134 lines
3.5 KiB
JavaScript
134 lines
3.5 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.takeUntil = takeUntil;
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exports.skipUntil = skipUntil;
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exports.during = during;
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var _Stream = require('../Stream');
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var _Stream2 = _interopRequireDefault(_Stream);
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var _Pipe = require('../sink/Pipe');
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var _Pipe2 = _interopRequireDefault(_Pipe);
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var _dispose = require('../disposable/dispose');
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var dispose = _interopRequireWildcard(_dispose);
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var _flatMap = require('../combinator/flatMap');
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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 takeUntil(signal, stream) {
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return new _Stream2.default(new Until(signal.source, stream.source));
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}
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function skipUntil(signal, stream) {
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return new _Stream2.default(new Since(signal.source, stream.source));
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}
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function during(timeWindow, stream) {
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return takeUntil((0, _flatMap.join)(timeWindow), skipUntil(timeWindow, stream));
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}
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function Until(maxSignal, source) {
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this.maxSignal = maxSignal;
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this.source = source;
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}
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Until.prototype.run = function (sink, scheduler) {
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var min = new Bound(-Infinity, sink);
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var max = new UpperBound(this.maxSignal, sink, scheduler);
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var disposable = this.source.run(new TimeWindowSink(min, max, sink), scheduler);
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return dispose.all([min, max, disposable]);
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};
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function Since(minSignal, source) {
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this.minSignal = minSignal;
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this.source = source;
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}
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Since.prototype.run = function (sink, scheduler) {
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var min = new LowerBound(this.minSignal, sink, scheduler);
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var max = new Bound(Infinity, sink);
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var disposable = this.source.run(new TimeWindowSink(min, max, sink), scheduler);
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return dispose.all([min, max, disposable]);
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};
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function Bound(value, sink) {
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this.value = value;
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this.sink = sink;
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}
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Bound.prototype.error = _Pipe2.default.prototype.error;
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Bound.prototype.event = noop;
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Bound.prototype.end = noop;
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Bound.prototype.dispose = noop;
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function TimeWindowSink(min, max, sink) {
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this.min = min;
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this.max = max;
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this.sink = sink;
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}
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TimeWindowSink.prototype.event = function (t, x) {
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if (t >= this.min.value && t < this.max.value) {
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this.sink.event(t, x);
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}
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};
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TimeWindowSink.prototype.error = _Pipe2.default.prototype.error;
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TimeWindowSink.prototype.end = _Pipe2.default.prototype.end;
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function LowerBound(signal, sink, scheduler) {
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this.value = Infinity;
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this.sink = sink;
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this.disposable = signal.run(this, scheduler);
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}
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LowerBound.prototype.event = function (t /*, x */) {
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if (t < this.value) {
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this.value = t;
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}
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};
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LowerBound.prototype.end = noop;
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LowerBound.prototype.error = _Pipe2.default.prototype.error;
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LowerBound.prototype.dispose = function () {
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return this.disposable.dispose();
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};
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function UpperBound(signal, sink, scheduler) {
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this.value = Infinity;
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this.sink = sink;
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this.disposable = signal.run(this, scheduler);
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}
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UpperBound.prototype.event = function (t, x) {
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if (t < this.value) {
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this.value = t;
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this.sink.end(t, x);
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}
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};
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UpperBound.prototype.end = noop;
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UpperBound.prototype.error = _Pipe2.default.prototype.error;
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UpperBound.prototype.dispose = function () {
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return this.disposable.dispose();
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};
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function noop() {} |