JezK

Edit File: mergeAll-spec.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var chai_1 = require("chai");
var operators_1 = require("rxjs/operators");
var testing_1 = require("rxjs/testing");
var rxjs_1 = require("rxjs");
var observableMatcher_1 = require("../helpers/observableMatcher");
describe('mergeAll', function () {
    var testScheduler;
    beforeEach(function () {
        testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    it('should merge a hot observable of cold observables', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    --a---b--c---d--|      ');
            var xsubs = '   --^---------------!      ';
            var y = cold('           ----e---f--g---|');
            var ysubs = '   ---------^--------------!';
            var e1 = hot('  --x------y-------|       ', { x: x, y: y });
            var e1subs = '  ^----------------!       ';
            var expected = '----a---b--c-e-d-f--g---|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge all observables in an observable', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.from)([
                (0, rxjs_1.of)('a'),
                (0, rxjs_1.of)('b'),
                (0, rxjs_1.of)('c')
            ]);
            var expected = '(abc|)';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
        });
    });
    it('should throw if any child observable throws', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.from)([
                (0, rxjs_1.of)('a'),
                (0, rxjs_1.throwError)(function () { return ('error'); }),
                (0, rxjs_1.of)('c')
            ]);
            var expected = '(a#)';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
        });
    });
    it('should handle merging a hot observable of observables', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a---b---c---|   ');
            var xsubs = '   --^-----------!   ';
            var y = cold('       d---e---f---|');
            var ysubs = '   -----^-----------!';
            var e1 = hot('  --x--y--|         ', { x: x, y: y });
            var e1subs = '  ^-------!         ';
            var expected = '--a--db--ec--f---|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge one cold Observable at a time with parameter concurrency=1', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a---b---c---|            ');
            var xsubs = '   --^-----------!            ';
            var y = cold('                d---e---f---|');
            var ysubs = '   --------------^-----------!';
            var e1 = hot('  --x--y--|                  ', { x: x, y: y });
            var e1subs = '  ^-------!                  ';
            var expected = '--a---b---c---d---e---f---|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)(1))).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge two cold Observables at a time with parameter concurrency=2', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a---b---c---|        ');
            var xsubs = '   --^-----------!        ';
            var y = cold('       d---e---f---|     ');
            var ysubs = '   -----^-----------!     ';
            var z = cold('                --g---h-|');
            var zsubs = '   --------------^-------!';
            var e1 = hot('  --x--y--z--|           ', { x: x, y: y, z: z });
            var e1subs = '  ^----------!           ';
            var expected = '--a--db--ec--f--g---h-|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)(2))).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge one hot Observable at a time with parameter concurrency=1', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = hot('   ---a---b---c---|          ');
            var xsubs = '   --^------------!          ';
            var y = hot('   -------------d---e---f---|');
            var ysubs = '   ---------------^---------!';
            var e1 = hot('  --x--y--|                 ', { x: x, y: y });
            var e1subs = '  ^-------!                 ';
            var expected = '---a---b---c-----e---f---|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)(1))).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge two hot Observables at a time with parameter concurrency=2', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = hot('   i--a---b---c---|        ');
            var xsubs = '   --^------------!        ';
            var y = hot('   -i-i--d---e---f---|     ');
            var ysubs = '   -----^------------!     ';
            var z = hot('   --i--i--i--i-----g---h-|');
            var zsubs = '   ---------------^-------!';
            var e1 = hot('  --x--y--z--|            ', { x: x, y: y, z: z });
            var e1subs = '  ^----------!            ';
            var expected = '---a--db--ec--f--g---h-|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)(2))).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle merging a hot observable of observables, outer unsubscribed early', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a---b---c---|   ');
            var xsubs = '   --^---------!     ';
            var y = cold('       d---e---f---|');
            var ysubs = '   -----^------!     ';
            var e1 = hot('  --x--y--|         ', { x: x, y: y });
            var e1subs = '  ^-------!         ';
            var expected = '--a--db--ec--     ';
            var unsub = '   ------------!     ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)()), unsub).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should not break unsubscription chains when result is unsubscribed explicitly', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a---b---c---|   ');
            var xsubs = '   --^---------!     ';
            var y = cold('       d---e---f---|');
            var ysubs = '   -----^------!     ';
            var e1 = hot('  --x--y--|         ', { x: x, y: y });
            var e1subs = '  ^-------!         ';
            var expected = '--a--db--ec--     ';
            var unsub = '   ------------!     ';
            var result = e1.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.mergeAll)(), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge parallel emissions', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    ----a----b----c---|');
            var xsubs = '   --^-----------------!';
            var y = cold('       -d----e----f---|');
            var ysubs = '   -----^--------------!';
            var e1 = hot('  --x--y--|            ', { x: x, y: y });
            var e1subs = '  ^-------!            ';
            var expected = '------(ad)-(be)-(cf)|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge empty and empty', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    |      ');
            var xsubs = '   --(^!)   ';
            var y = cold('       |   ');
            var ysubs = '   -----(^!)';
            var e1 = hot('  --x--y--|', { x: x, y: y });
            var e1subs = '  ^-------!';
            var expected = '--------|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge three empties', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    |         ');
            var xsubs = '   --(^!)      ';
            var y = cold('       |      ');
            var ysubs = '   -----(^!)   ';
            var z = cold('         |    ');
            var zsubs = '   -------(^!) ';
            var e1 = hot('  --x--y-z---|', { x: x, y: y, z: z });
            var e1subs = '  ^----------!';
            var expected = '-----------|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge never and empty', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    -      ');
            var xsubs = '   --^      ';
            var y = cold('       |   ');
            var ysubs = '   -----(^!)';
            var e1 = hot('  --x--y--|', { x: x, y: y });
            var e1subs = '  ^-------!';
            var expected = '---------';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge never and never', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    -      ');
            var xsubs = '   --^      ';
            var y = cold('       -   ');
            var ysubs = '   -----^   ';
            var e1 = hot('  --x--y--|', { x: x, y: y });
            var e1subs = '  ^-------!';
            var expected = '---------';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge empty and throw', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    |      ');
            var xsubs = '   --(^!)   ';
            var y = cold('       #   ');
            var ysubs = '   -----(^!)';
            var e1 = hot('  --x--y--|', { x: x, y: y });
            var e1subs = '  ^----!   ';
            var expected = '-----#   ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge never and throw', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    -      ');
            var xsubs = '   --^--!   ';
            var y = cold('       #   ');
            var ysubs = '   -----(^!)';
            var e1 = hot('  --x--y--|', { x: x, y: y });
            var e1subs = '  ^----!   ';
            var expected = '-----#   ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge empty and eventual error', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    |         ');
            var xsubs = '   --(^!)      ';
            var y = cold('       ------#');
            var ysubs = '   -----^-----!';
            var e1 = hot('  --x--y--|   ', { x: x, y: y });
            var e1subs = '  ^-------!   ';
            var expected = '-----------#';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge never and eventual error', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    -         ');
            var xsubs = '   --^--------!';
            var y = cold('       ------#');
            var ysubs = '   -----^-----!';
            var e1 = hot('  --x--y--|   ', { x: x, y: y });
            var e1subs = '  ^-------!   ';
            var expected = '-----------#';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should take an empty source and return empty too', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' |   ');
            var e1subs = '  (^!)';
            var expected = '|   ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should take a never source and return never too', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' -');
            var e1subs = '  ^';
            var expected = '-';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should take a throw source and return throw too', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' #   ');
            var e1subs = '  (^!)';
            var expected = '#   ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle merging a hot observable of non-overlapped observables', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a-b---------|                 ');
            var xsubs = '   --^-----------!                 ';
            var y = cold('              c-d-e-f-|           ');
            var ysubs = '   ------------^-------!           ';
            var z = cold('                       g-h-i-j-k-|');
            var zsubs = '   ---------------------^---------!';
            var e1 = hot('  --x---------y--------z--------| ', { x: x, y: y, z: z });
            var e1subs = '  ^-----------------------------! ';
            var expected = '--a-b-------c-d-e-f--g-h-i-j-k-|';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should raise error if inner observable raises error', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a-b---------|                 ');
            var xsubs = '   --^-----------!                 ';
            var y = cold('              c-d-e-f-#           ');
            var ysubs = '   ------------^-------!           ';
            var z = cold('                       g-h-i-j-k-|');
            var zsubs = [];
            var e1 = hot('  --x---------y--------z--------| ', { x: x, y: y, z: z });
            var e1subs = '  ^-------------------!           ';
            var expected = '--a-b-------c-d-e-f-#           ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should raise error if outer observable raises error', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('    a-b---------|      ');
            var xsubs = '   --^-----------!      ';
            var y = cold('              c-d-e-f-|');
            var ysubs = '   ------------^---!    ';
            var e1 = hot('  --x---------y---#    ', { x: x, y: y });
            var e1subs = '  ^---------------!    ';
            var expected = '--a-b-------c-d-#    ';
            expectObservable(e1.pipe((0, operators_1.mergeAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should merge all promises in an observable', function (done) {
        var e1 = (0, rxjs_1.from)([
            new Promise(function (res) {
                res('a');
            }),
            new Promise(function (res) {
                res('b');
            }),
            new Promise(function (res) {
                res('c');
            }),
            new Promise(function (res) {
                res('d');
            }),
        ]);
        var expected = ['a', 'b', 'c', 'd'];
        var res = [];
        e1.pipe((0, operators_1.mergeAll)()).subscribe({
            next: function (x) {
                res.push(x);
            },
            error: function () {
                done(new Error('should not be called'));
            },
            complete: function () {
                (0, chai_1.expect)(res).to.deep.equal(expected);
                done();
            },
        });
    });
    it('should raise error when promise rejects', function (done) {
        var error = 'error';
        var e1 = (0, rxjs_1.from)([
            new Promise(function (res) {
                res('a');
            }),
            new Promise(function (res, rej) {
                rej(error);
            }),
            new Promise(function (res) {
                res('c');
            }),
            new Promise(function (res) {
                res('d');
            }),
        ]);
        var res = [];
        e1.pipe((0, operators_1.mergeAll)()).subscribe({
            next: function (x) {
                res.push(x);
            },
            error: function (err) {
                (0, chai_1.expect)(res.length).to.equal(1);
                (0, chai_1.expect)(err).to.equal('error');
                done();
            },
            complete: function () {
                done(new Error('should not be called'));
            },
        });
    });
    it('should finalize generators when merged if the subscription ends', function () {
        var _a;
        var iterable = (_a = {
                finalized: false,
                next: function () {
                    return { value: 'duck', done: false };
                },
                return: function () {
                    this.finalized = true;
                }
            },
            _a[Symbol.iterator] = function () {
                return this;
            },
            _a);
        var results = [];
        var iterableObservable = (0, rxjs_1.from)(iterable);
        (0, rxjs_1.of)(iterableObservable)
            .pipe((0, operators_1.mergeAll)(), (0, operators_1.take)(3))
            .subscribe({ next: function (x) { return results.push(x); }, complete: function () { return results.push('GOOSE!'); } });
        (0, chai_1.expect)(results).to.deep.equal(['duck', 'duck', 'duck', 'GOOSE!']);
        (0, chai_1.expect)(iterable.finalized).to.be.true;
    });
    it('should merge two observables', function (done) {
        var a = (0, rxjs_1.of)(1, 2, 3);
        var b = (0, rxjs_1.of)(4, 5, 6, 7, 8);
        var r = [1, 2, 3, 4, 5, 6, 7, 8];
        (0, rxjs_1.of)(a, b)
            .pipe((0, operators_1.mergeAll)())
            .subscribe({
            next: function (val) {
                (0, chai_1.expect)(val).to.equal(r.shift());
            },
            complete: done,
        });
    });
    it('should merge two immediately-scheduled observables', function (done) {
        var a = (0, rxjs_1.of)(1, 2, 3, rxjs_1.queueScheduler);
        var b = (0, rxjs_1.of)(4, 5, 6, 7, 8, rxjs_1.queueScheduler);
        var r = [1, 2, 4, 3, 5, 6, 7, 8];
        (0, rxjs_1.of)(a, b, rxjs_1.queueScheduler)
            .pipe((0, operators_1.mergeAll)())
            .subscribe({
            next: function (val) {
                (0, chai_1.expect)(val).to.equal(r.shift());
            },
            complete: done,
        });
    });
    it('should stop listening to a synchronous observable when unsubscribed', function () {
        var sideEffects = [];
        var synchronousObservable = new rxjs_1.Observable(function (subscriber) {
            for (var i = 0; !subscriber.closed && i < 10; i++) {
                sideEffects.push(i);
                subscriber.next(i);
            }
        });
        (0, rxjs_1.of)(synchronousObservable)
            .pipe((0, operators_1.mergeAll)(), (0, operators_1.take)(3))
            .subscribe(function () {
        });
        (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]);
    });
});
//# sourceMappingURL=mergeAll-spec.js.map

Fairnetzt-Hochrhein | Vernetzung . Nachhaltigkeit . Gemeinschaft

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Auf beiden Seiten der Rheingrenze gibt es viele Initiativen, Organisationen, Vereine und auch engagierte Einzelpersonen, welche sich für eine nachhaltige, lebenswerte Zukunft in unserer Region und darüber hinaus einsetzen.

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Ziel der Treffen ist, miteinander und voneinander zu lernen, wie man sich in verschiedenen Alltagsbereichen nachhaltiger verhalten kann:
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