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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
=== tests/cases/conformance/es6/destructuring/destructuringControlFlow.ts ===
function f1(obj: { a?: string }) {
>f1 : Symbol(f1, Decl(destructuringControlFlow.ts, 0, 0))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 0, 12))
>a : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
if (obj.a) {
>obj.a : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 0, 12))
>a : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
obj = {};
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 0, 12))
let a1 = obj["a"]; // string | undefined
>a1 : Symbol(a1, Decl(destructuringControlFlow.ts, 3, 11))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 0, 12))
>"a" : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
let a2 = obj.a; // string | undefined
>a2 : Symbol(a2, Decl(destructuringControlFlow.ts, 4, 11))
>obj.a : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 0, 12))
>a : Symbol(a, Decl(destructuringControlFlow.ts, 0, 18))
}
}
function f2(obj: [number, string] | null[]) {
>f2 : Symbol(f2, Decl(destructuringControlFlow.ts, 6, 1))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
let a0 = obj[0]; // number | null
>a0 : Symbol(a0, Decl(destructuringControlFlow.ts, 9, 7))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>0 : Symbol(0)
let a1 = obj[1]; // string | null
>a1 : Symbol(a1, Decl(destructuringControlFlow.ts, 10, 7))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>1 : Symbol(1)
let [b0, b1] = obj;
>b0 : Symbol(b0, Decl(destructuringControlFlow.ts, 11, 9))
>b1 : Symbol(b1, Decl(destructuringControlFlow.ts, 11, 12))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
([a0, a1] = obj);
>a0 : Symbol(a0, Decl(destructuringControlFlow.ts, 9, 7))
>a1 : Symbol(a1, Decl(destructuringControlFlow.ts, 10, 7))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
if (obj[0] && obj[1]) {
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>0 : Symbol(0)
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>1 : Symbol(1)
let c0 = obj[0]; // number
>c0 : Symbol(c0, Decl(destructuringControlFlow.ts, 14, 11))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>0 : Symbol(0)
let c1 = obj[1]; // string
>c1 : Symbol(c1, Decl(destructuringControlFlow.ts, 15, 11))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
>1 : Symbol(1)
let [d0, d1] = obj;
>d0 : Symbol(d0, Decl(destructuringControlFlow.ts, 16, 13))
>d1 : Symbol(d1, Decl(destructuringControlFlow.ts, 16, 16))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
([c0, c1] = obj);
>c0 : Symbol(c0, Decl(destructuringControlFlow.ts, 14, 11))
>c1 : Symbol(c1, Decl(destructuringControlFlow.ts, 15, 11))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 8, 12))
}
}
function f3(obj: { a?: number, b?: string }) {
>f3 : Symbol(f3, Decl(destructuringControlFlow.ts, 19, 1))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 21, 12))
>a : Symbol(a, Decl(destructuringControlFlow.ts, 21, 18))
>b : Symbol(b, Decl(destructuringControlFlow.ts, 21, 30))
if (obj.a && obj.b) {
>obj.a : Symbol(a, Decl(destructuringControlFlow.ts, 21, 18))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 21, 12))
>a : Symbol(a, Decl(destructuringControlFlow.ts, 21, 18))
>obj.b : Symbol(b, Decl(destructuringControlFlow.ts, 21, 30))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 21, 12))
>b : Symbol(b, Decl(destructuringControlFlow.ts, 21, 30))
let { a, b } = obj; // number, string
>a : Symbol(a, Decl(destructuringControlFlow.ts, 23, 13))
>b : Symbol(b, Decl(destructuringControlFlow.ts, 23, 16))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 21, 12))
({ a, b } = obj);
>a : Symbol(a, Decl(destructuringControlFlow.ts, 24, 10))
>b : Symbol(b, Decl(destructuringControlFlow.ts, 24, 13))
>obj : Symbol(obj, Decl(destructuringControlFlow.ts, 21, 12))
}
}
function f4() {
>f4 : Symbol(f4, Decl(destructuringControlFlow.ts, 26, 1))
let x: boolean;
>x : Symbol(x, Decl(destructuringControlFlow.ts, 29, 7))
({ x } = 0); // Error
>x : Symbol(x, Decl(destructuringControlFlow.ts, 30, 6))
({ ["x"]: x } = 0); // Error
>["x"] : Symbol(["x"], Decl(destructuringControlFlow.ts, 31, 6))
>"x" : Symbol(["x"], Decl(destructuringControlFlow.ts, 31, 6))
>x : Symbol(x, Decl(destructuringControlFlow.ts, 29, 7))
({ ["x" + ""]: x } = 0); // Errpr
>["x" + ""] : Symbol(["x" + ""], Decl(destructuringControlFlow.ts, 32, 6))
>x : Symbol(x, Decl(destructuringControlFlow.ts, 29, 7))
}
|
