@lazy-random/cross-crypto
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61 lines (56 loc) • 2 kB
JavaScript
(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.LazyRandomCrossCrypto = {}));
})(this, (function (exports) { 'use strict';
/**
* Created by user on 2018/11/25/025.
*/
const crossCrypto = /*#__PURE__*/(() => {
let crypto;
return () => {
if (typeof crypto === 'undefined') {
var _crypto3;
let _crypto;
try {
_crypto = crypto = require('crypto');
} catch (e) {
var _crypto2;
// @ts-ignore
_crypto = global.crypto || global.msCrypto;
if ((_crypto2 = _crypto) !== null && _crypto2 !== void 0 && _crypto2.getRandomValues) {
crypto = _crypto;
}
}
if (!((_crypto3 = crypto) !== null && _crypto3 !== void 0 && _crypto3.randomBytes)) {
crypto.randomBytes = crypto.randomBytes || function randomBytes(size, cb) {
if (size > 65536) throw new Error('requested too many random bytes');
let rawBytes = new Uint8Array(size);
if (size > 0) {
_crypto.getRandomValues(rawBytes);
}
// XXX: phantomjs doesn't like a buffer being passed here
let bytes = Buffer.from(rawBytes.buffer);
if (typeof cb === 'function') {
cb(null, bytes);
}
return bytes;
};
}
}
if (!crypto) {
crypto = null;
throw new Error(`not support crypto`);
}
return crypto;
};
})();
function randomBytes(size, callback) {
return crossCrypto().randomBytes(size, callback);
}
exports.crossCrypto = crossCrypto;
exports.default = crossCrypto;
exports.randomBytes = randomBytes;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=index.umd.development.cjs.map