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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import '../zone';
import './events';
import './fs';
import {patchTimer} from '../common/timers';
import {patchMethod} from '../common/utils';
const set = 'set';
const clear = 'clear';
const _global = typeof window === 'object' && window || typeof self === 'object' && self || global;
// Timers
const timers = require('timers');
patchTimer(timers, set, clear, 'Timeout');
patchTimer(timers, set, clear, 'Interval');
patchTimer(timers, set, clear, 'Immediate');
const shouldPatchGlobalTimers = global.setTimeout !== timers.setTimeout;
if (shouldPatchGlobalTimers) {
patchTimer(_global, set, clear, 'Timeout');
patchTimer(_global, set, clear, 'Interval');
patchTimer(_global, set, clear, 'Immediate');
}
patchNextTick();
// Crypto
let crypto;
try {
crypto = require('crypto');
} catch (err) {
}
// TODO(gdi2290): implement a better way to patch these methods
if (crypto) {
let nativeRandomBytes = crypto.randomBytes;
crypto.randomBytes = function randomBytesZone(size: number, callback?: Function) {
if (!callback) {
return nativeRandomBytes(size);
} else {
let zone = Zone.current;
const source = crypto.constructor.name + '.randomBytes';
return nativeRandomBytes(size, zone.wrap(callback, source));
}
}.bind(crypto);
let nativePbkdf2 = crypto.pbkdf2;
crypto.pbkdf2 = function pbkdf2Zone(...args: any[]) {
let fn = args[args.length - 1];
if (typeof fn === 'function') {
let zone = Zone.current;
const source = crypto.constructor.name + '.pbkdf2';
args[args.length - 1] = zone.wrap(fn, source);
return nativePbkdf2(...args);
} else {
return nativePbkdf2(...args);
}
}.bind(crypto);
}
// HTTP Client
let httpClient;
try {
httpClient = require('_http_client');
} catch (err) {
}
if (httpClient && httpClient.ClientRequest) {
let ClientRequest = httpClient.ClientRequest.bind(httpClient);
httpClient.ClientRequest = function(options: any, callback?: Function) {
if (!callback) {
return new ClientRequest(options);
} else {
let zone = Zone.current;
return new ClientRequest(options, zone.wrap(callback, 'http.ClientRequest'));
}
};
}
function patchNextTick() {
let setNative = null;
function scheduleTask(task: Task) {
const args = task.data;
args[0] = function() {
task.invoke.apply(this, arguments);
};
setNative.apply(process, args);
return task;
}
setNative =
patchMethod(process, 'nextTick', (delegate: Function) => function(self: any, args: any[]) {
if (typeof args[0] === 'function') {
const zone = Zone.current;
const task = zone.scheduleMicroTask('nextTick', args[0], args, scheduleTask);
return task;
} else {
// cause an error by calling it directly.
return delegate.apply(process, args);
}
});
}