Usage

objectify([1, 2, 3], (n) => "#" + n);
// { '#1': 1, '#2': 2, '#3': 3 }

objectify(
  [
    { id: 1, name: "John" },
    { id: 2, name: "Jane" },
  ],
  (obj) => obj.id,
  (obj) => obj.name,
);
// { 1: 'John', 2: 'Jane' }

Installation

CLI

npx atmx add helper objectify

Manually

Copy and paste the following method into @/utils/helpers/objectify.ts:

/**
* Convert an array to a dictionary by mapping each item into a
* dictionary key & value.
*
* @see https://radashi-org.github.io/reference/array/objectify
* @example
* ```ts
* objectify([1, 2, 3], (n) => '#' + n)
* // { '#1': 1, '#2': 2, '#3': 3 }
*
* objectify(
*   [{id: 1, name: 'John'}, {id: 2, name: 'Jane'}],
*   (obj) => obj.id,
*   (obj) => obj.name
* )
* // { 1: 'John', 2: 'Jane' }
* ```
*/
export function objectify<T, Key extends string | number | symbol, Value = T>(
array: readonly T[],
getKey: (item: T) => Key,
getValue: (item: T) => Value = (item) => item as unknown as Value,
): Record<Key, Value> {
return array.reduce(
(acc, item) => {
  acc[getKey(item)] = getValue(item);
  return acc;
},
{} as Record<Key, Value>,
);
}