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kitcat-dev/stringify-values.ts

Created September 20, 2021 12:34
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stringify-values.ts
type Stringified<T> = { [k in keyof T]: T[k] extends number ? string : T[k] };
const stringifyWithKeys = <T, K extends keyof T>(obj: T, ...keys: K[]): Stringified<T> => {
const stringifiedObject = obj as Stringified<T>;
for (const [key, value] of Object.entries(pick(stringifiedObject, ...keys))) {
if (value !== undefined && typeof value === 'number') {
stringifiedObject[key as K] = String(value) as T[K] extends number ? string : T[K];
}
}
return stringifiedObject;
};
stringifyWithKeys({ id: 2, name: 'Albert', age: 25 }, 'id') // { id: '2', name: 'Albert', age: 25 }
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