CHIEFSOFT\ameye
1 line
8.8 KiB
JSON
1 line
8.8 KiB
JSON
{"ast":null,"code":"import { isScheduler } from '../util/isScheduler';\nimport { isArray } from '../util/isArray';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { fromArray } from './fromArray';\nconst NONE = {};\nexport function combineLatest(...observables) {\n let resultSelector = undefined;\n let scheduler = undefined;\n\n if (isScheduler(observables[observables.length - 1])) {\n scheduler = observables.pop();\n }\n\n if (typeof observables[observables.length - 1] === 'function') {\n resultSelector = observables.pop();\n }\n\n if (observables.length === 1 && isArray(observables[0])) {\n observables = observables[0];\n }\n\n return fromArray(observables, scheduler).lift(new CombineLatestOperator(resultSelector));\n}\nexport class CombineLatestOperator {\n constructor(resultSelector) {\n this.resultSelector = resultSelector;\n }\n\n call(subscriber, source) {\n return source.subscribe(new CombineLatestSubscriber(subscriber, this.resultSelector));\n }\n\n}\nexport class CombineLatestSubscriber extends OuterSubscriber {\n constructor(destination, resultSelector) {\n super(destination);\n this.resultSelector = resultSelector;\n this.active = 0;\n this.values = [];\n this.observables = [];\n }\n\n _next(observable) {\n this.values.push(NONE);\n this.observables.push(observable);\n }\n\n _complete() {\n const observables = this.observables;\n const len = observables.length;\n\n if (len === 0) {\n this.destination.complete();\n } else {\n this.active = len;\n this.toRespond = len;\n\n for (let i = 0; i < len; i++) {\n const observable = observables[i];\n this.add(subscribeToResult(this, observable, undefined, i));\n }\n }\n }\n\n notifyComplete(unused) {\n if ((this.active -= 1) === 0) {\n this.destination.complete();\n }\n }\n\n notifyNext(_outerValue, innerValue, outerIndex) {\n const values = this.values;\n const oldVal = values[outerIndex];\n const toRespond = !this.toRespond ? 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