Code Typing · TypeScript
Pick Utility
Build a narrow type from an object subset.
Difficulty: Beginner · 10 Lines · License: public-domain
function pick<T extends object, K extends keyof T>(
source: T,
keys: readonly K[]
): Pick<T, K> {
const result = {} as Pick<T, K>;
for (const key of keys) {
result[key] = source[key];
}
return result;
Time0:00
Speed (WPM)0.0
Accuracy100.0%
Mistakes0
Live Keyboard
Next Key: F | Last Pressed: -
Progress: 0.0%
`
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