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1 | | -export function diff (originalObj: object, updatedObj: object): object |
| 1 | +type DeepPartial<T> = { |
| 2 | + [K in keyof T]?: DeepPartial<T[K]> |
| 3 | +} |
2 | 4 |
|
3 | | -export function addedDiff (originalObj: object, updatedObj: object): object |
| 5 | +interface IDictionary<T> { |
| 6 | + [key: string]: T; |
| 7 | +} |
4 | 8 |
|
5 | | -export function deletedDiff (originalObj: object, updatedObj: object): object |
| 9 | +/* |
| 10 | + In "deep-object-diff" there're 2 scenarios for a property diff: |
| 11 | + 1. If the property is an object or primitive, the diff is a deep partial; |
| 12 | + 2. If the property is an array, the diff is a dictionary. |
| 13 | + Its keys are indices, and the values are deep partials of the change. |
| 14 | +*/ |
| 15 | +type PropertyDiff<T> = T extends Array<infer Elem> |
| 16 | + ? IDictionary<Elem> |
| 17 | + : DeepPartial<T>; |
6 | 18 |
|
7 | | -export function updatedDiff (originalObj: object, updatedObj: object): object |
| 19 | +export type Diff<T> = { |
| 20 | + [P in keyof T]?: PropertyDiff<T[P]>; |
| 21 | +}; |
8 | 22 |
|
9 | | -export function detailedDiff (originalObj: object, updatedObj: object): object |
| 23 | +export interface IDetailedDiff<T> { |
| 24 | + added: Diff<T>; |
| 25 | + deleted: Diff<T>; |
| 26 | + updated: Diff<T>; |
| 27 | +} |
| 28 | + |
| 29 | +export function diff<T> (originalObj: T, updatedObj: T): Diff<T> |
| 30 | + |
| 31 | +export function addedDiff<T> (originalObj: T, updatedObj: T): Diff<T> |
| 32 | + |
| 33 | +export function deletedDiff<T> (originalObj: T, updatedObj: T): Diff<T> |
| 34 | + |
| 35 | +export function updatedDiff<T> (originalObj: T, updatedObj: T): Diff<T> |
| 36 | + |
| 37 | +export function detailedDiff<T> (originalObj: T, updatedObj: T): IDetailedDiff<T> |
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