index.js
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'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)(
typeof config.testEnvironmentOptions.html === 'string'
? config.testEnvironmentOptions.html
: '<!DOCTYPE html>',
{
pretendToBeVisual: true,
resources:
typeof config.testEnvironmentOptions.userAgent === 'string'
? new (_jsdom().ResourceLoader)({
userAgent: config.testEnvironmentOptions.userAgent
})
: undefined,
runScripts: 'dangerously',
url: config.testURL,
virtualConsole: new (_jsdom().VirtualConsole)().sendTo(
(options === null || options === void 0 ? void 0 : 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');
} // for "universal" code (code should use `globalThis`)
global.global = global; // 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); // TODO: remove this ASAP, but it currently causes tests to run really slow
global.Buffer = Buffer; // 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: global,
moduleMocker: this.moduleMocker,
timerConfig
});
this.fakeTimersModern = new (_fakeTimers().ModernFakeTimers)({
config,
global: 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);
}
this.global.close(); // Dispose "document" to prevent "load" event from triggering.
// Note that this.global.close() will trigger the CustomElement::disconnectedCallback
// Do not reset the document before CustomElement disconnectedCallback function has finished running,
// document should be accessible within disconnectedCallback.
Object.defineProperty(this.global, 'document', {
value: null
});
}
this.errorEventListener = null; // @ts-expect-error
this.global = null;
this.dom = null;
this.fakeTimers = null;
this.fakeTimersModern = null;
}
getVmContext() {
if (this.dom) {
return this.dom.getInternalVMContext();
}
return null;
}
}
module.exports = JSDOMEnvironment;