Skip to content

Generic type-safe implementation for Object.assign #30481

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
Schniz wants to merge 1 commit into from
Closed

Generic type-safe implementation for Object.assign #30481

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 2 additions & 29 deletions src/lib/es2015.core.d.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -261,36 +261,9 @@ interface ObjectConstructor {
* Copy the values of all of the enumerable own properties from one or more source objects to a
* target object. Returns the target object.
* @param target The target object to copy to.
* @param source The source object from which to copy properties.
* @param sources The source objects from which to copy properties.
*/
assign<T, U>(target: T, source: U): T & U;

/**
* Copy the values of all of the enumerable own properties from one or more source objects to a
* target object. Returns the target object.
* @param target The target object to copy to.
* @param source1 The first source object from which to copy properties.
* @param source2 The second source object from which to copy properties.
*/
assign<T, U, V>(target: T, source1: U, source2: V): T & U & V;

/**
* Copy the values of all of the enumerable own properties from one or more source objects to a
* target object. Returns the target object.
* @param target The target object to copy to.
* @param source1 The first source object from which to copy properties.
* @param source2 The second source object from which to copy properties.
* @param source3 The third source object from which to copy properties.
*/
assign<T, U, V, W>(target: T, source1: U, source2: V, source3: W): T & U & V & W;

/**
* Copy the values of all of the enumerable own properties from one or more source objects to a
* target object. Returns the target object.
* @param target The target object to copy to.
* @param sources One or more source objects from which to copy properties
*/
assign(target: object, ...sources: any[]): any;
assign<Source extends {}, Result extends Source>(target: Source, ...sources: Source[]): Pick<Result, keyof Source>;

/**
* Returns an array of all symbol properties found directly on object o.
Expand Down