@nevware21/ts-async
Version:
support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.
1,127 lines (1,105 loc) • 45.4 kB
JavaScript
/*!
* NevWare21 Solutions LLC - ts-async, 0.5.5
* https://github.com/nevware21/ts-async
* Copyright (c) NevWare21 Solutions LLC and contributors. All rights reserved.
* Licensed under the MIT license.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@nevware21/ts-utils')) :
typeof define === 'function' && define.amd ? define(['exports', '@nevware21/ts-utils'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.nevware21 = global.nevware21 || {}, global.nevware21["ts-async"] = {}), global.nevware21["ts-utils"]));
})(this, (function (exports, tsUtils) { 'use strict';
const STR_PROMISE = "Promise";
const DONE = "done";
const VALUE = "value";
const RETURN = "return";
const REJECTED = "rejected";
function doAwaitResponse(value, cb) {
return doAwait(value, (value) => {
return cb ? cb({
status: "fulfilled",
rejected: false,
value: value
}) : value;
}, (reason) => {
return cb ? cb({
status: REJECTED,
rejected: true,
reason: reason
}) : reason;
});
}
function doAwait(value, resolveFn, rejectFn, finallyFn) {
let result = value;
try {
if (tsUtils.isPromiseLike(value)) {
if (resolveFn || rejectFn) {
result = value.then(resolveFn, rejectFn);
}
}
else {
try {
if (resolveFn) {
result = resolveFn(value);
}
}
catch (err) {
if (rejectFn) {
result = rejectFn(err);
}
else {
throw err;
}
}
}
}
finally {
if (finallyFn) {
doFinally(result, finallyFn);
}
}
return result;
}
function doFinally(value, finallyFn) {
let result = value;
if (finallyFn) {
if (tsUtils.isPromiseLike(value)) {
if (value.finally) {
result = value.finally(finallyFn);
}
else {
result = value.then(function (value) {
finallyFn();
return value;
}, function (reason) {
finallyFn();
throw reason;
});
}
}
else {
finallyFn();
}
}
return result;
}
function _pureAssign(func1, func2) {
return func1 || func2;
}
let _debugState;
let _debugResult;
let _debugHandled;
let _promiseDebugEnabled = false;
function _addDebugState$1(thePromise, stateFn, resultFn, handledFn) {
_debugState = _debugState || { toString: () => "[[PromiseState]]" };
_debugResult = _debugResult || { toString: () => "[[PromiseResult]]" };
_debugHandled = _debugHandled || { toString: () => "[[PromiseIsHandled]]" };
let props = {};
props[_debugState] = { get: stateFn };
props[_debugResult] = { get: resultFn };
props[_debugHandled] = { get: handledFn };
tsUtils.objDefineProperties(thePromise, props);
}
function setPromiseDebugState(enabled, logger) {
_promiseDebugEnabled = enabled;
}
const STRING_STATES = [
"pending", "resolving", "resolved", REJECTED
];
const DISPATCH_EVENT = "dispatchEvent";
let _hasInitEvent;
function _hasInitEventFn(doc) {
let evt;
if (doc && doc.createEvent) {
evt = doc.createEvent("Event");
}
return (!!evt && evt.initEvent);
}
function emitEvent(target, evtName, populateEvent, useNewEvent) {
let doc = tsUtils.getDocument();
!_hasInitEvent && (_hasInitEvent = tsUtils.createCachedValue(!!tsUtils.safe(_hasInitEventFn, [doc]).v));
let theEvt = _hasInitEvent.v ? doc.createEvent("Event") : (useNewEvent ? new Event(evtName) : {});
populateEvent && populateEvent(theEvt);
if (_hasInitEvent.v) {
theEvt.initEvent(evtName, false, true);
}
if (theEvt && target[DISPATCH_EVENT]) {
target[DISPATCH_EVENT](theEvt);
}
else {
let handler = target["on" + evtName];
if (handler) {
handler(theEvt);
}
else {
let theConsole = tsUtils.getInst("console");
theConsole && (theConsole["error"] || theConsole["log"])(evtName, tsUtils.dumpObj(theEvt));
}
}
}
const NODE_UNHANDLED_REJECTION = "unhandledRejection";
const UNHANDLED_REJECTION = NODE_UNHANDLED_REJECTION.toLowerCase();
let _currentPromiseId = [];
let _uniquePromiseId = 0;
let _unhandledRejectionTimeout = 10;
let _aggregationError;
let _hasPromiseRejectionEvent;
function dumpFnObj(value) {
if (tsUtils.isFunction(value)) {
return value.toString();
}
return tsUtils.dumpObj(value);
}
function _createAggregationError(values) {
!_aggregationError && (_aggregationError = tsUtils.createCachedValue(tsUtils.safe(tsUtils.getInst, ["AggregationError"]).v || tsUtils.createCustomError("AggregationError", (self, args) => {
self.errors = args[0];
})));
return new _aggregationError.v(values);
}
function _createPromise(newPromise, processor, executor) {
let additionalArgs = tsUtils.arrSlice(arguments, 3);
let _state = 0;
let _hasResolved = false;
let _settledValue;
let _queue = [];
let _id = _uniquePromiseId++;
let _parentId = _currentPromiseId.length > 0 ? _currentPromiseId[_currentPromiseId.length - 1] : undefined;
let _handled = false;
let _unHandledRejectionHandler = null;
let _thePromise;
function _then(onResolved, onRejected) {
try {
_currentPromiseId.push(_id);
_handled = true;
_unHandledRejectionHandler && _unHandledRejectionHandler.cancel();
_unHandledRejectionHandler = null;
let thenPromise = newPromise(function (resolve, reject) {
_queue.push(function () {
try {
let handler = _state === 2 ? onResolved : onRejected;
let value = tsUtils.isUndefined(handler) ? _settledValue : (tsUtils.isFunction(handler) ? handler(_settledValue) : handler);
if (tsUtils.isPromiseLike(value)) {
value.then(resolve, reject);
}
else if (handler) {
resolve(value);
}
else if (_state === 3) {
reject(value);
}
else {
resolve(value);
}
}
catch (e) {
reject(e);
}
});
if (_hasResolved) {
_processQueue();
}
}, additionalArgs);
return thenPromise;
}
finally {
_currentPromiseId.pop();
}
}
function _catch(onRejected) {
return _then(undefined, onRejected);
}
function _finally(onFinally) {
let thenFinally = onFinally;
let catchFinally = onFinally;
if (tsUtils.isFunction(onFinally)) {
thenFinally = function (value) {
onFinally && onFinally();
return value;
};
catchFinally = function (reason) {
onFinally && onFinally();
throw reason;
};
}
return _then(thenFinally, catchFinally);
}
function _strState() {
return STRING_STATES[_state];
}
function _processQueue() {
if (_queue.length > 0) {
let pending = _queue.slice();
_queue = [];
_handled = true;
_unHandledRejectionHandler && _unHandledRejectionHandler.cancel();
_unHandledRejectionHandler = null;
processor(pending);
}
}
function _createSettleIfFn(newState, allowState) {
return (theValue) => {
if (_state === allowState) {
if (newState === 2 && tsUtils.isPromiseLike(theValue)) {
_state = 1;
theValue.then(_createSettleIfFn(2, 1), _createSettleIfFn(3, 1));
return;
}
_state = newState;
_hasResolved = true;
_settledValue = theValue;
_processQueue();
if (!_handled && newState === 3 && !_unHandledRejectionHandler) {
_unHandledRejectionHandler = tsUtils.scheduleTimeout(_notifyUnhandledRejection, _unhandledRejectionTimeout);
}
}
};
}
function _notifyUnhandledRejection() {
if (!_handled) {
_handled = true;
if (tsUtils.isNode()) {
process.emit(NODE_UNHANDLED_REJECTION, _settledValue, _thePromise);
}
else {
let gbl = tsUtils.getWindow() || tsUtils.getGlobal();
!_hasPromiseRejectionEvent && (_hasPromiseRejectionEvent = tsUtils.createCachedValue(tsUtils.safe((tsUtils.getInst), [STR_PROMISE + "RejectionEvent"]).v));
emitEvent(gbl, UNHANDLED_REJECTION, (theEvt) => {
tsUtils.objDefine(theEvt, "promise", { g: () => _thePromise });
theEvt.reason = _settledValue;
return theEvt;
}, !!_hasPromiseRejectionEvent.v);
}
}
}
_thePromise = {
then: _then,
"catch": _catch,
finally: _finally
};
tsUtils.objDefineProp(_thePromise, "state", {
get: _strState
});
if (_promiseDebugEnabled) {
_addDebugState$1(_thePromise, _strState, () => { return tsUtils.objToString(_settledValue); }, () => _handled);
}
if (tsUtils.hasSymbol()) {
_thePromise[tsUtils.getKnownSymbol(11)] = "IPromise";
}
function _toString() {
return "IPromise" + (_promiseDebugEnabled ? "[" + _id + (!tsUtils.isUndefined(_parentId) ? (":" + _parentId) : "") + "]" : "") + " " + _strState() + (_hasResolved ? (" - " + dumpFnObj(_settledValue)) : "") + ("");
}
_thePromise.toString = _toString;
(function _initialize() {
if (!tsUtils.isFunction(executor)) {
tsUtils.throwTypeError(STR_PROMISE + ": executor is not a function - " + dumpFnObj(executor));
}
const _rejectFn = _createSettleIfFn(3, 0);
try {
executor.call(_thePromise, _createSettleIfFn(2, 0), _rejectFn);
}
catch (e) {
_rejectFn(e);
}
})();
return _thePromise;
}
function _createAllPromise(newPromise) {
return function (input) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
return newPromise((resolve, reject) => {
try {
let values = [];
let pending = 1;
tsUtils.iterForOf(input, (item, idx) => {
if (item) {
pending++;
doAwait(item, (value) => {
values[idx] = value;
if (--pending === 0) {
resolve(values);
}
}, reject);
}
});
pending--;
if (pending === 0) {
resolve(values);
}
}
catch (e) {
reject(e);
}
}, additionalArgs);
};
}
function _createResolvedPromise(newPromise) {
return function (value) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
if (tsUtils.isPromiseLike(value)) {
return value;
}
return newPromise((resolve) => {
resolve(value);
}, additionalArgs);
};
}
function _createRejectedPromise(newPromise) {
return function (reason) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
return newPromise((_resolve, reject) => {
reject(reason);
}, additionalArgs);
};
}
function _createAllSettledPromise(newPromise, ..._args) {
return tsUtils.createCachedValue(function (input, ..._args) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
return newPromise((resolve, reject) => {
let values = [];
let pending = 1;
function processItem(item, idx) {
pending++;
doAwaitResponse(item, (value) => {
if (value.rejected) {
values[idx] = {
status: REJECTED,
reason: value.reason
};
}
else {
values[idx] = {
status: "fulfilled",
value: value.value
};
}
if (--pending === 0) {
resolve(values);
}
});
}
try {
if (tsUtils.isArray(input)) {
tsUtils.arrForEach(input, processItem);
}
else if (tsUtils.isIterable(input)) {
tsUtils.iterForOf(input, processItem);
}
else {
tsUtils.throwTypeError("Input is not an iterable");
}
pending--;
if (pending === 0) {
resolve(values);
}
}
catch (e) {
reject(e);
}
}, additionalArgs);
});
}
function _createRacePromise(newPromise, ..._args) {
return tsUtils.createCachedValue(function (input, ..._args) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
return newPromise((resolve, reject) => {
let isDone = false;
function processItem(item) {
doAwaitResponse(item, (value) => {
if (!isDone) {
isDone = true;
if (value.rejected) {
reject(value.reason);
}
else {
resolve(value.value);
}
}
});
}
try {
if (tsUtils.isArray(input)) {
tsUtils.arrForEach(input, processItem);
}
else if (tsUtils.isIterable(input)) {
tsUtils.iterForOf(input, processItem);
}
else {
tsUtils.throwTypeError("Input is not an iterable");
}
}
catch (e) {
reject(e);
}
}, additionalArgs);
});
}
function _createAnyPromise(newPromise, ..._args) {
return tsUtils.createCachedValue(function (input, ..._args) {
let additionalArgs = tsUtils.arrSlice(arguments, 1);
return newPromise((resolve, reject) => {
let theErros = [];
let pending = 1;
let isDone = false;
function processItem(item, idx) {
pending++;
doAwaitResponse(item, (value) => {
if (!value.rejected) {
isDone = true;
resolve(value.value);
return;
}
else {
theErros[idx] = value.reason;
}
if (--pending === 0 && !isDone) {
reject(_createAggregationError(theErros));
}
});
}
try {
if (tsUtils.isArray(input)) {
tsUtils.arrForEach(input, processItem);
}
else if (tsUtils.isIterable(input)) {
tsUtils.iterForOf(input, processItem);
}
else {
tsUtils.throwTypeError("Input is not an iterable");
}
pending--;
if (pending === 0 && !isDone) {
reject(_createAggregationError(theErros));
}
}
catch (e) {
reject(e);
}
}, additionalArgs);
});
}
function syncItemProcessor(pending) {
tsUtils.arrForEach(pending, (fn) => {
try {
fn();
}
catch (e) {
}
});
}
function timeoutItemProcessor(timeout) {
let callbackTimeout = tsUtils.isNumber(timeout) ? timeout : 0;
return (pending) => {
tsUtils.scheduleTimeout(() => {
syncItemProcessor(pending);
}, callbackTimeout);
};
}
function idleItemProcessor(timeout) {
let options;
if (timeout >= 0) {
options = {
timeout: +timeout
};
}
return (pending) => {
tsUtils.scheduleIdleCallback((deadline) => {
syncItemProcessor(pending);
}, options);
};
}
let _allAsyncSettledCreator;
let _raceAsyncCreator;
let _anyAsyncCreator;
function createAsyncPromise(executor, timeout) {
return _createPromise(createAsyncPromise, timeoutItemProcessor(timeout), executor, timeout);
}
const createAsyncAllPromise = (_createAllPromise(createAsyncPromise));
const createAsyncResolvedPromise = (_createResolvedPromise(createAsyncPromise));
const createAsyncRejectedPromise = (_createRejectedPromise(createAsyncPromise));
function createAsyncAllSettledPromise(input, timeout) {
!_allAsyncSettledCreator && (_allAsyncSettledCreator = _createAllSettledPromise(createAsyncPromise));
return _allAsyncSettledCreator.v(input, timeout);
}
function createAsyncRacePromise(values, timeout) {
!_raceAsyncCreator && (_raceAsyncCreator = _createRacePromise(createAsyncPromise));
return _raceAsyncCreator.v(values, timeout);
}
function createAsyncAnyPromise(values, timeout) {
!_anyAsyncCreator && (_anyAsyncCreator = _createAnyPromise(createAsyncPromise));
return _anyAsyncCreator.v(values, timeout);
}
let _promiseCls;
let _allCreator;
let _allNativeSettledCreator;
let _raceNativeCreator;
let _anyNativeCreator;
function _createNativePromiseHelper(name, func) {
!_promiseCls && (_promiseCls = tsUtils.createCachedValue((tsUtils.safe(tsUtils.getInst, [STR_PROMISE]).v) || null));
if (_promiseCls.v && _promiseCls.v[name]) {
return tsUtils.createCachedValue(function (input, timeout) {
return createNativePromise((resolve, reject) => {
_promiseCls.v[name](input).then(resolve, reject);
});
});
}
return func();
}
function createNativePromise(executor, timeout) {
!_promiseCls && (_promiseCls = tsUtils.createCachedValue((tsUtils.safe(tsUtils.getInst, [STR_PROMISE]).v) || null));
const PrmCls = _promiseCls.v;
if (!PrmCls) {
return createAsyncPromise(executor);
}
if (!tsUtils.isFunction(executor)) {
tsUtils.throwTypeError(STR_PROMISE + ": executor is not a function - " + tsUtils.dumpObj(executor));
}
let _state = 0;
function _strState() {
return STRING_STATES[_state];
}
let thePromise = new PrmCls((resolve, reject) => {
function _resolve(value) {
_state = 2;
resolve(value);
}
function _reject(reason) {
_state = 3;
reject(reason);
}
executor(_resolve, _reject);
});
tsUtils.objDefineProp(thePromise, "state", {
get: _strState
});
return thePromise;
}
function createNativeAllPromise(input, timeout) {
!_allCreator && (_allCreator = _createNativePromiseHelper("all", () => tsUtils.createCachedValue(_createAllPromise(createNativePromise))));
return _allCreator.v(input, timeout);
}
const createNativeResolvedPromise = (_createResolvedPromise(createNativePromise));
const createNativeRejectedPromise = (_createRejectedPromise(createNativePromise));
function createNativeAllSettledPromise(input, timeout) {
!_allNativeSettledCreator && (_allNativeSettledCreator = _createNativePromiseHelper("allSettled", () => _createAllSettledPromise(createNativePromise)));
return _allNativeSettledCreator.v(input, timeout);
}
function createNativeRacePromise(values, timeout) {
!_raceNativeCreator && (_raceNativeCreator = _createNativePromiseHelper("race", () => _createRacePromise(createNativePromise)));
return _raceNativeCreator.v(values, timeout);
}
function createNativeAnyPromise(values, timeout) {
!_anyNativeCreator && (_anyNativeCreator = _createNativePromiseHelper("any", () => _createAnyPromise(createNativePromise)));
return _anyNativeCreator.v(values, timeout);
}
let _allSyncSettledCreator;
let _raceSyncCreator;
let _anySyncCreator;
function createSyncPromise(executor) {
return _createPromise(createSyncPromise, syncItemProcessor, executor);
}
const createSyncAllPromise = (_createAllPromise(createSyncPromise));
const createSyncResolvedPromise = (_createResolvedPromise(createSyncPromise));
const createSyncRejectedPromise = (_createRejectedPromise(createSyncPromise));
function createSyncAllSettledPromise(input, timeout) {
!_allSyncSettledCreator && (_allSyncSettledCreator = _createAllSettledPromise(createSyncPromise));
return _allSyncSettledCreator.v(input, timeout);
}
function createSyncRacePromise(values, timeout) {
!_raceSyncCreator && (_raceSyncCreator = _createRacePromise(createSyncPromise));
return _raceSyncCreator.v(values, timeout);
}
function createSyncAnyPromise(values, timeout) {
!_anySyncCreator && (_anySyncCreator = _createAnyPromise(createSyncPromise));
return _anySyncCreator.v(values, timeout);
}
let _defaultIdleTimeout;
let _allIdleSettledCreator;
let _raceIdleCreator;
let _anyIdleCreator;
function setDefaultIdlePromiseTimeout(idleDeadline) {
_defaultIdleTimeout = idleDeadline;
}
const setDefaultIdleTimeout = (_pureAssign(setDefaultIdlePromiseTimeout));
function createIdlePromise(executor, timeout) {
let theTimeout = tsUtils.isUndefined(timeout) ? _defaultIdleTimeout : timeout;
return _createPromise(createIdlePromise, idleItemProcessor(theTimeout), executor, theTimeout);
}
const createIdleAllPromise = (_createAllPromise(createIdlePromise));
const createIdleResolvedPromise = (_createResolvedPromise(createIdlePromise));
const createIdleRejectedPromise = (_createRejectedPromise(createIdlePromise));
function createIdleAllSettledPromise(input, timeout) {
!_allIdleSettledCreator && (_allIdleSettledCreator = _createAllSettledPromise(createIdlePromise));
return _allIdleSettledCreator.v(input, timeout);
}
function createIdleRacePromise(values, timeout) {
!_raceIdleCreator && (_raceIdleCreator = _createRacePromise(createIdlePromise));
return _raceIdleCreator.v(values, timeout);
}
function createIdleAnyPromise(values, timeout) {
!_anyIdleCreator && (_anyIdleCreator = _createAnyPromise(createIdlePromise));
return _anyIdleCreator.v(values, timeout);
}
let _promiseCreator;
let _allSettledCreator;
let _raceCreator;
let _anyCreator;
function setCreatePromiseImpl(creator) {
_promiseCreator = creator ? tsUtils.createCachedValue(creator) : null;
}
function createPromise(executor, timeout) {
!_promiseCreator && (_promiseCreator = tsUtils.createCachedValue(createNativePromise));
return _promiseCreator.v.call(this, executor, timeout);
}
const createAllPromise = (_createAllPromise(createPromise));
const createResolvedPromise = (_createResolvedPromise(createPromise));
const createRejectedPromise = (_createRejectedPromise(createPromise));
function createAllSettledPromise(input, timeout) {
!_allSettledCreator && (_allSettledCreator = _createAllSettledPromise(createPromise));
return _allSettledCreator.v(input, timeout);
}
function createRacePromise(values, timeout) {
!_raceCreator && (_raceCreator = _createRacePromise(createPromise));
return _raceCreator.v(values, timeout);
}
function createAnyPromise(values, timeout) {
!_anyCreator && (_anyCreator = _createAnyPromise(createPromise));
return _anyCreator.v(values, timeout);
}
function createTimeoutPromise(timeout, resolveReject, message) {
return createPromise((resolve, reject) => {
tsUtils.scheduleTimeout(() => {
(resolveReject ? resolve : reject)(!tsUtils.isUndefined(message) ? message : "Timeout of " + timeout + "ms exceeded");
}, timeout);
});
}
function _doneChk(isDone, state, value, thisArg) {
let result = isDone;
state.res = value;
if (!result) {
if (state.isDone && tsUtils.isFunction(state.isDone)) {
return doAwait(state.isDone.call(thisArg, state), (done) => {
state.iter++;
return !!done;
});
}
else {
result = !!state.isDone;
}
}
state.iter++;
return result;
}
function doWhileAsync(callbackFn, isDoneFn, thisArg) {
let promise;
let resolve;
let reject = (reason) => {
isDone = true;
throw reason;
};
let isDone = false;
let state = {
st: tsUtils.utcNow(),
iter: 0,
isDone: isDoneFn || false
};
if (callbackFn) {
const _createPromise = () => {
return createPromise((res, rej) => {
resolve = res;
reject = rej;
});
};
const _handleAsyncDone = (done) => {
isDone = !!done;
if (!isDone) {
_processNext();
}
else {
resolve(state.res);
}
};
const _processNext = () => {
while (!isDone) {
try {
let cbResult = callbackFn.call(thisArg, state);
if (tsUtils.isPromiseLike(cbResult)) {
promise = promise || _createPromise();
doAwait(cbResult, (res) => {
try {
doAwait(_doneChk(isDone, state, res, thisArg), _handleAsyncDone, reject);
}
catch (e) {
reject(e);
}
}, reject);
return promise;
}
else {
let dnRes = _doneChk(isDone, state, cbResult, thisArg);
if (tsUtils.isPromiseLike(dnRes)) {
promise = promise || _createPromise();
doAwait(dnRes, _handleAsyncDone, reject);
return promise;
}
else {
isDone = !!dnRes;
}
}
}
catch (e) {
reject(e);
return promise;
}
}
if (isDone && resolve) {
resolve(state.res);
}
return promise || state.res;
};
return _processNext();
}
}
function arrForEachAsync(theArray, callbackFn, thisArg) {
if (theArray) {
const len = tsUtils.getLength(theArray);
if (len) {
const isDone = (state) => {
if (state.iter >= len || state.res === -1) {
return true;
}
};
return doWhileAsync((state) => {
const idx = state.iter;
if (idx in theArray) {
return callbackFn.call(thisArg || theArray, theArray[idx], idx, theArray);
}
}, isDone);
}
}
}
let _iterSymbol;
let _iterAsyncSymbol;
function iterForOfAsync(iter, callbackFn, thisArg) {
let err;
let iterResult;
let theIter = iter;
function onFailed(failed) {
err = { e: failed };
if (theIter.throw) {
iterResult = null;
theIter.throw(err);
}
throw failed;
}
function onFinally() {
try {
if (iterResult && !iterResult[DONE]) {
theIter[RETURN] && theIter[RETURN](iterResult);
}
}
finally {
if (err) {
throw err.e;
}
}
}
if (iter) {
if (!tsUtils.isIterator(iter)) {
!_iterAsyncSymbol && (_iterAsyncSymbol = tsUtils.createCachedValue(tsUtils.getKnownSymbol(0)));
theIter = iter[_iterAsyncSymbol.v] ? iter[_iterAsyncSymbol.v]() : null;
if (!theIter) {
!_iterSymbol && (_iterSymbol = tsUtils.createCachedValue(tsUtils.getKnownSymbol(3)));
theIter = iter[_iterSymbol.v] ? iter[_iterSymbol.v]() : null;
}
}
if (theIter && tsUtils.isIterator(theIter)) {
let result;
try {
result = doWhileAsync((state) => {
return doAwait(theIter.next(), (res) => {
iterResult = res;
if (!res[DONE]) {
return tsUtils.fnCall(callbackFn, thisArg || theIter, iterResult[VALUE], state.iter, theIter);
}
}, (reason) => {
state.isDone = true;
onFailed(reason);
});
}, (state) => {
if (!iterResult || iterResult[DONE] || state.res === -1) {
onFinally();
return true;
}
}, thisArg || theIter);
if (tsUtils.isPromiseLike(result)) {
result = doFinally(result.catch(onFailed), onFinally);
}
return result;
}
catch (failed) {
onFailed(failed);
}
finally {
if (result && !tsUtils.isPromiseLike(result)) {
onFinally();
}
}
}
}
}
const REJECT = "reject";
const REJECTED_ERROR = "Rejected";
let _schedulerId = 0;
let _debugName;
let _debugIntState;
let _customErrors = {};
function _rejectDone() {
}
function _createError(type, evt, message) {
!_customErrors[type] && (_customErrors[type] = tsUtils.createCustomError(type));
let now = tsUtils.utcNow();
return new (_customErrors[type])(`Task [${evt.id}] ${message || ""}- ${(evt.st ? "Running" : "Waiting")}: ${_calcTime(now, evt.st || evt.cr)}`);
}
function _calcTime(now, start) {
return ((now - start) || "0") + " ms";
}
function _abortStaleTasks(taskQueue, staleTimeoutPeriod) {
let now = tsUtils.utcNow();
let expired = now - staleTimeoutPeriod;
tsUtils.arrForEach(taskQueue, (evt) => {
if (evt && !evt.rj && (evt.st && evt.st < expired) || (!evt.st && evt.cr && evt.cr < expired)) {
evt && evt[REJECT](evt.rj || _createError("Aborted", evt, "Stale "));
}
});
}
function _removeTask(queue, taskDetail) {
let idx = tsUtils.arrIndexOf(queue, taskDetail);
if (idx !== -1) {
queue.splice(idx, 1);
}
}
function _addDebugState(theScheduler, nameFn, stateFn) {
_debugName = _debugName || { toString: () => "[[SchedulerName]]" };
_debugIntState = _debugIntState || { toString: () => "[[SchedulerState]]" };
tsUtils.objDefineProp(theScheduler, _debugName, { get: nameFn });
tsUtils.objDefineProp(theScheduler, _debugIntState, { get: stateFn });
}
function createTaskScheduler(newPromise, name) {
let _theTask;
let _running = [];
let _waiting = [];
let _staleTimeoutPeriod = 600000;
let _staleTimeoutCheckPeriod = _staleTimeoutPeriod / 10;
let _taskCount = 0;
let _schedulerName = (name ? (name + ".") : "") + _schedulerId++;
let _blockedTimer;
newPromise = newPromise || createPromise;
const _startBlockedTimer = () => {
let hasTasks = (tsUtils.getLength(_running) + tsUtils.getLength(_waiting)) > 0;
if (_staleTimeoutPeriod > 0) {
if (!_blockedTimer) {
_blockedTimer = tsUtils.scheduleTimeout(() => {
_abortStaleTasks(_running, _staleTimeoutPeriod);
_abortStaleTasks(_waiting, _staleTimeoutPeriod);
_blockedTimer && (_blockedTimer.enabled = ((tsUtils.getLength(_running) + tsUtils.getLength(_waiting)) > 0));
}, _staleTimeoutCheckPeriod);
_blockedTimer.unref();
}
_blockedTimer && (_blockedTimer.enabled = hasTasks);
}
};
const _queueTask = (startAction, taskName, timeout) => {
let taskId = _schedulerName + "." + _taskCount++;
if (taskName) {
taskId += "-(" + taskName + ")";
}
let newTask = {
id: taskId,
cr: tsUtils.utcNow(),
to: timeout,
[REJECT]: (reason) => {
newTask.rj = reason || _createError(REJECTED_ERROR, newTask);
newTask[REJECT] = _rejectDone;
}
};
if (!_theTask) {
newTask.p = newPromise(_runTask(newTask, startAction));
}
else {
newTask.p = _waitForPreviousTask(newTask, _theTask, startAction);
}
_theTask = newTask;
return newTask.p;
};
const _runTask = (taskDetail, startAction) => {
taskDetail.st = tsUtils.utcNow();
_running.push(taskDetail);
_startBlockedTimer();
return (onTaskResolve, onTaskReject) => {
const _promiseReject = (reason) => {
taskDetail.rj = taskDetail.rj || reason || _createError(REJECTED_ERROR, taskDetail);
taskDetail[REJECT] = _rejectDone;
_doCleanup(taskDetail);
onTaskResolve = null;
onTaskReject && onTaskReject(reason);
onTaskReject = null;
};
let taskId = taskDetail.id;
if (taskDetail.rj) {
_promiseReject(taskDetail.rj);
}
else {
taskDetail[REJECT] = _promiseReject;
try {
let startResult = startAction(taskId);
if (taskDetail.to && tsUtils.isPromiseLike(startResult)) {
taskDetail.t = tsUtils.scheduleTimeout(() => {
_promiseReject(_createError("Timeout", taskDetail));
}, taskDetail.to);
}
doAwait(startResult, (theResult) => {
_doCleanup(taskDetail);
try {
onTaskResolve && onTaskResolve(theResult);
}
catch (e) {
onTaskReject && onTaskReject(e);
}
onTaskReject = null;
onTaskResolve = null;
}, _promiseReject);
}
catch (e) {
_promiseReject(e);
}
}
};
};
const _waitForPreviousTask = (taskDetail, prevTask, startAction) => {
_waiting.push(taskDetail);
_startBlockedTimer();
return newPromise((onWaitResolve, onWaitReject) => {
doAwaitResponse(prevTask.p, () => {
_removeTask(_waiting, taskDetail);
_runTask(taskDetail, startAction)(onWaitResolve, onWaitReject);
});
});
};
const _doCleanup = (taskDetail) => {
_removeTask(_running, taskDetail);
taskDetail.t && taskDetail.t.cancel();
taskDetail.t = null;
if (_theTask && _theTask === taskDetail) {
_theTask = null;
if (tsUtils.getLength(_running) + tsUtils.getLength(_waiting) === 0) {
_blockedTimer && _blockedTimer.cancel();
_blockedTimer = null;
}
}
};
let theScheduler = {
idle: true,
queue: _queueTask,
setStaleTimeout: (staleTimeout, staleCheckPeriod) => {
_blockedTimer && _blockedTimer.cancel();
_blockedTimer = null;
_staleTimeoutPeriod = staleTimeout;
_staleTimeoutCheckPeriod = staleCheckPeriod || staleTimeout / 10;
_startBlockedTimer();
}
};
tsUtils.objDefine(theScheduler, "idle", {
g: () => {
return tsUtils.getLength(_running) + tsUtils.getLength(_waiting) === 0;
}
});
_addDebugState(theScheduler, () => _schedulerName, () => {
return {
l: _theTask,
r: _running,
w: _waiting
};
});
return theScheduler;
}
const toStringTagSymbol = tsUtils.getKnownSymbol(11);
let PolyPromise = ((function () {
function PolyPromiseImpl(executor) {
this._$ = createAsyncPromise(executor);
if (toStringTagSymbol) {
this[toStringTagSymbol] = "Promise";
}
tsUtils.objDefineProp(this, "state", {
get: function () {
return this._$.state;
}
});
}
PolyPromiseImpl.all = createAsyncAllPromise;
PolyPromiseImpl.race = createAsyncRacePromise;
PolyPromiseImpl.any = createAsyncAnyPromise;
PolyPromiseImpl.reject = createAsyncRejectedPromise;
PolyPromiseImpl.resolve = createAsyncResolvedPromise;
PolyPromiseImpl.allSettled = createAsyncAllSettledPromise;
let theProto = PolyPromiseImpl.prototype;
theProto.then = function (onResolved, onRejected) {
return this._$.then(onResolved, onRejected);
};
theProto.catch = function (onRejected) {
return this._$.catch(onRejected);
};
theProto.finally = function (onfinally) {
return this._$.finally(onfinally);
};
return PolyPromiseImpl;
}()));
exports.PolyPromise = PolyPromise;
exports.arrForEachAsync = arrForEachAsync;
exports.createAllPromise = createAllPromise;
exports.createAllSettledPromise = createAllSettledPromise;
exports.createAnyPromise = createAnyPromise;
exports.createAsyncAllPromise = createAsyncAllPromise;
exports.createAsyncAllSettledPromise = createAsyncAllSettledPromise;
exports.createAsyncAnyPromise = createAsyncAnyPromise;
exports.createAsyncPromise = createAsyncPromise;
exports.createAsyncRacePromise = createAsyncRacePromise;
exports.createAsyncRejectedPromise = createAsyncRejectedPromise;
exports.createAsyncResolvedPromise = createAsyncResolvedPromise;
exports.createIdleAllPromise = createIdleAllPromise;
exports.createIdleAllSettledPromise = createIdleAllSettledPromise;
exports.createIdleAnyPromise = createIdleAnyPromise;
exports.createIdlePromise = createIdlePromise;
exports.createIdleRacePromise = createIdleRacePromise;
exports.createIdleRejectedPromise = createIdleRejectedPromise;
exports.createIdleResolvedPromise = createIdleResolvedPromise;
exports.createNativeAllPromise = createNativeAllPromise;
exports.createNativeAllSettledPromise = createNativeAllSettledPromise;
exports.createNativeAnyPromise = createNativeAnyPromise;
exports.createNativePromise = createNativePromise;
exports.createNativeRacePromise = createNativeRacePromise;
exports.createNativeRejectedPromise = createNativeRejectedPromise;
exports.createNativeResolvedPromise = createNativeResolvedPromise;
exports.createPromise = createPromise;
exports.createRacePromise = createRacePromise;
exports.createRejectedPromise = createRejectedPromise;
exports.createResolvedPromise = createResolvedPromise;
exports.createSyncAllPromise = createSyncAllPromise;
exports.createSyncAllSettledPromise = createSyncAllSettledPromise;
exports.createSyncAnyPromise = createSyncAnyPromise;
exports.createSyncPromise = createSyncPromise;
exports.createSyncRacePromise = createSyncRacePromise;
exports.createSyncRejectedPromise = createSyncRejectedPromise;
exports.createSyncResolvedPromise = createSyncResolvedPromise;
exports.createTaskScheduler = createTaskScheduler;
exports.createTimeoutPromise = createTimeoutPromise;
exports.doAwait = doAwait;
exports.doAwaitResponse = doAwaitResponse;
exports.doFinally = doFinally;
exports.doWhileAsync = doWhileAsync;
exports.iterForOfAsync = iterForOfAsync;
exports.setCreatePromiseImpl = setCreatePromiseImpl;
exports.setDefaultIdlePromiseTimeout = setDefaultIdlePromiseTimeout;
exports.setDefaultIdleTimeout = setDefaultIdleTimeout;
exports.setPromiseDebugState = setPromiseDebugState;
}));
//# sourceMappingURL=ts-async.js.map