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

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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
*/
/**
* Interface of zone.js configurations.
*
* You can define the following configurations on the window/global object before
* importing `dist/zone.js` to change zone.js default behaviors.
*/
interface ZoneGlobalConfigurations {
/**
* Disable the monkey patch of the `Node.js` `EventEmitter` API.
*
* By default, the `zone.js` monkey patches the `Node.js` `EventEmitter` APIs to make async
* 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_EventEmtter = true` before importing zone.js,
* `zone.js` does not monkey patch the `EventEmitter` API 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, the `zone.js` monkey patches `Node.js` `fs` APIs to make async 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, the `zone.js` monkey patches the `Node.js` `timer` APIs to make async 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 async 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 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, by default, `zone.js` monkey patches `Object.defineProperty()`
* `Object.create()` to try to ensure all property's configurable 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 bundle, by default, `zone.js` monkey patches `registerElement()` API to make
* async 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 those 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` can not directly monkey
* patch the `EventTarget`, instead zone.js patches all known Html Elements' prototypes(such as
* HtmlDivElement). So 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 (`EventTarget` not available).
* `zone.js` does not monkey patch all Html Elements 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 async 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 async 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. So the callbacks of the
* `addEventListener()` runs 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). So the callbacks of onXXX
* properties runs 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 of the custom
* Element run in the same zone when the element is defined.
*
* 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 the `XMLHttpRequest` runs in the zone and acts as macroTask,
* so 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 geolcation 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 patckes `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()`, so the event listener
* callback runs in the zone when `addEventListener()` is called.
*
* But sometimes, users don't want all the event names use this patched version because it
* has performance impact. For example, in some cases, users want `scroll` or `mousemove` event
* listeners run with native `addEventListener()` for better performance.
*
* Users can achieve this goal by defining `__zone_symbol__UNPATCHED_EVENTS = ['scroll',
* 'mousemove'];` before imporing `zone.js`.
*/
__zone_symbol__UNPATCHED_EVENTS?: boolean;
/**
* Define the event names of the passive listeners.
*
* Now Angular doesn't support to add event listeners as passive very easily. User needs to use
* `elem.addEventListener('scroll', listener, {passive: true});` or implements their own
* EventManagerPlugin to do that. Angular may finally support new template syntax to support
* passive event, for now, this configuration allows the user to define the
* passive event names in zone.js configurations.
*
* User can define a global varibale like this.
*
* ```
* __zone_symbol__PASSIVE_EVENTS = ['scroll'];
* ```
*
* to let all `scroll` event listeners passive.
*/
__zone_symbol__PASSIVE_EVENTS?: boolean;
}
/**
* Interface of zone.js test configurations.
*
* You can define the following configurations on the `window` or `global` object before
* importing `dist/zone-testing.js` to change zone.js default behaviors in the test runner.
*/
interface ZoneTestConfigurations {
/**
* Disable the jasmine integration.
*
* In the zone-testing.js bundle, by default, zone monkey patches jasmine APIs
* to make jasmine APIs run in specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`beforeAll()`/`afterAll()` run
* in the ProxyZone.
*
* With this patch, `async()`/`fakeAsync()` can work with the jasmine runner.
*
* If you set `__Zone_disable_jasmine = true` before importing `dist/zone-testing.js`,
* `zone.js` does not monkey patch the jasmine APIs and the `async()`/`fakeAsync()` can not
* work with the jasmine runner any longer.
*/
__Zone_disable_jasmine?: boolean;
/**
* Disable the mocha integration.
*
* In the `zone-testing.js` bundle, by default, zone monkey patches the mocha APIs
* to make mocha APIs run in the specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`beforeAll()`/`afterAll()` 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.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 monkey patches jest APIs
* to make jest APIs run in the specified zone.
*
* 1. Make the `describe()`/`xdescribe()`/`fdescribe()` run in the syncTestZone.
* 2. Make the `it()`/`xit()`/`fit()`/`beforeEach()`/`afterEach()`/`before()`/`after()` 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.js` does not monkey patch the jest APIs and `async()`/`fakeAsync()` can not
* 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();
* }));
* });
* ```
*
* So in the `fakeAsync()`, `jasmine.clock().tick()` works just like `tick()`.
*
* If you set `__zone_symbol__fakeAsyncDisablePatchingClock = true` before importing
* zone-testing.js,`zone.js` does not monkey patch the `jasmine.clock()` APIs and the
* `jasmine.clock()` can not 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();
* }));
* });
* ```
*
* So we still need to run `fakeAsync()` to make a test case in the `FakeAsyncTestZone`.
*
* If you set `__zone_symbol__fakeAsyncAutoFakeAsyncWhenClockPatched = true` before importing
* zone-testing.js, `zone.js` can run test case automatically into 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 async tasks to be finished. But if
* some promises never resolved, by default, `AsyncTestZone` does not wait and report 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 expection.
* });
* }))
* });
* ```
*
* By default, this case passes, because the callback of `p.then()` does not
* be called, and the `async()` does not wait there, because p is an unresolved
* promise, so there is no pending async task.
*
* If you set `__zone_symbol__supportWaitUnResolvedChainedPromise = true`, the above case
* timeouts, becasue `async()` will wait for the unresolved promise.
*/
__zone_symbol__supportWaitUnResolvedChainedPromise?: boolean;
}
/**
* The interface of the zone runtime configurations.
*
* Those 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. the `ZoneGlobalConfigurations` need to be defined on the global/window object before
* importing `dist/zone.js`, the value of the configuration can not be changed at runtime.
*
* 2. the `ZoneRuntimeConfigurations` need to be defined on Zone object after importing
* `dist/zone.js`, the value of the configuration canbe changed at runtime.
*
*/
interface ZoneRuntimeConfigurations {
/**
* Ignore outputing error to console when uncaught Promise error occurs.
*
* By default, if 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
* uncaught error to `console.error()`.
*/
__zone_symbol__ignoreConsoleErrorUncaughtError?: boolean;
}