File: inferStringLiteralUnionForBindingElement.js

package info (click to toggle)
node-typescript 5.0.4%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 459,140 kB
  • sloc: javascript: 1,972,754; makefile: 6; sh: 1
file content (41 lines) | stat: -rw-r--r-- 1,146 bytes parent folder | download | duplicates (3)
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
//// [inferStringLiteralUnionForBindingElement.ts]
declare function func<T extends string>(arg: { keys: T[] }): { readonly keys: T[]; readonly firstKey: T; };

function func1() {
    const { firstKey } = func({keys: ["aa", "bb"]})
    const a: "aa" | "bb" = firstKey;

    const { keys } = func({keys: ["aa", "bb"]})
    const b: ("aa" | "bb")[] = keys;
}
  
function func2() {
    const { keys, firstKey } = func({keys: ["aa", "bb"]})
    const a: "aa" | "bb" = firstKey;
    const b: ("aa" | "bb")[] = keys;
}

function func3() {
    const x = func({keys: ["aa", "bb"]})
    const a: "aa" | "bb" = x.firstKey;
    const b: ("aa" | "bb")[] = x.keys;
}


//// [inferStringLiteralUnionForBindingElement.js]
function func1() {
    var firstKey = func({ keys: ["aa", "bb"] }).firstKey;
    var a = firstKey;
    var keys = func({ keys: ["aa", "bb"] }).keys;
    var b = keys;
}
function func2() {
    var _a = func({ keys: ["aa", "bb"] }), keys = _a.keys, firstKey = _a.firstKey;
    var a = firstKey;
    var b = keys;
}
function func3() {
    var x = func({ keys: ["aa", "bb"] });
    var a = x.firstKey;
    var b = x.keys;
}