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
|
=== tests/cases/compiler/narrowByEquality.ts ===
declare let x: number | string | boolean
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
declare let n: number;
>n : Symbol(n, Decl(narrowByEquality.ts, 1, 11))
declare let s: string;
>s : Symbol(s, Decl(narrowByEquality.ts, 2, 11))
declare let b: boolean;
>b : Symbol(b, Decl(narrowByEquality.ts, 3, 11))
if (x == n) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
>n : Symbol(n, Decl(narrowByEquality.ts, 1, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == s) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
>s : Symbol(s, Decl(narrowByEquality.ts, 2, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == b) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
>b : Symbol(b, Decl(narrowByEquality.ts, 3, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == 1) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == "") {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == "foo") {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == true) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
if (x == false) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
}
declare let xAndObj: number | string | boolean | object
>xAndObj : Symbol(xAndObj, Decl(narrowByEquality.ts, 37, 11))
if (xAndObj == {}) {
>xAndObj : Symbol(xAndObj, Decl(narrowByEquality.ts, 37, 11))
xAndObj;
>xAndObj : Symbol(xAndObj, Decl(narrowByEquality.ts, 37, 11))
}
if (x == xAndObj) {
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
>xAndObj : Symbol(xAndObj, Decl(narrowByEquality.ts, 37, 11))
x;
>x : Symbol(x, Decl(narrowByEquality.ts, 0, 11))
xAndObj;
>xAndObj : Symbol(xAndObj, Decl(narrowByEquality.ts, 37, 11))
}
// Repro from #24991
function test(level: number | string):number {
>test : Symbol(test, Decl(narrowByEquality.ts, 46, 1))
>level : Symbol(level, Decl(narrowByEquality.ts, 50, 14))
if (level == +level) {
>level : Symbol(level, Decl(narrowByEquality.ts, 50, 14))
>level : Symbol(level, Decl(narrowByEquality.ts, 50, 14))
const q2: number = level; // error
>q2 : Symbol(q2, Decl(narrowByEquality.ts, 52, 13))
>level : Symbol(level, Decl(narrowByEquality.ts, 50, 14))
return level;
>level : Symbol(level, Decl(narrowByEquality.ts, 50, 14))
}
return 0;
}
|