|
1 | | -import { of, asyncScheduler } from 'rxjs'; |
2 | | -import { expand } from 'rxjs/operators'; |
3 | | - |
4 | | -it('should infer correctly', () => { |
5 | | - const o = of(1, 2, 3).pipe(expand(value => of(value))); // $ExpectType Observable<number> |
6 | | - const p = of(1, 2, 3).pipe(expand(value => [value])); // $ExpectType Observable<number> |
7 | | - const q = of(1, 2, 3).pipe(expand(value => Promise.resolve(value))); // $ExpectType Observable<number> |
8 | | -}); |
9 | | - |
10 | | -it('should infer correctly with a different type as the source', () => { |
11 | | - const o = of(1, 2, 3).pipe(expand(value => of('foo'))); // $ExpectType Observable<string> |
12 | | - const p = of(1, 2, 3).pipe(expand(value => ['foo'])); // $ExpectType Observable<string> |
13 | | - const q = of(1, 2, 3).pipe(expand(value => Promise.resolve('foo'))); // $ExpectType Observable<string> |
14 | | -}); |
15 | | - |
16 | | -it('should support a project function with index', () => { |
17 | | - const o = of(1, 2, 3).pipe(expand((value, index) => of(index))); // $ExpectType Observable<number> |
18 | | -}); |
19 | | - |
20 | | -it('should support concurrent parameter', () => { |
21 | | - const o = of(1, 2, 3).pipe(expand(value => of(1), 47)); // $ExpectType Observable<number> |
22 | | -}); |
23 | | - |
24 | | -it('should support a scheduler', () => { |
25 | | - const o = of(1, 2, 3).pipe(expand(value => of(1), 47, asyncScheduler)); // $ExpectType Observable<number> |
26 | | -}); |
27 | | - |
28 | | -it('should enforce types', () => { |
29 | | - const o = of(1, 2, 3).pipe(expand()); // $ExpectError |
30 | | -}); |
31 | | - |
32 | | -it('should enforce project types', () => { |
33 | | - const o = of(1, 2, 3).pipe(expand((value: string, index) => of(1))); // $ExpectError |
34 | | - const p = of(1, 2, 3).pipe(expand((value, index: string) => of(1))); // $ExpectError |
35 | | -}); |
36 | | - |
37 | | -it('should enforce project return type', () => { |
38 | | - const o = of(1, 2, 3).pipe(expand(value => 1)); // $ExpectError |
39 | | -}); |
40 | | - |
41 | | -it('should enforce concurrent type', () => { |
42 | | - const o = of(1, 2, 3).pipe(expand(value => of(1), 'foo')); // $ExpectError |
43 | | -}); |
44 | | - |
45 | | -it('should enforce scheduler type', () => { |
46 | | - const o = of(1, 2, 3).pipe(expand(value => of(1), 47, 'foo')); // $ExpectError |
47 | | -}); |
48 | | - |
49 | | -it('should support union types', () => { |
50 | | - const o = of(1).pipe(expand(x => typeof x === 'string' ? of(123) : of('test'))); // $ExpectType Observable<string | number> |
51 | | -}); |
| 1 | +import { of, asyncScheduler } from 'rxjs'; |
| 2 | +import { expand } from 'rxjs/operators'; |
| 3 | + |
| 4 | +it('should infer correctly', () => { |
| 5 | + const o = of(1, 2, 3).pipe(expand(value => of(value))); // $ExpectType Observable<number> |
| 6 | + const p = of(1, 2, 3).pipe(expand(value => [value])); // $ExpectType Observable<number> |
| 7 | + const q = of(1, 2, 3).pipe(expand(value => Promise.resolve(value))); // $ExpectType Observable<number> |
| 8 | +}); |
| 9 | + |
| 10 | +it('should infer correctly with a different type as the source', () => { |
| 11 | + const o = of(1, 2, 3).pipe(expand(value => of('foo'))); // $ExpectType Observable<string> |
| 12 | + const p = of(1, 2, 3).pipe(expand(value => ['foo'])); // $ExpectType Observable<string> |
| 13 | + const q = of(1, 2, 3).pipe(expand(value => Promise.resolve('foo'))); // $ExpectType Observable<string> |
| 14 | +}); |
| 15 | + |
| 16 | +it('should support a project function with index', () => { |
| 17 | + const o = of(1, 2, 3).pipe(expand((value, index) => of(index))); // $ExpectType Observable<number> |
| 18 | +}); |
| 19 | + |
| 20 | +it('should support concurrent parameter', () => { |
| 21 | + const o = of(1, 2, 3).pipe(expand(value => of(1), 47)); // $ExpectType Observable<number> |
| 22 | +}); |
| 23 | + |
| 24 | +it('should enforce types', () => { |
| 25 | + const o = of(1, 2, 3).pipe(expand()); // $ExpectError |
| 26 | +}); |
| 27 | + |
| 28 | +it('should enforce project types', () => { |
| 29 | + const o = of(1, 2, 3).pipe(expand((value: string, index) => of(1))); // $ExpectError |
| 30 | + const p = of(1, 2, 3).pipe(expand((value, index: string) => of(1))); // $ExpectError |
| 31 | +}); |
| 32 | + |
| 33 | +it('should enforce project return type', () => { |
| 34 | + const o = of(1, 2, 3).pipe(expand(value => 1)); // $ExpectError |
| 35 | +}); |
| 36 | + |
| 37 | +it('should enforce concurrent type', () => { |
| 38 | + const o = of(1, 2, 3).pipe(expand(value => of(1), 'foo')); // $ExpectError |
| 39 | +}); |
| 40 | + |
| 41 | +it('should enforce scheduler type', () => { |
| 42 | + const o = of(1, 2, 3).pipe(expand(value => of(1), 47, 'foo')); // $ExpectError |
| 43 | +}); |
| 44 | + |
| 45 | +it('should support union types', () => { |
| 46 | + const o = of(1).pipe(expand(x => typeof x === 'string' ? of(123) : of('test'))); // $ExpectType Observable<string | number> |
| 47 | +}); |
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