87 lines
2.0 KiB
JavaScript
87 lines
2.0 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.of = of;
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exports.empty = empty;
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exports.never = never;
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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 _PropagateTask = require('../scheduler/PropagateTask');
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var _PropagateTask2 = _interopRequireDefault(_PropagateTask);
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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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/**
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* Stream containing only x
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* @param {*} x
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* @returns {Stream}
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*/
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function of(x) {
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return new _Stream2.default(new Just(x));
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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 Just(x) {
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this.value = x;
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}
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Just.prototype.run = function (sink, scheduler) {
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return scheduler.asap(new _PropagateTask2.default(runJust, this.value, sink));
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};
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function runJust(t, x, sink) {
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sink.event(t, x);
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sink.end(t, void 0);
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}
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/**
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* Stream containing no events and ends immediately
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* @returns {Stream}
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*/
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function empty() {
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return EMPTY;
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}
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function EmptySource() {}
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EmptySource.prototype.run = function (sink, scheduler) {
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var task = _PropagateTask2.default.end(void 0, sink);
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scheduler.asap(task);
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return dispose.create(disposeEmpty, task);
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};
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function disposeEmpty(task) {
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return task.dispose();
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}
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var EMPTY = new _Stream2.default(new EmptySource());
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/**
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* Stream containing no events and never ends
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* @returns {Stream}
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*/
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function never() {
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return NEVER;
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}
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function NeverSource() {}
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NeverSource.prototype.run = function () {
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return dispose.empty();
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};
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var NEVER = new _Stream2.default(new NeverSource()); |