123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132 |
- (function() {
- var nodeEnv = typeof require !== 'undefined' && typeof process !== 'undefined';
- var __module = nodeEnv ? module : {exports:{}};
- var __filename = 'preview-scripts/__node_modules/randomfill/browser.js';
- var __require = nodeEnv ? function (request) {
- return cc.require(request);
- } : function (request) {
- return __quick_compile_project__.require(request, __filename);
- };
- function __define (exports, require, module) {
- if (!nodeEnv) {__quick_compile_project__.registerModule(__filename, module);}(function (process,global){
- 'use strict'
- function oldBrowser () {
- throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11')
- }
- var safeBuffer = require('safe-buffer')
- var randombytes = require('randombytes')
- var Buffer = safeBuffer.Buffer
- var kBufferMaxLength = safeBuffer.kMaxLength
- var crypto = global.crypto || global.msCrypto
- var kMaxUint32 = Math.pow(2, 32) - 1
- function assertOffset (offset, length) {
- if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare
- throw new TypeError('offset must be a number')
- }
- if (offset > kMaxUint32 || offset < 0) {
- throw new TypeError('offset must be a uint32')
- }
- if (offset > kBufferMaxLength || offset > length) {
- throw new RangeError('offset out of range')
- }
- }
- function assertSize (size, offset, length) {
- if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare
- throw new TypeError('size must be a number')
- }
- if (size > kMaxUint32 || size < 0) {
- throw new TypeError('size must be a uint32')
- }
- if (size + offset > length || size > kBufferMaxLength) {
- throw new RangeError('buffer too small')
- }
- }
- if ((crypto && crypto.getRandomValues) || !process.browser) {
- exports.randomFill = randomFill
- exports.randomFillSync = randomFillSync
- } else {
- exports.randomFill = oldBrowser
- exports.randomFillSync = oldBrowser
- }
- function randomFill (buf, offset, size, cb) {
- if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
- throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
- }
- if (typeof offset === 'function') {
- cb = offset
- offset = 0
- size = buf.length
- } else if (typeof size === 'function') {
- cb = size
- size = buf.length - offset
- } else if (typeof cb !== 'function') {
- throw new TypeError('"cb" argument must be a function')
- }
- assertOffset(offset, buf.length)
- assertSize(size, offset, buf.length)
- return actualFill(buf, offset, size, cb)
- }
- function actualFill (buf, offset, size, cb) {
- if (process.browser) {
- var ourBuf = buf.buffer
- var uint = new Uint8Array(ourBuf, offset, size)
- crypto.getRandomValues(uint)
- if (cb) {
- process.nextTick(function () {
- cb(null, buf)
- })
- return
- }
- return buf
- }
- if (cb) {
- randombytes(size, function (err, bytes) {
- if (err) {
- return cb(err)
- }
- bytes.copy(buf, offset)
- cb(null, buf)
- })
- return
- }
- var bytes = randombytes(size)
- bytes.copy(buf, offset)
- return buf
- }
- function randomFillSync (buf, offset, size) {
- if (typeof offset === 'undefined') {
- offset = 0
- }
- if (!Buffer.isBuffer(buf) && !(buf instanceof global.Uint8Array)) {
- throw new TypeError('"buf" argument must be a Buffer or Uint8Array')
- }
- assertOffset(offset, buf.length)
- if (size === undefined) size = buf.length - offset
- assertSize(size, offset, buf.length)
- return actualFill(buf, offset, size)
- }
- }).call(this,require("../process/browser.js"),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
- }
- if (nodeEnv) {
- __define(__module.exports, __require, __module);
- }
- else {
- __quick_compile_project__.registerModuleFunc(__filename, function () {
- __define(__module.exports, __require, __module);
- });
- }
- })();
|