Function groupArrayBy

groupArrayBy<ElementType, NewKey extends PropertyKey>(
    inputArray: readonly ElementType[],
    callback: (
        value: ElementType,
        index: number,
        originalArray: readonly ElementType[],
    ) => NewKey,
): Partial<Record<NewKey, ElementType[]>>
Polyfill for Object.groupBy: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/groupBy
Type Parameters
- ElementType
- NewKey extends PropertyKey
Parameters
- inputArray: readonly ElementType[]
- callback: (
      value: ElementType,
      index: number,
      originalArray: readonly ElementType[],
  ) => NewKey
Returns Partial<Record<NewKey, ElementType[]>>
Example
```
import {arrayToObject} from '@augment-vir/common';

const result = arrayToObject(['a', 'b'], (value) => `key-${value}`);
// result is `{key-a: ['a'], key-b: ['b']}`
```
- Defined in packages/common/src/augments/array/array-to-object.ts:22