initial commit: scaffolding

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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index 0000000..b89f3c5
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+++ b/node_modules/rxjs/dist/cjs/internal/observable/combineLatest.js
@@ -0,0 +1,75 @@
+"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
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