_LIST].length) {
this[LRU_LIST].forEach(hit => this[DISPOSE](hit.key, hit.value))
}
this[CACHE] = new Map() // hash of items by key
this[LRU_LIST] = new Yallist() // list of items in order of use recency
this[LENGTH] = 0 // length of items in the list
}
dump () {
return this[LRU_LIST].map(hit =>
isStale(this, hit) ? false : {
k: hit.key,
v: hit.value,
e: hit.now + (hit.maxAge || 0)
}).toArray().filter(h => h)
}
dumpLru () {
return this[LRU_LIST]
}
set (key, value, maxAge) {
maxAge = maxAge || this[MAX_AGE]
if (maxAge && typeof maxAge !== 'number')
throw new TypeError('maxAge must be a number')
const now = maxAge ? Date.now() : 0
const len = this[LENGTH_CALCULATOR](value, key)
if (this[CACHE].has(key)) {
if (len > this[MAX]) {
del(this, this[CACHE].get(key))
return false
}
const node = this[CACHE].get(key)
const item = node.value
// dispose of the old one before overwriting
// split out into 2 ifs for better coverage tracking
if (this[DISPOSE]) {
if (!this[NO_DISPOSE_ON_SET])
this[DISPOSE](key, item.value)
}
item.now = now
item.maxAge = maxAge
item.value = value
this[LENGTH] += len - item.length
item.length = len
this.get(key)
trim(this)
return true
}
const hit = new Entry(key, value, len, now, maxAge)
// oversized objects fall out of cache automatically.
if (hit.length > this[MAX]) {
if (this[DISPOSE])
this[DISPOSE](key, value)
return false
}
this[LENGTH] += hit.length
this[LRU_LIST].unshift(hit)
this[CACHE].set(key, this[LRU_LIST].head)
trim(this)
return true
}
has (key) {
if (!this[CACHE].has(key)) return false
const hit = this[CACHE].get(key).value
return !isStale(this, hit)
}
get (key) {
return get(this, key, true)
}
peek (key) {
return get(this, key, false)
}
pop () {
const node = this[LRU_LIST].tail
if (!node)
return null
del(this, node)
return node.value
}
del (key) {
del(this, this[CACHE].get(key))
}
load (arr) {
// reset the cache
this.reset()
const now = Date.now()
// A previous serialized cache has the most recent items first
for (let l = arr.length - 1; l >= 0; l--) {
const hit = arr[l]
const expiresAt = hit.e || 0
if (expiresAt === 0)
// the item was created without expiration in a non aged cache
this.set(hit.k, hit.v)
else {
const maxAge = expiresAt - now
// dont add already expired items
if (maxAge > 0) {
this.set(hit.k, hit.v, maxAge)
}
}
}
}
prune () {
this[CACHE].forEach((value, key) => get(this, key, false))
}
}
const get = (self, key, doUse) => {
const node = self[CACHE].get(key)
if (node) {
const hit = node.value
if (isStale(self, hit)) {
del(self, node)
if (!self[ALLOW_STALE])
return undefined
} else {
if (doUse) {
if (self[UPDATE_AGE_ON_GET])
node.value.now = Date.now()
self[LRU_LIST].unshiftNode(node)
}
}
return hit.value
}
}
const isStale = (self, hit) => {
if (!hit || (!hit.maxAge && !self[MAX_AGE]))
return false
const diff = Date.now() - hit.now
return hit.maxAge ? diff > hit.maxAge
: self[MAX_AGE] && (diff > self[MAX_AGE])
}
const trim = self => {
if (self[LENGTH] > self[MAX]) {
for (let walker = self[LRU_LIST].tail;
self[LENGTH] > self[MAX] && walker !== null;) {
// We know that we're about to delete this one, and also
// what the next least recently used key will be, so just
// go ahead and set it now.
const prev = walker.prev
del(self, walker)
walker = prev
}
}
}
const del = (self, node) => {
if (node) {
const hit = node.value
if (self[DISPOSE])
self[DISPOSE](hit.key, hit.value)
self[LENGTH] -= hit.length
self[CACHE].delete(hit.key)
self[LRU_LIST].removeNode(node)
}
}
class Entry {
constructor (key, value, length, now, maxAge) {
this.key = key
this.value = value
this.length = length
this.now = now
this.maxAge = maxAge || 0
}
}
const forEachStep = (self, fn, node, thisp) => {
let hit = node.value
if (isStale(self, hit)) {
del(self, node)
if (!self[ALLOW_STALE])
hit = undefined
}
if (hit)
fn.call(thisp, hit.value, hit.key, self)
}
module.exports = LRUCache
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/escalade/dist/index.js | aws/lti-middleware/node_modules/escalade/dist/index.js | const { dirname, resolve } = require('path');
const { readdir, stat } = require('fs');
const { promisify } = require('util');
const toStats = promisify(stat);
const toRead = promisify(readdir);
module.exports = async function (start, callback) {
let dir = resolve('.', start);
let tmp, stats = await toStats(dir);
if (!stats.isDirectory()) {
dir = dirname(dir);
}
while (true) {
tmp = await callback(dir, await toRead(dir));
if (tmp) return resolve(dir, tmp);
dir = dirname(tmp = dir);
if (tmp === dir) break;
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/escalade/sync/index.js | aws/lti-middleware/node_modules/escalade/sync/index.js | const { dirname, resolve } = require('path');
const { readdirSync, statSync } = require('fs');
module.exports = function (start, callback) {
let dir = resolve('.', start);
let tmp, stats = statSync(dir);
if (!stats.isDirectory()) {
dir = dirname(dir);
}
while (true) {
tmp = callback(dir, readdirSync(dir));
if (tmp) return resolve(dir, tmp);
dir = dirname(tmp = dir);
if (tmp === dir) break;
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/leveldown/iterator.js | aws/lti-middleware/node_modules/leveldown/iterator.js | 'use strict'
const util = require('util')
const AbstractIterator = require('abstract-leveldown').AbstractIterator
const binding = require('./binding')
function Iterator (db, options) {
AbstractIterator.call(this, db)
this.context = binding.iterator_init(db.context, options)
this.cache = null
this.finished = false
}
util.inherits(Iterator, AbstractIterator)
Iterator.prototype._seek = function (target) {
if (target.length === 0) {
throw new Error('cannot seek() to an empty target')
}
this.cache = null
binding.iterator_seek(this.context, target)
this.finished = false
}
Iterator.prototype._next = function (callback) {
if (this.cache && this.cache.length) {
process.nextTick(callback, null, this.cache.pop(), this.cache.pop())
} else if (this.finished) {
process.nextTick(callback)
} else {
binding.iterator_next(this.context, (err, array, finished) => {
if (err) return callback(err)
this.cache = array
this.finished = finished
this._next(callback)
})
}
return this
}
Iterator.prototype._end = function (callback) {
delete this.cache
binding.iterator_end(this.context, callback)
}
module.exports = Iterator
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/leveldown/leveldown.js | aws/lti-middleware/node_modules/leveldown/leveldown.js | 'use strict'
const util = require('util')
const AbstractLevelDOWN = require('abstract-leveldown').AbstractLevelDOWN
const binding = require('./binding')
const ChainedBatch = require('./chained-batch')
const Iterator = require('./iterator')
function LevelDOWN (location) {
if (!(this instanceof LevelDOWN)) {
return new LevelDOWN(location)
}
if (typeof location !== 'string') {
throw new Error('constructor requires a location string argument')
}
AbstractLevelDOWN.call(this, {
bufferKeys: true,
snapshots: true,
permanence: true,
seek: true,
clear: true,
getMany: true,
createIfMissing: true,
errorIfExists: true,
additionalMethods: {
approximateSize: true,
compactRange: true
}
})
this.location = location
this.context = binding.db_init()
}
util.inherits(LevelDOWN, AbstractLevelDOWN)
LevelDOWN.prototype._open = function (options, callback) {
binding.db_open(this.context, this.location, options, callback)
}
LevelDOWN.prototype._close = function (callback) {
binding.db_close(this.context, callback)
}
LevelDOWN.prototype._serializeKey = function (key) {
return Buffer.isBuffer(key) ? key : String(key)
}
LevelDOWN.prototype._serializeValue = function (value) {
return Buffer.isBuffer(value) ? value : String(value)
}
LevelDOWN.prototype._put = function (key, value, options, callback) {
binding.db_put(this.context, key, value, options, callback)
}
LevelDOWN.prototype._get = function (key, options, callback) {
binding.db_get(this.context, key, options, callback)
}
LevelDOWN.prototype._getMany = function (keys, options, callback) {
binding.db_get_many(this.context, keys, options, callback)
}
LevelDOWN.prototype._del = function (key, options, callback) {
binding.db_del(this.context, key, options, callback)
}
LevelDOWN.prototype._clear = function (options, callback) {
binding.db_clear(this.context, options, callback)
}
LevelDOWN.prototype._chainedBatch = function () {
return new ChainedBatch(this)
}
LevelDOWN.prototype._batch = function (operations, options, callback) {
binding.batch_do(this.context, operations, options, callback)
}
LevelDOWN.prototype.approximateSize = function (start, end, callback) {
if (start == null ||
end == null ||
typeof start === 'function' ||
typeof end === 'function') {
throw new Error('approximateSize() requires valid `start` and `end` arguments')
}
if (typeof callback !== 'function') {
throw new Error('approximateSize() requires a callback argument')
}
start = this._serializeKey(start)
end = this._serializeKey(end)
binding.db_approximate_size(this.context, start, end, callback)
}
LevelDOWN.prototype.compactRange = function (start, end, callback) {
if (start == null ||
end == null ||
typeof start === 'function' ||
typeof end === 'function') {
throw new Error('compactRange() requires valid `start` and `end` arguments')
}
if (typeof callback !== 'function') {
throw new Error('compactRange() requires a callback argument')
}
start = this._serializeKey(start)
end = this._serializeKey(end)
binding.db_compact_range(this.context, start, end, callback)
}
LevelDOWN.prototype.getProperty = function (property) {
if (typeof property !== 'string') {
throw new Error('getProperty() requires a valid `property` argument')
}
return binding.db_get_property(this.context, property)
}
LevelDOWN.prototype._iterator = function (options) {
if (this.status !== 'open') {
// Prevent segfault
throw new Error('cannot call iterator() before open()')
}
return new Iterator(this, options)
}
LevelDOWN.destroy = function (location, callback) {
if (arguments.length < 2) {
throw new Error('destroy() requires `location` and `callback` arguments')
}
if (typeof location !== 'string') {
throw new Error('destroy() requires a location string argument')
}
if (typeof callback !== 'function') {
throw new Error('destroy() requires a callback function argument')
}
binding.destroy_db(location, callback)
}
LevelDOWN.repair = function (location, callback) {
if (arguments.length < 2) {
throw new Error('repair() requires `location` and `callback` arguments')
}
if (typeof location !== 'string') {
throw new Error('repair() requires a location string argument')
}
if (typeof callback !== 'function') {
throw new Error('repair() requires a callback function argument')
}
binding.repair_db(location, callback)
}
module.exports = LevelDOWN
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/leveldown/chained-batch.js | aws/lti-middleware/node_modules/leveldown/chained-batch.js | 'use strict'
const util = require('util')
const AbstractChainedBatch = require('abstract-leveldown').AbstractChainedBatch
const binding = require('./binding')
function ChainedBatch (db) {
AbstractChainedBatch.call(this, db)
this.context = binding.batch_init(db.context)
}
ChainedBatch.prototype._put = function (key, value) {
binding.batch_put(this.context, key, value)
}
ChainedBatch.prototype._del = function (key) {
binding.batch_del(this.context, key)
}
ChainedBatch.prototype._clear = function () {
binding.batch_clear(this.context)
}
ChainedBatch.prototype._write = function (options, callback) {
binding.batch_write(this.context, options, callback)
}
util.inherits(ChainedBatch, AbstractChainedBatch)
module.exports = ChainedBatch
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/leveldown/binding.js | aws/lti-middleware/node_modules/leveldown/binding.js | module.exports = require('node-gyp-build')(__dirname)
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/fast-deep-equal/index.js | aws/lti-middleware/node_modules/fast-deep-equal/index.js | 'use strict';
// do not edit .js files directly - edit src/index.jst
module.exports = function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
var length, i, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
var key = keys[i];
if (!equal(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a!==a && b!==b;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/fast-deep-equal/react.js | aws/lti-middleware/node_modules/fast-deep-equal/react.js | 'use strict';
// do not edit .js files directly - edit src/index.jst
module.exports = function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
var length, i, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
var key = keys[i];
if (key === '_owner' && a.$$typeof) {
// React-specific: avoid traversing React elements' _owner.
// _owner contains circular references
// and is not needed when comparing the actual elements (and not their owners)
continue;
}
if (!equal(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a!==a && b!==b;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/fast-deep-equal/es6/index.js | aws/lti-middleware/node_modules/fast-deep-equal/es6/index.js | 'use strict';
// do not edit .js files directly - edit src/index.jst
var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
module.exports = function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
var length, i, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if ((a instanceof Map) && (b instanceof Map)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
for (i of a.entries())
if (!equal(i[1], b.get(i[0]))) return false;
return true;
}
if ((a instanceof Set) && (b instanceof Set)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
return true;
}
if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (a[i] !== b[i]) return false;
return true;
}
if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
var key = keys[i];
if (!equal(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a!==a && b!==b;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/fast-deep-equal/es6/react.js | aws/lti-middleware/node_modules/fast-deep-equal/es6/react.js | 'use strict';
// do not edit .js files directly - edit src/index.jst
var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
module.exports = function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
if (a.constructor !== b.constructor) return false;
var length, i, keys;
if (Array.isArray(a)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if ((a instanceof Map) && (b instanceof Map)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
for (i of a.entries())
if (!equal(i[1], b.get(i[0]))) return false;
return true;
}
if ((a instanceof Set) && (b instanceof Set)) {
if (a.size !== b.size) return false;
for (i of a.entries())
if (!b.has(i[0])) return false;
return true;
}
if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (a[i] !== b[i]) return false;
return true;
}
if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length) return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
var key = keys[i];
if (key === '_owner' && a.$$typeof) {
// React-specific: avoid traversing React elements' _owner.
// _owner contains circular references
// and is not needed when comparing the actual elements (and not their owners)
continue;
}
if (!equal(a[key], b[key])) return false;
}
return true;
}
// true if both NaN, false otherwise
return a!==a && b!==b;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/serverless-http.js | aws/lti-middleware/node_modules/serverless-http/serverless-http.js | 'use strict';
const finish = require('./lib/finish');
const getFramework = require('./lib/framework/get-framework');
const getProvider = require('./lib/provider/get-provider');
const defaultOptions = {
requestId: 'x-request-id'
};
module.exports = function (app, opts) {
const options = Object.assign({}, defaultOptions, opts);
const framework = getFramework(app);
const provider = getProvider(options);
return provider(async (request, ...context) => {
await finish(request, options.request, ...context);
const response = await framework(request);
await finish(response, options.response, ...context);
return response;
});
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/request.js | aws/lti-middleware/node_modules/serverless-http/lib/request.js | 'use strict';
const http = require('http');
module.exports = class ServerlessRequest extends http.IncomingMessage {
constructor({ method, url, headers, body, remoteAddress }) {
super({
encrypted: true,
readable: false,
remoteAddress,
address: () => ({ port: 443 }),
end: Function.prototype,
destroy: Function.prototype
});
if (typeof headers['content-length'] === 'undefined') {
headers['content-length'] = Buffer.byteLength(body);
}
Object.assign(this, {
ip: remoteAddress,
complete: true,
httpVersion: '1.1',
httpVersionMajor: '1',
httpVersionMinor: '1',
method,
headers,
body,
url,
});
this._read = () => {
this.push(body);
this.push(null);
};
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/finish.js | aws/lti-middleware/node_modules/serverless-http/lib/finish.js | 'use strict';
module.exports = async function finish(item, transform, ...details) {
await new Promise((resolve, reject) => {
if (item.finished || item.complete) {
resolve();
return;
}
let finished = false;
function done(err) {
if (finished) {
return;
}
finished = true;
item.removeListener('error', done);
item.removeListener('end', done);
item.removeListener('finish', done);
if (err) {
reject(err);
} else {
resolve();
}
}
item.once('error', done);
item.once('end', done);
item.once('finish', done);
});
if (typeof transform === 'function') {
await transform(item, ...details);
} else if (typeof transform === 'object' && transform !== null) {
Object.assign(item, transform);
}
return item;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/response.js | aws/lti-middleware/node_modules/serverless-http/lib/response.js | 'use strict';
const http = require('http');
const headerEnd = '\r\n\r\n';
const BODY = Symbol();
const HEADERS = Symbol();
function getString(data) {
if (Buffer.isBuffer(data)) {
return data.toString('utf8');
} else if (typeof data === 'string') {
return data;
} else {
throw new Error(`response.write() of unexpected type: ${typeof data}`);
}
}
function addData(stream, data) {
if (Buffer.isBuffer(data) || typeof data === 'string' || data instanceof Uint8Array) {
stream[BODY].push(Buffer.from(data));
} else {
throw new Error(`response.write() of unexpected type: ${typeof data}`);
}
}
module.exports = class ServerlessResponse extends http.ServerResponse {
static from(res) {
const response = new ServerlessResponse(res);
response.statusCode = res.statusCode
response[HEADERS] = res.headers;
response[BODY] = [Buffer.from(res.body)];
response.end();
return response;
}
static body(res) {
return Buffer.concat(res[BODY]);
}
static headers(res) {
const headers = typeof res.getHeaders === 'function'
? res.getHeaders()
: res._headers;
return Object.assign(headers, res[HEADERS]);
}
get headers() {
return this[HEADERS];
}
setHeader(key, value) {
if (this._wroteHeader) {
this[HEADERS][key] = value;
} else {
super.setHeader(key, value);
}
}
writeHead(statusCode, reason, obj) {
const headers = typeof reason === 'string'
? obj
: reason
for (const name in headers) {
this.setHeader(name, headers[name])
if (!this._wroteHeader) {
// we only need to initiate super.headers once
// writeHead will add the other headers itself
break
}
}
super.writeHead(statusCode, reason, obj);
}
constructor({ method }) {
super({ method });
this[BODY] = [];
this[HEADERS] = {};
this.useChunkedEncodingByDefault = false;
this.chunkedEncoding = false;
this._header = '';
this.assignSocket({
_writableState: {},
writable: true,
on: Function.prototype,
removeListener: Function.prototype,
destroy: Function.prototype,
cork: Function.prototype,
uncork: Function.prototype,
write: (data, encoding, cb) => {
if (typeof encoding === 'function') {
cb = encoding;
encoding = null;
}
if (this._header === '' || this._wroteHeader) {
addData(this, data);
} else {
const string = getString(data);
const index = string.indexOf(headerEnd);
if (index !== -1) {
const remainder = string.slice(index + headerEnd.length);
if (remainder) {
addData(this, remainder);
}
this._wroteHeader = true;
}
}
if (typeof cb === 'function') {
cb();
}
},
});
this.once('finish', () => {
this.emit('close')
});
}
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/framework/get-framework.js | aws/lti-middleware/node_modules/serverless-http/lib/framework/get-framework.js | 'use strict';
const http = require('http')
const Response = require('../response');
function common(cb) {
return request => {
const response = new Response(request);
cb(request, response);
return response;
};
}
module.exports = function getFramework(app) {
if (app instanceof http.Server) {
return request => {
const response = new Response(request);
app.emit('request', request, response)
return response
}
}
if (typeof app.callback === 'function') {
return common(app.callback());
}
if (typeof app.handle === 'function') {
return common((request, response) => {
app.handle(request, response);
});
}
if (typeof app.handler === 'function') {
return common((request, response) => {
app.handler(request, response);
});
}
if (typeof app._onRequest === 'function') {
return common((request, response) => {
app._onRequest(request, response);
});
}
if (typeof app === 'function') {
return common(app);
}
if (app.router && typeof app.router.route == 'function') {
return common((req, res) => {
const { url, method, headers, body } = req;
app.router.route({ url, method, headers, body }, res);
});
}
if (app._core && typeof app._core._dispatch === 'function') {
return common(app._core._dispatch({
app
}));
}
if (typeof app.inject === 'function') {
return async request => {
const { method, url, headers, body } = request;
const res = await app.inject({ method, url, headers, payload: body })
return Response.from(res);
};
}
if (typeof app.main === 'function') {
return common(app.main);
}
throw new Error('Unsupported framework');
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/get-provider.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/get-provider.js | const aws = require('./aws');
const azure = require('./azure');
const providers = {
aws,
azure
};
module.exports = function getProvider(options) {
const { provider = 'aws' } = options;
if (provider in providers) {
return providers[provider](options);
}
throw new Error(`Unsupported provider ${provider}`);
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/sanitize-headers.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/sanitize-headers.js | 'use strict';
module.exports = function sanitizeHeaders(headers) {
return Object.keys(headers).reduce((memo, key) => {
const value = headers[key];
if (Array.isArray(value)) {
memo.multiValueHeaders[key] = value;
if (key.toLowerCase() !== 'set-cookie') {
memo.headers[key] = value.join(", ");
}
} else {
memo.headers[key] = value == null ? '' : value.toString();
}
return memo;
}, {
headers: {},
multiValueHeaders: {}
});
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/clean-up-event.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/clean-up-event.js | 'use strict';
function removeBasePath(path = '/', basePath) {
if (basePath) {
const basePathIndex = path.indexOf(basePath);
if (basePathIndex > -1) {
return path.substr(basePathIndex + basePath.length) || '/';
}
}
return path;
}
function isString(value)
{
return (typeof value === 'string' || value instanceof String);
}
// ELBs will pass spaces as + symbols, and decodeURIComponent doesn't decode + symbols. So we need to convert them into something it can convert
function specialDecodeURIComponent(value)
{
if(!isString(value))
{
return value;
}
let decoded;
try {
decoded = decodeURIComponent(value.replace(/[+]/g, "%20"));
} catch (err) {
decoded = value.replace(/[+]/g, "%20");
}
return decoded;
}
function recursiveURLDecode(value) {
if (isString(value)) {
return specialDecodeURIComponent(value);
} else if (Array.isArray(value)) {
const decodedArray = [];
for (let index in value) {
decodedArray.push(recursiveURLDecode(value[index]));
}
return decodedArray;
} else if (value instanceof Object) {
const decodedObject = {};
for (let key of Object.keys(value)) {
decodedObject[specialDecodeURIComponent(key)] = recursiveURLDecode(value[key]);
}
return decodedObject;
}
return value;
}
module.exports = function cleanupEvent(evt, options) {
const event = evt || {};
event.requestContext = event.requestContext || {};
event.body = event.body || '';
event.headers = event.headers || {};
// Events coming from AWS Elastic Load Balancers do not automatically urldecode query parameters (unlike API Gateway). So we need to check for that and automatically decode them
// to normalize the request between the two.
if ('elb' in event.requestContext) {
if (event.multiValueQueryStringParameters) {
event.multiValueQueryStringParameters = recursiveURLDecode(event.multiValueQueryStringParameters);
}
if (event.queryStringParameters) {
event.queryStringParameters = recursiveURLDecode(event.queryStringParameters);
}
}
if (event.version === '2.0') {
event.requestContext.authorizer = event.requestContext.authorizer || {};
event.requestContext.http.method = event.requestContext.http.method || 'GET';
event.rawPath = removeBasePath(event.requestPath || event.rawPath, options.basePath);
} else {
event.requestContext.identity = event.requestContext.identity || {};
event.httpMethod = event.httpMethod || 'GET';
event.path = removeBasePath(event.requestPath || event.path, options.basePath);
}
return event;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/create-request.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/create-request.js | 'use strict';
const URL = require('url');
const Request = require('../../request');
function requestMethod(event) {
if (event.version === '2.0') {
return event.requestContext.http.method;
}
return event.httpMethod;
}
function requestRemoteAddress(event) {
if (event.version === '2.0') {
return event.requestContext.http.sourceIp;
}
return event.requestContext.identity.sourceIp;
}
function requestHeaders(event) {
const initialHeader =
event.version === '2.0' && Array.isArray(event.cookies)
? { cookie: event.cookies.join('; ') }
: {};
if (event.multiValueHeaders) {
Object.keys(event.multiValueHeaders).reduce((headers, key) => {
headers[key.toLowerCase()] = event.multiValueHeaders[key].join(', ');
return headers;
}, initialHeader);
}
return Object.keys(event.headers).reduce((headers, key) => {
headers[key.toLowerCase()] = event.headers[key];
return headers;
}, initialHeader);
}
function requestBody(event) {
const type = typeof event.body;
if (Buffer.isBuffer(event.body)) {
return event.body;
} else if (type === 'string') {
return Buffer.from(event.body, event.isBase64Encoded ? 'base64' : 'utf8');
} else if (type === 'object') {
return Buffer.from(JSON.stringify(event.body));
}
throw new Error(`Unexpected event.body type: ${typeof event.body}`);
}
function requestUrl(event) {
if (event.version === '2.0') {
return URL.format({
pathname: event.rawPath,
search: event.rawQueryString,
});
}
// Normalize all query params into a single query string.
const query = event.multiValueQueryStringParameters || {};
if (event.queryStringParameters) {
Object.keys(event.queryStringParameters).forEach((key) => {
if (Array.isArray(query[key])) {
if (!query[key].includes(event.queryStringParameters[key])) {
query[key].push(event.queryStringParameters[key]);
}
} else {
query[key] = [event.queryStringParameters[key]];
}
});
}
return URL.format({
pathname: event.path,
query: query,
});
}
module.exports = (event, context, options) => {
const method = requestMethod(event);
const remoteAddress = requestRemoteAddress(event);
const headers = requestHeaders(event);
const body = requestBody(event);
const url = requestUrl(event);
if (typeof options.requestId === 'string' && options.requestId.length > 0) {
const header = options.requestId.toLowerCase();
const requestId = headers[header] || event.requestContext.requestId;
if (requestId) {
headers[header] = requestId;
}
}
const req = new Request({
method,
headers,
body,
remoteAddress,
url,
});
req.requestContext = event.requestContext;
req.apiGateway = {
event,
context,
};
return req;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/index.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/index.js | const cleanUpEvent = require('./clean-up-event');
const createRequest = require('./create-request');
const formatResponse = require('./format-response');
module.exports = options => {
return getResponse => async (event_, context = {}) => {
const event = cleanUpEvent(event_, options);
const request = createRequest(event, context, options);
const response = await getResponse(request, event, context);
return formatResponse(event, response, options);
};
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/format-response.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/format-response.js | 'use strict';
const isBinary = require('./is-binary');
const Response = require('../../response');
const sanitizeHeaders = require('./sanitize-headers');
module.exports = (event, response, options) => {
const { statusCode } = response;
const {headers, multiValueHeaders } = sanitizeHeaders(Response.headers(response));
let cookies = [];
if (multiValueHeaders['set-cookie']) {
cookies = multiValueHeaders['set-cookie'];
}
const isBase64Encoded = isBinary(headers, options);
const encoding = isBase64Encoded ? 'base64' : 'utf8';
let body = Response.body(response).toString(encoding);
if (headers['transfer-encoding'] === 'chunked' || response.chunkedEncoding) {
const raw = Response.body(response).toString().split('\r\n');
const parsed = [];
for (let i = 0; i < raw.length; i +=2) {
const size = parseInt(raw[i], 16);
const value = raw[i + 1];
if (value) {
parsed.push(value.substring(0, size));
}
}
body = parsed.join('')
}
let formattedResponse = { statusCode, headers, isBase64Encoded, body };
if (event.version === '2.0' && cookies.length) {
formattedResponse['cookies'] = cookies;
}
if ((!event.version || event.version === '1.0') && Object.keys(multiValueHeaders).length) {
formattedResponse['multiValueHeaders'] = multiValueHeaders;
}
return formattedResponse;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/is-binary.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/aws/is-binary.js | 'use strict';
const BINARY_ENCODINGS = ['gzip', 'deflate', 'br'];
const BINARY_CONTENT_TYPES = (process.env.BINARY_CONTENT_TYPES || '').split(',');
function isBinaryEncoding(headers) {
const contentEncoding = headers['content-encoding'];
if (typeof contentEncoding === 'string') {
return contentEncoding.split(',').some(value =>
BINARY_ENCODINGS.some(binaryEncoding => value.indexOf(binaryEncoding) !== -1)
);
}
}
function isBinaryContent(headers, options) {
const contentTypes = [].concat(options.binary
? options.binary
: BINARY_CONTENT_TYPES
).map(candidate =>
new RegExp(`^${candidate.replace(/\*/g, '.*')}$`)
);
const contentType = (headers['content-type'] || '').split(';')[0];
return !!contentType && contentTypes.some(candidate => candidate.test(contentType));
}
module.exports = function isBinary(headers, options) {
if (options.binary === false) {
return false;
}
if (options.binary === true) {
return true
}
if (typeof options.binary === 'function') {
return options.binary(headers);
}
return isBinaryEncoding(headers) || isBinaryContent(headers, options);
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/sanitize-headers.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/sanitize-headers.js | 'use strict';
const setCookieVariations = require('./set-cookie.json').variations;
module.exports = function sanitizeHeaders(headers) {
return Object.keys(headers).reduce((memo, key) => {
const value = headers[key];
if (Array.isArray(value)) {
if (key.toLowerCase() === 'set-cookie') {
value.forEach((cookie, i) => {
memo[setCookieVariations[i]] = cookie;
});
} else {
memo[key] = value.join(', ');
}
} else {
memo[key] = value == null ? '' : value.toString();
}
return memo;
}, {});
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/create-request.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/create-request.js | 'use strict';
const url = require('url');
const Request = require('../../request');
function requestHeaders(request) {
return Object.keys(request.headers).reduce((headers, key) => {
headers[key.toLowerCase()] = request.headers[key];
return headers;
}, {});
}
function requestBody(request) {
const type = typeof request.rawBody;
if (Buffer.isBuffer(request.rawBody)) {
return request.rawBody;
} else if (type === 'string') {
return Buffer.from(request.rawBody, 'utf8');
} else if (type === 'object') {
return Buffer.from(JSON.stringify(request.rawBody));
}
throw new Error(`Unexpected request.body type: ${typeof request.rawBody}`);
}
module.exports = (request) => {
const method = request.method;
const query = request.query;
const headers = requestHeaders(request);
const body = requestBody(request);
const req = new Request({
method,
headers,
body,
url: url.format({
pathname: request.url,
query
})
});
req.requestContext = request.requestContext;
return req;
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/index.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/index.js | const cleanupRequest = require('./clean-up-request');
const createRequest = require('./create-request');
const formatResponse = require('./format-response');
module.exports = options => {
return getResponse => async (context, req) => {
const event = cleanupRequest(req, options);
const request = createRequest(event, options);
const response = await getResponse(request, context, event);
context.log(response);
return formatResponse(response, options);
}
}; | javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/clean-up-request.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/clean-up-request.js | 'use strict';
function getUrl({ requestPath, url }) {
if (requestPath) {
return requestPath;
}
return typeof url === 'string' ? url : '/';
}
function getRequestContext(request) {
const requestContext = {};
requestContext.identity = {};
const forwardedIp = request.headers['x-forwarded-for'];
const clientIp = request.headers['client-ip'];
const ip = forwardedIp ? forwardedIp : (clientIp ? clientIp : '');
if (ip) {
requestContext.identity.sourceIp = ip.split(':')[0];
}
return requestContext;
}
module.exports = function cleanupRequest(req, options) {
const request = req || {};
request.requestContext = getRequestContext(req);
request.method = request.method || 'GET';
request.url = getUrl(request);
request.body = request.body || '';
request.headers = request.headers || {};
if (options.basePath) {
const basePathIndex = request.url.indexOf(options.basePath);
if (basePathIndex > -1) {
request.url = request.url.substr(basePathIndex + options.basePath.length);
}
}
return request;
} | javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/format-response.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/format-response.js | const isBinary = require('./is-binary');
const Response = require('../../response');
const sanitizeHeaders = require('./sanitize-headers');
module.exports = (response, options) => {
const { statusCode } = response;
const headers = sanitizeHeaders(Response.headers(response));
if (headers['transfer-encoding'] === 'chunked' || response.chunkedEncoding) {
throw new Error('chunked encoding not supported');
}
const isBase64Encoded = isBinary(headers, options);
const encoding = isBase64Encoded ? 'base64' : 'utf8';
const body = Response.body(response).toString(encoding);
return { status: statusCode, headers, isBase64Encoded, body };
} | javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/is-binary.js | aws/lti-middleware/node_modules/serverless-http/lib/provider/azure/is-binary.js | 'use strict';
const BINARY_ENCODINGS = ['gzip', 'deflate', 'br'];
const BINARY_CONTENT_TYPES = (process.env.BINARY_CONTENT_TYPES || '').split(',');
function isBinaryEncoding(headers) {
const contentEncoding = headers['content-encoding'];
if (typeof contentEncoding === 'string') {
return contentEncoding.split(',').some(value =>
BINARY_ENCODINGS.some(binaryEncoding => value.indexOf(binaryEncoding) !== -1)
);
}
}
function isBinaryContent(headers, options) {
const contentTypes = [].concat(options.binary
? options.binary
: BINARY_CONTENT_TYPES
).map(candidate =>
new RegExp(`^${candidate.replace(/\*/g, '.*')}$`)
);
const contentType = (headers['content-type'] || '').split(';')[0];
return !!contentType && contentTypes.some(candidate => candidate.test(contentType));
}
module.exports = function isBinary(headers, options) {
if (options.binary === false) {
return false;
}
if (options.binary === true) {
return true
}
if (typeof options.binary === 'function') {
return options.binary(headers);
}
return isBinaryEncoding(headers) || isBinaryContent(headers, options);
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/destroy/index.js | aws/lti-middleware/node_modules/destroy/index.js | /*!
* destroy
* Copyright(c) 2014 Jonathan Ong
* MIT Licensed
*/
'use strict'
/**
* Module dependencies.
* @private
*/
var ReadStream = require('fs').ReadStream
var Stream = require('stream')
/**
* Module exports.
* @public
*/
module.exports = destroy
/**
* Destroy a stream.
*
* @param {object} stream
* @public
*/
function destroy(stream) {
if (stream instanceof ReadStream) {
return destroyReadStream(stream)
}
if (!(stream instanceof Stream)) {
return stream
}
if (typeof stream.destroy === 'function') {
stream.destroy()
}
return stream
}
/**
* Destroy a ReadStream.
*
* @param {object} stream
* @private
*/
function destroyReadStream(stream) {
stream.destroy()
if (typeof stream.close === 'function') {
// node.js core bug work-around
stream.on('open', onOpenClose)
}
return stream
}
/**
* On open handler to close stream.
* @private
*/
function onOpenClose() {
if (typeof this.fd === 'number') {
// actually close down the fd
this.close()
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/webidl-conversions/lib/index.js | aws/lti-middleware/node_modules/webidl-conversions/lib/index.js | "use strict";
var conversions = {};
module.exports = conversions;
function sign(x) {
return x < 0 ? -1 : 1;
}
function evenRound(x) {
// Round x to the nearest integer, choosing the even integer if it lies halfway between two.
if ((x % 1) === 0.5 && (x & 1) === 0) { // [even number].5; round down (i.e. floor)
return Math.floor(x);
} else {
return Math.round(x);
}
}
function createNumberConversion(bitLength, typeOpts) {
if (!typeOpts.unsigned) {
--bitLength;
}
const lowerBound = typeOpts.unsigned ? 0 : -Math.pow(2, bitLength);
const upperBound = Math.pow(2, bitLength) - 1;
const moduloVal = typeOpts.moduloBitLength ? Math.pow(2, typeOpts.moduloBitLength) : Math.pow(2, bitLength);
const moduloBound = typeOpts.moduloBitLength ? Math.pow(2, typeOpts.moduloBitLength - 1) : Math.pow(2, bitLength - 1);
return function(V, opts) {
if (!opts) opts = {};
let x = +V;
if (opts.enforceRange) {
if (!Number.isFinite(x)) {
throw new TypeError("Argument is not a finite number");
}
x = sign(x) * Math.floor(Math.abs(x));
if (x < lowerBound || x > upperBound) {
throw new TypeError("Argument is not in byte range");
}
return x;
}
if (!isNaN(x) && opts.clamp) {
x = evenRound(x);
if (x < lowerBound) x = lowerBound;
if (x > upperBound) x = upperBound;
return x;
}
if (!Number.isFinite(x) || x === 0) {
return 0;
}
x = sign(x) * Math.floor(Math.abs(x));
x = x % moduloVal;
if (!typeOpts.unsigned && x >= moduloBound) {
return x - moduloVal;
} else if (typeOpts.unsigned) {
if (x < 0) {
x += moduloVal;
} else if (x === -0) { // don't return negative zero
return 0;
}
}
return x;
}
}
conversions["void"] = function () {
return undefined;
};
conversions["boolean"] = function (val) {
return !!val;
};
conversions["byte"] = createNumberConversion(8, { unsigned: false });
conversions["octet"] = createNumberConversion(8, { unsigned: true });
conversions["short"] = createNumberConversion(16, { unsigned: false });
conversions["unsigned short"] = createNumberConversion(16, { unsigned: true });
conversions["long"] = createNumberConversion(32, { unsigned: false });
conversions["unsigned long"] = createNumberConversion(32, { unsigned: true });
conversions["long long"] = createNumberConversion(32, { unsigned: false, moduloBitLength: 64 });
conversions["unsigned long long"] = createNumberConversion(32, { unsigned: true, moduloBitLength: 64 });
conversions["double"] = function (V) {
const x = +V;
if (!Number.isFinite(x)) {
throw new TypeError("Argument is not a finite floating-point value");
}
return x;
};
conversions["unrestricted double"] = function (V) {
const x = +V;
if (isNaN(x)) {
throw new TypeError("Argument is NaN");
}
return x;
};
// not quite valid, but good enough for JS
conversions["float"] = conversions["double"];
conversions["unrestricted float"] = conversions["unrestricted double"];
conversions["DOMString"] = function (V, opts) {
if (!opts) opts = {};
if (opts.treatNullAsEmptyString && V === null) {
return "";
}
return String(V);
};
conversions["ByteString"] = function (V, opts) {
const x = String(V);
let c = undefined;
for (let i = 0; (c = x.codePointAt(i)) !== undefined; ++i) {
if (c > 255) {
throw new TypeError("Argument is not a valid bytestring");
}
}
return x;
};
conversions["USVString"] = function (V) {
const S = String(V);
const n = S.length;
const U = [];
for (let i = 0; i < n; ++i) {
const c = S.charCodeAt(i);
if (c < 0xD800 || c > 0xDFFF) {
U.push(String.fromCodePoint(c));
} else if (0xDC00 <= c && c <= 0xDFFF) {
U.push(String.fromCodePoint(0xFFFD));
} else {
if (i === n - 1) {
U.push(String.fromCodePoint(0xFFFD));
} else {
const d = S.charCodeAt(i + 1);
if (0xDC00 <= d && d <= 0xDFFF) {
const a = c & 0x3FF;
const b = d & 0x3FF;
U.push(String.fromCodePoint((2 << 15) + (2 << 9) * a + b));
++i;
} else {
U.push(String.fromCodePoint(0xFFFD));
}
}
}
}
return U.join('');
};
conversions["Date"] = function (V, opts) {
if (!(V instanceof Date)) {
throw new TypeError("Argument is not a Date object");
}
if (isNaN(V)) {
return undefined;
}
return V;
};
conversions["RegExp"] = function (V, opts) {
if (!(V instanceof RegExp)) {
V = new RegExp(V);
}
return V;
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/run-parallel-limit/index.js | aws/lti-middleware/node_modules/run-parallel-limit/index.js | /*! run-parallel-limit. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
module.exports = runParallelLimit
const queueMicrotask = require('queue-microtask')
function runParallelLimit (tasks, limit, cb) {
if (typeof limit !== 'number') throw new Error('second argument must be a Number')
let results, len, pending, keys, isErrored
let isSync = true
let next
if (Array.isArray(tasks)) {
results = []
pending = len = tasks.length
} else {
keys = Object.keys(tasks)
results = {}
pending = len = keys.length
}
function done (err) {
function end () {
if (cb) cb(err, results)
cb = null
}
if (isSync) queueMicrotask(end)
else end()
}
function each (i, err, result) {
results[i] = result
if (err) isErrored = true
if (--pending === 0 || err) {
done(err)
} else if (!isErrored && next < len) {
let key
if (keys) {
key = keys[next]
next += 1
tasks[key](function (err, result) { each(key, err, result) })
} else {
key = next
next += 1
tasks[key](function (err, result) { each(key, err, result) })
}
}
}
next = limit
if (!pending) {
// empty
done(null)
} else if (keys) {
// object
keys.some(function (key, i) {
tasks[key](function (err, result) { each(key, err, result) })
if (i === limit - 1) return true // early return
return false
})
} else {
// array
tasks.some(function (task, i) {
task(function (err, result) { each(i, err, result) })
if (i === limit - 1) return true // early return
return false
})
}
isSync = false
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/helpers/index.js | aws/lti-middleware/node_modules/yargs/helpers/index.js | const {
applyExtends,
cjsPlatformShim,
Parser,
processArgv,
} = require('../build/index.cjs');
module.exports = {
applyExtends: (config, cwd, mergeExtends) => {
return applyExtends(config, cwd, mergeExtends, cjsPlatformShim);
},
hideBin: processArgv.hideBin,
Parser,
};
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/completion-templates.js | aws/lti-middleware/node_modules/yargs/build/lib/completion-templates.js | export const completionShTemplate = `###-begin-{{app_name}}-completions-###
#
# yargs command completion script
#
# Installation: {{app_path}} {{completion_command}} >> ~/.bashrc
# or {{app_path}} {{completion_command}} >> ~/.bash_profile on OSX.
#
_yargs_completions()
{
local cur_word args type_list
cur_word="\${COMP_WORDS[COMP_CWORD]}"
args=("\${COMP_WORDS[@]}")
# ask yargs to generate completions.
type_list=$({{app_path}} --get-yargs-completions "\${args[@]}")
COMPREPLY=( $(compgen -W "\${type_list}" -- \${cur_word}) )
# if no match was found, fall back to filename completion
if [ \${#COMPREPLY[@]} -eq 0 ]; then
COMPREPLY=()
fi
return 0
}
complete -o default -F _yargs_completions {{app_name}}
###-end-{{app_name}}-completions-###
`;
export const completionZshTemplate = `###-begin-{{app_name}}-completions-###
#
# yargs command completion script
#
# Installation: {{app_path}} {{completion_command}} >> ~/.zshrc
# or {{app_path}} {{completion_command}} >> ~/.zsh_profile on OSX.
#
_{{app_name}}_yargs_completions()
{
local reply
local si=$IFS
IFS=$'\n' reply=($(COMP_CWORD="$((CURRENT-1))" COMP_LINE="$BUFFER" COMP_POINT="$CURSOR" {{app_path}} --get-yargs-completions "\${words[@]}"))
IFS=$si
_describe 'values' reply
}
compdef _{{app_name}}_yargs_completions {{app_name}}
###-end-{{app_name}}-completions-###
`;
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/middleware.js | aws/lti-middleware/node_modules/yargs/build/lib/middleware.js | import { argsert } from './argsert.js';
import { isPromise } from './utils/is-promise.js';
export function globalMiddlewareFactory(globalMiddleware, context) {
return function (callback, applyBeforeValidation = false) {
argsert('<array|function> [boolean]', [callback, applyBeforeValidation], arguments.length);
if (Array.isArray(callback)) {
for (let i = 0; i < callback.length; i++) {
if (typeof callback[i] !== 'function') {
throw Error('middleware must be a function');
}
callback[i].applyBeforeValidation = applyBeforeValidation;
}
Array.prototype.push.apply(globalMiddleware, callback);
}
else if (typeof callback === 'function') {
callback.applyBeforeValidation = applyBeforeValidation;
globalMiddleware.push(callback);
}
return context;
};
}
export function commandMiddlewareFactory(commandMiddleware) {
if (!commandMiddleware)
return [];
return commandMiddleware.map(middleware => {
middleware.applyBeforeValidation = false;
return middleware;
});
}
export function applyMiddleware(argv, yargs, middlewares, beforeValidation) {
const beforeValidationError = new Error('middleware cannot return a promise when applyBeforeValidation is true');
return middlewares.reduce((acc, middleware) => {
if (middleware.applyBeforeValidation !== beforeValidation) {
return acc;
}
if (isPromise(acc)) {
return acc
.then(initialObj => Promise.all([
initialObj,
middleware(initialObj, yargs),
]))
.then(([initialObj, middlewareObj]) => Object.assign(initialObj, middlewareObj));
}
else {
const result = middleware(acc, yargs);
if (beforeValidation && isPromise(result))
throw beforeValidationError;
return isPromise(result)
? result.then(middlewareObj => Object.assign(acc, middlewareObj))
: Object.assign(acc, result);
}
}, argv);
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/validation.js | aws/lti-middleware/node_modules/yargs/build/lib/validation.js | import { argsert } from './argsert.js';
import { assertNotStrictEqual, } from './typings/common-types.js';
import { levenshtein as distance } from './utils/levenshtein.js';
import { objFilter } from './utils/obj-filter.js';
const specialKeys = ['$0', '--', '_'];
export function validation(yargs, usage, y18n, shim) {
const __ = y18n.__;
const __n = y18n.__n;
const self = {};
self.nonOptionCount = function nonOptionCount(argv) {
const demandedCommands = yargs.getDemandedCommands();
const positionalCount = argv._.length + (argv['--'] ? argv['--'].length : 0);
const _s = positionalCount - yargs.getContext().commands.length;
if (demandedCommands._ &&
(_s < demandedCommands._.min || _s > demandedCommands._.max)) {
if (_s < demandedCommands._.min) {
if (demandedCommands._.minMsg !== undefined) {
usage.fail(demandedCommands._.minMsg
? demandedCommands._.minMsg
.replace(/\$0/g, _s.toString())
.replace(/\$1/, demandedCommands._.min.toString())
: null);
}
else {
usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', _s, _s.toString(), demandedCommands._.min.toString()));
}
}
else if (_s > demandedCommands._.max) {
if (demandedCommands._.maxMsg !== undefined) {
usage.fail(demandedCommands._.maxMsg
? demandedCommands._.maxMsg
.replace(/\$0/g, _s.toString())
.replace(/\$1/, demandedCommands._.max.toString())
: null);
}
else {
usage.fail(__n('Too many non-option arguments: got %s, maximum of %s', 'Too many non-option arguments: got %s, maximum of %s', _s, _s.toString(), demandedCommands._.max.toString()));
}
}
}
};
self.positionalCount = function positionalCount(required, observed) {
if (observed < required) {
usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', observed, observed + '', required + ''));
}
};
self.requiredArguments = function requiredArguments(argv) {
const demandedOptions = yargs.getDemandedOptions();
let missing = null;
for (const key of Object.keys(demandedOptions)) {
if (!Object.prototype.hasOwnProperty.call(argv, key) ||
typeof argv[key] === 'undefined') {
missing = missing || {};
missing[key] = demandedOptions[key];
}
}
if (missing) {
const customMsgs = [];
for (const key of Object.keys(missing)) {
const msg = missing[key];
if (msg && customMsgs.indexOf(msg) < 0) {
customMsgs.push(msg);
}
}
const customMsg = customMsgs.length ? `\n${customMsgs.join('\n')}` : '';
usage.fail(__n('Missing required argument: %s', 'Missing required arguments: %s', Object.keys(missing).length, Object.keys(missing).join(', ') + customMsg));
}
};
self.unknownArguments = function unknownArguments(argv, aliases, positionalMap, isDefaultCommand, checkPositionals = true) {
const commandKeys = yargs.getCommandInstance().getCommands();
const unknown = [];
const currentContext = yargs.getContext();
Object.keys(argv).forEach(key => {
if (specialKeys.indexOf(key) === -1 &&
!Object.prototype.hasOwnProperty.call(positionalMap, key) &&
!Object.prototype.hasOwnProperty.call(yargs._getParseContext(), key) &&
!self.isValidAndSomeAliasIsNotNew(key, aliases)) {
unknown.push(key);
}
});
if (checkPositionals &&
(currentContext.commands.length > 0 ||
commandKeys.length > 0 ||
isDefaultCommand)) {
argv._.slice(currentContext.commands.length).forEach(key => {
if (commandKeys.indexOf('' + key) === -1) {
unknown.push('' + key);
}
});
}
if (unknown.length > 0) {
usage.fail(__n('Unknown argument: %s', 'Unknown arguments: %s', unknown.length, unknown.join(', ')));
}
};
self.unknownCommands = function unknownCommands(argv) {
const commandKeys = yargs.getCommandInstance().getCommands();
const unknown = [];
const currentContext = yargs.getContext();
if (currentContext.commands.length > 0 || commandKeys.length > 0) {
argv._.slice(currentContext.commands.length).forEach(key => {
if (commandKeys.indexOf('' + key) === -1) {
unknown.push('' + key);
}
});
}
if (unknown.length > 0) {
usage.fail(__n('Unknown command: %s', 'Unknown commands: %s', unknown.length, unknown.join(', ')));
return true;
}
else {
return false;
}
};
self.isValidAndSomeAliasIsNotNew = function isValidAndSomeAliasIsNotNew(key, aliases) {
if (!Object.prototype.hasOwnProperty.call(aliases, key)) {
return false;
}
const newAliases = yargs.parsed.newAliases;
for (const a of [key, ...aliases[key]]) {
if (!Object.prototype.hasOwnProperty.call(newAliases, a) ||
!newAliases[key]) {
return true;
}
}
return false;
};
self.limitedChoices = function limitedChoices(argv) {
const options = yargs.getOptions();
const invalid = {};
if (!Object.keys(options.choices).length)
return;
Object.keys(argv).forEach(key => {
if (specialKeys.indexOf(key) === -1 &&
Object.prototype.hasOwnProperty.call(options.choices, key)) {
[].concat(argv[key]).forEach(value => {
if (options.choices[key].indexOf(value) === -1 &&
value !== undefined) {
invalid[key] = (invalid[key] || []).concat(value);
}
});
}
});
const invalidKeys = Object.keys(invalid);
if (!invalidKeys.length)
return;
let msg = __('Invalid values:');
invalidKeys.forEach(key => {
msg += `\n ${__('Argument: %s, Given: %s, Choices: %s', key, usage.stringifiedValues(invalid[key]), usage.stringifiedValues(options.choices[key]))}`;
});
usage.fail(msg);
};
let checks = [];
self.check = function check(f, global) {
checks.push({
func: f,
global,
});
};
self.customChecks = function customChecks(argv, aliases) {
for (let i = 0, f; (f = checks[i]) !== undefined; i++) {
const func = f.func;
let result = null;
try {
result = func(argv, aliases);
}
catch (err) {
usage.fail(err.message ? err.message : err, err);
continue;
}
if (!result) {
usage.fail(__('Argument check failed: %s', func.toString()));
}
else if (typeof result === 'string' || result instanceof Error) {
usage.fail(result.toString(), result);
}
}
};
let implied = {};
self.implies = function implies(key, value) {
argsert('<string|object> [array|number|string]', [key, value], arguments.length);
if (typeof key === 'object') {
Object.keys(key).forEach(k => {
self.implies(k, key[k]);
});
}
else {
yargs.global(key);
if (!implied[key]) {
implied[key] = [];
}
if (Array.isArray(value)) {
value.forEach(i => self.implies(key, i));
}
else {
assertNotStrictEqual(value, undefined, shim);
implied[key].push(value);
}
}
};
self.getImplied = function getImplied() {
return implied;
};
function keyExists(argv, val) {
const num = Number(val);
val = isNaN(num) ? val : num;
if (typeof val === 'number') {
val = argv._.length >= val;
}
else if (val.match(/^--no-.+/)) {
val = val.match(/^--no-(.+)/)[1];
val = !argv[val];
}
else {
val = argv[val];
}
return val;
}
self.implications = function implications(argv) {
const implyFail = [];
Object.keys(implied).forEach(key => {
const origKey = key;
(implied[key] || []).forEach(value => {
let key = origKey;
const origValue = value;
key = keyExists(argv, key);
value = keyExists(argv, value);
if (key && !value) {
implyFail.push(` ${origKey} -> ${origValue}`);
}
});
});
if (implyFail.length) {
let msg = `${__('Implications failed:')}\n`;
implyFail.forEach(value => {
msg += value;
});
usage.fail(msg);
}
};
let conflicting = {};
self.conflicts = function conflicts(key, value) {
argsert('<string|object> [array|string]', [key, value], arguments.length);
if (typeof key === 'object') {
Object.keys(key).forEach(k => {
self.conflicts(k, key[k]);
});
}
else {
yargs.global(key);
if (!conflicting[key]) {
conflicting[key] = [];
}
if (Array.isArray(value)) {
value.forEach(i => self.conflicts(key, i));
}
else {
conflicting[key].push(value);
}
}
};
self.getConflicting = () => conflicting;
self.conflicting = function conflictingFn(argv) {
Object.keys(argv).forEach(key => {
if (conflicting[key]) {
conflicting[key].forEach(value => {
if (value && argv[key] !== undefined && argv[value] !== undefined) {
usage.fail(__('Arguments %s and %s are mutually exclusive', key, value));
}
});
}
});
};
self.recommendCommands = function recommendCommands(cmd, potentialCommands) {
const threshold = 3;
potentialCommands = potentialCommands.sort((a, b) => b.length - a.length);
let recommended = null;
let bestDistance = Infinity;
for (let i = 0, candidate; (candidate = potentialCommands[i]) !== undefined; i++) {
const d = distance(cmd, candidate);
if (d <= threshold && d < bestDistance) {
bestDistance = d;
recommended = candidate;
}
}
if (recommended)
usage.fail(__('Did you mean %s?', recommended));
};
self.reset = function reset(localLookup) {
implied = objFilter(implied, k => !localLookup[k]);
conflicting = objFilter(conflicting, k => !localLookup[k]);
checks = checks.filter(c => c.global);
return self;
};
const frozens = [];
self.freeze = function freeze() {
frozens.push({
implied,
checks,
conflicting,
});
};
self.unfreeze = function unfreeze() {
const frozen = frozens.pop();
assertNotStrictEqual(frozen, undefined, shim);
({ implied, checks, conflicting } = frozen);
};
return self;
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/yargs-factory.js | aws/lti-middleware/node_modules/yargs/build/lib/yargs-factory.js | import { command as Command, } from './command.js';
import { assertNotStrictEqual, assertSingleKey, objectKeys, } from './typings/common-types.js';
import { YError } from './yerror.js';
import { usage as Usage } from './usage.js';
import { argsert } from './argsert.js';
import { completion as Completion, } from './completion.js';
import { validation as Validation, } from './validation.js';
import { objFilter } from './utils/obj-filter.js';
import { applyExtends } from './utils/apply-extends.js';
import { globalMiddlewareFactory, } from './middleware.js';
import { isPromise } from './utils/is-promise.js';
import setBlocking from './utils/set-blocking.js';
let shim;
export function YargsWithShim(_shim) {
shim = _shim;
return Yargs;
}
function Yargs(processArgs = [], cwd = shim.process.cwd(), parentRequire) {
const self = {};
let command;
let completion = null;
let groups = {};
const globalMiddleware = [];
let output = '';
const preservedGroups = {};
let usage;
let validation;
let handlerFinishCommand = null;
const y18n = shim.y18n;
self.middleware = globalMiddlewareFactory(globalMiddleware, self);
self.scriptName = function (scriptName) {
self.customScriptName = true;
self.$0 = scriptName;
return self;
};
let default$0;
if (/\b(node|iojs|electron)(\.exe)?$/.test(shim.process.argv()[0])) {
default$0 = shim.process.argv().slice(1, 2);
}
else {
default$0 = shim.process.argv().slice(0, 1);
}
self.$0 = default$0
.map(x => {
const b = rebase(cwd, x);
return x.match(/^(\/|([a-zA-Z]:)?\\)/) && b.length < x.length ? b : x;
})
.join(' ')
.trim();
if (shim.getEnv('_') && shim.getProcessArgvBin() === shim.getEnv('_')) {
self.$0 = shim
.getEnv('_')
.replace(`${shim.path.dirname(shim.process.execPath())}/`, '');
}
const context = { resets: -1, commands: [], fullCommands: [], files: [] };
self.getContext = () => context;
let hasOutput = false;
let exitError = null;
self.exit = (code, err) => {
hasOutput = true;
exitError = err;
if (exitProcess)
shim.process.exit(code);
};
let completionCommand = null;
self.completion = function (cmd, desc, fn) {
argsert('[string] [string|boolean|function] [function]', [cmd, desc, fn], arguments.length);
if (typeof desc === 'function') {
fn = desc;
desc = undefined;
}
completionCommand = cmd || completionCommand || 'completion';
if (!desc && desc !== false) {
desc = 'generate completion script';
}
self.command(completionCommand, desc);
if (fn)
completion.registerFunction(fn);
return self;
};
let options;
self.resetOptions = self.reset = function resetOptions(aliases = {}) {
context.resets++;
options = options || {};
const tmpOptions = {};
tmpOptions.local = options.local ? options.local : [];
tmpOptions.configObjects = options.configObjects
? options.configObjects
: [];
const localLookup = {};
tmpOptions.local.forEach(l => {
localLookup[l] = true;
(aliases[l] || []).forEach(a => {
localLookup[a] = true;
});
});
Object.assign(preservedGroups, Object.keys(groups).reduce((acc, groupName) => {
const keys = groups[groupName].filter(key => !(key in localLookup));
if (keys.length > 0) {
acc[groupName] = keys;
}
return acc;
}, {}));
groups = {};
const arrayOptions = [
'array',
'boolean',
'string',
'skipValidation',
'count',
'normalize',
'number',
'hiddenOptions',
];
const objectOptions = [
'narg',
'key',
'alias',
'default',
'defaultDescription',
'config',
'choices',
'demandedOptions',
'demandedCommands',
'coerce',
'deprecatedOptions',
];
arrayOptions.forEach(k => {
tmpOptions[k] = (options[k] || []).filter((k) => !localLookup[k]);
});
objectOptions.forEach((k) => {
tmpOptions[k] = objFilter(options[k], k => !localLookup[k]);
});
tmpOptions.envPrefix = options.envPrefix;
options = tmpOptions;
usage = usage ? usage.reset(localLookup) : Usage(self, y18n, shim);
validation = validation
? validation.reset(localLookup)
: Validation(self, usage, y18n, shim);
command = command
? command.reset()
: Command(self, usage, validation, globalMiddleware, shim);
if (!completion)
completion = Completion(self, usage, command, shim);
completionCommand = null;
output = '';
exitError = null;
hasOutput = false;
self.parsed = false;
return self;
};
self.resetOptions();
const frozens = [];
function freeze() {
frozens.push({
options,
configObjects: options.configObjects.slice(0),
exitProcess,
groups,
strict,
strictCommands,
strictOptions,
completionCommand,
output,
exitError,
hasOutput,
parsed: self.parsed,
parseFn,
parseContext,
handlerFinishCommand,
});
usage.freeze();
validation.freeze();
command.freeze();
}
function unfreeze() {
const frozen = frozens.pop();
assertNotStrictEqual(frozen, undefined, shim);
let configObjects;
({
options,
configObjects,
exitProcess,
groups,
output,
exitError,
hasOutput,
parsed: self.parsed,
strict,
strictCommands,
strictOptions,
completionCommand,
parseFn,
parseContext,
handlerFinishCommand,
} = frozen);
options.configObjects = configObjects;
usage.unfreeze();
validation.unfreeze();
command.unfreeze();
}
self.boolean = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('boolean', keys);
return self;
};
self.array = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('array', keys);
return self;
};
self.number = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('number', keys);
return self;
};
self.normalize = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('normalize', keys);
return self;
};
self.count = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('count', keys);
return self;
};
self.string = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('string', keys);
return self;
};
self.requiresArg = function (keys) {
argsert('<array|string|object> [number]', [keys], arguments.length);
if (typeof keys === 'string' && options.narg[keys]) {
return self;
}
else {
populateParserHintSingleValueDictionary(self.requiresArg, 'narg', keys, NaN);
}
return self;
};
self.skipValidation = function (keys) {
argsert('<array|string>', [keys], arguments.length);
populateParserHintArray('skipValidation', keys);
return self;
};
function populateParserHintArray(type, keys) {
keys = [].concat(keys);
keys.forEach(key => {
key = sanitizeKey(key);
options[type].push(key);
});
}
self.nargs = function (key, value) {
argsert('<string|object|array> [number]', [key, value], arguments.length);
populateParserHintSingleValueDictionary(self.nargs, 'narg', key, value);
return self;
};
self.choices = function (key, value) {
argsert('<object|string|array> [string|array]', [key, value], arguments.length);
populateParserHintArrayDictionary(self.choices, 'choices', key, value);
return self;
};
self.alias = function (key, value) {
argsert('<object|string|array> [string|array]', [key, value], arguments.length);
populateParserHintArrayDictionary(self.alias, 'alias', key, value);
return self;
};
self.default = self.defaults = function (key, value, defaultDescription) {
argsert('<object|string|array> [*] [string]', [key, value, defaultDescription], arguments.length);
if (defaultDescription) {
assertSingleKey(key, shim);
options.defaultDescription[key] = defaultDescription;
}
if (typeof value === 'function') {
assertSingleKey(key, shim);
if (!options.defaultDescription[key])
options.defaultDescription[key] = usage.functionDescription(value);
value = value.call();
}
populateParserHintSingleValueDictionary(self.default, 'default', key, value);
return self;
};
self.describe = function (key, desc) {
argsert('<object|string|array> [string]', [key, desc], arguments.length);
setKey(key, true);
usage.describe(key, desc);
return self;
};
function setKey(key, set) {
populateParserHintSingleValueDictionary(setKey, 'key', key, set);
return self;
}
function demandOption(keys, msg) {
argsert('<object|string|array> [string]', [keys, msg], arguments.length);
populateParserHintSingleValueDictionary(self.demandOption, 'demandedOptions', keys, msg);
return self;
}
self.demandOption = demandOption;
self.coerce = function (keys, value) {
argsert('<object|string|array> [function]', [keys, value], arguments.length);
populateParserHintSingleValueDictionary(self.coerce, 'coerce', keys, value);
return self;
};
function populateParserHintSingleValueDictionary(builder, type, key, value) {
populateParserHintDictionary(builder, type, key, value, (type, key, value) => {
options[type][key] = value;
});
}
function populateParserHintArrayDictionary(builder, type, key, value) {
populateParserHintDictionary(builder, type, key, value, (type, key, value) => {
options[type][key] = (options[type][key] || []).concat(value);
});
}
function populateParserHintDictionary(builder, type, key, value, singleKeyHandler) {
if (Array.isArray(key)) {
key.forEach(k => {
builder(k, value);
});
}
else if (((key) => typeof key === 'object')(key)) {
for (const k of objectKeys(key)) {
builder(k, key[k]);
}
}
else {
singleKeyHandler(type, sanitizeKey(key), value);
}
}
function sanitizeKey(key) {
if (key === '__proto__')
return '___proto___';
return key;
}
function deleteFromParserHintObject(optionKey) {
objectKeys(options).forEach((hintKey) => {
if (((key) => key === 'configObjects')(hintKey))
return;
const hint = options[hintKey];
if (Array.isArray(hint)) {
if (~hint.indexOf(optionKey))
hint.splice(hint.indexOf(optionKey), 1);
}
else if (typeof hint === 'object') {
delete hint[optionKey];
}
});
delete usage.getDescriptions()[optionKey];
}
self.config = function config(key = 'config', msg, parseFn) {
argsert('[object|string] [string|function] [function]', [key, msg, parseFn], arguments.length);
if (typeof key === 'object' && !Array.isArray(key)) {
key = applyExtends(key, cwd, self.getParserConfiguration()['deep-merge-config'] || false, shim);
options.configObjects = (options.configObjects || []).concat(key);
return self;
}
if (typeof msg === 'function') {
parseFn = msg;
msg = undefined;
}
self.describe(key, msg || usage.deferY18nLookup('Path to JSON config file'));
(Array.isArray(key) ? key : [key]).forEach(k => {
options.config[k] = parseFn || true;
});
return self;
};
self.example = function (cmd, description) {
argsert('<string|array> [string]', [cmd, description], arguments.length);
if (Array.isArray(cmd)) {
cmd.forEach(exampleParams => self.example(...exampleParams));
}
else {
usage.example(cmd, description);
}
return self;
};
self.command = function (cmd, description, builder, handler, middlewares, deprecated) {
argsert('<string|array|object> [string|boolean] [function|object] [function] [array] [boolean|string]', [cmd, description, builder, handler, middlewares, deprecated], arguments.length);
command.addHandler(cmd, description, builder, handler, middlewares, deprecated);
return self;
};
self.commandDir = function (dir, opts) {
argsert('<string> [object]', [dir, opts], arguments.length);
const req = parentRequire || shim.require;
command.addDirectory(dir, self.getContext(), req, shim.getCallerFile(), opts);
return self;
};
self.demand = self.required = self.require = function demand(keys, max, msg) {
if (Array.isArray(max)) {
max.forEach(key => {
assertNotStrictEqual(msg, true, shim);
demandOption(key, msg);
});
max = Infinity;
}
else if (typeof max !== 'number') {
msg = max;
max = Infinity;
}
if (typeof keys === 'number') {
assertNotStrictEqual(msg, true, shim);
self.demandCommand(keys, max, msg, msg);
}
else if (Array.isArray(keys)) {
keys.forEach(key => {
assertNotStrictEqual(msg, true, shim);
demandOption(key, msg);
});
}
else {
if (typeof msg === 'string') {
demandOption(keys, msg);
}
else if (msg === true || typeof msg === 'undefined') {
demandOption(keys);
}
}
return self;
};
self.demandCommand = function demandCommand(min = 1, max, minMsg, maxMsg) {
argsert('[number] [number|string] [string|null|undefined] [string|null|undefined]', [min, max, minMsg, maxMsg], arguments.length);
if (typeof max !== 'number') {
minMsg = max;
max = Infinity;
}
self.global('_', false);
options.demandedCommands._ = {
min,
max,
minMsg,
maxMsg,
};
return self;
};
self.getDemandedOptions = () => {
argsert([], 0);
return options.demandedOptions;
};
self.getDemandedCommands = () => {
argsert([], 0);
return options.demandedCommands;
};
self.deprecateOption = function deprecateOption(option, message) {
argsert('<string> [string|boolean]', [option, message], arguments.length);
options.deprecatedOptions[option] = message;
return self;
};
self.getDeprecatedOptions = () => {
argsert([], 0);
return options.deprecatedOptions;
};
self.implies = function (key, value) {
argsert('<string|object> [number|string|array]', [key, value], arguments.length);
validation.implies(key, value);
return self;
};
self.conflicts = function (key1, key2) {
argsert('<string|object> [string|array]', [key1, key2], arguments.length);
validation.conflicts(key1, key2);
return self;
};
self.usage = function (msg, description, builder, handler) {
argsert('<string|null|undefined> [string|boolean] [function|object] [function]', [msg, description, builder, handler], arguments.length);
if (description !== undefined) {
assertNotStrictEqual(msg, null, shim);
if ((msg || '').match(/^\$0( |$)/)) {
return self.command(msg, description, builder, handler);
}
else {
throw new YError('.usage() description must start with $0 if being used as alias for .command()');
}
}
else {
usage.usage(msg);
return self;
}
};
self.epilogue = self.epilog = function (msg) {
argsert('<string>', [msg], arguments.length);
usage.epilog(msg);
return self;
};
self.fail = function (f) {
argsert('<function>', [f], arguments.length);
usage.failFn(f);
return self;
};
self.onFinishCommand = function (f) {
argsert('<function>', [f], arguments.length);
handlerFinishCommand = f;
return self;
};
self.getHandlerFinishCommand = () => handlerFinishCommand;
self.check = function (f, _global) {
argsert('<function> [boolean]', [f, _global], arguments.length);
validation.check(f, _global !== false);
return self;
};
self.global = function global(globals, global) {
argsert('<string|array> [boolean]', [globals, global], arguments.length);
globals = [].concat(globals);
if (global !== false) {
options.local = options.local.filter(l => globals.indexOf(l) === -1);
}
else {
globals.forEach(g => {
if (options.local.indexOf(g) === -1)
options.local.push(g);
});
}
return self;
};
self.pkgConf = function pkgConf(key, rootPath) {
argsert('<string> [string]', [key, rootPath], arguments.length);
let conf = null;
const obj = pkgUp(rootPath || cwd);
if (obj[key] && typeof obj[key] === 'object') {
conf = applyExtends(obj[key], rootPath || cwd, self.getParserConfiguration()['deep-merge-config'] || false, shim);
options.configObjects = (options.configObjects || []).concat(conf);
}
return self;
};
const pkgs = {};
function pkgUp(rootPath) {
const npath = rootPath || '*';
if (pkgs[npath])
return pkgs[npath];
let obj = {};
try {
let startDir = rootPath || shim.mainFilename;
if (!rootPath && shim.path.extname(startDir)) {
startDir = shim.path.dirname(startDir);
}
const pkgJsonPath = shim.findUp(startDir, (dir, names) => {
if (names.includes('package.json')) {
return 'package.json';
}
else {
return undefined;
}
});
assertNotStrictEqual(pkgJsonPath, undefined, shim);
obj = JSON.parse(shim.readFileSync(pkgJsonPath, 'utf8'));
}
catch (_noop) { }
pkgs[npath] = obj || {};
return pkgs[npath];
}
let parseFn = null;
let parseContext = null;
self.parse = function parse(args, shortCircuit, _parseFn) {
argsert('[string|array] [function|boolean|object] [function]', [args, shortCircuit, _parseFn], arguments.length);
freeze();
if (typeof args === 'undefined') {
const argv = self._parseArgs(processArgs);
const tmpParsed = self.parsed;
unfreeze();
self.parsed = tmpParsed;
return argv;
}
if (typeof shortCircuit === 'object') {
parseContext = shortCircuit;
shortCircuit = _parseFn;
}
if (typeof shortCircuit === 'function') {
parseFn = shortCircuit;
shortCircuit = false;
}
if (!shortCircuit)
processArgs = args;
if (parseFn)
exitProcess = false;
const parsed = self._parseArgs(args, !!shortCircuit);
completion.setParsed(self.parsed);
if (parseFn)
parseFn(exitError, parsed, output);
unfreeze();
return parsed;
};
self._getParseContext = () => parseContext || {};
self._hasParseCallback = () => !!parseFn;
self.option = self.options = function option(key, opt) {
argsert('<string|object> [object]', [key, opt], arguments.length);
if (typeof key === 'object') {
Object.keys(key).forEach(k => {
self.options(k, key[k]);
});
}
else {
if (typeof opt !== 'object') {
opt = {};
}
options.key[key] = true;
if (opt.alias)
self.alias(key, opt.alias);
const deprecate = opt.deprecate || opt.deprecated;
if (deprecate) {
self.deprecateOption(key, deprecate);
}
const demand = opt.demand || opt.required || opt.require;
if (demand) {
self.demand(key, demand);
}
if (opt.demandOption) {
self.demandOption(key, typeof opt.demandOption === 'string' ? opt.demandOption : undefined);
}
if (opt.conflicts) {
self.conflicts(key, opt.conflicts);
}
if ('default' in opt) {
self.default(key, opt.default);
}
if (opt.implies !== undefined) {
self.implies(key, opt.implies);
}
if (opt.nargs !== undefined) {
self.nargs(key, opt.nargs);
}
if (opt.config) {
self.config(key, opt.configParser);
}
if (opt.normalize) {
self.normalize(key);
}
if (opt.choices) {
self.choices(key, opt.choices);
}
if (opt.coerce) {
self.coerce(key, opt.coerce);
}
if (opt.group) {
self.group(key, opt.group);
}
if (opt.boolean || opt.type === 'boolean') {
self.boolean(key);
if (opt.alias)
self.boolean(opt.alias);
}
if (opt.array || opt.type === 'array') {
self.array(key);
if (opt.alias)
self.array(opt.alias);
}
if (opt.number || opt.type === 'number') {
self.number(key);
if (opt.alias)
self.number(opt.alias);
}
if (opt.string || opt.type === 'string') {
self.string(key);
if (opt.alias)
self.string(opt.alias);
}
if (opt.count || opt.type === 'count') {
self.count(key);
}
if (typeof opt.global === 'boolean') {
self.global(key, opt.global);
}
if (opt.defaultDescription) {
options.defaultDescription[key] = opt.defaultDescription;
}
if (opt.skipValidation) {
self.skipValidation(key);
}
const desc = opt.describe || opt.description || opt.desc;
self.describe(key, desc);
if (opt.hidden) {
self.hide(key);
}
if (opt.requiresArg) {
self.requiresArg(key);
}
}
return self;
};
self.getOptions = () => options;
self.positional = function (key, opts) {
argsert('<string> <object>', [key, opts], arguments.length);
if (context.resets === 0) {
throw new YError(".positional() can only be called in a command's builder function");
}
const supportedOpts = [
'default',
'defaultDescription',
'implies',
'normalize',
'choices',
'conflicts',
'coerce',
'type',
'describe',
'desc',
'description',
'alias',
];
opts = objFilter(opts, (k, v) => {
let accept = supportedOpts.indexOf(k) !== -1;
if (k === 'type' && ['string', 'number', 'boolean'].indexOf(v) === -1)
accept = false;
return accept;
});
const fullCommand = context.fullCommands[context.fullCommands.length - 1];
const parseOptions = fullCommand
? command.cmdToParseOptions(fullCommand)
: {
array: [],
alias: {},
default: {},
demand: {},
};
objectKeys(parseOptions).forEach(pk => {
const parseOption = parseOptions[pk];
if (Array.isArray(parseOption)) {
if (parseOption.indexOf(key) !== -1)
opts[pk] = true;
}
else {
if (parseOption[key] && !(pk in opts))
opts[pk] = parseOption[key];
}
});
self.group(key, usage.getPositionalGroupName());
return self.option(key, opts);
};
self.group = function group(opts, groupName) {
argsert('<string|array> <string>', [opts, groupName], arguments.length);
const existing = preservedGroups[groupName] || groups[groupName];
if (preservedGroups[groupName]) {
delete preservedGroups[groupName];
}
const seen = {};
groups[groupName] = (existing || []).concat(opts).filter(key => {
if (seen[key])
return false;
return (seen[key] = true);
});
return self;
};
self.getGroups = () => Object.assign({}, groups, preservedGroups);
self.env = function (prefix) {
argsert('[string|boolean]', [prefix], arguments.length);
if (prefix === false)
delete options.envPrefix;
else
options.envPrefix = prefix || '';
return self;
};
self.wrap = function (cols) {
argsert('<number|null|undefined>', [cols], arguments.length);
usage.wrap(cols);
return self;
};
let strict = false;
self.strict = function (enabled) {
argsert('[boolean]', [enabled], arguments.length);
strict = enabled !== false;
return self;
};
self.getStrict = () => strict;
let strictCommands = false;
self.strictCommands = function (enabled) {
argsert('[boolean]', [enabled], arguments.length);
strictCommands = enabled !== false;
return self;
};
self.getStrictCommands = () => strictCommands;
let strictOptions = false;
self.strictOptions = function (enabled) {
argsert('[boolean]', [enabled], arguments.length);
strictOptions = enabled !== false;
return self;
};
self.getStrictOptions = () => strictOptions;
let parserConfig = {};
self.parserConfiguration = function parserConfiguration(config) {
argsert('<object>', [config], arguments.length);
parserConfig = config;
return self;
};
self.getParserConfiguration = () => parserConfig;
self.showHelp = function (level) {
argsert('[string|function]', [level], arguments.length);
if (!self.parsed)
self._parseArgs(processArgs);
if (command.hasDefaultCommand()) {
context.resets++;
command.runDefaultBuilderOn(self);
}
usage.showHelp(level);
return self;
};
let versionOpt = null;
self.version = function version(opt, msg, ver) {
const defaultVersionOpt = 'version';
argsert('[boolean|string] [string] [string]', [opt, msg, ver], arguments.length);
if (versionOpt) {
deleteFromParserHintObject(versionOpt);
usage.version(undefined);
versionOpt = null;
}
if (arguments.length === 0) {
ver = guessVersion();
opt = defaultVersionOpt;
}
else if (arguments.length === 1) {
if (opt === false) {
return self;
}
ver = opt;
opt = defaultVersionOpt;
}
else if (arguments.length === 2) {
ver = msg;
msg = undefined;
}
versionOpt = typeof opt === 'string' ? opt : defaultVersionOpt;
msg = msg || usage.deferY18nLookup('Show version number');
usage.version(ver || undefined);
self.boolean(versionOpt);
self.describe(versionOpt, msg);
return self;
};
function guessVersion() {
const obj = pkgUp();
return obj.version || 'unknown';
}
let helpOpt = null;
self.addHelpOpt = self.help = function addHelpOpt(opt, msg) {
const defaultHelpOpt = 'help';
argsert('[string|boolean] [string]', [opt, msg], arguments.length);
if (helpOpt) {
deleteFromParserHintObject(helpOpt);
helpOpt = null;
}
if (arguments.length === 1) {
if (opt === false)
return self;
}
helpOpt = typeof opt === 'string' ? opt : defaultHelpOpt;
self.boolean(helpOpt);
self.describe(helpOpt, msg || usage.deferY18nLookup('Show help'));
return self;
};
const defaultShowHiddenOpt = 'show-hidden';
options.showHiddenOpt = defaultShowHiddenOpt;
self.addShowHiddenOpt = self.showHidden = function addShowHiddenOpt(opt, msg) {
argsert('[string|boolean] [string]', [opt, msg], arguments.length);
if (arguments.length === 1) {
if (opt === false)
return self;
}
const showHiddenOpt = typeof opt === 'string' ? opt : defaultShowHiddenOpt;
self.boolean(showHiddenOpt);
self.describe(showHiddenOpt, msg || usage.deferY18nLookup('Show hidden options'));
options.showHiddenOpt = showHiddenOpt;
return self;
};
self.hide = function hide(key) {
argsert('<string>', [key], arguments.length);
options.hiddenOptions.push(key);
return self;
};
self.showHelpOnFail = function showHelpOnFail(enabled, message) {
argsert('[boolean|string] [string]', [enabled, message], arguments.length);
usage.showHelpOnFail(enabled, message);
return self;
};
let exitProcess = true;
self.exitProcess = function (enabled = true) {
argsert('[boolean]', [enabled], arguments.length);
exitProcess = enabled;
return self;
};
self.getExitProcess = () => exitProcess;
self.showCompletionScript = function ($0, cmd) {
argsert('[string] [string]', [$0, cmd], arguments.length);
$0 = $0 || self.$0;
_logger.log(completion.generateCompletionScript($0, cmd || completionCommand || 'completion'));
return self;
};
self.getCompletion = function (args, done) {
argsert('<array> <function>', [args, done], arguments.length);
completion.getCompletion(args, done);
};
self.locale = function (locale) {
argsert('[string]', [locale], arguments.length);
if (!locale) {
guessLocale();
return y18n.getLocale();
}
detectLocale = false;
y18n.setLocale(locale);
return self;
};
self.updateStrings = self.updateLocale = function (obj) {
argsert('<object>', [obj], arguments.length);
detectLocale = false;
y18n.updateLocale(obj);
return self;
};
let detectLocale = true;
self.detectLocale = function (detect) {
argsert('<boolean>', [detect], arguments.length);
detectLocale = detect;
return self;
};
self.getDetectLocale = () => detectLocale;
const _logger = {
log(...args) {
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | true |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/argsert.js | aws/lti-middleware/node_modules/yargs/build/lib/argsert.js | import { YError } from './yerror.js';
import { parseCommand } from './parse-command.js';
const positionName = ['first', 'second', 'third', 'fourth', 'fifth', 'sixth'];
export function argsert(arg1, arg2, arg3) {
function parseArgs() {
return typeof arg1 === 'object'
? [{ demanded: [], optional: [] }, arg1, arg2]
: [
parseCommand(`cmd ${arg1}`),
arg2,
arg3,
];
}
try {
let position = 0;
const [parsed, callerArguments, _length] = parseArgs();
const args = [].slice.call(callerArguments);
while (args.length && args[args.length - 1] === undefined)
args.pop();
const length = _length || args.length;
if (length < parsed.demanded.length) {
throw new YError(`Not enough arguments provided. Expected ${parsed.demanded.length} but received ${args.length}.`);
}
const totalCommands = parsed.demanded.length + parsed.optional.length;
if (length > totalCommands) {
throw new YError(`Too many arguments provided. Expected max ${totalCommands} but received ${length}.`);
}
parsed.demanded.forEach(demanded => {
const arg = args.shift();
const observedType = guessType(arg);
const matchingTypes = demanded.cmd.filter(type => type === observedType || type === '*');
if (matchingTypes.length === 0)
argumentTypeError(observedType, demanded.cmd, position);
position += 1;
});
parsed.optional.forEach(optional => {
if (args.length === 0)
return;
const arg = args.shift();
const observedType = guessType(arg);
const matchingTypes = optional.cmd.filter(type => type === observedType || type === '*');
if (matchingTypes.length === 0)
argumentTypeError(observedType, optional.cmd, position);
position += 1;
});
}
catch (err) {
console.warn(err.stack);
}
}
function guessType(arg) {
if (Array.isArray(arg)) {
return 'array';
}
else if (arg === null) {
return 'null';
}
return typeof arg;
}
function argumentTypeError(observedType, allowedTypes, position) {
throw new YError(`Invalid ${positionName[position] || 'manyith'} argument. Expected ${allowedTypes.join(' or ')} but received ${observedType}.`);
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/yerror.js | aws/lti-middleware/node_modules/yargs/build/lib/yerror.js | export class YError extends Error {
constructor(msg) {
super(msg || 'yargs error');
this.name = 'YError';
Error.captureStackTrace(this, YError);
}
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/completion.js | aws/lti-middleware/node_modules/yargs/build/lib/completion.js | import { isCommandBuilderCallback } from './command.js';
import { assertNotStrictEqual } from './typings/common-types.js';
import * as templates from './completion-templates.js';
import { isPromise } from './utils/is-promise.js';
import { parseCommand } from './parse-command.js';
export function completion(yargs, usage, command, shim) {
const self = {
completionKey: 'get-yargs-completions',
};
let aliases;
self.setParsed = function setParsed(parsed) {
aliases = parsed.aliases;
};
const zshShell = (shim.getEnv('SHELL') && shim.getEnv('SHELL').indexOf('zsh') !== -1) ||
(shim.getEnv('ZSH_NAME') && shim.getEnv('ZSH_NAME').indexOf('zsh') !== -1);
self.getCompletion = function getCompletion(args, done) {
const completions = [];
const current = args.length ? args[args.length - 1] : '';
const argv = yargs.parse(args, true);
const parentCommands = yargs.getContext().commands;
function runCompletionFunction(argv) {
assertNotStrictEqual(completionFunction, null, shim);
if (isSyncCompletionFunction(completionFunction)) {
const result = completionFunction(current, argv);
if (isPromise(result)) {
return result
.then(list => {
shim.process.nextTick(() => {
done(list);
});
})
.catch(err => {
shim.process.nextTick(() => {
throw err;
});
});
}
return done(result);
}
else {
return completionFunction(current, argv, completions => {
done(completions);
});
}
}
if (completionFunction) {
return isPromise(argv)
? argv.then(runCompletionFunction)
: runCompletionFunction(argv);
}
const handlers = command.getCommandHandlers();
for (let i = 0, ii = args.length; i < ii; ++i) {
if (handlers[args[i]] && handlers[args[i]].builder) {
const builder = handlers[args[i]].builder;
if (isCommandBuilderCallback(builder)) {
const y = yargs.reset();
builder(y);
return y.argv;
}
}
}
if (!current.match(/^-/) &&
parentCommands[parentCommands.length - 1] !== current) {
usage.getCommands().forEach(usageCommand => {
const commandName = parseCommand(usageCommand[0]).cmd;
if (args.indexOf(commandName) === -1) {
if (!zshShell) {
completions.push(commandName);
}
else {
const desc = usageCommand[1] || '';
completions.push(commandName.replace(/:/g, '\\:') + ':' + desc);
}
}
});
}
if (current.match(/^-/) || (current === '' && completions.length === 0)) {
const descs = usage.getDescriptions();
const options = yargs.getOptions();
Object.keys(options.key).forEach(key => {
const negable = !!options.configuration['boolean-negation'] &&
options.boolean.includes(key);
let keyAndAliases = [key].concat(aliases[key] || []);
if (negable)
keyAndAliases = keyAndAliases.concat(keyAndAliases.map(key => `no-${key}`));
function completeOptionKey(key) {
const notInArgs = keyAndAliases.every(val => args.indexOf(`--${val}`) === -1);
if (notInArgs) {
const startsByTwoDashes = (s) => /^--/.test(s);
const isShortOption = (s) => /^[^0-9]$/.test(s);
const dashes = !startsByTwoDashes(current) && isShortOption(key) ? '-' : '--';
if (!zshShell) {
completions.push(dashes + key);
}
else {
const desc = descs[key] || '';
completions.push(dashes +
`${key.replace(/:/g, '\\:')}:${desc.replace('__yargsString__:', '')}`);
}
}
}
completeOptionKey(key);
if (negable && !!options.default[key])
completeOptionKey(`no-${key}`);
});
}
done(completions);
};
self.generateCompletionScript = function generateCompletionScript($0, cmd) {
let script = zshShell
? templates.completionZshTemplate
: templates.completionShTemplate;
const name = shim.path.basename($0);
if ($0.match(/\.js$/))
$0 = `./${$0}`;
script = script.replace(/{{app_name}}/g, name);
script = script.replace(/{{completion_command}}/g, cmd);
return script.replace(/{{app_path}}/g, $0);
};
let completionFunction = null;
self.registerFunction = fn => {
completionFunction = fn;
};
return self;
}
function isSyncCompletionFunction(completionFunction) {
return completionFunction.length < 3;
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/usage.js | aws/lti-middleware/node_modules/yargs/build/lib/usage.js | import { assertNotStrictEqual, } from './typings/common-types.js';
import { objFilter } from './utils/obj-filter.js';
import { YError } from './yerror.js';
import setBlocking from './utils/set-blocking.js';
export function usage(yargs, y18n, shim) {
const __ = y18n.__;
const self = {};
const fails = [];
self.failFn = function failFn(f) {
fails.push(f);
};
let failMessage = null;
let showHelpOnFail = true;
self.showHelpOnFail = function showHelpOnFailFn(arg1 = true, arg2) {
function parseFunctionArgs() {
return typeof arg1 === 'string' ? [true, arg1] : [arg1, arg2];
}
const [enabled, message] = parseFunctionArgs();
failMessage = message;
showHelpOnFail = enabled;
return self;
};
let failureOutput = false;
self.fail = function fail(msg, err) {
const logger = yargs._getLoggerInstance();
if (fails.length) {
for (let i = fails.length - 1; i >= 0; --i) {
fails[i](msg, err, self);
}
}
else {
if (yargs.getExitProcess())
setBlocking(true);
if (!failureOutput) {
failureOutput = true;
if (showHelpOnFail) {
yargs.showHelp('error');
logger.error();
}
if (msg || err)
logger.error(msg || err);
if (failMessage) {
if (msg || err)
logger.error('');
logger.error(failMessage);
}
}
err = err || new YError(msg);
if (yargs.getExitProcess()) {
return yargs.exit(1);
}
else if (yargs._hasParseCallback()) {
return yargs.exit(1, err);
}
else {
throw err;
}
}
};
let usages = [];
let usageDisabled = false;
self.usage = (msg, description) => {
if (msg === null) {
usageDisabled = true;
usages = [];
return self;
}
usageDisabled = false;
usages.push([msg, description || '']);
return self;
};
self.getUsage = () => {
return usages;
};
self.getUsageDisabled = () => {
return usageDisabled;
};
self.getPositionalGroupName = () => {
return __('Positionals:');
};
let examples = [];
self.example = (cmd, description) => {
examples.push([cmd, description || '']);
};
let commands = [];
self.command = function command(cmd, description, isDefault, aliases, deprecated = false) {
if (isDefault) {
commands = commands.map(cmdArray => {
cmdArray[2] = false;
return cmdArray;
});
}
commands.push([cmd, description || '', isDefault, aliases, deprecated]);
};
self.getCommands = () => commands;
let descriptions = {};
self.describe = function describe(keyOrKeys, desc) {
if (Array.isArray(keyOrKeys)) {
keyOrKeys.forEach(k => {
self.describe(k, desc);
});
}
else if (typeof keyOrKeys === 'object') {
Object.keys(keyOrKeys).forEach(k => {
self.describe(k, keyOrKeys[k]);
});
}
else {
descriptions[keyOrKeys] = desc;
}
};
self.getDescriptions = () => descriptions;
let epilogs = [];
self.epilog = msg => {
epilogs.push(msg);
};
let wrapSet = false;
let wrap;
self.wrap = cols => {
wrapSet = true;
wrap = cols;
};
function getWrap() {
if (!wrapSet) {
wrap = windowWidth();
wrapSet = true;
}
return wrap;
}
const deferY18nLookupPrefix = '__yargsString__:';
self.deferY18nLookup = str => deferY18nLookupPrefix + str;
self.help = function help() {
if (cachedHelpMessage)
return cachedHelpMessage;
normalizeAliases();
const base$0 = yargs.customScriptName
? yargs.$0
: shim.path.basename(yargs.$0);
const demandedOptions = yargs.getDemandedOptions();
const demandedCommands = yargs.getDemandedCommands();
const deprecatedOptions = yargs.getDeprecatedOptions();
const groups = yargs.getGroups();
const options = yargs.getOptions();
let keys = [];
keys = keys.concat(Object.keys(descriptions));
keys = keys.concat(Object.keys(demandedOptions));
keys = keys.concat(Object.keys(demandedCommands));
keys = keys.concat(Object.keys(options.default));
keys = keys.filter(filterHiddenOptions);
keys = Object.keys(keys.reduce((acc, key) => {
if (key !== '_')
acc[key] = true;
return acc;
}, {}));
const theWrap = getWrap();
const ui = shim.cliui({
width: theWrap,
wrap: !!theWrap,
});
if (!usageDisabled) {
if (usages.length) {
usages.forEach(usage => {
ui.div(`${usage[0].replace(/\$0/g, base$0)}`);
if (usage[1]) {
ui.div({ text: `${usage[1]}`, padding: [1, 0, 0, 0] });
}
});
ui.div();
}
else if (commands.length) {
let u = null;
if (demandedCommands._) {
u = `${base$0} <${__('command')}>\n`;
}
else {
u = `${base$0} [${__('command')}]\n`;
}
ui.div(`${u}`);
}
}
if (commands.length) {
ui.div(__('Commands:'));
const context = yargs.getContext();
const parentCommands = context.commands.length
? `${context.commands.join(' ')} `
: '';
if (yargs.getParserConfiguration()['sort-commands'] === true) {
commands = commands.sort((a, b) => a[0].localeCompare(b[0]));
}
commands.forEach(command => {
const commandString = `${base$0} ${parentCommands}${command[0].replace(/^\$0 ?/, '')}`;
ui.span({
text: commandString,
padding: [0, 2, 0, 2],
width: maxWidth(commands, theWrap, `${base$0}${parentCommands}`) + 4,
}, { text: command[1] });
const hints = [];
if (command[2])
hints.push(`[${__('default')}]`);
if (command[3] && command[3].length) {
hints.push(`[${__('aliases:')} ${command[3].join(', ')}]`);
}
if (command[4]) {
if (typeof command[4] === 'string') {
hints.push(`[${__('deprecated: %s', command[4])}]`);
}
else {
hints.push(`[${__('deprecated')}]`);
}
}
if (hints.length) {
ui.div({
text: hints.join(' '),
padding: [0, 0, 0, 2],
align: 'right',
});
}
else {
ui.div();
}
});
ui.div();
}
const aliasKeys = (Object.keys(options.alias) || []).concat(Object.keys(yargs.parsed.newAliases) || []);
keys = keys.filter(key => !yargs.parsed.newAliases[key] &&
aliasKeys.every(alias => (options.alias[alias] || []).indexOf(key) === -1));
const defaultGroup = __('Options:');
if (!groups[defaultGroup])
groups[defaultGroup] = [];
addUngroupedKeys(keys, options.alias, groups, defaultGroup);
const isLongSwitch = (sw) => /^--/.test(getText(sw));
const displayedGroups = Object.keys(groups)
.filter(groupName => groups[groupName].length > 0)
.map(groupName => {
const normalizedKeys = groups[groupName]
.filter(filterHiddenOptions)
.map(key => {
if (~aliasKeys.indexOf(key))
return key;
for (let i = 0, aliasKey; (aliasKey = aliasKeys[i]) !== undefined; i++) {
if (~(options.alias[aliasKey] || []).indexOf(key))
return aliasKey;
}
return key;
});
return { groupName, normalizedKeys };
})
.filter(({ normalizedKeys }) => normalizedKeys.length > 0)
.map(({ groupName, normalizedKeys }) => {
const switches = normalizedKeys.reduce((acc, key) => {
acc[key] = [key]
.concat(options.alias[key] || [])
.map(sw => {
if (groupName === self.getPositionalGroupName())
return sw;
else {
return ((/^[0-9]$/.test(sw)
? ~options.boolean.indexOf(key)
? '-'
: '--'
: sw.length > 1
? '--'
: '-') + sw);
}
})
.sort((sw1, sw2) => isLongSwitch(sw1) === isLongSwitch(sw2)
? 0
: isLongSwitch(sw1)
? 1
: -1)
.join(', ');
return acc;
}, {});
return { groupName, normalizedKeys, switches };
});
const shortSwitchesUsed = displayedGroups
.filter(({ groupName }) => groupName !== self.getPositionalGroupName())
.some(({ normalizedKeys, switches }) => !normalizedKeys.every(key => isLongSwitch(switches[key])));
if (shortSwitchesUsed) {
displayedGroups
.filter(({ groupName }) => groupName !== self.getPositionalGroupName())
.forEach(({ normalizedKeys, switches }) => {
normalizedKeys.forEach(key => {
if (isLongSwitch(switches[key])) {
switches[key] = addIndentation(switches[key], '-x, '.length);
}
});
});
}
displayedGroups.forEach(({ groupName, normalizedKeys, switches }) => {
ui.div(groupName);
normalizedKeys.forEach(key => {
const kswitch = switches[key];
let desc = descriptions[key] || '';
let type = null;
if (~desc.lastIndexOf(deferY18nLookupPrefix))
desc = __(desc.substring(deferY18nLookupPrefix.length));
if (~options.boolean.indexOf(key))
type = `[${__('boolean')}]`;
if (~options.count.indexOf(key))
type = `[${__('count')}]`;
if (~options.string.indexOf(key))
type = `[${__('string')}]`;
if (~options.normalize.indexOf(key))
type = `[${__('string')}]`;
if (~options.array.indexOf(key))
type = `[${__('array')}]`;
if (~options.number.indexOf(key))
type = `[${__('number')}]`;
const deprecatedExtra = (deprecated) => typeof deprecated === 'string'
? `[${__('deprecated: %s', deprecated)}]`
: `[${__('deprecated')}]`;
const extra = [
key in deprecatedOptions
? deprecatedExtra(deprecatedOptions[key])
: null,
type,
key in demandedOptions ? `[${__('required')}]` : null,
options.choices && options.choices[key]
? `[${__('choices:')} ${self.stringifiedValues(options.choices[key])}]`
: null,
defaultString(options.default[key], options.defaultDescription[key]),
]
.filter(Boolean)
.join(' ');
ui.span({
text: getText(kswitch),
padding: [0, 2, 0, 2 + getIndentation(kswitch)],
width: maxWidth(switches, theWrap) + 4,
}, desc);
if (extra)
ui.div({ text: extra, padding: [0, 0, 0, 2], align: 'right' });
else
ui.div();
});
ui.div();
});
if (examples.length) {
ui.div(__('Examples:'));
examples.forEach(example => {
example[0] = example[0].replace(/\$0/g, base$0);
});
examples.forEach(example => {
if (example[1] === '') {
ui.div({
text: example[0],
padding: [0, 2, 0, 2],
});
}
else {
ui.div({
text: example[0],
padding: [0, 2, 0, 2],
width: maxWidth(examples, theWrap) + 4,
}, {
text: example[1],
});
}
});
ui.div();
}
if (epilogs.length > 0) {
const e = epilogs
.map(epilog => epilog.replace(/\$0/g, base$0))
.join('\n');
ui.div(`${e}\n`);
}
return ui.toString().replace(/\s*$/, '');
};
function maxWidth(table, theWrap, modifier) {
let width = 0;
if (!Array.isArray(table)) {
table = Object.values(table).map(v => [v]);
}
table.forEach(v => {
width = Math.max(shim.stringWidth(modifier ? `${modifier} ${getText(v[0])}` : getText(v[0])) + getIndentation(v[0]), width);
});
if (theWrap)
width = Math.min(width, parseInt((theWrap * 0.5).toString(), 10));
return width;
}
function normalizeAliases() {
const demandedOptions = yargs.getDemandedOptions();
const options = yargs.getOptions();
(Object.keys(options.alias) || []).forEach(key => {
options.alias[key].forEach(alias => {
if (descriptions[alias])
self.describe(key, descriptions[alias]);
if (alias in demandedOptions)
yargs.demandOption(key, demandedOptions[alias]);
if (~options.boolean.indexOf(alias))
yargs.boolean(key);
if (~options.count.indexOf(alias))
yargs.count(key);
if (~options.string.indexOf(alias))
yargs.string(key);
if (~options.normalize.indexOf(alias))
yargs.normalize(key);
if (~options.array.indexOf(alias))
yargs.array(key);
if (~options.number.indexOf(alias))
yargs.number(key);
});
});
}
let cachedHelpMessage;
self.cacheHelpMessage = function () {
cachedHelpMessage = this.help();
};
self.clearCachedHelpMessage = function () {
cachedHelpMessage = undefined;
};
function addUngroupedKeys(keys, aliases, groups, defaultGroup) {
let groupedKeys = [];
let toCheck = null;
Object.keys(groups).forEach(group => {
groupedKeys = groupedKeys.concat(groups[group]);
});
keys.forEach(key => {
toCheck = [key].concat(aliases[key]);
if (!toCheck.some(k => groupedKeys.indexOf(k) !== -1)) {
groups[defaultGroup].push(key);
}
});
return groupedKeys;
}
function filterHiddenOptions(key) {
return (yargs.getOptions().hiddenOptions.indexOf(key) < 0 ||
yargs.parsed.argv[yargs.getOptions().showHiddenOpt]);
}
self.showHelp = (level) => {
const logger = yargs._getLoggerInstance();
if (!level)
level = 'error';
const emit = typeof level === 'function' ? level : logger[level];
emit(self.help());
};
self.functionDescription = fn => {
const description = fn.name
? shim.Parser.decamelize(fn.name, '-')
: __('generated-value');
return ['(', description, ')'].join('');
};
self.stringifiedValues = function stringifiedValues(values, separator) {
let string = '';
const sep = separator || ', ';
const array = [].concat(values);
if (!values || !array.length)
return string;
array.forEach(value => {
if (string.length)
string += sep;
string += JSON.stringify(value);
});
return string;
};
function defaultString(value, defaultDescription) {
let string = `[${__('default:')} `;
if (value === undefined && !defaultDescription)
return null;
if (defaultDescription) {
string += defaultDescription;
}
else {
switch (typeof value) {
case 'string':
string += `"${value}"`;
break;
case 'object':
string += JSON.stringify(value);
break;
default:
string += value;
}
}
return `${string}]`;
}
function windowWidth() {
const maxWidth = 80;
if (shim.process.stdColumns) {
return Math.min(maxWidth, shim.process.stdColumns);
}
else {
return maxWidth;
}
}
let version = null;
self.version = ver => {
version = ver;
};
self.showVersion = () => {
const logger = yargs._getLoggerInstance();
logger.log(version);
};
self.reset = function reset(localLookup) {
failMessage = null;
failureOutput = false;
usages = [];
usageDisabled = false;
epilogs = [];
examples = [];
commands = [];
descriptions = objFilter(descriptions, k => !localLookup[k]);
return self;
};
const frozens = [];
self.freeze = function freeze() {
frozens.push({
failMessage,
failureOutput,
usages,
usageDisabled,
epilogs,
examples,
commands,
descriptions,
});
};
self.unfreeze = function unfreeze() {
const frozen = frozens.pop();
assertNotStrictEqual(frozen, undefined, shim);
({
failMessage,
failureOutput,
usages,
usageDisabled,
epilogs,
examples,
commands,
descriptions,
} = frozen);
};
return self;
}
function isIndentedText(text) {
return typeof text === 'object';
}
function addIndentation(text, indent) {
return isIndentedText(text)
? { text: text.text, indentation: text.indentation + indent }
: { text, indentation: indent };
}
function getIndentation(text) {
return isIndentedText(text) ? text.indentation : 0;
}
function getText(text) {
return isIndentedText(text) ? text.text : text;
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/command.js | aws/lti-middleware/node_modules/yargs/build/lib/command.js | import { assertNotStrictEqual, } from './typings/common-types.js';
import { isPromise } from './utils/is-promise.js';
import { applyMiddleware, commandMiddlewareFactory, } from './middleware.js';
import { parseCommand } from './parse-command.js';
import { isYargsInstance, } from './yargs-factory.js';
import whichModule from './utils/which-module.js';
const DEFAULT_MARKER = /(^\*)|(^\$0)/;
export function command(yargs, usage, validation, globalMiddleware = [], shim) {
const self = {};
let handlers = {};
let aliasMap = {};
let defaultCommand;
self.addHandler = function addHandler(cmd, description, builder, handler, commandMiddleware, deprecated) {
let aliases = [];
const middlewares = commandMiddlewareFactory(commandMiddleware);
handler = handler || (() => { });
if (Array.isArray(cmd)) {
if (isCommandAndAliases(cmd)) {
[cmd, ...aliases] = cmd;
}
else {
for (const command of cmd) {
self.addHandler(command);
}
}
}
else if (isCommandHandlerDefinition(cmd)) {
let command = Array.isArray(cmd.command) || typeof cmd.command === 'string'
? cmd.command
: moduleName(cmd);
if (cmd.aliases)
command = [].concat(command).concat(cmd.aliases);
self.addHandler(command, extractDesc(cmd), cmd.builder, cmd.handler, cmd.middlewares, cmd.deprecated);
return;
}
else if (isCommandBuilderDefinition(builder)) {
self.addHandler([cmd].concat(aliases), description, builder.builder, builder.handler, builder.middlewares, builder.deprecated);
return;
}
if (typeof cmd === 'string') {
const parsedCommand = parseCommand(cmd);
aliases = aliases.map(alias => parseCommand(alias).cmd);
let isDefault = false;
const parsedAliases = [parsedCommand.cmd].concat(aliases).filter(c => {
if (DEFAULT_MARKER.test(c)) {
isDefault = true;
return false;
}
return true;
});
if (parsedAliases.length === 0 && isDefault)
parsedAliases.push('$0');
if (isDefault) {
parsedCommand.cmd = parsedAliases[0];
aliases = parsedAliases.slice(1);
cmd = cmd.replace(DEFAULT_MARKER, parsedCommand.cmd);
}
aliases.forEach(alias => {
aliasMap[alias] = parsedCommand.cmd;
});
if (description !== false) {
usage.command(cmd, description, isDefault, aliases, deprecated);
}
handlers[parsedCommand.cmd] = {
original: cmd,
description,
handler,
builder: builder || {},
middlewares,
deprecated,
demanded: parsedCommand.demanded,
optional: parsedCommand.optional,
};
if (isDefault)
defaultCommand = handlers[parsedCommand.cmd];
}
};
self.addDirectory = function addDirectory(dir, context, req, callerFile, opts) {
opts = opts || {};
if (typeof opts.recurse !== 'boolean')
opts.recurse = false;
if (!Array.isArray(opts.extensions))
opts.extensions = ['js'];
const parentVisit = typeof opts.visit === 'function' ? opts.visit : (o) => o;
opts.visit = function visit(obj, joined, filename) {
const visited = parentVisit(obj, joined, filename);
if (visited) {
if (~context.files.indexOf(joined))
return visited;
context.files.push(joined);
self.addHandler(visited);
}
return visited;
};
shim.requireDirectory({ require: req, filename: callerFile }, dir, opts);
};
function moduleName(obj) {
const mod = whichModule(obj);
if (!mod)
throw new Error(`No command name given for module: ${shim.inspect(obj)}`);
return commandFromFilename(mod.filename);
}
function commandFromFilename(filename) {
return shim.path.basename(filename, shim.path.extname(filename));
}
function extractDesc({ describe, description, desc, }) {
for (const test of [describe, description, desc]) {
if (typeof test === 'string' || test === false)
return test;
assertNotStrictEqual(test, true, shim);
}
return false;
}
self.getCommands = () => Object.keys(handlers).concat(Object.keys(aliasMap));
self.getCommandHandlers = () => handlers;
self.hasDefaultCommand = () => !!defaultCommand;
self.runCommand = function runCommand(command, yargs, parsed, commandIndex) {
let aliases = parsed.aliases;
const commandHandler = handlers[command] || handlers[aliasMap[command]] || defaultCommand;
const currentContext = yargs.getContext();
let numFiles = currentContext.files.length;
const parentCommands = currentContext.commands.slice();
let innerArgv = parsed.argv;
let positionalMap = {};
if (command) {
currentContext.commands.push(command);
currentContext.fullCommands.push(commandHandler.original);
}
const builder = commandHandler.builder;
if (isCommandBuilderCallback(builder)) {
const builderOutput = builder(yargs.reset(parsed.aliases));
const innerYargs = isYargsInstance(builderOutput) ? builderOutput : yargs;
if (shouldUpdateUsage(innerYargs)) {
innerYargs
.getUsageInstance()
.usage(usageFromParentCommandsCommandHandler(parentCommands, commandHandler), commandHandler.description);
}
innerArgv = innerYargs._parseArgs(null, null, true, commandIndex);
aliases = innerYargs.parsed.aliases;
}
else if (isCommandBuilderOptionDefinitions(builder)) {
const innerYargs = yargs.reset(parsed.aliases);
if (shouldUpdateUsage(innerYargs)) {
innerYargs
.getUsageInstance()
.usage(usageFromParentCommandsCommandHandler(parentCommands, commandHandler), commandHandler.description);
}
Object.keys(commandHandler.builder).forEach(key => {
innerYargs.option(key, builder[key]);
});
innerArgv = innerYargs._parseArgs(null, null, true, commandIndex);
aliases = innerYargs.parsed.aliases;
}
if (!yargs._hasOutput()) {
positionalMap = populatePositionals(commandHandler, innerArgv, currentContext);
}
const middlewares = globalMiddleware
.slice(0)
.concat(commandHandler.middlewares);
applyMiddleware(innerArgv, yargs, middlewares, true);
if (!yargs._hasOutput()) {
yargs._runValidation(innerArgv, aliases, positionalMap, yargs.parsed.error, !command);
}
if (commandHandler.handler && !yargs._hasOutput()) {
yargs._setHasOutput();
const populateDoubleDash = !!yargs.getOptions().configuration['populate--'];
yargs._postProcess(innerArgv, populateDoubleDash);
innerArgv = applyMiddleware(innerArgv, yargs, middlewares, false);
let handlerResult;
if (isPromise(innerArgv)) {
handlerResult = innerArgv.then(argv => commandHandler.handler(argv));
}
else {
handlerResult = commandHandler.handler(innerArgv);
}
const handlerFinishCommand = yargs.getHandlerFinishCommand();
if (isPromise(handlerResult)) {
yargs.getUsageInstance().cacheHelpMessage();
handlerResult
.then(value => {
if (handlerFinishCommand) {
handlerFinishCommand(value);
}
})
.catch(error => {
try {
yargs.getUsageInstance().fail(null, error);
}
catch (err) {
}
})
.then(() => {
yargs.getUsageInstance().clearCachedHelpMessage();
});
}
else {
if (handlerFinishCommand) {
handlerFinishCommand(handlerResult);
}
}
}
if (command) {
currentContext.commands.pop();
currentContext.fullCommands.pop();
}
numFiles = currentContext.files.length - numFiles;
if (numFiles > 0)
currentContext.files.splice(numFiles * -1, numFiles);
return innerArgv;
};
function shouldUpdateUsage(yargs) {
return (!yargs.getUsageInstance().getUsageDisabled() &&
yargs.getUsageInstance().getUsage().length === 0);
}
function usageFromParentCommandsCommandHandler(parentCommands, commandHandler) {
const c = DEFAULT_MARKER.test(commandHandler.original)
? commandHandler.original.replace(DEFAULT_MARKER, '').trim()
: commandHandler.original;
const pc = parentCommands.filter(c => {
return !DEFAULT_MARKER.test(c);
});
pc.push(c);
return `$0 ${pc.join(' ')}`;
}
self.runDefaultBuilderOn = function (yargs) {
assertNotStrictEqual(defaultCommand, undefined, shim);
if (shouldUpdateUsage(yargs)) {
const commandString = DEFAULT_MARKER.test(defaultCommand.original)
? defaultCommand.original
: defaultCommand.original.replace(/^[^[\]<>]*/, '$0 ');
yargs.getUsageInstance().usage(commandString, defaultCommand.description);
}
const builder = defaultCommand.builder;
if (isCommandBuilderCallback(builder)) {
builder(yargs);
}
else if (!isCommandBuilderDefinition(builder)) {
Object.keys(builder).forEach(key => {
yargs.option(key, builder[key]);
});
}
};
function populatePositionals(commandHandler, argv, context) {
argv._ = argv._.slice(context.commands.length);
const demanded = commandHandler.demanded.slice(0);
const optional = commandHandler.optional.slice(0);
const positionalMap = {};
validation.positionalCount(demanded.length, argv._.length);
while (demanded.length) {
const demand = demanded.shift();
populatePositional(demand, argv, positionalMap);
}
while (optional.length) {
const maybe = optional.shift();
populatePositional(maybe, argv, positionalMap);
}
argv._ = context.commands.concat(argv._.map(a => '' + a));
postProcessPositionals(argv, positionalMap, self.cmdToParseOptions(commandHandler.original));
return positionalMap;
}
function populatePositional(positional, argv, positionalMap) {
const cmd = positional.cmd[0];
if (positional.variadic) {
positionalMap[cmd] = argv._.splice(0).map(String);
}
else {
if (argv._.length)
positionalMap[cmd] = [String(argv._.shift())];
}
}
function postProcessPositionals(argv, positionalMap, parseOptions) {
const options = Object.assign({}, yargs.getOptions());
options.default = Object.assign(parseOptions.default, options.default);
for (const key of Object.keys(parseOptions.alias)) {
options.alias[key] = (options.alias[key] || []).concat(parseOptions.alias[key]);
}
options.array = options.array.concat(parseOptions.array);
options.config = {};
const unparsed = [];
Object.keys(positionalMap).forEach(key => {
positionalMap[key].map(value => {
if (options.configuration['unknown-options-as-args'])
options.key[key] = true;
unparsed.push(`--${key}`);
unparsed.push(value);
});
});
if (!unparsed.length)
return;
const config = Object.assign({}, options.configuration, {
'populate--': true,
});
const parsed = shim.Parser.detailed(unparsed, Object.assign({}, options, {
configuration: config,
}));
if (parsed.error) {
yargs.getUsageInstance().fail(parsed.error.message, parsed.error);
}
else {
const positionalKeys = Object.keys(positionalMap);
Object.keys(positionalMap).forEach(key => {
positionalKeys.push(...parsed.aliases[key]);
});
Object.keys(parsed.argv).forEach(key => {
if (positionalKeys.indexOf(key) !== -1) {
if (!positionalMap[key])
positionalMap[key] = parsed.argv[key];
argv[key] = parsed.argv[key];
}
});
}
}
self.cmdToParseOptions = function (cmdString) {
const parseOptions = {
array: [],
default: {},
alias: {},
demand: {},
};
const parsed = parseCommand(cmdString);
parsed.demanded.forEach(d => {
const [cmd, ...aliases] = d.cmd;
if (d.variadic) {
parseOptions.array.push(cmd);
parseOptions.default[cmd] = [];
}
parseOptions.alias[cmd] = aliases;
parseOptions.demand[cmd] = true;
});
parsed.optional.forEach(o => {
const [cmd, ...aliases] = o.cmd;
if (o.variadic) {
parseOptions.array.push(cmd);
parseOptions.default[cmd] = [];
}
parseOptions.alias[cmd] = aliases;
});
return parseOptions;
};
self.reset = () => {
handlers = {};
aliasMap = {};
defaultCommand = undefined;
return self;
};
const frozens = [];
self.freeze = () => {
frozens.push({
handlers,
aliasMap,
defaultCommand,
});
};
self.unfreeze = () => {
const frozen = frozens.pop();
assertNotStrictEqual(frozen, undefined, shim);
({ handlers, aliasMap, defaultCommand } = frozen);
};
return self;
}
export function isCommandBuilderDefinition(builder) {
return (typeof builder === 'object' &&
!!builder.builder &&
typeof builder.handler === 'function');
}
function isCommandAndAliases(cmd) {
if (cmd.every(c => typeof c === 'string')) {
return true;
}
else {
return false;
}
}
export function isCommandBuilderCallback(builder) {
return typeof builder === 'function';
}
function isCommandBuilderOptionDefinitions(builder) {
return typeof builder === 'object';
}
export function isCommandHandlerDefinition(cmd) {
return typeof cmd === 'object' && !Array.isArray(cmd);
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/parse-command.js | aws/lti-middleware/node_modules/yargs/build/lib/parse-command.js | export function parseCommand(cmd) {
const extraSpacesStrippedCommand = cmd.replace(/\s{2,}/g, ' ');
const splitCommand = extraSpacesStrippedCommand.split(/\s+(?![^[]*]|[^<]*>)/);
const bregex = /\.*[\][<>]/g;
const firstCommand = splitCommand.shift();
if (!firstCommand)
throw new Error(`No command found in: ${cmd}`);
const parsedCommand = {
cmd: firstCommand.replace(bregex, ''),
demanded: [],
optional: [],
};
splitCommand.forEach((cmd, i) => {
let variadic = false;
cmd = cmd.replace(/\s/g, '');
if (/\.+[\]>]/.test(cmd) && i === splitCommand.length - 1)
variadic = true;
if (/^\[/.test(cmd)) {
parsedCommand.optional.push({
cmd: cmd.replace(bregex, '').split('|'),
variadic,
});
}
else {
parsedCommand.demanded.push({
cmd: cmd.replace(bregex, '').split('|'),
variadic,
});
}
});
return parsedCommand;
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
CAHLR/OATutor | https://github.com/CAHLR/OATutor/blob/10a5baf153a505267af8045b05c217b4be6bd8b4/aws/lti-middleware/node_modules/yargs/build/lib/utils/process-argv.js | aws/lti-middleware/node_modules/yargs/build/lib/utils/process-argv.js | function getProcessArgvBinIndex() {
if (isBundledElectronApp())
return 0;
return 1;
}
function isBundledElectronApp() {
return isElectronApp() && !process.defaultApp;
}
function isElectronApp() {
return !!process.versions.electron;
}
export function hideBin(argv) {
return argv.slice(getProcessArgvBinIndex() + 1);
}
export function getProcessArgvBin() {
return process.argv[getProcessArgvBinIndex()];
}
| javascript | MIT | 10a5baf153a505267af8045b05c217b4be6bd8b4 | 2026-01-05T03:39:09.711315Z | false |
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