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<div class="content" data-ice="content"><h1 data-ice="title">spec-js/operators/zipAll-spec.js</h1>
<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">"use strict";
var chai_1 = require('chai');
var Rx = require('../../dist/cjs/Rx');
var Observable = Rx.Observable;
var queueScheduler = Rx.Scheduler.queue;
/** @test {zipAll} */
describe('Observable.prototype.zipAll', function () {
asDiagram('zipAll')('should combine paired events from two observables', function () {
var x = cold('-a-----b-|');
var y = cold('--1-2-----');
var outer = hot('-x----y--------| ', { x: x, y: y });
var expected = '-----------------A----B-|';
var result = outer.zipAll(function (a, b) { return String(a) + String(b); });
expectObservable(result).toBe(expected, { A: 'a1', B: 'b2' });
});
it('should combine two observables', function () {
var a = hot('---1---2---3---');
var asubs = '^';
var b = hot('--4--5--6--7--8--');
var bsubs = '^';
var expected = '---x---y---z';
var values = { x: ['1', '4'], y: ['2', '5'], z: ['3', '6'] };
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, values);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should take all observables from the source and zip them', function (done) {
var expected = ['a1', 'b2', 'c3'];
var i = 0;
Observable.of(Observable.of('a', 'b', 'c'), Observable.of(1, 2, 3))
.zipAll(function (a, b) { return a + b; })
.subscribe(function (x) {
chai_1.expect(x).to.equal(expected[i++]);
}, null, done);
});
it('should end once one observable completes and its buffer is empty', function () {
var e1 = hot('---a--b--c--| ');
var e1subs = '^ ! ';
var e2 = hot('------d----e----f--------| ');
var e2subs = '^ ! ';
var e3 = hot('--------h----i----j---------'); // doesn't complete
var e3subs = '^ ! ';
var expected = '--------x----y----(z|) '; // e1 complete and buffer empty
var values = {
x: ['a', 'd', 'h'],
y: ['b', 'e', 'i'],
z: ['c', 'f', 'j']
};
expectObservable(Observable.of(e1, e2, e3).zipAll()).toBe(expected, values);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
expectSubscriptions(e3.subscriptions).toBe(e3subs);
});
it('should end once one observable nexts and zips value from completed other ' +
'observable whose buffer is empty', function () {
var e1 = hot('---a--b--c--| ');
var e1subs = '^ ! ';
var e2 = hot('------d----e----f| ');
var e2subs = '^ ! ';
var e3 = hot('--------h----i----j-------'); // doesn't complete
var e3subs = '^ ! ';
var expected = '--------x----y----(z|) '; // e2 buffer empty and signaled complete
var values = {
x: ['a', 'd', 'h'],
y: ['b', 'e', 'i'],
z: ['c', 'f', 'j']
};
expectObservable(Observable.of(e1, e2, e3).zipAll()).toBe(expected, values);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
expectSubscriptions(e2.subscriptions).toBe(e2subs);
expectSubscriptions(e3.subscriptions).toBe(e3subs);
});
describe('with iterables', function () {
it('should zip them with values', function () {
var myIterator = {
count: 0,
next: function () {
return { value: this.count++, done: false };
}
};
myIterator[Symbol.iterator] = function () { return this; };
var e1 = hot('---a---b---c---d---|');
var e1subs = '^ !';
var expected = '---w---x---y---z---|';
var values = {
w: ['a', 0],
x: ['b', 1],
y: ['c', 2],
z: ['d', 3]
};
expectObservable(Observable.of(e1, myIterator).zipAll()).toBe(expected, values);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
});
it('should only call `next` as needed', function () {
var nextCalled = 0;
var myIterator = {
count: 0,
next: function () {
nextCalled++;
return { value: this.count++, done: false };
}
};
myIterator[Symbol.iterator] = function () { return this; };
Observable.of(Observable.of(1, 2, 3), myIterator).zipAll()
.subscribe();
// since zip will call `next()` in advance, total calls when
// zipped with 3 other values should be 4.
chai_1.expect(nextCalled).to.equal(4);
});
it('should work with never observable and empty iterable', function () {
var a = cold('-');
var asubs = '^';
var b = [];
var expected = '-';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with empty observable and empty iterable', function () {
var a = cold('|');
var asubs = '(^!)';
var b = [];
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with empty observable and non-empty iterable', function () {
var a = cold('|');
var asubs = '(^!)';
var b = [1];
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with non-empty observable and empty iterable', function () {
var a = hot('---^----a--|');
var asubs = '^ !';
var b = [];
var expected = '--------|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with never observable and non-empty iterable', function () {
var a = cold('-');
var asubs = '^';
var b = [1];
var expected = '-';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with non-empty observable and non-empty iterable', function () {
var a = hot('---^----1--|');
var asubs = '^ ! ';
var b = [2];
var expected = '-----(x|)';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, { x: ['1', 2] });
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with non-empty observable and empty iterable', function () {
var a = hot('---^----#');
var asubs = '^ !';
var b = [];
var expected = '-----#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with observable which raises error and non-empty iterable', function () {
var a = hot('---^----#');
var asubs = '^ !';
var b = [1];
var expected = '-----#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with non-empty many observable and non-empty many iterable', function () {
var a = hot('---^--1--2--3--|');
var asubs = '^ ! ';
var b = [4, 5, 6];
var expected = '---x--y--(z|)';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, { x: ['1', 4], y: ['2', 5], z: ['3', 6] });
expectSubscriptions(a.subscriptions).toBe(asubs);
});
it('should work with non-empty observable and non-empty iterable selector that throws', function () {
var a = hot('---^--1--2--3--|');
var asubs = '^ !';
var b = [4, 5, 6];
var expected = '---x--#';
var selector = function (x, y) {
if (y === 5) {
throw new Error('too bad');
}
else {
return x + y;
}
};
expectObservable(Observable.of(a, b).zipAll(selector)).toBe(expected, { x: '14' }, new Error('too bad'));
expectSubscriptions(a.subscriptions).toBe(asubs);
});
});
it('should combine two observables and selector', function () {
var a = hot('---1---2---3---');
var asubs = '^';
var b = hot('--4--5--6--7--8--');
var bsubs = '^';
var expected = '---x---y---z';
expectObservable(Observable.of(a, b).zipAll(function (e1, e2) { return e1 + e2; }))
.toBe(expected, { x: '14', y: '25', z: '36' });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with n-ary symmetric', function () {
var a = hot('---1-^-1----4----|');
var asubs = '^ ! ';
var b = hot('---1-^--2--5----| ');
var bsubs = '^ ! ';
var c = hot('---1-^---3---6-| ');
var expected = '----x---y-| ';
expectObservable(Observable.of(a, b, c).zipAll()).toBe(expected, { x: ['1', '2', '3'], y: ['4', '5', '6'] });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with n-ary symmetric selector', function () {
var a = hot('---1-^-1----4----|');
var asubs = '^ ! ';
var b = hot('---1-^--2--5----| ');
var bsubs = '^ ! ';
var c = hot('---1-^---3---6-| ');
var expected = '----x---y-| ';
var observable = Observable.of(a, b, c).zipAll(function (r0, r1, r2) { return [r0, r1, r2]; });
expectObservable(observable).toBe(expected, { x: ['1', '2', '3'], y: ['4', '5', '6'] });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with n-ary symmetric array selector', function () {
var a = hot('---1-^-1----4----|');
var asubs = '^ ! ';
var b = hot('---1-^--2--5----| ');
var bsubs = '^ ! ';
var c = hot('---1-^---3---6-| ');
var expected = '----x---y-| ';
var observable = Observable.of(a, b, c).zipAll(function (r0, r1, r2) { return [r0, r1, r2]; });
expectObservable(observable).toBe(expected, { x: ['1', '2', '3'], y: ['4', '5', '6'] });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with some data asymmetric 1', function () {
var a = hot('---1-^-1-3-5-7-9-x-y-z-w-u-|');
var asubs = '^ ! ';
var b = hot('---1-^--2--4--6--8--0--| ');
var bsubs = '^ ! ';
var expected = '---a--b--c--d--e--| ';
expectObservable(Observable.of(a, b).zipAll(function (r1, r2) { return r1 + r2; }))
.toBe(expected, { a: '12', b: '34', c: '56', d: '78', e: '90' });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with some data asymmetric 2', function () {
var a = hot('---1-^--2--4--6--8--0--| ');
var asubs = '^ ! ';
var b = hot('---1-^-1-3-5-7-9-x-y-z-w-u-|');
var bsubs = '^ ! ';
var expected = '---a--b--c--d--e--| ';
expectObservable(Observable.of(a, b).zipAll(function (r1, r2) { return r1 + r2; }))
.toBe(expected, { a: '21', b: '43', c: '65', d: '87', e: '09' });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with some data symmetric', function () {
var a = hot('---1-^-1-3-5-7-9------| ');
var asubs = '^ ! ';
var b = hot('---1-^--2--4--6--8--0--|');
var bsubs = '^ ! ';
var expected = '---a--b--c--d--e-| ';
expectObservable(Observable.of(a, b).zipAll(function (r1, r2) { return r1 + r2; }))
.toBe(expected, { a: '12', b: '34', c: '56', d: '78', e: '90' });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with selector throws', function () {
var a = hot('---1-^-2---4----| ');
var asubs = '^ ! ';
var b = hot('---1-^--3----5----|');
var bsubs = '^ ! ';
var expected = '---x----# ';
var selector = function (x, y) {
if (y === '5') {
throw new Error('too bad');
}
else {
return x + y;
}
};
var observable = Observable.of(a, b).zipAll(selector);
expectObservable(observable).toBe(expected, { x: '23' }, new Error('too bad'));
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with right completes first', function () {
var a = hot('---1-^-2-----|');
var asubs = '^ !';
var b = hot('---1-^--3--|');
var bsubs = '^ !';
var expected = '---x--|';
expectObservable(Observable.zip(a, b)).toBe(expected, { x: ['2', '3'] });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should zip until one child terminates', function (done) {
var expected = ['a1', 'b2'];
var i = 0;
Observable.of(Observable.of('a', 'b', 'c'), Observable.of(1, 2))
.zipAll(function (a, b) { return a + b; })
.subscribe(function (x) {
chai_1.expect(x).to.equal(expected[i++]);
}, null, done);
});
it('should handle a hot observable of observables', function () {
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 = '--------u---v---w---|';
var values = {
u: ['a', 'd'],
v: ['b', 'e'],
w: ['c', 'f']
};
expectObservable(e1.zipAll()).toBe(expected, values);
expectSubscriptions(x.subscriptions).toBe(xsubs);
expectSubscriptions(y.subscriptions).toBe(ysubs);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
});
it('should handle merging a hot observable of non-overlapped observables', function () {
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 = '---------------------------u-v---------|';
var values = {
u: ['a', 'c', 'g'],
v: ['b', 'd', 'h']
};
expectObservable(e1.zipAll()).toBe(expected, values);
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 () {
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 = '------------------------------u-v-----#';
var expectedValues = {
u: ['a', 'c', 'g'],
v: ['b', 'd', 'h']
};
expectObservable(e1.zipAll()).toBe(expected, expectedValues);
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 () {
var y = cold('a-b---------|');
var z = cold('c-d-e-f-|');
var e1 = hot('--y---------z---#', { y: y, z: z });
var e1subs = '^ !';
var expected = '----------------#';
expectObservable(e1.zipAll()).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(e1subs);
});
it('should work with two nevers', function () {
var a = cold('-');
var asubs = '^';
var b = cold('-');
var bsubs = '^';
var expected = '-';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with never and empty', function () {
var a = cold('-');
var asubs = '(^!)';
var b = cold('|');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with empty and never', function () {
var a = cold('|');
var asubs = '(^!)';
var b = cold('-');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with empty and empty', function () {
var a = cold('|');
var asubs = '(^!)';
var b = cold('|');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with empty and non-empty', function () {
var a = cold('|');
var asubs = '(^!)';
var b = hot('---1--|');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with non-empty and empty', function () {
var a = hot('---1--|');
var asubs = '(^!)';
var b = cold('|');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with never and non-empty', function () {
var a = cold('-');
var asubs = '^';
var b = hot('---1--|');
var bsubs = '^ !';
var expected = '-';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with non-empty and never', function () {
var a = hot('---1--|');
var asubs = '^ !';
var b = cold('-');
var bsubs = '^';
var expected = '-';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should combine a source with a second', function () {
var a = hot('---1---2---3---');
var asubs = '^';
var b = hot('--4--5--6--7--8--');
var bsubs = '^';
var expected = '---x---y---z';
expectObservable(Observable.of(a, b).zipAll())
.toBe(expected, { x: ['1', '4'], y: ['2', '5'], z: ['3', '6'] });
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with empty and error', function () {
var a = cold('|');
var asubs = '(^!)';
var b = hot('------#', null, 'too bad');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with error and empty', function () {
var a = hot('------#', null, 'too bad');
var asubs = '(^!)';
var b = cold('|');
var bsubs = '(^!)';
var expected = '|';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with error', function () {
var a = hot('----------|');
var asubs = '^ ! ';
var b = hot('------# ');
var bsubs = '^ ! ';
var expected = '------# ';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with never and error', function () {
var a = cold('-');
var asubs = '^ !';
var b = hot('------#');
var bsubs = '^ !';
var expected = '------#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with error and never', function () {
var a = hot('------#');
var asubs = '^ !';
var b = cold('-');
var bsubs = '^ !';
var expected = '------#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with error and error', function () {
var a = hot('------#', null, 'too bad');
var asubs = '^ !';
var b = hot('----------#', null, 'too bad 2');
var bsubs = '^ !';
var expected = '------#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, null, 'too bad');
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with two sources that eventually raise errors', function () {
var a = hot('--w-----#----', { w: 1 }, 'too bad');
var asubs = '^ !';
var b = hot('-----z-----#-', { z: 2 }, 'too bad 2');
var bsubs = '^ !';
var expected = '-----x--#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, { x: [1, 2] }, 'too bad');
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with two sources that eventually raise errors (swapped)', function () {
var a = hot('-----z-----#-', { z: 2 }, 'too bad 2');
var asubs = '^ !';
var b = hot('--w-----#----', { w: 1 }, 'too bad');
var bsubs = '^ !';
var expected = '-----x--#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected, { x: [2, 1] }, 'too bad');
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should work with error and some', function () {
var a = cold('#');
var asubs = '(^!)';
var b = hot('--1--2--3--');
var bsubs = '(^!)';
var expected = '#';
expectObservable(Observable.of(a, b).zipAll()).toBe(expected);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
it('should combine two immediately-scheduled observables', function (done) {
var a = Observable.of(1, 2, 3, queueScheduler);
var b = Observable.of(4, 5, 6, 7, 8, queueScheduler);
var r = [[1, 4], [2, 5], [3, 6]];
var i = 0;
var result = Observable.of(a, b, queueScheduler).zipAll();
result.subscribe(function (vals) {
chai_1.expect(vals).to.deep.equal(r[i++]);
}, null, done);
});
it('should combine a source with an immediately-scheduled source', function (done) {
var a = Observable.of(1, 2, 3, queueScheduler);
var b = Observable.of(4, 5, 6, 7, 8);
var r = [[1, 4], [2, 5], [3, 6]];
var i = 0;
var result = Observable.of(a, b, queueScheduler).zipAll();
result.subscribe(function (vals) {
chai_1.expect(vals).to.deep.equal(r[i++]);
}, null, done);
});
it('should not break unsubscription chain when unsubscribed explicitly', function () {
var a = hot('---1---2---3---|');
var unsub = ' !';
var asubs = '^ !';
var b = hot('--4--5--6--7--8--|');
var bsubs = '^ !';
var expected = '---x---y--';
var values = { x: ['1', '4'], y: ['2', '5'] };
var r = Observable.of(a, b)
.mergeMap(function (x) { return Observable.of(x); })
.zipAll()
.mergeMap(function (x) { return Observable.of(x); });
expectObservable(r, unsub).toBe(expected, values);
expectSubscriptions(a.subscriptions).toBe(asubs);
expectSubscriptions(b.subscriptions).toBe(bsubs);
});
});
//# sourceMappingURL=zipAll-spec.js.map</code></pre>
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