146 lines
3.7 KiB
JavaScript
146 lines
3.7 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.mergeConcurrently = mergeConcurrently;
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exports.mergeMapConcurrently = mergeMapConcurrently;
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var _Stream = require('../Stream');
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var _Stream2 = _interopRequireDefault(_Stream);
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var _dispose = require('../disposable/dispose');
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var dispose = _interopRequireWildcard(_dispose);
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var _LinkedList = require('../LinkedList');
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var _LinkedList2 = _interopRequireDefault(_LinkedList);
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var _prelude = require('@most/prelude');
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { newObj[key] = obj[key]; } } } newObj.default = obj; return newObj; } }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/** @license MIT License (c) copyright 2010-2016 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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function mergeConcurrently(concurrency, stream) {
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return mergeMapConcurrently(_prelude.id, concurrency, stream);
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}
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function mergeMapConcurrently(f, concurrency, stream) {
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return new _Stream2.default(new MergeConcurrently(f, concurrency, stream.source));
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}
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function MergeConcurrently(f, concurrency, source) {
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this.f = f;
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this.concurrency = concurrency;
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this.source = source;
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}
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MergeConcurrently.prototype.run = function (sink, scheduler) {
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return new Outer(this.f, this.concurrency, this.source, sink, scheduler);
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};
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function Outer(f, concurrency, source, sink, scheduler) {
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this.f = f;
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this.concurrency = concurrency;
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this.sink = sink;
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this.scheduler = scheduler;
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this.pending = [];
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this.current = new _LinkedList2.default();
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this.disposable = dispose.once(source.run(this, scheduler));
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this.active = true;
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}
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Outer.prototype.event = function (t, x) {
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this._addInner(t, x);
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};
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Outer.prototype._addInner = function (t, x) {
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if (this.current.length < this.concurrency) {
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this._startInner(t, x);
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} else {
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this.pending.push(x);
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}
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};
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Outer.prototype._startInner = function (t, x) {
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try {
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this._initInner(t, x);
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} catch (e) {
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this.error(t, e);
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}
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};
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Outer.prototype._initInner = function (t, x) {
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var innerSink = new Inner(t, this, this.sink);
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innerSink.disposable = mapAndRun(this.f, x, innerSink, this.scheduler);
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this.current.add(innerSink);
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};
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function mapAndRun(f, x, sink, scheduler) {
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return f(x).source.run(sink, scheduler);
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}
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Outer.prototype.end = function (t, x) {
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this.active = false;
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dispose.tryDispose(t, this.disposable, this.sink);
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this._checkEnd(t, x);
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};
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Outer.prototype.error = function (t, e) {
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this.active = false;
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this.sink.error(t, e);
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};
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Outer.prototype.dispose = function () {
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this.active = false;
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this.pending.length = 0;
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return Promise.all([this.disposable.dispose(), this.current.dispose()]);
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};
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Outer.prototype._endInner = function (t, x, inner) {
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this.current.remove(inner);
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dispose.tryDispose(t, inner, this);
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if (this.pending.length === 0) {
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this._checkEnd(t, x);
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} else {
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this._startInner(t, this.pending.shift());
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}
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};
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Outer.prototype._checkEnd = function (t, x) {
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if (!this.active && this.current.isEmpty()) {
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this.sink.end(t, x);
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}
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};
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function Inner(time, outer, sink) {
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this.prev = this.next = null;
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this.time = time;
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this.outer = outer;
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this.sink = sink;
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this.disposable = void 0;
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}
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Inner.prototype.event = function (t, x) {
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this.sink.event(Math.max(t, this.time), x);
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};
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Inner.prototype.end = function (t, x) {
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this.outer._endInner(Math.max(t, this.time), x, this);
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};
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Inner.prototype.error = function (t, e) {
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this.outer.error(Math.max(t, this.time), e);
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};
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Inner.prototype.dispose = function () {
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return this.disposable.dispose();
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}; |