114 lines
2.9 KiB
JavaScript
114 lines
2.9 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = function() {
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const process = require('process');
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const newProcess = (0,
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(_deep_cyclic_copy || _load_deep_cyclic_copy()).default)(process, {
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blacklist: BLACKLIST,
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keepPrototype: true
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});
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newProcess[Symbol.toStringTag] = 'process';
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// Sequentially execute all constructors over the object.
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let proto = process;
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while ((proto = Object.getPrototypeOf(proto))) {
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if (typeof proto.constructor === 'function') {
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proto.constructor.call(newProcess);
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}
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}
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newProcess.env = createProcessEnv();
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newProcess.send = () => {};
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return newProcess;
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};
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var _deep_cyclic_copy;
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function _load_deep_cyclic_copy() {
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return (_deep_cyclic_copy = _interopRequireDefault(
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require('./deep_cyclic_copy')
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));
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}
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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const BLACKLIST = new Set(['env', 'mainModule', '_events']);
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// The "process.env" object has a bunch of particularities: first, it does not
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// directly extend from Object; second, it converts any assigned value to a
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// string; and third, it is case-insensitive in Windows. We use a proxy here to
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// mimic it (see https://nodejs.org/api/process.html#process_process_env).
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/**
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* Copyright (c) 2017-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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function createProcessEnv() {
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if (typeof Proxy === 'undefined') {
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return (0, (_deep_cyclic_copy || _load_deep_cyclic_copy()).default)(
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process.env
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);
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}
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// $FlowFixMe: Apparently Flow does not understand that this is a prototype.
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const proto = Object.getPrototypeOf(process.env);
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const real = Object.create(proto);
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const lookup = {};
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const proxy = new Proxy(real, {
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deleteProperty: function(target, key) {
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for (const name in real) {
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if (real.hasOwnProperty(name)) {
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if (typeof key === 'string' && process.platform === 'win32') {
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if (name.toLowerCase() === key.toLowerCase()) {
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delete real[name];
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delete lookup[name.toLowerCase()];
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}
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} else {
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if (key === name) {
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delete real[name];
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delete lookup[name];
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}
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}
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}
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}
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return true;
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},
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get: function(target, key) {
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if (typeof key === 'string' && process.platform === 'win32') {
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return lookup[key in proto ? key : key.toLowerCase()];
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} else {
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return real[key];
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}
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},
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set: function(target, key, value) {
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const strValue = '' + value;
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if (typeof key === 'string') {
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lookup[key.toLowerCase()] = strValue;
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}
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real[key] = strValue;
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return true;
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}
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});
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return Object.assign(proxy, process.env);
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}
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