challenge-algorithms-v2.0-s.../node_modules/@jest/fake-timers/build/modernFakeTimers.js

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2022-10-27 18:51:35 +00:00
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
function _fakeTimers() {
const data = require('@sinonjs/fake-timers');
_fakeTimers = function () {
return data;
};
return data;
}
function _jestMessageUtil() {
const data = require('jest-message-util');
_jestMessageUtil = function () {
return data;
};
return data;
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
class FakeTimers {
_clock;
_config;
_fakingTime;
_global;
_fakeTimers;
constructor({global, config}) {
this._global = global;
this._config = config;
this._fakingTime = false;
this._fakeTimers = (0, _fakeTimers().withGlobal)(global);
}
clearAllTimers() {
if (this._fakingTime) {
this._clock.reset();
}
}
dispose() {
this.useRealTimers();
}
runAllTimers() {
if (this._checkFakeTimers()) {
this._clock.runAll();
}
}
runOnlyPendingTimers() {
if (this._checkFakeTimers()) {
this._clock.runToLast();
}
}
advanceTimersToNextTimer(steps = 1) {
if (this._checkFakeTimers()) {
for (let i = steps; i > 0; i--) {
this._clock.next();
// Fire all timers at this point: https://github.com/sinonjs/fake-timers/issues/250
this._clock.tick(0);
if (this._clock.countTimers() === 0) {
break;
}
}
}
}
advanceTimersByTime(msToRun) {
if (this._checkFakeTimers()) {
this._clock.tick(msToRun);
}
}
runAllTicks() {
if (this._checkFakeTimers()) {
// @ts-expect-error - doesn't exist?
this._clock.runMicrotasks();
}
}
useRealTimers() {
if (this._fakingTime) {
this._clock.uninstall();
this._fakingTime = false;
}
}
useFakeTimers(fakeTimersConfig) {
if (this._fakingTime) {
this._clock.uninstall();
}
this._clock = this._fakeTimers.install(
this._toSinonFakeTimersConfig(fakeTimersConfig)
);
this._fakingTime = true;
}
reset() {
if (this._checkFakeTimers()) {
const {now} = this._clock;
this._clock.reset();
this._clock.setSystemTime(now);
}
}
setSystemTime(now) {
if (this._checkFakeTimers()) {
this._clock.setSystemTime(now);
}
}
getRealSystemTime() {
return Date.now();
}
now() {
if (this._fakingTime) {
return this._clock.now;
}
return Date.now();
}
getTimerCount() {
if (this._checkFakeTimers()) {
return this._clock.countTimers();
}
return 0;
}
_checkFakeTimers() {
if (!this._fakingTime) {
this._global.console.warn(
'A function to advance timers was called but the timers APIs are not replaced ' +
'with fake timers. Call `jest.useFakeTimers()` in this test file or enable ' +
"fake timers for all tests by setting 'fakeTimers': {'enableGlobally': true} " +
`in Jest configuration file.\nStack Trace:\n${(0,
_jestMessageUtil().formatStackTrace)(
new Error().stack,
this._config,
{
noStackTrace: false
}
)}`
);
}
return this._fakingTime;
}
_toSinonFakeTimersConfig(fakeTimersConfig = {}) {
fakeTimersConfig = {
...this._config.fakeTimers,
...fakeTimersConfig
};
const advanceTimeDelta =
typeof fakeTimersConfig.advanceTimers === 'number'
? fakeTimersConfig.advanceTimers
: undefined;
const toFake = new Set(Object.keys(this._fakeTimers.timers));
fakeTimersConfig.doNotFake?.forEach(nameOfFakeableAPI => {
toFake.delete(nameOfFakeableAPI);
});
return {
advanceTimeDelta,
loopLimit: fakeTimersConfig.timerLimit || 100_000,
now: fakeTimersConfig.now ?? Date.now(),
shouldAdvanceTime: Boolean(fakeTimersConfig.advanceTimers),
shouldClearNativeTimers: true,
toFake: Array.from(toFake)
};
}
}
exports.default = FakeTimers;