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box-typescript-sdk-gen

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(function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global["box-typescript-sdk-gen"] = {})); })(this, (function (exports) { 'use strict'; /****************************************************************************** Copyright (c) Microsoft Corporation. Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ***************************************************************************** */ /* global Reflect, Promise, SuppressedError, Symbol, Iterator */ function __awaiter$1(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()); }); } function __values(o) { var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0; if (m) return m.call(o); if (o && typeof o.length === "number") return { next: function () { if (o && i >= o.length) o = void 0; return { value: o && o[i++], done: !o }; } }; throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined."); } function __await(v) { return this instanceof __await ? (this.v = v, this) : new __await(v); } function __asyncGenerator(thisArg, _arguments, generator) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var g = generator.apply(thisArg, _arguments || []), i, q = []; return i = Object.create((typeof AsyncIterator === "function" ? AsyncIterator : Object).prototype), verb("next"), verb("throw"), verb("return", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i; function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; } function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } } function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } } function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); } function fulfill(value) { resume("next", value); } function reject(value) { resume("throw", value); } function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); } } function __asyncDelegator(o) { var i, p; return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i; function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; } } function __asyncValues(o) { if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined."); var m = o[Symbol.asyncIterator], i; return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i); function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; } function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); } } typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) { var e = new Error(message); return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e; }; class GeneratedCodeError extends Error { constructor(fields) { super(fields.message); Object.assign(this, fields); this.name = 'GeneratedCodeError'; Object.setPrototypeOf(this, GeneratedCodeError.prototype); } } // Unique ID creation requires a high quality random # generator. In the browser we therefore // require the crypto API and do not support built-in fallback to lower quality random number // generators (like Math.random()). let getRandomValues; const rnds8 = new Uint8Array(16); function rng() { // lazy load so that environments that need to polyfill have a chance to do so if (!getRandomValues) { // getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto); if (!getRandomValues) { throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported'); } } return getRandomValues(rnds8); } /** * Convert array of 16 byte values to UUID string format of the form: * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */ const byteToHex = []; for (let i = 0; i < 256; ++i) { byteToHex.push((i + 0x100).toString(16).slice(1)); } function unsafeStringify(arr, offset = 0) { // Note: Be careful editing this code! It's been tuned for performance // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434 return byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]; } const randomUUID = typeof crypto !== 'undefined' && crypto.randomUUID && crypto.randomUUID.bind(crypto); var native = { randomUUID }; function v4(options, buf, offset) { if (native.randomUUID && true && !options) { return native.randomUUID(); } options = options || {}; const rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved` rnds[6] = rnds[6] & 0x0f | 0x40; rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided return unsafeStringify(rnds); } var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; function getDefaultExportFromCjs (x) { return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x; } var buffer = {}; var base64Js = {}; base64Js.byteLength = byteLength; base64Js.toByteArray = toByteArray; base64Js.fromByteArray = fromByteArray; var lookup = []; var revLookup = []; var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array; var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; for (var i = 0, len = code.length; i < len; ++i) { lookup[i] = code[i]; revLookup[code.charCodeAt(i)] = i; } // Support decoding URL-safe base64 strings, as Node.js does. // See: https://en.wikipedia.org/wiki/Base64#URL_applications revLookup['-'.charCodeAt(0)] = 62; revLookup['_'.charCodeAt(0)] = 63; function getLens (b64) { var len = b64.length; if (len % 4 > 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // Trim off extra bytes after placeholder bytes are found // See: https://github.com/beatgammit/base64-js/issues/42 var validLen = b64.indexOf('='); if (validLen === -1) validLen = len; var placeHoldersLen = validLen === len ? 0 : 4 - (validLen % 4); return [validLen, placeHoldersLen] } // base64 is 4/3 + up to two characters of the original data function byteLength (b64) { var lens = getLens(b64); var validLen = lens[0]; var placeHoldersLen = lens[1]; return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function _byteLength (b64, validLen, placeHoldersLen) { return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen } function toByteArray (b64) { var tmp; var lens = getLens(b64); var validLen = lens[0]; var placeHoldersLen = lens[1]; var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen)); var curByte = 0; // if there are placeholders, only get up to the last complete 4 chars var len = placeHoldersLen > 0 ? validLen - 4 : validLen; var i; for (i = 0; i < len; i += 4) { tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]; arr[curByte++] = (tmp >> 16) & 0xFF; arr[curByte++] = (tmp >> 8) & 0xFF; arr[curByte++] = tmp & 0xFF; } if (placeHoldersLen === 2) { tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4); arr[curByte++] = tmp & 0xFF; } if (placeHoldersLen === 1) { tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2); arr[curByte++] = (tmp >> 8) & 0xFF; arr[curByte++] = tmp & 0xFF; } return arr } function tripletToBase64 (num) { return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] } function encodeChunk (uint8, start, end) { var tmp; var output = []; for (var i = start; i < end; i += 3) { tmp = ((uint8[i] << 16) & 0xFF0000) + ((uint8[i + 1] << 8) & 0xFF00) + (uint8[i + 2] & 0xFF); output.push(tripletToBase64(tmp)); } return output.join('') } function fromByteArray (uint8) { var tmp; var len = uint8.length; var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes var parts = []; var maxChunkLength = 16383; // must be multiple of 3 // go through the array every three bytes, we'll deal with trailing stuff later for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))); } // pad the end with zeros, but make sure to not forget the extra bytes if (extraBytes === 1) { tmp = uint8[len - 1]; parts.push( lookup[tmp >> 2] + lookup[(tmp << 4) & 0x3F] + '==' ); } else if (extraBytes === 2) { tmp = (uint8[len - 2] << 8) + uint8[len - 1]; parts.push( lookup[tmp >> 10] + lookup[(tmp >> 4) & 0x3F] + lookup[(tmp << 2) & 0x3F] + '=' ); } return parts.join('') } var ieee754 = {}; /*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */ ieee754.read = function (buffer, offset, isLE, mLen, nBytes) { var e, m; var eLen = (nBytes * 8) - mLen - 1; var eMax = (1 << eLen) - 1; var eBias = eMax >> 1; var nBits = -7; var i = isLE ? (nBytes - 1) : 0; var d = isLE ? -1 : 1; var s = buffer[offset + i]; i += d; e = s & ((1 << (-nBits)) - 1); s >>= (-nBits); nBits += eLen; for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} m = e & ((1 << (-nBits)) - 1); e >>= (-nBits); nBits += mLen; for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} if (e === 0) { e = 1 - eBias; } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity) } else { m = m + Math.pow(2, mLen); e = e - eBias; } return (s ? -1 : 1) * m * Math.pow(2, e - mLen) }; ieee754.write = function (buffer, value, offset, isLE, mLen, nBytes) { var e, m, c; var eLen = (nBytes * 8) - mLen - 1; var eMax = (1 << eLen) - 1; var eBias = eMax >> 1; var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0); var i = isLE ? 0 : (nBytes - 1); var d = isLE ? 1 : -1; var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; value = Math.abs(value); if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0; e = eMax; } else { e = Math.floor(Math.log(value) / Math.LN2); if (value * (c = Math.pow(2, -e)) < 1) { e--; c *= 2; } if (e + eBias >= 1) { value += rt / c; } else { value += rt * Math.pow(2, 1 - eBias); } if (value * c >= 2) { e++; c /= 2; } if (e + eBias >= eMax) { m = 0; e = eMax; } else if (e + eBias >= 1) { m = ((value * c) - 1) * Math.pow(2, mLen); e = e + eBias; } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); e = 0; } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} e = (e << mLen) | m; eLen += mLen; for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} buffer[offset + i - d] |= s * 128; }; /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh <https://feross.org> * @license MIT */ (function (exports) { const base64 = base64Js; const ieee754$1 = ieee754; const customInspectSymbol = (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation : null; exports.Buffer = Buffer; exports.SlowBuffer = SlowBuffer; exports.INSPECT_MAX_BYTES = 50; const K_MAX_LENGTH = 0x7fffffff; exports.kMaxLength = K_MAX_LENGTH; /** * If `Buffer.TYPED_ARRAY_SUPPORT`: * === true Use Uint8Array implementation (fastest) * === false Print warning and recommend using `buffer` v4.x which has an 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+. * * We report that the browser does not support typed arrays if the are not subclassable * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array` * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support * for __proto__ and has a buggy typed array implementation. */ Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport(); if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') { console.error( 'This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.' ); } function typedArraySupport () { // Can typed array instances can be augmented? try { const arr = new Uint8Array(1); const proto = { foo: function () { return 42 } }; Object.setPrototypeOf(proto, Uint8Array.prototype); Object.setPrototypeOf(arr, proto); return arr.foo() === 42 } catch (e) { return false } } Object.defineProperty(Buffer.prototype, 'parent', { enumerable: true, get: function () { if (!Buffer.isBuffer(this)) return undefined return this.buffer } }); Object.defineProperty(Buffer.prototype, 'offset', { enumerable: true, get: function () { if (!Buffer.isBuffer(this)) return undefined return this.byteOffset } }); function createBuffer (length) { if (length > K_MAX_LENGTH) { throw new RangeError('The value "' + length + '" is invalid for option "size"') } // Return an augmented `Uint8Array` instance const buf = new Uint8Array(length); Object.setPrototypeOf(buf, Buffer.prototype); return buf } /** * The Buffer constructor returns instances of `Uint8Array` that have their * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of * `Uint8Array`, so the returned instances will have all the node `Buffer` methods * and the `Uint8Array` methods. Square bracket notation works as expected -- it * returns a single octet. * * The `Uint8Array` prototype remains unmodified. */ function Buffer (arg, encodingOrOffset, length) { // Common case. if (typeof arg === 'number') { if (typeof encodingOrOffset === 'string') { throw new TypeError( 'The "string" argument must be of type string. Received type number' ) } return allocUnsafe(arg) } return from(arg, encodingOrOffset, length) } Buffer.poolSize = 8192; // not used by this implementation function from (value, encodingOrOffset, length) { if (typeof value === 'string') { return fromString(value, encodingOrOffset) } if (ArrayBuffer.isView(value)) { return fromArrayView(value) } if (value == null) { throw new TypeError( 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + (typeof value) ) } if (isInstance(value, ArrayBuffer) || (value && isInstance(value.buffer, ArrayBuffer))) { return fromArrayBuffer(value, encodingOrOffset, length) } if (typeof SharedArrayBuffer !== 'undefined' && (isInstance(value, SharedArrayBuffer) || (value && isInstance(value.buffer, SharedArrayBuffer)))) { return fromArrayBuffer(value, encodingOrOffset, length) } if (typeof value === 'number') { throw new TypeError( 'The "value" argument must not be of type number. Received type number' ) } const valueOf = value.valueOf && value.valueOf(); if (valueOf != null && valueOf !== value) { return Buffer.from(valueOf, encodingOrOffset, length) } const b = fromObject(value); if (b) return b if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') { return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length) } throw new TypeError( 'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + (typeof value) ) } /** * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError * if value is a number. * Buffer.from(str[, encoding]) * Buffer.from(array) * Buffer.from(buffer) * Buffer.from(arrayBuffer[, byteOffset[, length]]) **/ Buffer.from = function (value, encodingOrOffset, length) { return from(value, encodingOrOffset, length) }; // Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug: // https://github.com/feross/buffer/pull/148 Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype); Object.setPrototypeOf(Buffer, Uint8Array); function assertSize (size) { if (typeof size !== 'number') { throw new TypeError('"size" argument must be of type number') } else if (size < 0) { throw new RangeError('The value "' + size + '" is invalid for option "size"') } } function alloc (size, fill, encoding) { assertSize(size); if (size <= 0) { return createBuffer(size) } if (fill !== undefined) { // Only pay attention to encoding if it's a string. This // prevents accidentally sending in a number that would // be interpreted as a start offset. return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill) } return createBuffer(size) } /** * Creates a new filled Buffer instance. * alloc(size[, fill[, encoding]]) **/ Buffer.alloc = function (size, fill, encoding) { return alloc(size, fill, encoding) }; function allocUnsafe (size) { assertSize(size); return createBuffer(size < 0 ? 0 : checked(size) | 0) } /** * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. * */ Buffer.allocUnsafe = function (size) { return allocUnsafe(size) }; /** * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. */ Buffer.allocUnsafeSlow = function (size) { return allocUnsafe(size) }; function fromString (string, encoding) { if (typeof encoding !== 'string' || encoding === '') { encoding = 'utf8'; } if (!Buffer.isEncoding(encoding)) { throw new TypeError('Unknown encoding: ' + encoding) } const length = byteLength(string, encoding) | 0; let buf = createBuffer(length); const actual = buf.write(string, encoding); if (actual !== length) { // Writing a hex string, for example, that contains invalid characters will // cause everything after the first invalid character to be ignored. (e.g. // 'abxxcd' will be treated as 'ab') buf = buf.slice(0, actual); } return buf } function fromArrayLike (array) { const length = array.length < 0 ? 0 : checked(array.length) | 0; const buf = createBuffer(length); for (let i = 0; i < length; i += 1) { buf[i] = array[i] & 255; } return buf } function fromArrayView (arrayView) { if (isInstance(arrayView, Uint8Array)) { const copy = new Uint8Array(arrayView); return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength) } return fromArrayLike(arrayView) } function fromArrayBuffer (array, byteOffset, length) { if (byteOffset < 0 || array.byteLength < byteOffset) { throw new RangeError('"offset" is outside of buffer bounds') } if (array.byteLength < byteOffset + (length || 0)) { throw new RangeError('"length" is outside of buffer bounds') } let buf; if (byteOffset === undefined && length === undefined) { buf = new Uint8Array(array); } else if (length === undefined) { buf = new Uint8Array(array, byteOffset); } else { buf = new Uint8Array(array, byteOffset, length); } // Return an augmented `Uint8Array` instance Object.setPrototypeOf(buf, Buffer.prototype); return buf } function fromObject (obj) { if (Buffer.isBuffer(obj)) { const len = checked(obj.length) | 0; const buf = createBuffer(len); if (buf.length === 0) { return buf } obj.copy(buf, 0, 0, len); return buf } if (obj.length !== undefined) { if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) { return createBuffer(0) } return fromArrayLike(obj) } if (obj.type === 'Buffer' && Array.isArray(obj.data)) { return fromArrayLike(obj.data) } } function checked (length) { // Note: cannot use `length < K_MAX_LENGTH` here because that fails when // length is NaN (which is otherwise coerced to zero.) if (length >= K_MAX_LENGTH) { throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes') } return length | 0 } function SlowBuffer (length) { if (+length != length) { // eslint-disable-line eqeqeq length = 0; } return Buffer.alloc(+length) } Buffer.isBuffer = function isBuffer (b) { return b != null && b._isBuffer === true && b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false }; Buffer.compare = function compare (a, b) { if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength); if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength); if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { throw new TypeError( 'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array' ) } if (a === b) return 0 let x = a.length; let y = b.length; for (let i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i]; y = b[i]; break } } 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 'latin1': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } }; Buffer.concat = function concat (list, length) { if (!Array.isArray(list)) { throw new TypeError('"list" argument must be an Array of Buffers') } if (list.length === 0) { return Buffer.alloc(0) } let i; if (length === undefined) { length = 0; for (i = 0; i < list.length; ++i) { length += list[i].length; } } const buffer = Buffer.allocUnsafe(length); let pos = 0; for (i = 0; i < list.length; ++i) { let buf = list[i]; if (isInstance(buf, Uint8Array)) { if (pos + buf.length > buffer.length) { if (!Buffer.isBuffer(buf)) buf = Buffer.from(buf); buf.copy(buffer, pos); } else { Uint8Array.prototype.set.call( buffer, buf, pos ); } } else if (!Buffer.isBuffer(buf)) { throw new TypeError('"list" argument must be an Array of Buffers') } else { buf.copy(buffer, pos); } pos += buf.length; } return buffer }; function byteLength (string, encoding) { if (Buffer.isBuffer(string)) { return string.length } if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) { return string.byteLength } if (typeof string !== 'string') { throw new TypeError( 'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + typeof string ) } const len = string.length; const mustMatch = (arguments.length > 2 && arguments[2] === true); if (!mustMatch && len === 0) return 0 // Use a for loop to avoid recursion let loweredCase = false; for (;;) { switch (encoding) { case 'ascii': case 'latin1': case 'binary': 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 mustMatch ? -1 : utf8ToBytes(string).length // assume utf8 } encoding = ('' + encoding).toLowerCase(); loweredCase = true; } } } Buffer.byteLength = byteLength; function slowToString (encoding, start, end) { let loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only // property of a typed array. // This behaves neither like String nor Uint8Array in that we set start/end // to their upper/lower bounds if the value passed is out of range. // undefined is handled specially as per ECMA-262 6th Edition, // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. if (start === undefined || start < 0) { start = 0; } // Return early if start > this.length. Done here to prevent potential uint32 // coercion fail below. if (start > this.length) { return '' } if (end === undefined || end > this.length) { end = this.length; } if (end <= 0) { return '' } // Force coercion to uint32. This will also coerce falsey/NaN values to 0. end >>>= 0; start >>>= 0; if (end <= start) { return '' } if (!encoding) encoding = 'utf8'; 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 'latin1': case 'binary': return latin1Slice(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; } } } // This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package) // to detect a Buffer instance. It's not possible to use `instanceof Buffer` // reliably in a browserify context because there could be multiple different // copies of the 'buffer' package in use. This method works even for Buffer // instances that were created from another copy of the `buffer` package. // See: https://github.com/feross/buffer/issues/154 Buffer.prototype._isBuffer = true; function swap (b, n, m) { const i = b[n]; b[n] = b[m]; b[m] = i; } Buffer.prototype.swap16 = function swap16 () { const len = this.length; if (len % 2 !== 0) { throw new RangeError('Buffer size must be a multiple of 16-bits') } for (let i = 0; i < len; i += 2) { swap(this, i, i + 1); } return this }; Buffer.prototype.swap32 = function swap32 () { const len = this.length; if (len % 4 !== 0) { throw new RangeError('Buffer size must be a multiple of 32-bits') } for (let i = 0; i < len; i += 4) { swap(this, i, i + 3); swap(this, i + 1, i + 2); } return this }; Buffer.prototype.swap64 = function swap64 () { const len = this.length; if (len % 8 !== 0) { throw new RangeError('Buffer size must be a multiple of 64-bits') } for (let i = 0; i < len; i += 8) { swap(this, i, i + 7); swap(this, i + 1, i + 6); swap(this, i + 2, i + 5); swap(this, i + 3, i + 4); } return this }; Buffer.prototype.toString = function toString () { const length = this.length; if (length === 0) return '' if (arguments.length === 0) return utf8Slice(this, 0, length) return slowToString.apply(this, arguments) }; Buffer.prototype.toLocaleString = Buffer.prototype.toString; 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 () { let str = ''; const max = exports.INSPECT_MAX_BYTES; str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim(); if (this.length > max) str += ' ... '; return '<Buffer ' + str + '>' }; if (customInspectSymbol) { Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect; } Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { if (isInstance(target, Uint8Array)) { target = Buffer.from(target, target.offset, target.byteLength); } if (!Buffer.isBuffer(target)) { throw new TypeError( 'The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + (typeof target) ) } if (start === undefined) { start = 0; } if (end === undefined) { end = target ? target.length : 0; } if (thisStart === undefined) { thisStart = 0; } if (thisEnd === undefined) { thisEnd = this.length; } if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { throw new RangeError('out of range index') } if (thisStart >= thisEnd && start >= end) { return 0 } if (thisStart >= thisEnd) { return -1 } if (start >= end) { return 1 } start >>>= 0; end >>>= 0; thisStart >>>= 0; thisEnd >>>= 0; if (this === target) return 0 let x = thisEnd - thisStart; let y = end - start; const len = Math.min(x, y); const thisCopy = this.slice(thisStart, thisEnd); const targetCopy = target.slice(start, end); for (let i = 0; i < len; ++i) { if (thisCopy[i] !== targetCopy[i]) { x = thisCopy[i]; y = targetCopy[i]; break } } if (x < y) return -1 if (y < x) return 1 return 0 }; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`, // OR the last index of `val` in `buffer` at offset <= `byteOffset`. // // Arguments: // - buffer - a Buffer to search // - val - a string, Buffer, or number // - byteOffset - an index into `buffer`; will be clamped to an int32 // - encoding - an optional encoding, relevant is val is a string // - dir - true for indexOf, false for lastIndexOf function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) { // Empty buffer means no match if (buffer.length === 0) return -1 // Normalize byteOffset if (typeof byteOffset === 'string') { encoding = byteOffset; byteOffset = 0; } else if (byteOffset > 0x7fffffff) { byteOffset = 0x7fffffff; } else if (byteOffset < -2147483648) { byteOffset = -2147483648; } byteOffset = +byteOffset; // Coerce to Number. if (numberIsNaN(byteOffset)) { // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer byteOffset = dir ? 0 : (buffer.length - 1); } // Normalize byteOffset: negative offsets start from the end of the buffer if (byteOffset < 0) byteOffset = buffer.length + byteOffset; if (byteOffset >= buffer.length) { if (dir) return -1 else byteOffset = buffer.length - 1; } else if (byteOffset < 0) { if (dir) byteOffset = 0; else return -1 } // Normalize val if (typeof val === 'string') { val = Buffer.from(val, encoding); } // Finally, search either indexOf (if dir is true) or lastIndexOf if (Buffer.isBuffer(val)) { // Special case: looking for empty string/buffer always fails if (val.length === 0) { return -1 } return arrayIndexOf(buffer, val, byteOffset, encoding, dir) } else if (typeof val === 'number') { val = val & 0xFF; // Search for a byte value [0-255] if (typeof Uint8Array.prototype.indexOf === 'function') { if (dir) { return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset) } else { return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset) } } return arrayIndexOf(buffer, [val], byteOffset, encoding, dir) } throw new TypeError('val must be string, number or Buffer') } function arrayIndexOf (arr, val, byteOffset, encoding, dir) { let indexSize = 1; let arrLength = arr.length; let valLength = val.length; if (encoding !== undefined) { encoding = String(encoding).toLowerCase(); if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') { if (arr.length < 2 || val.length < 2) { return -1 } indexSize = 2; arrLength /= 2; valLength /= 2; byteOffset /= 2; } } function read (buf, i) { if (indexSize === 1) { return buf[i] } else { return buf.readUInt16BE(i * indexSize) } } let i; if (dir) { let foundIndex = -1; for (i = byteOffset; i < arrLength; i++) { if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { if (foundIndex === -1) foundIndex = i; if (i - foundIndex + 1 === valLength) return foundIndex * indexSize } else { if (foundIndex !== -1) i -= i - foundIndex; foundIndex = -1; } } } else { if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength; for (i = byteOffset; i >= 0; i--) { let found = true; for (let j = 0; j < valLength; j++) { if (read(arr, i + j) !== read(val, j)) { found = false; break } } if (found) return i } } return -1 } Buffer.prototype.includes = function includes (val, byteOffset, encoding) { return this.indexOf(val, byteOffset, encoding) !== -1 }; Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, true) }; Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) { return bidirectionalIndexOf(this, val, byteOffset, encoding, false) }; function hexWrite (buf, string, offset, length) { offset = Number(offset) || 0; const remaining = buf.length - offset; if (!length) { length = remaining; } else { length = Number(length); if (length > remaining) { length = remaining; } } const strLen = string.length; if (length > strLen / 2) { length = strLen / 2; } let i; for (i = 0; i < length; ++i) { const parsed = parseInt(string.substr(i * 2, 2), 16); if (numberIsNaN(parsed)) return i 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 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; } } else { throw new Error( 'Buffer.write(string, encoding, offset[, length]) is no longer supported' ) } const 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'; let 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': case 'latin1': case 'binary': return asciiWrite(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); const res = []; let i = start; while (i < end) { const firstByte = buf[i]; let codePoint = null; let bytesPerSequence = (firstByte > 0xEF) ? 4 : (firstByte > 0xDF) ? 3 : (firstByte > 0xBF) ? 2 : 1; if (i + bytesPerSequence <= end) { let 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 const MAX_ARGUMENTS_LENGTH = 0x1000; function decodeCodePointsArray (codePoints) { const 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". let res = ''; let i = 0; while (i < len) { res += String.fromCharCode.apply( String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) ); } return res } function asciiSlice (buf, start, end) { let ret = ''; end = Math.min(buf.length, end); for (let i = start; i < end; ++i) { ret += String.fromCharCode(buf[i] & 0x7F); } return ret } function latin1Slice (buf, start, end) { let ret = ''; end = Math.min(buf.length, end); for (let i = start; i < end; ++i) { ret += String.fromCharCode(buf[i]); } return ret } function hexSlice (buf, start, end) { const len = buf.length; if (!start || start < 0) start = 0; if (!end || end < 0 || end > len) end = len; let out = ''; for (let i = start; i < end; ++i) { out += hexSliceLookupTable[buf[i]]; } return out } function utf16leSlice (buf, start, end) { const bytes = buf.slice(start, end); let res = ''; // If bytes.length is odd, the last 8 bits must be ignored (same as node.js) for (let i = 0; i < bytes.length - 1; i += 2) { res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256)); } return res } Buffer.prototype.slice = function slice (start, end) { const len = this.length; start = ~~start; end = end === undefined ? len : ~~end; if (start