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grunt-systemjs-builder

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grunt task for building projects based on systemjs

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/* */ "format global"; "exports babel";  (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.babel = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){ // http://wiki.commonjs.org/wiki/Unit_Testing/1.0 // // THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8! // // Originally from narwhal.js (http://narwhaljs.org) // Copyright (c) 2009 Thomas Robinson <280north.com> // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the 'Software'), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // when used in node, this will actually load the util module we depend on // versus loading the builtin util module as happens otherwise // this is a bug in node module loading as far as I am concerned var util = _dereq_(13); var pSlice = Array.prototype.slice; var hasOwn = Object.prototype.hasOwnProperty; // 1. The assert module provides functions that throw // AssertionError's when particular conditions are not met. The // assert module must conform to the following interface. var assert = module.exports = ok; // 2. The AssertionError is defined in assert. // new assert.AssertionError({ message: message, // actual: actual, // expected: expected }) assert.AssertionError = function AssertionError(options) { this.name = 'AssertionError'; this.actual = options.actual; this.expected = options.expected; this.operator = options.operator; if (options.message) { this.message = options.message; this.generatedMessage = false; } else { this.message = getMessage(this); this.generatedMessage = true; } var stackStartFunction = options.stackStartFunction || fail; if (Error.captureStackTrace) { Error.captureStackTrace(this, stackStartFunction); } else { // non v8 browsers so we can have a stacktrace var err = new Error(); if (err.stack) { var out = err.stack; // try to strip useless frames var fn_name = stackStartFunction.name; var idx = out.indexOf('\n' + fn_name); if (idx >= 0) { // once we have located the function frame // we need to strip out everything before it (and its line) var next_line = out.indexOf('\n', idx + 1); out = out.substring(next_line + 1); } this.stack = out; } } }; // assert.AssertionError instanceof Error util.inherits(assert.AssertionError, Error); function replacer(key, value) { if (util.isUndefined(value)) { return '' + value; } if (util.isNumber(value) && !isFinite(value)) { return value.toString(); } if (util.isFunction(value) || util.isRegExp(value)) { return value.toString(); } return value; } function truncate(s, n) { if (util.isString(s)) { return s.length < n ? s : s.slice(0, n); } else { return s; } } function getMessage(self) { return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' + self.operator + ' ' + truncate(JSON.stringify(self.expected, replacer), 128); } // At present only the three keys mentioned above are used and // understood by the spec. Implementations or sub modules can pass // other keys to the AssertionError's constructor - they will be // ignored. // 3. All of the following functions must throw an AssertionError // when a corresponding condition is not met, with a message that // may be undefined if not provided. All assertion methods provide // both the actual and expected values to the assertion error for // display purposes. function fail(actual, expected, message, operator, stackStartFunction) { throw new assert.AssertionError({ message: message, actual: actual, expected: expected, operator: operator, stackStartFunction: stackStartFunction }); } // EXTENSION! allows for well behaved errors defined elsewhere. assert.fail = fail; // 4. Pure assertion tests whether a value is truthy, as determined // by !!guard. // assert.ok(guard, message_opt); // This statement is equivalent to assert.equal(true, !!guard, // message_opt);. To test strictly for the value true, use // assert.strictEqual(true, guard, message_opt);. function ok(value, message) { if (!value) fail(value, true, message, '==', assert.ok); } assert.ok = ok; // 5. The equality assertion tests shallow, coercive equality with // ==. // assert.equal(actual, expected, message_opt); assert.equal = function equal(actual, expected, message) { if (actual != expected) fail(actual, expected, message, '==', assert.equal); }; // 6. The non-equality assertion tests for whether two objects are not equal // with != assert.notEqual(actual, expected, message_opt); assert.notEqual = function notEqual(actual, expected, message) { if (actual == expected) { fail(actual, expected, message, '!=', assert.notEqual); } }; // 7. The equivalence assertion tests a deep equality relation. // assert.deepEqual(actual, expected, message_opt); assert.deepEqual = function deepEqual(actual, expected, message) { if (!_deepEqual(actual, expected)) { fail(actual, expected, message, 'deepEqual', assert.deepEqual); } }; function _deepEqual(actual, expected) { // 7.1. All identical values are equivalent, as determined by ===. if (actual === expected) { return true; } else if (util.isBuffer(actual) && util.isBuffer(expected)) { if (actual.length != expected.length) return false; for (var i = 0; i < actual.length; i++) { if (actual[i] !== expected[i]) return false; } return true; // 7.2. If the expected value is a Date object, the actual value is // equivalent if it is also a Date object that refers to the same time. } else if (util.isDate(actual) && util.isDate(expected)) { return actual.getTime() === expected.getTime(); // 7.3 If the expected value is a RegExp object, the actual value is // equivalent if it is also a RegExp object with the same source and // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`). } else if (util.isRegExp(actual) && util.isRegExp(expected)) { return actual.source === expected.source && actual.global === expected.global && actual.multiline === expected.multiline && actual.lastIndex === expected.lastIndex && actual.ignoreCase === expected.ignoreCase; // 7.4. Other pairs that do not both pass typeof value == 'object', // equivalence is determined by ==. } else if (!util.isObject(actual) && !util.isObject(expected)) { return actual == expected; // 7.5 For all other Object pairs, including Array objects, equivalence is // determined by having the same number of owned properties (as verified // with Object.prototype.hasOwnProperty.call), the same set of keys // (although not necessarily the same order), equivalent values for every // corresponding key, and an identical 'prototype' property. Note: this // accounts for both named and indexed properties on Arrays. } else { return objEquiv(actual, expected); } } function isArguments(object) { return Object.prototype.toString.call(object) == '[object Arguments]'; } function objEquiv(a, b) { if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b)) return false; // an identical 'prototype' property. if (a.prototype !== b.prototype) return false; // if one is a primitive, the other must be same if (util.isPrimitive(a) || util.isPrimitive(b)) { return a === b; } var aIsArgs = isArguments(a), bIsArgs = isArguments(b); if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs)) return false; if (aIsArgs) { a = pSlice.call(a); b = pSlice.call(b); return _deepEqual(a, b); } var ka = objectKeys(a), kb = objectKeys(b), key, i; // having the same number of owned properties (keys incorporates // hasOwnProperty) if (ka.length != kb.length) return false; //the same set of keys (although not necessarily the same order), ka.sort(); kb.sort(); //~~~cheap key test for (i = ka.length - 1; i >= 0; i--) { if (ka[i] != kb[i]) return false; } //equivalent values for every corresponding key, and //~~~possibly expensive deep test for (i = ka.length - 1; i >= 0; i--) { key = ka[i]; if (!_deepEqual(a[key], b[key])) return false; } return true; } // 8. The non-equivalence assertion tests for any deep inequality. // assert.notDeepEqual(actual, expected, message_opt); assert.notDeepEqual = function notDeepEqual(actual, expected, message) { if (_deepEqual(actual, expected)) { fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual); } }; // 9. The strict equality assertion tests strict equality, as determined by ===. // assert.strictEqual(actual, expected, message_opt); assert.strictEqual = function strictEqual(actual, expected, message) { if (actual !== expected) { fail(actual, expected, message, '===', assert.strictEqual); } }; // 10. The strict non-equality assertion tests for strict inequality, as // determined by !==. assert.notStrictEqual(actual, expected, message_opt); assert.notStrictEqual = function notStrictEqual(actual, expected, message) { if (actual === expected) { fail(actual, expected, message, '!==', assert.notStrictEqual); } }; function expectedException(actual, expected) { if (!actual || !expected) { return false; } if (Object.prototype.toString.call(expected) == '[object RegExp]') { return expected.test(actual); } else if (actual instanceof expected) { return true; } else if (expected.call({}, actual) === true) { return true; } return false; } function _throws(shouldThrow, block, expected, message) { var actual; if (util.isString(expected)) { message = expected; expected = null; } try { block(); } catch (e) { actual = e; } message = (expected && expected.name ? ' (' + expected.name + ').' : '.') + (message ? ' ' + message : '.'); if (shouldThrow && !actual) { fail(actual, expected, 'Missing expected exception' + message); } if (!shouldThrow && expectedException(actual, expected)) { fail(actual, expected, 'Got unwanted exception' + message); } if ((shouldThrow && actual && expected && !expectedException(actual, expected)) || (!shouldThrow && actual)) { throw actual; } } // 11. Expected to throw an error: // assert.throws(block, Error_opt, message_opt); assert.throws = function(block, /*optional*/error, /*optional*/message) { _throws.apply(this, [true].concat(pSlice.call(arguments))); }; // EXTENSION! This is annoying to write outside this module. assert.doesNotThrow = function(block, /*optional*/message) { _throws.apply(this, [false].concat(pSlice.call(arguments))); }; assert.ifError = function(err) { if (err) {throw err;}}; var objectKeys = Object.keys || function (obj) { var keys = []; for (var key in obj) { if (hasOwn.call(obj, key)) keys.push(key); } return keys; }; },{"13":13}],2:[function(_dereq_,module,exports){ var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; ;(function (exports) { 'use strict'; var Arr = (typeof Uint8Array !== 'undefined') ? Uint8Array : Array var PLUS = '+'.charCodeAt(0) var SLASH = '/'.charCodeAt(0) var NUMBER = '0'.charCodeAt(0) var LOWER = 'a'.charCodeAt(0) var UPPER = 'A'.charCodeAt(0) var PLUS_URL_SAFE = '-'.charCodeAt(0) var SLASH_URL_SAFE = '_'.charCodeAt(0) function decode (elt) { var code = elt.charCodeAt(0) if (code === PLUS || code === PLUS_URL_SAFE) return 62 // '+' if (code === SLASH || code === SLASH_URL_SAFE) return 63 // '/' if (code < NUMBER) return -1 //no match if (code < NUMBER + 10) return code - NUMBER + 26 + 26 if (code < UPPER + 26) return code - UPPER if (code < LOWER + 26) return code - LOWER + 26 } function b64ToByteArray (b64) { var i, j, l, tmp, placeHolders, arr if (b64.length % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // the number of equal signs (place holders) // if there are two placeholders, than the two characters before it // represent one byte // if there is only one, then the three characters before it represent 2 bytes // this is just a cheap hack to not do indexOf twice var len = b64.length placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 // base64 is 4/3 + up to two characters of the original data arr = new Arr(b64.length * 3 / 4 - placeHolders) // if there are placeholders, only get up to the last complete 4 chars l = placeHolders > 0 ? b64.length - 4 : b64.length var L = 0 function push (v) { arr[L++] = v } for (i = 0, j = 0; i < l; i += 4, j += 3) { tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) push((tmp & 0xFF0000) >> 16) push((tmp & 0xFF00) >> 8) push(tmp & 0xFF) } if (placeHolders === 2) { tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) push(tmp & 0xFF) } else if (placeHolders === 1) { tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) push((tmp >> 8) & 0xFF) push(tmp & 0xFF) } return arr } function uint8ToBase64 (uint8) { var i, extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes output = "", temp, length function encode (num) { return lookup.charAt(num) } function tripletToBase64 (num) { return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) } // go through the array every three bytes, we'll deal with trailing stuff later for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) output += tripletToBase64(temp) } // pad the end with zeros, but make sure to not forget the extra bytes switch (extraBytes) { case 1: temp = uint8[uint8.length - 1] output += encode(temp >> 2) output += encode((temp << 4) & 0x3F) output += '==' break case 2: temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) output += encode(temp >> 10) output += encode((temp >> 4) & 0x3F) output += encode((temp << 2) & 0x3F) output += '=' break } return output } exports.toByteArray = b64ToByteArray exports.fromByteArray = uint8ToBase64 }(typeof exports === 'undefined' ? (this.base64js = {}) : exports)) },{}],3:[function(_dereq_,module,exports){ },{}],4:[function(_dereq_,module,exports){ (function (global){ /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org> * @license MIT */ /* eslint-disable no-proto */ var base64 = _dereq_(2) var ieee754 = _dereq_(5) var isArray = _dereq_(7) exports.Buffer = Buffer exports.SlowBuffer = SlowBuffer exports.INSPECT_MAX_BYTES = 50 Buffer.poolSize = 8192 // not used by this implementation var rootParent = {} /** * If `Buffer.TYPED_ARRAY_SUPPORT`: * === true Use Uint8Array implementation (fastest) * === false Use Object implementation (most compatible, even IE6) * * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, * Opera 11.6+, iOS 4.2+. * * Due to various browser bugs, sometimes the Object implementation will be used even * when the browser supports typed arrays. * * Note: * * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances, * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. * * - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property * on objects. * * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. * * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of * incorrect length in some situations. * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they * get the Object implementation, which is slower but behaves correctly. */ Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined ? global.TYPED_ARRAY_SUPPORT : typedArraySupport() function typedArraySupport () { function Bar () {} try { var arr = new Uint8Array(1) arr.foo = function () { return 42 } arr.constructor = Bar return arr.foo() === 42 && // typed array instances can be augmented arr.constructor === Bar && // constructor can be set typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray` arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray` } catch (e) { return false } } function kMaxLength () { return Buffer.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff } /** * Class: Buffer * ============= * * The Buffer constructor returns instances of `Uint8Array` that are augmented * with function properties for all the node `Buffer` API functions. We use * `Uint8Array` so that square bracket notation works as expected -- it returns * a single octet. * * By augmenting the instances, we can avoid modifying the `Uint8Array` * prototype. */ function Buffer (arg) { if (!(this instanceof Buffer)) { // Avoid going through an ArgumentsAdaptorTrampoline in the common case. if (arguments.length > 1) return new Buffer(arg, arguments[1]) return new Buffer(arg) } this.length = 0 this.parent = undefined // Common case. if (typeof arg === 'number') { return fromNumber(this, arg) } // Slightly less common case. if (typeof arg === 'string') { return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8') } // Unusual. return fromObject(this, arg) } function fromNumber (that, length) { that = allocate(that, length < 0 ? 0 : checked(length) | 0) if (!Buffer.TYPED_ARRAY_SUPPORT) { for (var i = 0; i < length; i++) { that[i] = 0 } } return that } function fromString (that, string, encoding) { if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8' // Assumption: byteLength() return value is always < kMaxLength. var length = byteLength(string, encoding) | 0 that = allocate(that, length) that.write(string, encoding) return that } function fromObject (that, object) { if (Buffer.isBuffer(object)) return fromBuffer(that, object) if (isArray(object)) return fromArray(that, object) if (object == null) { throw new TypeError('must start with number, buffer, array or string') } if (typeof ArrayBuffer !== 'undefined') { if (object.buffer instanceof ArrayBuffer) { return fromTypedArray(that, object) } if (object instanceof ArrayBuffer) { return fromArrayBuffer(that, object) } } if (object.length) return fromArrayLike(that, object) return fromJsonObject(that, object) } function fromBuffer (that, buffer) { var length = checked(buffer.length) | 0 that = allocate(that, length) buffer.copy(that, 0, 0, length) return that } function fromArray (that, array) { var length = checked(array.length) | 0 that = allocate(that, length) for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } // Duplicate of fromArray() to keep fromArray() monomorphic. function fromTypedArray (that, array) { var length = checked(array.length) | 0 that = allocate(that, length) // Truncating the elements is probably not what people expect from typed // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior // of the old Buffer constructor. for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } function fromArrayBuffer (that, array) { if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance array.byteLength that = Buffer._augment(new Uint8Array(array)) } else { // Fallback: Return an object instance of the Buffer class that = fromTypedArray(that, new Uint8Array(array)) } return that } function fromArrayLike (that, array) { var length = checked(array.length) | 0 that = allocate(that, length) for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } // Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object. // Returns a zero-length buffer for inputs that don't conform to the spec. function fromJsonObject (that, object) { var array var length = 0 if (object.type === 'Buffer' && isArray(object.data)) { array = object.data length = checked(array.length) | 0 } that = allocate(that, length) for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } if (Buffer.TYPED_ARRAY_SUPPORT) { Buffer.prototype.__proto__ = Uint8Array.prototype Buffer.__proto__ = Uint8Array } function allocate (that, length) { if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance that = Buffer._augment(new Uint8Array(length)) that.__proto__ = Buffer.prototype } else { // Fallback: Return an object instance of the Buffer class that.length = length that._isBuffer = true } var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1 if (fromPool) that.parent = rootParent return that } function checked (length) { // Note: cannot use `length < kMaxLength` here because that fails when // length is NaN (which is otherwise coerced to zero.) if (length >= kMaxLength()) { throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength().toString(16) + ' bytes') } return length | 0 } function SlowBuffer (subject, encoding) { if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding) var buf = new Buffer(subject, encoding) delete buf.parent return buf } Buffer.isBuffer = function isBuffer (b) { return !!(b != null && b._isBuffer) } Buffer.compare = function compare (a, b) { if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { throw new TypeError('Arguments must be Buffers') } if (a === b) return 0 var x = a.length var y = b.length var i = 0 var len = Math.min(x, y) while (i < len) { if (a[i] !== b[i]) break ++i } if (i !== len) { x = a[i] y = b[i] } if (x < y) return -1 if (y < x) return 1 return 0 } Buffer.isEncoding = function isEncoding (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'raw': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.concat = function concat (list, length) { if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.') if (list.length === 0) { return new Buffer(0) } var i if (length === undefined) { length = 0 for (i = 0; i < list.length; i++) { length += list[i].length } } var buf = new Buffer(length) var pos = 0 for (i = 0; i < list.length; i++) { var item = list[i] item.copy(buf, pos) pos += item.length } return buf } function byteLength (string, encoding) { if (typeof string !== 'string') string = '' + string var len = string.length if (len === 0) return 0 // Use a for loop to avoid recursion var loweredCase = false for (;;) { switch (encoding) { case 'ascii': case 'binary': // Deprecated case 'raw': case 'raws': return len case 'utf8': case 'utf-8': return utf8ToBytes(string).length case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return len * 2 case 'hex': return len >>> 1 case 'base64': return base64ToBytes(string).length default: if (loweredCase) return utf8ToBytes(string).length // assume utf8 encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.byteLength = byteLength // pre-set for values that may exist in the future Buffer.prototype.length = undefined Buffer.prototype.parent = undefined function slowToString (encoding, start, end) { var loweredCase = false start = start | 0 end = end === undefined || end === Infinity ? this.length : end | 0 if (!encoding) encoding = 'utf8' if (start < 0) start = 0 if (end > this.length) end = this.length if (end <= start) return '' while (true) { switch (encoding) { case 'hex': return hexSlice(this, start, end) case 'utf8': case 'utf-8': return utf8Slice(this, start, end) case 'ascii': return asciiSlice(this, start, end) case 'binary': return binarySlice(this, start, end) case 'base64': return base64Slice(this, start, end) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return utf16leSlice(this, start, end) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = (encoding + '').toLowerCase() loweredCase = true } } } Buffer.prototype.toString = function toString () { var length = this.length | 0 if (length === 0) return '' if (arguments.length === 0) return utf8Slice(this, 0, length) return slowToString.apply(this, arguments) } Buffer.prototype.equals = function equals (b) { if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') if (this === b) return true return Buffer.compare(this, b) === 0 } Buffer.prototype.inspect = function inspect () { var str = '' var max = exports.INSPECT_MAX_BYTES if (this.length > 0) { str = this.toString('hex', 0, max).match(/.{2}/g).join(' ') if (this.length > max) str += ' ... ' } return '<Buffer ' + str + '>' } Buffer.prototype.compare = function compare (b) { if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') if (this === b) return 0 return Buffer.compare(this, b) } Buffer.prototype.indexOf = function indexOf (val, byteOffset) { if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff else if (byteOffset < -0x80000000) byteOffset = -0x80000000 byteOffset >>= 0 if (this.length === 0) return -1 if (byteOffset >= this.length) return -1 // Negative offsets start from the end of the buffer if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0) if (typeof val === 'string') { if (val.length === 0) return -1 // special case: looking for empty string always fails return String.prototype.indexOf.call(this, val, byteOffset) } if (Buffer.isBuffer(val)) { return arrayIndexOf(this, val, byteOffset) } if (typeof val === 'number') { if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') { return Uint8Array.prototype.indexOf.call(this, val, byteOffset) } return arrayIndexOf(this, [ val ], byteOffset) } function arrayIndexOf (arr, val, byteOffset) { var foundIndex = -1 for (var i = 0; byteOffset + i < arr.length; i++) { if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) { if (foundIndex === -1) foundIndex = i if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex } else { foundIndex = -1 } } return -1 } throw new TypeError('val must be string, number or Buffer') } // `get` is deprecated Buffer.prototype.get = function get (offset) { console.log('.get() is deprecated. Access using array indexes instead.') return this.readUInt8(offset) } // `set` is deprecated Buffer.prototype.set = function set (v, offset) { console.log('.set() is deprecated. Access using array indexes instead.') return this.writeUInt8(v, offset) } function hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 var remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } // must be an even number of digits var strLen = string.length if (strLen % 2 !== 0) throw new Error('Invalid hex string') if (length > strLen / 2) { length = strLen / 2 } for (var i = 0; i < length; i++) { var parsed = parseInt(string.substr(i * 2, 2), 16) if (isNaN(parsed)) throw new Error('Invalid hex string') buf[offset + i] = parsed } return i } function utf8Write (buf, string, offset, length) { return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) } function asciiWrite (buf, string, offset, length) { return blitBuffer(asciiToBytes(string), buf, offset, length) } function binaryWrite (buf, string, offset, length) { return asciiWrite(buf, string, offset, length) } function base64Write (buf, string, offset, length) { return blitBuffer(base64ToBytes(string), buf, offset, length) } function ucs2Write (buf, string, offset, length) { return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) } Buffer.prototype.write = function write (string, offset, length, encoding) { // Buffer#write(string) if (offset === undefined) { encoding = 'utf8' length = this.length offset = 0 // Buffer#write(string, encoding) } else if (length === undefined && typeof offset === 'string') { encoding = offset length = this.length offset = 0 // Buffer#write(string, offset[, length][, encoding]) } else if (isFinite(offset)) { offset = offset | 0 if (isFinite(length)) { length = length | 0 if (encoding === undefined) encoding = 'utf8' } else { encoding = length length = undefined } // legacy write(string, encoding, offset, length) - remove in v0.13 } else { var swap = encoding encoding = offset offset = length | 0 length = swap } var remaining = this.length - offset if (length === undefined || length > remaining) length = remaining if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { throw new RangeError('attempt to write outside buffer bounds') } if (!encoding) encoding = 'utf8' var loweredCase = false for (;;) { switch (encoding) { case 'hex': return hexWrite(this, string, offset, length) case 'utf8': case 'utf-8': return utf8Write(this, string, offset, length) case 'ascii': return asciiWrite(this, string, offset, length) case 'binary': return binaryWrite(this, string, offset, length) case 'base64': // Warning: maxLength not taken into account in base64Write return base64Write(this, string, offset, length) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return ucs2Write(this, string, offset, length) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.prototype.toJSON = function toJSON () { return { type: 'Buffer', data: Array.prototype.slice.call(this._arr || this, 0) } } function base64Slice (buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf) } else { return base64.fromByteArray(buf.slice(start, end)) } } function utf8Slice (buf, start, end) { end = Math.min(buf.length, end) var res = [] var i = start while (i < end) { var firstByte = buf[i] var codePoint = null var bytesPerSequence = (firstByte > 0xEF) ? 4 : (firstByte > 0xDF) ? 3 : (firstByte > 0xBF) ? 2 : 1 if (i + bytesPerSequence <= end) { var secondByte, thirdByte, fourthByte, tempCodePoint switch (bytesPerSequence) { case 1: if (firstByte < 0x80) { codePoint = firstByte } break case 2: secondByte = buf[i + 1] if ((secondByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) if (tempCodePoint > 0x7F) { codePoint = tempCodePoint } } break case 3: secondByte = buf[i + 1] thirdByte = buf[i + 2] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { codePoint = tempCodePoint } } break case 4: secondByte = buf[i + 1] thirdByte = buf[i + 2] fourthByte = buf[i + 3] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { codePoint = tempCodePoint } } } } if (codePoint === null) { // we did not generate a valid codePoint so insert a // replacement char (U+FFFD) and advance only 1 byte codePoint = 0xFFFD bytesPerSequence = 1 } else if (codePoint > 0xFFFF) { // encode to utf16 (surrogate pair dance) codePoint -= 0x10000 res.push(codePoint >>> 10 & 0x3FF | 0xD800) codePoint = 0xDC00 | codePoint & 0x3FF } res.push(codePoint) i += bytesPerSequence } return decodeCodePointsArray(res) } // Based on http://stackoverflow.com/a/22747272/680742, the browser with // the lowest limit is Chrome, with 0x10000 args. // We go 1 magnitude less, for safety var MAX_ARGUMENTS_LENGTH = 0x1000 function decodeCodePointsArray (codePoints) { var len = codePoints.length if (len <= MAX_ARGUMENTS_LENGTH) { return String.fromCharCode.apply(String, codePoints) // avoid extra slice() } // Decode in chunks to avoid "call stack size exceeded". var res = '' var i = 0 while (i < len) { res += String.fromCharCode.apply( String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) ) } return res } function asciiSlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { ret += String.fromCharCode(buf[i] & 0x7F) } return ret } function binarySlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { ret += String.fromCharCode(buf[i]) } return ret } function hexSlice (buf, start, end) { var len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len var out = '' for (var i = start; i < end; i++) { out += toHex(buf[i]) } return out } function utf16leSlice (buf, start, end) { var bytes = buf.slice(start, end) var res = '' for (var i = 0; i < bytes.length; i += 2) { res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) } return res } Buffer.prototype.slice = function slice (start, end) { var len = this.length start = ~~start end = end === undefined ? len : ~~end if (start < 0) { start += len if (start < 0) start = 0 } else if (start > len) { start = len } if (end < 0) { end += len if (end < 0) end = 0 } else if (end > len) { end = len } if (end < start) end = start var newBuf if (Buffer.TYPED_ARRAY_SUPPORT) { newBuf = Buffer._augment(this.subarray(start, end)) } else { var sliceLen = end - start newBuf = new Buffer(sliceLen, undefined) for (var i = 0; i < sliceLen; i++) { newBuf[i] = this[i + start] } } if (newBuf.length) newBuf.parent = this.parent || this return newBuf } /* * Need to make sure that buffer isn't trying to write out of bounds. */ function checkOffset (offset, ext, length) { if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') } Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var val = this[offset] var mul = 1 var i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } return val } Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) { checkOffset(offset, byteLength, this.length) } var val = this[offset + --byteLength] var mul = 1 while (byteLength > 0 && (mul *= 0x100)) { val += this[offset + --byteLength] * mul } return val } Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { if (!noAssert) checkOffset(offset, 1, this.length) return this[offset] } Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) return this[offset] | (this[offset + 1] << 8) } Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) return (this[offset] << 8) | this[offset + 1] } Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ((this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16)) + (this[offset + 3] * 0x1000000) } Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] * 0x1000000) + ((this[offset + 1] << 16) | (this[offset + 2] << 8) | this[offset + 3]) } Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var val = this[offset] var mul = 1 var i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var i = byteLength var mul = 1 var val = this[offset + --i] while (i > 0 && (mul *= 0x100)) { val += this[offset + --i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { if (!noAssert) checkOffset(offset, 1, this.length) if (!(this[offset] & 0x80)) return (this[offset]) return ((0xff - this[offset] + 1) * -1) } Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) var val = this[offset] | (this[offset + 1] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) var val = this[offset + 1] | (this[offset] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16) | (this[offset + 3] << 24) } Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] << 24) | (this[offset + 1] << 16) | (this[offset + 2] << 8) | (this[offset + 3]) } Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, true, 23, 4) } Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, false, 23, 4) } Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, true, 52, 8) } Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, false, 52, 8) } function checkInt (buf, value, offset, ext, max, min) { if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance') if (value > max || value < min) throw new RangeError('value is out of bounds') if (offset + ext > buf.length) throw new RangeError('index out of range') } Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) var mul = 1 var i = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) var i = byteLength - 1 var mul = 1 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) this[offset] = (value & 0xff) return offset + 1 } function objectWriteUInt16 (buf, value, offset, littleEndian) { if (value < 0) value = 0xffff + value + 1 for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) { buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> (littleEndian ? i : 1 - i) * 8 } } Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) } else { objectWriteUInt16(this, value, offset, true) } return offset + 2 } Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) } else { objectWriteUInt16(this, value, offset, false) } return offset + 2 } function objectWriteUInt32 (buf, value, offset, littleEndian) { if (value < 0) value = 0xffffffff + value + 1 for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) { buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff } } Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset + 3] = (value >>> 24) this[offset + 2] = (value >>> 16) this[offset + 1] = (value >>> 8) this[offset] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, true) } return offset + 4 } Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, false) } return offset + 4 } Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 if (!noAssert) { var limit = Math.pow(2, 8 * byteLength - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } var i = 0 var mul = 1 var sub = value < 0 ? 1 : 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 if (!noAssert) { var limit = Math.pow(2, 8 * byteLength - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } var i = byteLength - 1 var mul = 1 var sub = value < 0 ? 1 : 0 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) if (value < 0) value = 0xff + value + 1 this[offset] = (value & 0xff) return offset + 1 } Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) } else { objectWriteUInt16(this, value, offset, true) } return offset + 2 } Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) } else { objectWriteUInt16(this, value, offset, false) } return offset + 2 } Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) this[offset + 2] = (value >>> 16) this[offset + 3] = (value >>> 24) } else { objectWriteUInt32(this, value, offset, true) } return offset + 4 } Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) if (value < 0) value = 0xffffffff + value + 1 if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, false) } return offset + 4 } function checkIEEE754 (buf, value, offset, ext, max, min) { if (value > max || value < min) throw new RangeError('value is out of bounds') if (offset + ext > buf.length) throw new RangeError('index out of range') if (offset < 0) throw new RangeError('index out of range') } function writeFloat (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) } ieee754.write(buf, value, offset, littleEndian, 23, 4) return offset + 4 } Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { return writeFloat(this, value, offset, true, noAssert)