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-rw-r--r--node_modules/rxjs/dist/cjs/internal/observable/combineLatest.js75
1 files changed, 75 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/cjs/internal/observable/combineLatest.js b/node_modules/rxjs/dist/cjs/internal/observable/combineLatest.js
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+++ b/node_modules/rxjs/dist/cjs/internal/observable/combineLatest.js
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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.combineLatestInit = exports.combineLatest = void 0;
+var Observable_1 = require("../Observable");
+var argsArgArrayOrObject_1 = require("../util/argsArgArrayOrObject");
+var from_1 = require("./from");
+var identity_1 = require("../util/identity");
+var mapOneOrManyArgs_1 = require("../util/mapOneOrManyArgs");
+var args_1 = require("../util/args");
+var createObject_1 = require("../util/createObject");
+var OperatorSubscriber_1 = require("../operators/OperatorSubscriber");
+var executeSchedule_1 = require("../util/executeSchedule");
+function combineLatest() {
+ var args = [];
+ for (var _i = 0; _i < arguments.length; _i++) {
+ args[_i] = arguments[_i];
+ }
+ var scheduler = args_1.popScheduler(args);
+ var resultSelector = args_1.popResultSelector(args);
+ var _a = argsArgArrayOrObject_1.argsArgArrayOrObject(args), observables = _a.args, keys = _a.keys;
+ if (observables.length === 0) {
+ return from_1.from([], scheduler);
+ }
+ var result = new Observable_1.Observable(combineLatestInit(observables, scheduler, keys
+ ?
+ function (values) { return createObject_1.createObject(keys, values); }
+ :
+ identity_1.identity));
+ return resultSelector ? result.pipe(mapOneOrManyArgs_1.mapOneOrManyArgs(resultSelector)) : result;
+}
+exports.combineLatest = combineLatest;
+function combineLatestInit(observables, scheduler, valueTransform) {
+ if (valueTransform === void 0) { valueTransform = identity_1.identity; }
+ return function (subscriber) {
+ maybeSchedule(scheduler, function () {
+ var length = observables.length;
+ var values = new Array(length);
+ var active = length;
+ var remainingFirstValues = length;
+ var _loop_1 = function (i) {
+ maybeSchedule(scheduler, function () {
+ var source = from_1.from(observables[i], scheduler);
+ var hasFirstValue = false;
+ source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
+ values[i] = value;
+ if (!hasFirstValue) {
+ hasFirstValue = true;
+ remainingFirstValues--;
+ }
+ if (!remainingFirstValues) {
+ subscriber.next(valueTransform(values.slice()));
+ }
+ }, function () {
+ if (!--active) {
+ subscriber.complete();
+ }
+ }));
+ }, subscriber);
+ };
+ for (var i = 0; i < length; i++) {
+ _loop_1(i);
+ }
+ }, subscriber);
+ };
+}
+exports.combineLatestInit = combineLatestInit;
+function maybeSchedule(scheduler, execute, subscription) {
+ if (scheduler) {
+ executeSchedule_1.executeSchedule(subscription, scheduler, execute);
+ }
+ else {
+ execute();
+ }
+}
+//# sourceMappingURL=combineLatest.js.map \ No newline at end of file
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