angular-docs-cn/packages/zone.js/lib/zone.configurations.api.ts

748 lines
26 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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
*/
/**
* Interface of `zone.js` configurations.
*
* You can define the following configurations on the `window/global` object before
* importing `zone.js` to change `zone.js` default behaviors.
*/
interface ZoneGlobalConfigurations {
/**
* Disable the monkey patch of the `Node.js` `EventEmitter` API.
*
* By default, `zone.js` monkey patches the `Node.js` `EventEmitter` APIs to make asynchronous
* callbacks of those APIs in the same zone when scheduled.
*
* Consider the following example:
*
* ```
* const EventEmitter = require('events');
* class MyEmitter extends EventEmitter {}
* const myEmitter = new MyEmitter();
*
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* myEmitter.on('event', () => {
* console.log('an event occurs in the zone', Zone.current.name);
* // the callback runs in the zone when it is scheduled,
* // so the output is 'an event occurs in the zone myZone'.
* });
* });
* myEmitter.emit('event');
* ```
*
* If you set `__Zone_disable_EventEmitter = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `EventEmitter` APIs and the above code
* outputs 'an event occurred <root>'.
*/
__Zone_disable_EventEmitter?: boolean;
/**
* Disable the monkey patch of the `Node.js` `fs` API.
*
* By default, `zone.js` monkey patches `Node.js` `fs` APIs to make asynchronous callbacks of
* those APIs in the same zone when scheduled.
*
* Consider the following example:
*
* ```
* const fs = require('fs');
*
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* fs.stat('/tmp/world', (err, stats) => {
* console.log('fs.stats() callback is invoked in the zone', Zone.current.name);
* // since the callback of the `fs.stat()` runs in the same zone
* // when it is called, so the output is 'fs.stats() callback is invoked in the zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_fs = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `fs` API and the above code
* outputs 'get stats occurred <root>'.
*/
__Zone_disable_fs?: boolean;
/**
* Disable the monkey patch of the `Node.js` `timer` API.
*
* By default, `zone.js` monkey patches the `Node.js` `timer` APIs to make asynchronous
* callbacks of those APIs in the same zone when scheduled.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* setTimeout(() => {
* console.log('setTimeout() callback is invoked in the zone', Zone.current.name);
* // since the callback of `setTimeout()` runs in the same zone
* // when it is scheduled, so the output is 'setTimeout() callback is invoked in the zone
* // myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_timers = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `timer` APIs and the above code
* outputs 'timeout <root>'.
*/
__Zone_disable_node_timers?: boolean;
/**
* Disable the monkey patch of the `Node.js` `process.nextTick()` API.
*
* By default, `zone.js` monkey patches the `Node.js` `process.nextTick()` API to make the
* callback in the same zone when calling `process.nextTick()`.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* process.nextTick(() => {
* console.log('process.nextTick() callback is invoked in the zone', Zone.current.name);
* // since the callback of `process.nextTick()` runs in the same zone
* // when it is scheduled, so the output is 'process.nextTick() callback is invoked in the
* // zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_nextTick = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `process.nextTick()` API and the above code
* outputs 'nextTick <root>'.
*/
__Zone_disable_nextTick?: boolean;
/**
* Disable the monkey patch of the `Node.js` `crypto` API.
*
* By default, `zone.js` monkey patches the `Node.js` `crypto` APIs to make asynchronous callbacks
* of those APIs in the same zone when called.
*
* Consider the following example:
*
* ```
* const crypto = require('crypto');
*
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* crypto.randomBytes(() => {
* console.log('crypto.randomBytes() callback is invoked in the zone', Zone.current.name);
* // since the callback of `crypto.randomBytes()` runs in the same zone
* // when it is called, so the output is 'crypto.randomBytes() callback is invoked in the
* // zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_crypto = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `crypto` API and the above code
* outputs 'crypto <root>'.
*/
__Zone_disable_crypto?: boolean;
/**
* Disable the monkey patch of the `Object.defineProperty()` API.
*
* Note: This configuration is available only in the legacy bundle (dist/zone.js). This module is
* not available in the evergreen bundle (zone-evergreen.js).
*
* In the legacy browser, the default behavior of `zone.js` is to monkey patch
* `Object.defineProperty()` and `Object.create()` to try to ensure PropertyDescriptor parameter's
* configurable property to be true. This patch is only needed in some old mobile browsers.
*
* If you set `__Zone_disable_defineProperty = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `Object.defineProperty()` API and does not
* modify desc.configurable to true.
*
*/
__Zone_disable_defineProperty?: boolean;
/**
* Disable the monkey patch of the browser `registerElement()` API.
*
* NOTE: This configuration is only available in the legacy bundle (dist/zone.js), this
* module is not available in the evergreen bundle (zone-evergreen.js).
*
* In the legacy browser, the default behavior of `zone.js` is to monkey patch the
* `registerElement()` API to make asynchronous callbacks of the API in the same zone when
* `registerElement()` is called.
*
* Consider the following example:
*
* ```
* const proto = Object.create(HTMLElement.prototype);
* proto.createdCallback = function() {
* console.log('createdCallback is invoked in the zone', Zone.current.name);
* };
* proto.attachedCallback = function() {
* console.log('attachedCallback is invoked in the zone', Zone.current.name);
* };
* proto.detachedCallback = function() {
* console.log('detachedCallback is invoked in the zone', Zone.current.name);
* };
* proto.attributeChangedCallback = function() {
* console.log('attributeChangedCallback is invoked in the zone', Zone.current.name);
* };
*
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* document.registerElement('x-elem', {prototype: proto});
* });
* ```
*
* When these callbacks are invoked, those callbacks will be in the zone when
* `registerElement()` is called.
*
* If you set `__Zone_disable_registerElement = true` before importing `zone.js`,
* `zone.js` does not monkey patch `registerElement()` API and the above code
* outputs '<root>'.
*/
__Zone_disable_registerElement?: boolean;
/**
* Disable the monkey patch of the browser legacy `EventTarget` API.
*
* NOTE: This configuration is only available in the legacy bundle (dist/zone.js), this module
* is not available in the evergreen bundle (zone-evergreen.js).
*
* In some old browsers, the `EventTarget` is not available, so `zone.js` cannot directly monkey
* patch the `EventTarget`. Instead, `zone.js` patches all known HTML elements' prototypes (such
* as `HtmlDivElement`). The callback of the `addEventListener()` will be in the same zone when
* the `addEventListener()` is called.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* div.addEventListener('click', () => {
* console.log('div click event listener is invoked in the zone', Zone.current.name);
* // the output is 'div click event listener is invoked in the zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_EventTargetLegacy = true` before importing `zone.js`
* In some old browsers, where `EventTarget` is not available, if you set
* `__Zone_disable_EventTargetLegacy = true` before importing `zone.js`, `zone.js` does not monkey
* patch all HTML element APIs and the above code outputs 'clicked <root>'.
*/
__Zone_disable_EventTargetLegacy?: boolean;
/**
* Disable the monkey patch of the browser `timer` APIs.
*
* By default, `zone.js` monkey patches browser timer
* APIs (`setTimeout()`/`setInterval()`/`setImmediate()`) to make asynchronous callbacks of those
* APIs in the same zone when scheduled.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* setTimeout(() => {
* console.log('setTimeout() callback is invoked in the zone', Zone.current.name);
* // since the callback of `setTimeout()` runs in the same zone
* // when it is scheduled, so the output is 'setTimeout() callback is invoked in the zone
* // myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_timers = true` before importing `zone.js`,
* `zone.js` does not monkey patch `timer` API and the above code
* outputs 'timeout <root>'.
*
*/
__Zone_disable_timers?: boolean;
/**
* Disable the monkey patch of the browser `requestAnimationFrame()` API.
*
* By default, `zone.js` monkey patches the browser `requestAnimationFrame()` API
* to make the asynchronous callback of the `requestAnimationFrame()` in the same zone when
* scheduled.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* requestAnimationFrame(() => {
* console.log('requestAnimationFrame() callback is invoked in the zone', Zone.current.name);
* // since the callback of `requestAnimationFrame()` will be in the same zone
* // when it is scheduled, so the output will be 'requestAnimationFrame() callback is invoked
* // in the zone myZone'
* });
* });
* ```
*
* If you set `__Zone_disable_requestAnimationFrame = true` before importing `zone.js`,
* `zone.js` does not monkey patch the `requestAnimationFrame()` API and the above code
* outputs 'raf <root>'.
*/
__Zone_disable_requestAnimationFrame?: boolean;
/**
*
* Disable the monkey patch of the browser blocking APIs(`alert()`/`prompt()`/`confirm()`).
*/
__Zone_disable_blocking?: boolean;
/**
* Disable the monkey patch of the browser `EventTarget` APIs.
*
* By default, `zone.js` monkey patches EventTarget APIs. The callbacks of the
* `addEventListener()` run in the same zone when the `addEventListener()` is called.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* div.addEventListener('click', () => {
* console.log('div event listener is invoked in the zone', Zone.current.name);
* // the output is 'div event listener is invoked in the zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_EventTarget = true` before importing `zone.js`,
* `zone.js` does not monkey patch EventTarget API and the above code
* outputs 'clicked <root>'.
*
*/
__Zone_disable_EventTarget?: boolean;
/**
* Disable the monkey patch of the browser onProperty APIs(such as onclick).
*
* By default, `zone.js` monkey patches onXXX properties (such as onclick). The callbacks of onXXX
* properties run in the same zone when the onXXX properties is set.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
* zone.run(() => {
* div.onclick = () => {
* console.log('div click event listener is invoked in the zone', Zone.current.name);
* // the output will be 'div click event listener is invoked in the zone myZone'
* }
* });
* ```
*
* If you set `__Zone_disable_on_property = true` before importing `zone.js`,
* `zone.js` does not monkey patch onXXX properties and the above code
* outputs 'clicked <root>'.
*
*/
__Zone_disable_on_property?: boolean;
/**
* Disable the monkey patch of the browser `customElements` APIs.
*
* By default, `zone.js` monkey patches `customElements` APIs to make callbacks run in the
* same zone when the `customElements.define()` is called.
*
* Consider the following example:
*
* ```
* class TestCustomElement extends HTMLElement {
* constructor() { super(); }
* connectedCallback() {}
* disconnectedCallback() {}
* attributeChangedCallback(attrName, oldVal, newVal) {}
* adoptedCallback() {}
* }
*
* const zone = Zone.fork({name: 'myZone'});
* zone.run(() => {
* customElements.define('x-elem', TestCustomElement);
* });
* ```
*
* All those callbacks defined in TestCustomElement runs in the zone when
* the `customElements.define()` is called.
*
* If you set `__Zone_disable_customElements = true` before importing `zone.js`,
* `zone.js` does not monkey patch `customElements` APIs and the above code
* runs inside <root> zone.
*/
__Zone_disable_customElements?: boolean;
/**
* Disable the monkey patch of the browser `XMLHttpRequest` APIs.
*
* By default, `zone.js` monkey patches `XMLHttpRequest` APIs to make XMLHttpRequest act
* as macroTask.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({
* name: 'myZone',
* onScheduleTask: (delegate, curr, target, task) => {
* console.log('task is scheduled', task.type, task.source, task.zone.name);
* return delegate.scheduleTask(target, task);
* }
* })
* const xhr = new XMLHttpRequest();
* zone.run(() => {
* xhr.onload = function() {};
* xhr.open('get', '/', true);
* xhr.send();
* });
* ```
*
* In this example, the instance of XMLHttpRequest runs in the zone and acts as a macroTask. The
* output is 'task is scheduled macroTask, XMLHttpRequest.send, zone'.
*
* If you set `__Zone_disable_XHR = true` before importing `zone.js`,
* `zone.js` does not monkey patch `XMLHttpRequest` APIs and the above onScheduleTask callback
* will not be called.
*
*/
__Zone_disable_XHR?: boolean;
/**
* Disable the monkey patch of the browser geolocation APIs.
*
* By default, `zone.js` monkey patches geolocation APIs to make callbacks run in the same zone
* when those APIs are called.
*
* Consider the following examples:
*
* ```
* const zone = Zone.current.fork({
* name: 'myZone'
* });
*
* zone.run(() => {
* navigator.geolocation.getCurrentPosition(pos => {
* console.log('navigator.getCurrentPosition() callback is invoked in the zone',
* Zone.current.name);
* // output is 'navigator.getCurrentPosition() callback is invoked in the zone myZone'.
* }
* });
* ```
*
* If set you `__Zone_disable_geolocation = true` before importing `zone.js`,
* `zone.js` does not monkey patch geolocation APIs and the above code
* outputs 'getCurrentPosition <root>'.
*
*/
__Zone_disable_geolocation?: boolean;
/**
* Disable the monkey patch of the browser `canvas` APIs.
*
* By default, `zone.js` monkey patches `canvas` APIs to make callbacks run in the same zone when
* those APIs are called.
*
* Consider the following example:
*
* ```
* const zone = Zone.current.fork({
* name: 'myZone'
* });
*
* zone.run(() => {
* canvas.toBlob(blog => {
* console.log('canvas.toBlob() callback is invoked in the zone', Zone.current.name);
* // output is 'canvas.toBlob() callback is invoked in the zone myZone'.
* }
* });
* ```
*
* If you set `__Zone_disable_canvas = true` before importing `zone.js`,
* `zone.js` does not monkey patch `canvas` APIs and the above code
* outputs 'canvas.toBlob <root>'.
*/
__Zone_disable_canvas?: boolean;
/**
* Disable the `Promise` monkey patch.
*
* By default, `zone.js` monkey patches `Promise` APIs to make the `then()/catch()` callbacks in
* the same zone when those callbacks are called.
*
* Consider the following examples:
*
* ```
* const zone = Zone.current.fork({name: 'myZone'});
*
* const p = Promise.resolve(1);
*
* zone.run(() => {
* p.then(() => {
* console.log('then() callback is invoked in the zone', Zone.current.name);
* // output is 'then() callback is invoked in the zone myZone'.
* });
* });
* ```
*
* If you set `__Zone_disable_ZoneAwarePromise = true` before importing `zone.js`,
* `zone.js` does not monkey patch `Promise` APIs and the above code
* outputs 'promise then callback <root>'.
*/
__Zone_disable_ZoneAwarePromise?: boolean;
/**
* Define event names that users don't want monkey patched by the `zone.js`.
*
* By default, `zone.js` monkey patches EventTarget.addEventListener(). The event listener
* callback runs in the same zone when the addEventListener() is called.
*
* Sometimes, you don't want all of the event names used in this patched version because it
* impacts performance. For example, you might want `scroll` or `mousemove` event listeners to run
* the native `addEventListener()` for better performance.
*
* Users can achieve this goal by defining `__zone_symbol__UNPATCHED_EVENTS = ['scroll',
* 'mousemove'];` before importing `zone.js`.
*/
__zone_symbol__UNPATCHED_EVENTS?: string[];
/**
* Define the event names of the passive listeners.
*
* To add passive event listeners, you can use `elem.addEventListener('scroll', listener,
* {passive: true});` or implement your own `EventManagerPlugin`.
*
* You can also define a global variable as follows:
*
* ```
* __zone_symbol__PASSIVE_EVENTS = ['scroll'];
* ```
*
* The preceding code makes all scroll event listeners passive.
*/
__zone_symbol__PASSIVE_EVENTS?: string[];
/**
* Disable wrapping uncaught promise rejection.
*
* By default, `zone.js` wraps the uncaught promise rejection in a new `Error` object
* which contains additional information such as a value of the rejection and a stack trace.
*
* If you set `__zone_symbol__DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION = true;` before
* importing `zone.js`, `zone.js` will not wrap the uncaught promise rejection.
*/
__zone_symbol__DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION?: boolean;
}
/**
* Interface of `zone-testing.js` test configurations.
*
* You can define the following configurations on the `window` or `global` object before
* importing `zone-testing.js` to change `zone-testing.js` default behaviors in the test runner.
*/
interface ZoneTestConfigurations {
/**
* Disable the Jasmine integration.
*
* In the `zone-testing.js` bundle, by default, `zone-testing.js` monkey patches Jasmine APIs
* to make Jasmine APIs run in specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` methods run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`beforeAll()`/`afterAll()`
* methods run in the ProxyZone.
*
* With this patch, `async()`/`fakeAsync()` can work with the Jasmine runner.
*
* If you set `__Zone_disable_jasmine = true` before importing `zone-testing.js`,
* `zone-testing.js` does not monkey patch the jasmine APIs and the `async()`/`fakeAsync()` cannot
* work with the Jasmine runner any longer.
*/
__Zone_disable_jasmine?: boolean;
/**
* Disable the Mocha integration.
*
* In the `zone-testing.js` bundle, by default, `zone-testing.js` monkey patches the Mocha APIs
* to make Mocha APIs run in the specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` methods run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`beforeAll()`/`afterAll()`
* methods run in the ProxyZone.
*
* With this patch, `async()`/`fakeAsync()` can work with the Mocha runner.
*
* If you set `__Zone_disable_mocha = true` before importing `zone-testing.js`,
* `zone-testing.js` does not monkey patch the Mocha APIs and the `async()/`fakeAsync()` can not
* work with the Mocha runner any longer.
*/
__Zone_disable_mocha?: boolean;
/**
* Disable the Jest integration.
*
* In the `zone-testing.js` bundle, by default, `zone-testing.js` monkey patches Jest APIs
* to make Jest APIs run in the specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` methods run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`before()`/`after()` methods
* run in the ProxyZone.
*
* With this patch, `async()`/`fakeAsync()` can work with the Jest runner.
*
* If you set `__Zone_disable_jest = true` before importing `zone-testing.js`,
* `zone-testing.js` does not monkey patch the jest APIs and `async()`/`fakeAsync()` cannot
* work with the Jest runner any longer.
*/
__Zone_disable_jest?: boolean;
/**
* Disable monkey patch the jasmine clock APIs.
*
* By default, `zone-testing.js` monkey patches the `jasmine.clock()` API,
* so the `jasmine.clock()` can work with the `fakeAsync()/tick()` API.
*
* Consider the following example:
*
* ```
* describe('jasmine.clock integration', () => {
* beforeEach(() => {
* jasmine.clock().install();
* });
* afterEach(() => {
* jasmine.clock().uninstall();
* });
* it('fakeAsync test', fakeAsync(() => {
* setTimeout(spy, 100);
* expect(spy).not.toHaveBeenCalled();
* jasmine.clock().tick(100);
* expect(spy).toHaveBeenCalled();
* }));
* });
* ```
*
* In the `fakeAsync()` method, `jasmine.clock().tick()` works just like `tick()`.
*
* If you set `__zone_symbol__fakeAsyncDisablePatchingClock = true` before importing
* `zone-testing.js`,`zone-testing.js` does not monkey patch the `jasmine.clock()` APIs and the
* `jasmine.clock()` cannot work with `fakeAsync()` any longer.
*/
__zone_symbol__fakeAsyncDisablePatchingClock?: boolean;
/**
* Enable auto running into `fakeAsync()` when installing the `jasmine.clock()`.
*
* By default, `zone-testing.js` does not automatically run into `fakeAsync()`
* if the `jasmine.clock().install()` is called.
*
* Consider the following example:
*
* ```
* describe('jasmine.clock integration', () => {
* beforeEach(() => {
* jasmine.clock().install();
* });
* afterEach(() => {
* jasmine.clock().uninstall();
* });
* it('fakeAsync test', fakeAsync(() => {
* setTimeout(spy, 100);
* expect(spy).not.toHaveBeenCalled();
* jasmine.clock().tick(100);
* expect(spy).toHaveBeenCalled();
* }));
* });
* ```
*
* You must run `fakeAsync()` to make test cases in the `FakeAsyncTestZone`.
*
* If you set `__zone_symbol__fakeAsyncAutoFakeAsyncWhenClockPatched = true` before importing
* `zone-testing.js`, `zone-testing.js` can run test case automatically in the
* `FakeAsyncTestZone` without calling the `fakeAsync()`.
*
* Consider the following example:
*
* ```
* describe('jasmine.clock integration', () => {
* beforeEach(() => {
* jasmine.clock().install();
* });
* afterEach(() => {
* jasmine.clock().uninstall();
* });
* it('fakeAsync test', () => { // here we don't need to call fakeAsync
* setTimeout(spy, 100);
* expect(spy).not.toHaveBeenCalled();
* jasmine.clock().tick(100);
* expect(spy).toHaveBeenCalled();
* });
* });
* ```
*
*/
__zone_symbol__fakeAsyncAutoFakeAsyncWhenClockPatched?: boolean;
/**
* Enable waiting for the unresolved promise in the `async()` test.
*
* In the `async()` test, `AsyncTestZone` waits for all the asynchronous tasks to finish. By
* default, if some promises remain unresolved, `AsyncTestZone` does not wait and reports that it
* received an unexpected result.
*
* Consider the following example:
*
* ```
* describe('wait never resolved promise', () => {
* it('async with never resolved promise test', async(() => {
* const p = new Promise(() => {});
* p.then(() => {
* // do some expectation.
* });
* }))
* });
* ```
*
* By default, this case passes, because the callback of `p.then()` is never called. Because `p`
* is an unresolved promise, there is no pending asynchronous task, which means the `async()`
* method does not wait.
*
* If you set `__zone_symbol__supportWaitUnResolvedChainedPromise = true`, the above case
* times out, because `async()` will wait for the unresolved promise.
*/
__zone_symbol__supportWaitUnResolvedChainedPromise?: boolean;
}
/**
* The interface of the `zone.js` runtime configurations.
*
* These configurations can be defined on the `Zone` object after
* importing zone.js to change behaviors. The differences between
* the `ZoneRuntimeConfigurations` and the `ZoneGlobalConfigurations` are,
*
* 1. `ZoneGlobalConfigurations` must be defined on the `global/window` object before importing
* `zone.js`. The value of the configuration cannot be changed at runtime.
*
* 2. `ZoneRuntimeConfigurations` must be defined on the `Zone` object after importing `zone.js`.
* You can change the value of this configuration at runtime.
*
*/
interface ZoneRuntimeConfigurations {
/**
* Ignore outputting errors to the console when uncaught Promise errors occur.
*
* By default, if an uncaught Promise error occurs, `zone.js` outputs the
* error to the console by calling `console.error()`.
*
* If you set `__zone_symbol__ignoreConsoleErrorUncaughtError = true`, `zone.js` does not output
* the uncaught error to `console.error()`.
*/
__zone_symbol__ignoreConsoleErrorUncaughtError?: boolean;
}