1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
=== tests/cases/compiler/nestedLoopTypeGuards.ts ===
// Repros from #10378
function f1() {
>f1 : Symbol(f1, Decl(nestedLoopTypeGuards.ts, 0, 0))
var a: boolean | number | string;
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 3, 7))
if (typeof a !== 'boolean') {
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 3, 7))
// a is narrowed to "number | string"
for (var i = 0; i < 1; i++) {
>i : Symbol(i, Decl(nestedLoopTypeGuards.ts, 6, 16))
>i : Symbol(i, Decl(nestedLoopTypeGuards.ts, 6, 16))
>i : Symbol(i, Decl(nestedLoopTypeGuards.ts, 6, 16))
for (var j = 0; j < 1; j++) {}
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
if (typeof a === 'string') {
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 3, 7))
// a is narrowed to "string'
for (var j = 0; j < 1; j++) {
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
>j : Symbol(j, Decl(nestedLoopTypeGuards.ts, 7, 20), Decl(nestedLoopTypeGuards.ts, 10, 24))
a.length; // Should not error here
>a.length : Symbol(String.length, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 3, 7))
>length : Symbol(String.length, Decl(lib.es5.d.ts, --, --))
}
}
}
}
}
function f2() {
>f2 : Symbol(f2, Decl(nestedLoopTypeGuards.ts, 16, 1))
var a: string | number;
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 19, 7))
if (typeof a === 'string') {
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 19, 7))
while (1) {
while (1) {}
if (typeof a === 'string') {
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 19, 7))
while (1) {
a.length; // Should not error here
>a.length : Symbol(String.length, Decl(lib.es5.d.ts, --, --))
>a : Symbol(a, Decl(nestedLoopTypeGuards.ts, 19, 7))
>length : Symbol(String.length, Decl(lib.es5.d.ts, --, --))
}
}
}
}
}
|
