Function groupArrayBy

groupArrayBy<ElementType, NewKey>(inputArray, callback): 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)
  - - (value, index, originalArray): NewKey
    - Parameters
      value: ElementType
      index: number
      originalArray: readonly ElementType[]
      Returns 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:28