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"use strict";
var globalObject = require("@sinonjs/commons").global;
// eslint-disable-next-line complexity
function withGlobal(_global) {
var userAgent = _global.navigator && _global.navigator.userAgent;
var isRunningInIE = userAgent && userAgent.indexOf("MSIE ") > -1;
var maxTimeout = Math.pow(2, 31) - 1; //see https://heycam.github.io/webidl/#abstract-opdef-converttoint
var NOOP = function() {
return undefined;
};
var NOOP_ARRAY = function() {
return [];
};
var timeoutResult = _global.setTimeout(NOOP, 0);
var addTimerReturnsObject = typeof timeoutResult === "object";
var hrtimePresent =
_global.process && typeof _global.process.hrtime === "function";
var hrtimeBigintPresent =
hrtimePresent && typeof _global.process.hrtime.bigint === "function";
var nextTickPresent =
_global.process && typeof _global.process.nextTick === "function";
var utilPromisify = _global.process && require("util").promisify;
var performancePresent =
_global.performance && typeof _global.performance.now === "function";
var hasPerformancePrototype =
_global.Performance &&
(typeof _global.Performance).match(/^(function|object)$/);
var queueMicrotaskPresent = _global.hasOwnProperty("queueMicrotask");
var requestAnimationFramePresent =
_global.requestAnimationFrame &&
typeof _global.requestAnimationFrame === "function";
var cancelAnimationFramePresent =
_global.cancelAnimationFrame &&
typeof _global.cancelAnimationFrame === "function";
var requestIdleCallbackPresent =
_global.requestIdleCallback &&
typeof _global.requestIdleCallback === "function";
var cancelIdleCallbackPresent =
_global.cancelIdleCallback &&
typeof _global.cancelIdleCallback === "function";
var setImmediatePresent =
_global.setImmediate && typeof _global.setImmediate === "function";
// Make properties writable in IE, as per
// http://www.adequatelygood.com/Replacing-setTimeout-Globally.html
/* eslint-disable no-self-assign */
if (isRunningInIE) {
_global.setTimeout = _global.setTimeout;
_global.clearTimeout = _global.clearTimeout;
_global.setInterval = _global.setInterval;
_global.clearInterval = _global.clearInterval;
_global.Date = _global.Date;
}
// setImmediate is not a standard function
// avoid adding the prop to the window object if not present
if (setImmediatePresent) {
_global.setImmediate = _global.setImmediate;
_global.clearImmediate = _global.clearImmediate;
}
/* eslint-enable no-self-assign */
_global.clearTimeout(timeoutResult);
var NativeDate = _global.Date;
var uniqueTimerId = 1;
function isNumberFinite(num) {
if (Number.isFinite) {
return Number.isFinite(num);
}
if (typeof num !== "number") {
return false;
}
return isFinite(num);
}
/**
* Parse strings like "01:10:00" (meaning 1 hour, 10 minutes, 0 seconds) into
* number of milliseconds. This is used to support human-readable strings passed
* to clock.tick()
*/
function parseTime(str) {
if (!str) {
return 0;
}
var strings = str.split(":");
var l = strings.length;
var i = l;
var ms = 0;
var parsed;
if (l > 3 || !/^(\d\d:){0,2}\d\d?$/.test(str)) {
throw new Error(
"tick only understands numbers, 'm:s' and 'h:m:s'. Each part must be two digits"
);
}
while (i--) {
parsed = parseInt(strings[i], 10);
if (parsed >= 60) {
throw new Error("Invalid time " + str);
}
ms += parsed * Math.pow(60, l - i - 1);
}
return ms * 1000;
}
/**
* Get the decimal part of the millisecond value as nanoseconds
*
* @param {Number} msFloat the number of milliseconds
* @returns {Number} an integer number of nanoseconds in the range [0,1e6)
*
* Example: nanoRemainer(123.456789) -> 456789
*/
function nanoRemainder(msFloat) {
var modulo = 1e6;
var remainder = (msFloat * 1e6) % modulo;
var positiveRemainder = remainder < 0 ? remainder + modulo : remainder;
return Math.floor(positiveRemainder);
}
/**
* Used to grok the `now` parameter to createClock.
* @param epoch {Date|number} the system time
*/
function getEpoch(epoch) {
if (!epoch) {
return 0;
}
if (typeof epoch.getTime === "function") {
return epoch.getTime();
}
if (typeof epoch === "number") {
return epoch;
}
throw new TypeError("now should be milliseconds since UNIX epoch");
}
function inRange(from, to, timer) {
return timer && timer.callAt >= from && timer.callAt <= to;
}
function mirrorDateProperties(target, source) {
var prop;
for (prop in source) {
if (source.hasOwnProperty(prop)) {
target[prop] = source[prop];
}
}
// set special now implementation
if (source.now) {
target.now = function now() {
return target.clock.now;
};
} else {
delete target.now;
}
// set special toSource implementation
if (source.toSource) {
target.toSource = function toSource() {
return source.toSource();
};
} else {
delete target.toSource;
}
// set special toString implementation
target.toString = function toString() {
return source.toString();
};
target.prototype = source.prototype;
target.parse = source.parse;
target.UTC = source.UTC;
target.prototype.toUTCString = source.prototype.toUTCString;
return target;
}
function createDate() {
function ClockDate(year, month, date, hour, minute, second, ms) {
// the Date constructor called as a function, ref Ecma-262 Edition 5.1, section 15.9.2.
// This remains so in the 10th edition of 2019 as well.
if (!(this instanceof ClockDate)) {
return new NativeDate(ClockDate.clock.now).toString();
}
// if Date is called as a constructor with 'new' keyword
// Defensive and verbose to avoid potential harm in passing
// explicit undefined when user does not pass argument
switch (arguments.length) {
case 0:
return new NativeDate(ClockDate.clock.now);
case 1:
return new NativeDate(year);
case 2:
return new NativeDate(year, month);
case 3:
return new NativeDate(year, month, date);
case 4:
return new NativeDate(year, month, date, hour);
case 5:
return new NativeDate(year, month, date, hour, minute);
case 6:
return new NativeDate(
year,
month,
date,
hour,
minute,
second
);
default:
return new NativeDate(
year,
month,
date,
hour,
minute,
second,
ms
);
}
}
return mirrorDateProperties(ClockDate, NativeDate);
}
function enqueueJob(clock, job) {
// enqueues a microtick-deferred task - ecma262/#sec-enqueuejob
if (!clock.jobs) {
clock.jobs = [];
}
clock.jobs.push(job);
}
function runJobs(clock) {
// runs all microtick-deferred tasks - ecma262/#sec-runjobs
if (!clock.jobs) {
return;
}
for (var i = 0; i < clock.jobs.length; i++) {
var job = clock.jobs[i];
job.func.apply(null, job.args);
if (clock.loopLimit && i > clock.loopLimit) {
throw new Error(
"Aborting after running " +
clock.loopLimit +
" timers, assuming an infinite loop!"
);
}
}
clock.jobs = [];
}
function addTimer(clock, timer) {
if (timer.func === undefined) {
throw new Error("Callback must be provided to timer calls");
}
timer.type = timer.immediate ? "Immediate" : "Timeout";
if (timer.hasOwnProperty("delay")) {
if (!isNumberFinite(timer.delay)) {
timer.delay = 0;
}
timer.delay = timer.delay > maxTimeout ? 1 : timer.delay;
timer.delay = Math.max(0, timer.delay);
}
if (timer.hasOwnProperty("interval")) {
timer.type = "Interval";
timer.interval = timer.interval > maxTimeout ? 1 : timer.interval;
}
if (timer.hasOwnProperty("animation")) {
timer.type = "AnimationFrame";
timer.animation = true;
}
if (!clock.timers) {
clock.timers = {};
}
timer.id = uniqueTimerId++;
timer.createdAt = clock.now;
timer.callAt =
clock.now + (parseInt(timer.delay) || (clock.duringTick ? 1 : 0));
clock.timers[timer.id] = timer;
if (addTimerReturnsObject) {
var res = {
id: timer.id,
ref: function() {
return res;
},
unref: function() {
return res;
},
refresh: function() {
return res;
}
};
return res;
}
return timer.id;
}
/* eslint consistent-return: "off" */
function compareTimers(a, b) {
// Sort first by absolute timing
if (a.callAt < b.callAt) {
return -1;
}
if (a.callAt > b.callAt) {
return 1;
}
// Sort next by immediate, immediate timers take precedence
if (a.immediate && !b.immediate) {
return -1;
}
if (!a.immediate && b.immediate) {
return 1;
}
// Sort next by creation time, earlier-created timers take precedence
if (a.createdAt < b.createdAt) {
return -1;
}
if (a.createdAt > b.createdAt) {
return 1;
}
// Sort next by id, lower-id timers take precedence
if (a.id < b.id) {
return -1;
}
if (a.id > b.id) {
return 1;
}
// As timer ids are unique, no fallback `0` is necessary
}
function firstTimerInRange(clock, from, to) {
var timers = clock.timers;
var timer = null;
var id, isInRange;
for (id in timers) {
if (timers.hasOwnProperty(id)) {
isInRange = inRange(from, to, timers[id]);
if (
isInRange &&
(!timer || compareTimers(timer, timers[id]) === 1)
) {
timer = timers[id];
}
}
}
return timer;
}
function firstTimer(clock) {
var timers = clock.timers;
var timer = null;
var id;
for (id in timers) {
if (timers.hasOwnProperty(id)) {
if (!timer || compareTimers(timer, timers[id]) === 1) {
timer = timers[id];
}
}
}
return timer;
}
function lastTimer(clock) {
var timers = clock.timers;
var timer = null;
var id;
for (id in timers) {
if (timers.hasOwnProperty(id)) {
if (!timer || compareTimers(timer, timers[id]) === -1) {
timer = timers[id];
}
}
}
return timer;
}
function callTimer(clock, timer) {
if (typeof timer.interval === "number") {
clock.timers[timer.id].callAt += timer.interval;
} else {
delete clock.timers[timer.id];
}
if (typeof timer.func === "function") {
timer.func.apply(null, timer.args);
} else {
/* eslint no-eval: "off" */
eval(timer.func);
}
}
function clearTimer(clock, timerId, ttype) {
if (!timerId) {
// null appears to be allowed in most browsers, and appears to be
// relied upon by some libraries, like Bootstrap carousel
return;
}
if (!clock.timers) {
clock.timers = {};
}
// in Node, timerId is an object with .ref()/.unref(), and
// its .id field is the actual timer id.
var id = typeof timerId === "object" ? timerId.id : timerId;
if (clock.timers.hasOwnProperty(id)) {
// check that the ID matches a timer of the correct type
var timer = clock.timers[id];
if (timer.type === ttype) {
delete clock.timers[id];
} else {
var clear =
ttype === "AnimationFrame"
? "cancelAnimationFrame"
: "clear" + ttype;
var schedule =
timer.type === "AnimationFrame"
? "requestAnimationFrame"
: "set" + timer.type;
throw new Error(
"Cannot clear timer: timer created with " +
schedule +
"() but cleared with " +
clear +
"()"
);
}
}
}
function uninstall(clock, target, config) {
var method, i, l;
var installedHrTime = "_hrtime";
var installedNextTick = "_nextTick";
for (i = 0, l = clock.methods.length; i < l; i++) {
method = clock.methods[i];
if (method === "hrtime" && target.process) {
target.process.hrtime = clock[installedHrTime];
} else if (method === "nextTick" && target.process) {
target.process.nextTick = clock[installedNextTick];
} else if (method === "performance") {
var originalPerfDescriptor = Object.getOwnPropertyDescriptor(
clock,
"_" + method
);
if (
originalPerfDescriptor &&
originalPerfDescriptor.get &&
!originalPerfDescriptor.set
) {
Object.defineProperty(
target,
method,
originalPerfDescriptor
);
} else if (originalPerfDescriptor.configurable) {
target[method] = clock["_" + method];
}
} else {
if (target[method] && target[method].hadOwnProperty) {
target[method] = clock["_" + method];
if (
method === "clearInterval" &&
config.shouldAdvanceTime === true
) {
target[method](clock.attachedInterval);
}
} else {
try {
delete target[method];
} catch (ignore) {
/* eslint no-empty: "off" */
}
}
}
}
// Prevent multiple executions which will completely remove these props
clock.methods = [];
// return pending timers, to enable checking what timers remained on uninstall
if (!clock.timers) {
return [];
}
return Object.keys(clock.timers).map(function mapper(key) {
return clock.timers[key];
});
}
function hijackMethod(target, method, clock) {
var prop;
clock[method].hadOwnProperty = Object.prototype.hasOwnProperty.call(
target,
method
);
clock["_" + method] = target[method];
if (method === "Date") {
var date = mirrorDateProperties(clock[method], target[method]);
target[method] = date;
} else if (method === "performance") {
var originalPerfDescriptor = Object.getOwnPropertyDescriptor(
target,
method
);
// JSDOM has a read only performance field so we have to save/copy it differently
if (
originalPerfDescriptor &&
originalPerfDescriptor.get &&
!originalPerfDescriptor.set
) {
Object.defineProperty(
clock,
"_" + method,
originalPerfDescriptor
);
var perfDescriptor = Object.getOwnPropertyDescriptor(
clock,
method
);
Object.defineProperty(target, method, perfDescriptor);
} else {
target[method] = clock[method];
}
} else {
target[method] = function() {
return clock[method].apply(clock, arguments);
};
for (prop in clock[method]) {
if (clock[method].hasOwnProperty(prop)) {
target[method][prop] = clock[method][prop];
}
}
}
target[method].clock = clock;
}
function doIntervalTick(clock, advanceTimeDelta) {
clock.tick(advanceTimeDelta);
}
var timers = {
setTimeout: _global.setTimeout,
clearTimeout: _global.clearTimeout,
setInterval: _global.setInterval,
clearInterval: _global.clearInterval,
Date: _global.Date
};
if (setImmediatePresent) {
timers.setImmediate = _global.setImmediate;
timers.clearImmediate = _global.clearImmediate;
}
if (hrtimePresent) {
timers.hrtime = _global.process.hrtime;
}
if (nextTickPresent) {
timers.nextTick = _global.process.nextTick;
}
if (performancePresent) {
timers.performance = _global.performance;
}
if (requestAnimationFramePresent) {
timers.requestAnimationFrame = _global.requestAnimationFrame;
}
if (queueMicrotaskPresent) {
timers.queueMicrotask = true;
}
if (cancelAnimationFramePresent) {
timers.cancelAnimationFrame = _global.cancelAnimationFrame;
}
if (requestIdleCallbackPresent) {
timers.requestIdleCallback = _global.requestIdleCallback;
}
if (cancelIdleCallbackPresent) {
timers.cancelIdleCallback = _global.cancelIdleCallback;
}
var keys =
Object.keys ||
function(obj) {
var ks = [];
var key;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
ks.push(key);
}
}
return ks;
};
var originalSetTimeout = _global.setImmediate || _global.setTimeout;
/**
* @param start {Date|number} the system time - non-integer values are floored
* @param loopLimit {number} maximum number of timers that will be run when calling runAll()
*/
function createClock(start, loopLimit) {
// eslint-disable-next-line no-param-reassign
start = Math.floor(getEpoch(start));
// eslint-disable-next-line no-param-reassign
loopLimit = loopLimit || 1000;
var nanos = 0;
var adjustedSystemTime = [0, 0]; // [millis, nanoremainder]
if (NativeDate === undefined) {
throw new Error(
"The global scope doesn't have a `Date` object" +
" (see https://github.com/sinonjs/sinon/issues/1852#issuecomment-419622780)"
);
}
var clock = {
now: start,
timeouts: {},
Date: createDate(),
loopLimit: loopLimit
};
clock.Date.clock = clock;
function getTimeToNextFrame() {
return 16 - ((clock.now - start) % 16);
}
function hrtime(prev) {
var millisSinceStart = clock.now - adjustedSystemTime[0] - start;
var secsSinceStart = Math.floor(millisSinceStart / 1000);
var remainderInNanos =
(millisSinceStart - secsSinceStart * 1e3) * 1e6 +
nanos -
adjustedSystemTime[1];
if (Array.isArray(prev)) {
if (prev[1] > 1e9) {
throw new TypeError(
"Number of nanoseconds can't exceed a billion"
);
}
var oldSecs = prev[0];
var nanoDiff = remainderInNanos - prev[1];
var secDiff = secsSinceStart - oldSecs;
if (nanoDiff < 0) {
nanoDiff += 1e9;
secDiff -= 1;
}
return [secDiff, nanoDiff];
}
return [secsSinceStart, remainderInNanos];
}
if (hrtimeBigintPresent) {
hrtime.bigint = function() {
var parts = hrtime();
return BigInt(parts[0]) * BigInt(1e9) + BigInt(parts[1]); // eslint-disable-line
};
}
clock.requestIdleCallback = function requestIdleCallback(
func,
timeout
) {
var timeToNextIdlePeriod = 0;
if (clock.countTimers() > 0) {
timeToNextIdlePeriod = 50; // const for now
}
var result = addTimer(clock, {
func: func,
args: Array.prototype.slice.call(arguments, 2),
delay:
typeof timeout === "undefined"
? timeToNextIdlePeriod
: Math.min(timeout, timeToNextIdlePeriod)
});
return result.id || result;
};
clock.cancelIdleCallback = function cancelIdleCallback(timerId) {
return clearTimer(clock, timerId, "Timeout");
};
clock.setTimeout = function setTimeout(func, timeout) {
return addTimer(clock, {
func: func,
args: Array.prototype.slice.call(arguments, 2),
delay: timeout
});
};
if (typeof _global.Promise !== "undefined" && utilPromisify) {
clock.setTimeout[
utilPromisify.custom
] = function promisifiedSetTimeout(timeout, arg) {
return new _global.Promise(function setTimeoutExecutor(
resolve
) {
addTimer(clock, {
func: resolve,
args: [arg],
delay: timeout
});
});
};
}
clock.clearTimeout = function clearTimeout(timerId) {
return clearTimer(clock, timerId, "Timeout");
};
clock.nextTick = function nextTick(func) {
return enqueueJob(clock, {
func: func,
args: Array.prototype.slice.call(arguments, 1)
});
};
clock.queueMicrotask = function queueMicrotask(func) {
return clock.nextTick(func); // explicitly drop additional arguments
};
clock.setInterval = function setInterval(func, timeout) {
// eslint-disable-next-line no-param-reassign
timeout = parseInt(timeout, 10);
return addTimer(clock, {
func: func,
args: Array.prototype.slice.call(arguments, 2),
delay: timeout,
interval: timeout
});
};
clock.clearInterval = function clearInterval(timerId) {
return clearTimer(clock, timerId, "Interval");
};
if (setImmediatePresent) {
clock.setImmediate = function setImmediate(func) {
return addTimer(clock, {
func: func,
args: Array.prototype.slice.call(arguments, 1),
immediate: true
});
};
if (typeof _global.Promise !== "undefined" && utilPromisify) {
clock.setImmediate[
utilPromisify.custom
] = function promisifiedSetImmediate(arg) {
return new _global.Promise(function setImmediateExecutor(
resolve
) {
addTimer(clock, {
func: resolve,
args: [arg],
immediate: true
});
});
};
}
clock.clearImmediate = function clearImmediate(timerId) {
return clearTimer(clock, timerId, "Immediate");
};
}
clock.countTimers = function countTimers() {
return (
Object.keys(clock.timers || {}).length +
(clock.jobs || []).length
);
};
clock.requestAnimationFrame = function requestAnimationFrame(func) {
var result = addTimer(clock, {
func: func,
delay: getTimeToNextFrame(),
args: [clock.now + getTimeToNextFrame()],
animation: true
});
return result.id || result;
};
clock.cancelAnimationFrame = function cancelAnimationFrame(timerId) {
return clearTimer(clock, timerId, "AnimationFrame");
};
clock.runMicrotasks = function runMicrotasks() {
runJobs(clock);
};
function doTick(tickValue, isAsync, resolve, reject) {
var msFloat =
typeof tickValue === "number"
? tickValue
: parseTime(tickValue);
var ms = Math.floor(msFloat);
var remainder = nanoRemainder(msFloat);
var nanosTotal = nanos + remainder;
var tickTo = clock.now + ms;
if (msFloat < 0) {
throw new TypeError("Negative ticks are not supported");
}
// adjust for positive overflow
if (nanosTotal >= 1e6) {
tickTo += 1;
nanosTotal -= 1e6;
}
nanos = nanosTotal;
var tickFrom = clock.now;
var previous = clock.now;
var timer,
firstException,
oldNow,
nextPromiseTick,
compensationCheck,
postTimerCall;
clock.duringTick = true;
// perform microtasks
oldNow = clock.now;
runJobs(clock);
if (oldNow !== clock.now) {
// compensate for any setSystemTime() call during microtask callback
tickFrom += clock.now - oldNow;
tickTo += clock.now - oldNow;
}
function doTickInner() {
// perform each timer in the requested range
timer = firstTimerInRange(clock, tickFrom, tickTo);
// eslint-disable-next-line no-unmodified-loop-condition
while (timer && tickFrom <= tickTo) {
if (clock.timers[timer.id]) {
tickFrom = timer.callAt;
clock.now = timer.callAt;
oldNow = clock.now;
try {
runJobs(clock);
callTimer(clock, timer);
} catch (e) {
firstException = firstException || e;
}
if (isAsync) {
// finish up after native setImmediate callback to allow
// all native es6 promises to process their callbacks after
// each timer fires.
originalSetTimeout(nextPromiseTick);
return;
}
compensationCheck();
}
postTimerCall();
}
// perform process.nextTick()s again
oldNow = clock.now;
runJobs(clock);
if (oldNow !== clock.now) {
// compensate for any setSystemTime() call during process.nextTick() callback
tickFrom += clock.now - oldNow;
tickTo += clock.now - oldNow;
}
clock.duringTick = false;
// corner case: during runJobs new timers were scheduled which could be in the range [clock.now, tickTo]
timer = firstTimerInRange(clock, tickFrom, tickTo);
if (timer) {
try {
clock.tick(tickTo - clock.now); // do it all again - for the remainder of the requested range
} catch (e) {
firstException = firstException || e;
}
} else {
// no timers remaining in the requested range: move the clock all the way to the end
clock.now = tickTo;
// update nanos
nanos = nanosTotal;
}
if (firstException) {
throw firstException;
}
if (isAsync) {
resolve(clock.now);
} else {
return clock.now;
}
}
nextPromiseTick =
isAsync &&
function() {
try {
compensationCheck();
postTimerCall();
doTickInner();
} catch (e) {
reject(e);
}
};
compensationCheck = function() {
// compensate for any setSystemTime() call during timer callback
if (oldNow !== clock.now) {
tickFrom += clock.now - oldNow;
tickTo += clock.now - oldNow;
previous += clock.now - oldNow;
}
};
postTimerCall = function() {
timer = firstTimerInRange(clock, previous, tickTo);
previous = tickFrom;
};
return doTickInner();
}
/**
* @param {tickValue} {String|Number} number of milliseconds or a human-readable value like "01:11:15"
*/
clock.tick = function tick(tickValue) {
return doTick(tickValue, false);
};
if (typeof _global.Promise !== "undefined") {
clock.tickAsync = function tickAsync(ms) {
return new _global.Promise(function(resolve, reject) {
originalSetTimeout(function() {
try {
doTick(ms, true, resolve, reject);
} catch (e) {
reject(e);
}
});
});
};
}
clock.next = function next() {
runJobs(clock);
var timer = firstTimer(clock);
if (!timer) {
return clock.now;
}
clock.duringTick = true;
try {
clock.now = timer.callAt;
callTimer(clock, timer);
runJobs(clock);
return clock.now;
} finally {
clock.duringTick = false;
}
};
if (typeof _global.Promise !== "undefined") {
clock.nextAsync = function nextAsync() {
return new _global.Promise(function(resolve, reject) {
originalSetTimeout(function() {
try {
var timer = firstTimer(clock);
if (!timer) {
resolve(clock.now);
return;
}
var err;
clock.duringTick = true;
clock.now = timer.callAt;
try {
callTimer(clock, timer);
} catch (e) {
err = e;
}
clock.duringTick = false;
originalSetTimeout(function() {
if (err) {
reject(err);
} else {
resolve(clock.now);
}
});
} catch (e) {
reject(e);
}
});
});
};
}
clock.runAll = function runAll() {
var numTimers, i;
runJobs(clock);
for (i = 0; i < clock.loopLimit; i++) {
if (!clock.timers) {
return clock.now;
}
numTimers = keys(clock.timers).length;
if (numTimers === 0) {
return clock.now;
}
clock.next();
}
throw new Error(
"Aborting after running " +
clock.loopLimit +
" timers, assuming an infinite loop!"
);
};
clock.runToFrame = function runToFrame() {
return clock.tick(getTimeToNextFrame());
};
if (typeof _global.Promise !== "undefined") {
clock.runAllAsync = function runAllAsync() {
return new _global.Promise(function(resolve, reject) {
var i = 0;
function doRun() {
originalSetTimeout(function() {
try {
var numTimers;
if (i < clock.loopLimit) {
if (!clock.timers) {
resolve(clock.now);
return;
}
numTimers = Object.keys(clock.timers)
.length;
if (numTimers === 0) {
resolve(clock.now);
return;
}
clock.next();
i++;
doRun();
return;
}
reject(
new Error(
"Aborting after running " +
clock.loopLimit +
" timers, assuming an infinite loop!"
)
);
} catch (e) {
reject(e);
}
});
}
doRun();
});
};
}
clock.runToLast = function runToLast() {
var timer = lastTimer(clock);
if (!timer) {
runJobs(clock);
return clock.now;
}
return clock.tick(timer.callAt - clock.now);
};
if (typeof _global.Promise !== "undefined") {
clock.runToLastAsync = function runToLastAsync() {
return new _global.Promise(function(resolve, reject) {
originalSetTimeout(function() {
try {
var timer = lastTimer(clock);
if (!timer) {
resolve(clock.now);
}
resolve(clock.tickAsync(timer.callAt));
} catch (e) {
reject(e);
}
});
});
};
}
clock.reset = function reset() {
nanos = 0;
clock.timers = {};
clock.jobs = [];
clock.now = start;
};
clock.setSystemTime = function setSystemTime(systemTime) {
// determine time difference
var newNow = getEpoch(systemTime);
var difference = newNow - clock.now;
var id, timer;
adjustedSystemTime[0] = adjustedSystemTime[0] + difference;
adjustedSystemTime[1] = adjustedSystemTime[1] + nanos;
// update 'system clock'
clock.now = newNow;
nanos = 0;
// update timers and intervals to keep them stable
for (id in clock.timers) {
if (clock.timers.hasOwnProperty(id)) {
timer = clock.timers[id];
timer.createdAt += difference;
timer.callAt += difference;
}
}
};
if (performancePresent) {
clock.performance = Object.create(null);
if (hasPerformancePrototype) {
var proto = _global.Performance.prototype;
Object.getOwnPropertyNames(proto).forEach(function(name) {
if (name.indexOf("getEntries") === 0) {
// match expected return type for getEntries functions
clock.performance[name] = NOOP_ARRAY;
} else {
clock.performance[name] = NOOP;
}
});
}
clock.performance.now = function FakeTimersNow() {
var hrt = hrtime();
var millis = hrt[0] * 1000 + hrt[1] / 1e6;
return millis;
};
}
if (hrtimePresent) {
clock.hrtime = hrtime;
}
return clock;
}
/**
* @param config {Object} optional config
* @param config.target {Object} the target to install timers in (default `window`)
* @param config.now {number|Date} a number (in milliseconds) or a Date object (default epoch)
* @param config.toFake {string[]} names of the methods that should be faked.
* @param config.loopLimit {number} the maximum number of timers that will be run when calling runAll()
* @param config.shouldAdvanceTime {Boolean} tells FakeTimers to increment mocked time automatically (default false)
* @param config.advanceTimeDelta {Number} increment mocked time every <<advanceTimeDelta>> ms (default: 20ms)
*/
// eslint-disable-next-line complexity
function install(config) {
if (
arguments.length > 1 ||
config instanceof Date ||
Array.isArray(config) ||
typeof config === "number"
) {
throw new TypeError(
"FakeTimers.install called with " +
String(config) +
" install requires an object parameter"
);
}
// eslint-disable-next-line no-param-reassign
config = typeof config !== "undefined" ? config : {};
config.shouldAdvanceTime = config.shouldAdvanceTime || false;
config.advanceTimeDelta = config.advanceTimeDelta || 20;
var i, l;
var target = config.target || _global;
var clock = createClock(config.now, config.loopLimit);
clock.uninstall = function() {
return uninstall(clock, target, config);
};
clock.methods = config.toFake || [];
if (clock.methods.length === 0) {
// do not fake nextTick by default - GitHub#126
clock.methods = keys(timers).filter(function(key) {
return key !== "nextTick" && key !== "queueMicrotask";
});
}
for (i = 0, l = clock.methods.length; i < l; i++) {
if (clock.methods[i] === "hrtime") {
if (
target.process &&
typeof target.process.hrtime === "function"
) {
hijackMethod(target.process, clock.methods[i], clock);
}
} else if (clock.methods[i] === "nextTick") {
if (
target.process &&
typeof target.process.nextTick === "function"
) {
hijackMethod(target.process, clock.methods[i], clock);
}
} else {
if (
clock.methods[i] === "setInterval" &&
config.shouldAdvanceTime === true
) {
var intervalTick = doIntervalTick.bind(
null,
clock,
config.advanceTimeDelta
);
var intervalId = target[clock.methods[i]](
intervalTick,
config.advanceTimeDelta
);
clock.attachedInterval = intervalId;
}
hijackMethod(target, clock.methods[i], clock);
}
}
return clock;
}
return {
timers: timers,
createClock: createClock,
install: install,
withGlobal: withGlobal
};
}
var defaultImplementation = withGlobal(globalObject);
exports.timers = defaultImplementation.timers;
exports.createClock = defaultImplementation.createClock;
exports.install = defaultImplementation.install;
exports.withGlobal = withGlobal;