72 lines
2.0 KiB
JavaScript
72 lines
2.0 KiB
JavaScript
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'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.default = Map;
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var _Pipe = require('../sink/Pipe');
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var _Pipe2 = _interopRequireDefault(_Pipe);
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var _Filter = require('./Filter');
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var _Filter2 = _interopRequireDefault(_Filter);
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var _FilterMap = require('./FilterMap');
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var _FilterMap2 = _interopRequireDefault(_FilterMap);
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var _prelude = require('@most/prelude');
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var base = _interopRequireWildcard(_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 Map(f, source) {
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this.f = f;
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this.source = source;
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}
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/**
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* Create a mapped source, fusing adjacent map.map, filter.map,
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* and filter.map.map if possible
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* @param {function(*):*} f mapping function
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* @param {{run:function}} source source to map
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* @returns {Map|FilterMap} mapped source, possibly fused
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*/
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Map.create = function createMap(f, source) {
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if (source instanceof Map) {
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return new Map(base.compose(f, source.f), source.source);
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}
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if (source instanceof _Filter2.default) {
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return new _FilterMap2.default(source.p, f, source.source);
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}
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return new Map(f, source);
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};
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Map.prototype.run = function (sink, scheduler) {
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// eslint-disable-line no-extend-native
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return this.source.run(new MapSink(this.f, sink), scheduler);
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};
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function MapSink(f, sink) {
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this.f = f;
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this.sink = sink;
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}
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MapSink.prototype.end = _Pipe2.default.prototype.end;
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MapSink.prototype.error = _Pipe2.default.prototype.error;
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MapSink.prototype.event = function (t, x) {
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var f = this.f;
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this.sink.event(t, f(x));
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};
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