File: mappedTypeGenericWithKnownKeys.ts

package info (click to toggle)
node-typescript 5.0.4%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 459,140 kB
  • sloc: javascript: 1,972,754; makefile: 6; sh: 1
file content (14 lines) | stat: -rw-r--r-- 339 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// @noEmit: true
// @strict: true

// based on #50054

function test<Shape extends Record<string, string>>(shape: Shape, key: keyof Shape) {
    const obj = {} as Record<keyof Shape | "knownLiteralKey", number>;

    obj.knownLiteralKey = 1;
    obj[key] = 2;

    obj.unknownLiteralKey = 3; // error
    obj['' as string] = 4; // error
}