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- "use strict";
- var __read = (this && this.__read) || function (o, n) {
- var m = typeof Symbol === "function" && o[Symbol.iterator];
- if (!m) return o;
- var i = m.call(o), r, ar = [], e;
- try {
- while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
- }
- catch (error) { e = { error: error }; }
- finally {
- try {
- if (r && !r.done && (m = i["return"])) m.call(i);
- }
- finally { if (e) throw e.error; }
- }
- return ar;
- };
- var __spreadArray = (this && this.__spreadArray) || function (to, from) {
- for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
- to[j] = from[i];
- return to;
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.share = void 0;
- var innerFrom_1 = require("../observable/innerFrom");
- var Subject_1 = require("../Subject");
- var Subscriber_1 = require("../Subscriber");
- var lift_1 = require("../util/lift");
- function share(options) {
- if (options === void 0) { options = {}; }
- var _a = options.connector, connector = _a === void 0 ? function () { return new Subject_1.Subject(); } : _a, _b = options.resetOnError, resetOnError = _b === void 0 ? true : _b, _c = options.resetOnComplete, resetOnComplete = _c === void 0 ? true : _c, _d = options.resetOnRefCountZero, resetOnRefCountZero = _d === void 0 ? true : _d;
- return function (wrapperSource) {
- var connection;
- var resetConnection;
- var subject;
- var refCount = 0;
- var hasCompleted = false;
- var hasErrored = false;
- var cancelReset = function () {
- resetConnection === null || resetConnection === void 0 ? void 0 : resetConnection.unsubscribe();
- resetConnection = undefined;
- };
- var reset = function () {
- cancelReset();
- connection = subject = undefined;
- hasCompleted = hasErrored = false;
- };
- var resetAndUnsubscribe = function () {
- var conn = connection;
- reset();
- conn === null || conn === void 0 ? void 0 : conn.unsubscribe();
- };
- return lift_1.operate(function (source, subscriber) {
- refCount++;
- if (!hasErrored && !hasCompleted) {
- cancelReset();
- }
- var dest = (subject = subject !== null && subject !== void 0 ? subject : connector());
- subscriber.add(function () {
- refCount--;
- if (refCount === 0 && !hasErrored && !hasCompleted) {
- resetConnection = handleReset(resetAndUnsubscribe, resetOnRefCountZero);
- }
- });
- dest.subscribe(subscriber);
- if (!connection &&
- refCount > 0) {
- connection = new Subscriber_1.SafeSubscriber({
- next: function (value) { return dest.next(value); },
- error: function (err) {
- hasErrored = true;
- cancelReset();
- resetConnection = handleReset(reset, resetOnError, err);
- dest.error(err);
- },
- complete: function () {
- hasCompleted = true;
- cancelReset();
- resetConnection = handleReset(reset, resetOnComplete);
- dest.complete();
- },
- });
- innerFrom_1.innerFrom(source).subscribe(connection);
- }
- })(wrapperSource);
- };
- }
- exports.share = share;
- function handleReset(reset, on) {
- var args = [];
- for (var _i = 2; _i < arguments.length; _i++) {
- args[_i - 2] = arguments[_i];
- }
- if (on === true) {
- reset();
- return;
- }
- if (on === false) {
- return;
- }
- var onSubscriber = new Subscriber_1.SafeSubscriber({
- next: function () {
- onSubscriber.unsubscribe();
- reset();
- },
- });
- return innerFrom_1.innerFrom(on.apply(void 0, __spreadArray([], __read(args)))).subscribe(onSubscriber);
- }
- //# sourceMappingURL=share.js.map
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