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4.4 KiB
JavaScript

'use strict';
function _jsdom() {
const data = require('jsdom');
_jsdom = function () {
return data;
};
return data;
}
function _fakeTimers() {
const data = require('@jest/fake-timers');
_fakeTimers = function () {
return data;
};
return data;
}
function _jestMock() {
const data = require('jest-mock');
_jestMock = function () {
return data;
};
return data;
}
function _jestUtil() {
const data = require('jest-util');
_jestUtil = function () {
return data;
};
return data;
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
class JSDOMEnvironment {
constructor(config, options = {}) {
_defineProperty(this, 'dom', void 0);
_defineProperty(this, 'fakeTimers', void 0);
_defineProperty(this, 'fakeTimersModern', void 0);
_defineProperty(this, 'global', void 0);
_defineProperty(this, 'errorEventListener', void 0);
_defineProperty(this, 'moduleMocker', void 0);
this.dom = new (_jsdom().JSDOM)('<!DOCTYPE html>', {
pretendToBeVisual: true,
runScripts: 'dangerously',
url: config.testURL,
virtualConsole: new (_jsdom().VirtualConsole)().sendTo(
options.console || console
),
...config.testEnvironmentOptions
});
const global = (this.global = this.dom.window.document.defaultView);
if (!global) {
throw new Error('JSDOM did not return a Window object');
} // In the `jsdom@16`, ArrayBuffer was not added to Window, ref: https://github.com/jsdom/jsdom/commit/3a4fd6258e6b13e9cf8341ddba60a06b9b5c7b5b
// Install ArrayBuffer to Window to fix it. Make sure the test is passed, ref: https://github.com/facebook/jest/pull/7626
global.ArrayBuffer = ArrayBuffer; // Node's error-message stack size is limited at 10, but it's pretty useful
// to see more than that when a test fails.
this.global.Error.stackTraceLimit = 100;
(0, _jestUtil().installCommonGlobals)(global, config.globals); // Report uncaught errors.
this.errorEventListener = event => {
if (userErrorListenerCount === 0 && event.error) {
process.emit('uncaughtException', event.error);
}
};
global.addEventListener('error', this.errorEventListener); // However, don't report them as uncaught if the user listens to 'error' event.
// In that case, we assume the might have custom error handling logic.
const originalAddListener = global.addEventListener;
const originalRemoveListener = global.removeEventListener;
let userErrorListenerCount = 0;
global.addEventListener = function (...args) {
if (args[0] === 'error') {
userErrorListenerCount++;
}
return originalAddListener.apply(this, args);
};
global.removeEventListener = function (...args) {
if (args[0] === 'error') {
userErrorListenerCount--;
}
return originalRemoveListener.apply(this, args);
};
this.moduleMocker = new (_jestMock().ModuleMocker)(global);
const timerConfig = {
idToRef: id => id,
refToId: ref => ref
};
this.fakeTimers = new (_fakeTimers().LegacyFakeTimers)({
config,
global,
moduleMocker: this.moduleMocker,
timerConfig
});
this.fakeTimersModern = new (_fakeTimers().ModernFakeTimers)({
config,
global
});
}
async setup() {}
async teardown() {
if (this.fakeTimers) {
this.fakeTimers.dispose();
}
if (this.fakeTimersModern) {
this.fakeTimersModern.dispose();
}
if (this.global) {
if (this.errorEventListener) {
this.global.removeEventListener('error', this.errorEventListener);
} // Dispose "document" to prevent "load" event from triggering.
Object.defineProperty(this.global, 'document', {
value: null
});
this.global.close();
}
this.errorEventListener = null; // @ts-expect-error
this.global = null;
this.dom = null;
this.fakeTimers = null;
this.fakeTimersModern = null;
}
runScript(script) {
if (this.dom) {
return script.runInContext(this.dom.getInternalVMContext());
}
return null;
}
getVmContext() {
if (this.dom) {
return this.dom.getInternalVMContext();
}
return null;
}
}
module.exports = JSDOMEnvironment;