31 lines
No EOL
1 KiB
TypeScript
31 lines
No EOL
1 KiB
TypeScript
//#region src/map/mapValues.d.ts
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/**
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* Creates a new Map with the same keys but with values transformed by the provided function.
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*
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* This function takes a Map and a function that generates a new value from each value-key pair.
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* It returns a new Map where the values are the result of applying the function to each entry,
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* while the keys remain the same.
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*
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* @template K - The type of keys in the Map.
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* @template V - The type of values in the Map.
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* @param map - The Map to transform.
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* @param getNewValue - A function that generates a new value from a value-key pair.
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* @returns A new Map with the same keys and transformed values.
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*
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* @example
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* const map = new Map([
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* ['a', 1],
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* ['b', 2],
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* ['c', 3]
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* ]);
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* const result = mapValues(map, (value) => value * 2);
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* // result will be:
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* // Map(3) {
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* // 'a' => 2,
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* // 'b' => 4,
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* // 'c' => 6
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* // }
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*/
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declare function mapValues<K, V, R>(map: Map<K, V>, getNewValue: (value: V, key: K, object: Map<K, V>) => R): Map<K, R>;
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//#endregion
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export { mapValues }; |