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57 lines
2.1 KiB
57 lines
2.1 KiB
4 years ago
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var ReplaySubject_1 = require("../ReplaySubject");
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function shareReplay(configOrBufferSize, windowTime, scheduler) {
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var config;
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if (configOrBufferSize && typeof configOrBufferSize === 'object') {
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config = configOrBufferSize;
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}
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else {
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config = {
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bufferSize: configOrBufferSize,
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windowTime: windowTime,
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refCount: false,
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scheduler: scheduler
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};
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}
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return function (source) { return source.lift(shareReplayOperator(config)); };
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}
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exports.shareReplay = shareReplay;
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function shareReplayOperator(_a) {
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var _b = _a.bufferSize, bufferSize = _b === void 0 ? Number.POSITIVE_INFINITY : _b, _c = _a.windowTime, windowTime = _c === void 0 ? Number.POSITIVE_INFINITY : _c, useRefCount = _a.refCount, scheduler = _a.scheduler;
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var subject;
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var refCount = 0;
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var subscription;
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var hasError = false;
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var isComplete = false;
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return function shareReplayOperation(source) {
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refCount++;
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if (!subject || hasError) {
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hasError = false;
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subject = new ReplaySubject_1.ReplaySubject(bufferSize, windowTime, scheduler);
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subscription = source.subscribe({
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next: function (value) { subject.next(value); },
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error: function (err) {
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hasError = true;
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subject.error(err);
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},
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complete: function () {
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isComplete = true;
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subscription = undefined;
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subject.complete();
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},
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});
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}
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var innerSub = subject.subscribe(this);
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this.add(function () {
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refCount--;
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innerSub.unsubscribe();
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if (subscription && !isComplete && useRefCount && refCount === 0) {
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subscription.unsubscribe();
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subscription = undefined;
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subject = undefined;
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}
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});
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};
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}
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//# sourceMappingURL=shareReplay.js.map
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