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Stronger typescript support for deep-object-diff #81

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Stronger typescript support for deep-object-diff #81

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20 changes: 15 additions & 5 deletions index.d.ts
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Original file line number Diff line number Diff line change
@@ -1,9 +1,19 @@
export function diff (originalObj: object, updatedObj: object): object
type DeepPartial<T> = T extends object ? {
[P in keyof T]?: DeepPartial<T[P]>;
} : T;

export function addedDiff (originalObj: object, updatedObj: object): object
export function diff <T extends object, J extends object>(originalObj: T, updatedObj: J): DeepPartial<T & J>

export function deletedDiff (originalObj: object, updatedObj: object): object
export function addedDiff <T extends object, J extends object>(originalObj: T, updatedObj: J): DeepPartial<T & J>

export function updatedDiff (originalObj: object, updatedObj: object): object
export function deletedDiff <T extends object, J extends object>(originalObj: T, updatedObj: J): DeepPartial<T & J>

export function detailedDiff (originalObj: object, updatedObj: object): object
export function updatedDiff <T extends object, J extends object>(originalObj: T, updatedObj: J): DeepPartial<T & J>

export interface DetailedDiff<T extends object, J extends object> {
added: DeepPartial<T & J>
deleted: DeepPartial<T & J>
updated: DeepPartial<T & J>
}

export function detailedDiff <T extends object, J extends object>(originalObj: T, updatedObj: J): DetailedDiff<T & J>