installCommonGlobals.js
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = _default;
function fs() {
const data = _interopRequireWildcard(require('graceful-fs'));
fs = function () {
return data;
};
return data;
}
var _createProcessObject = _interopRequireDefault(
require('./createProcessObject')
);
var _deepCyclicCopy = _interopRequireDefault(require('./deepCyclicCopy'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _getRequireWildcardCache() {
if (typeof WeakMap !== 'function') return null;
var cache = new WeakMap();
_getRequireWildcardCache = function () {
return cache;
};
return cache;
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache();
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const DTRACE = Object.keys(global).filter(key => key.startsWith('DTRACE'));
function _default(globalObject, globals) {
globalObject.process = (0, _createProcessObject.default)();
const symbol = globalObject.Symbol; // Keep a reference to some globals that Jest needs
Object.defineProperties(globalObject, {
[symbol.for('jest-native-promise')]: {
enumerable: false,
value: Promise,
writable: false
},
[symbol.for('jest-native-now')]: {
enumerable: false,
value: globalObject.Date.now.bind(globalObject.Date),
writable: false
},
[symbol.for('jest-native-read-file')]: {
enumerable: false,
value: fs().readFileSync.bind(fs()),
writable: false
},
[symbol.for('jest-native-write-file')]: {
enumerable: false,
value: fs().writeFileSync.bind(fs()),
writable: false
},
[symbol.for('jest-native-exists-file')]: {
enumerable: false,
value: fs().existsSync.bind(fs()),
writable: false
},
'jest-symbol-do-not-touch': {
enumerable: false,
value: symbol,
writable: false
}
}); // Forward some APIs.
DTRACE.forEach(dtrace => {
// @ts-expect-error: no index
globalObject[dtrace] = function (...args) {
// @ts-expect-error: no index
return global[dtrace].apply(this, args);
};
}); // Forward some others (this breaks the sandbox but for now it's OK).
globalObject.Buffer = global.Buffer;
globalObject.setImmediate = global.setImmediate;
globalObject.clearImmediate = global.clearImmediate;
return Object.assign(globalObject, (0, _deepCyclicCopy.default)(globals));
}