extend-merge

Shallow extend and deep merge utility function.

API

List of methods:

extend(target, object1, ...)

Arguments:

• target Object The target object.
• object1 Object The object that will extend the target.
• objectN Object (optional) More objects.

Return value: The extended target object.

Syntax:

extend({}, { a: "foo" }, { b: "bar" }));
// => result: { a: "foo", b: "bar" }

merge(target, source1, source2, ...)

Arguments:

• target Object The target object.
• object1 Object The object that will be merged in target.
• objectN Object (optional) More objects.

Return value: The merged target object.

Syntax:

merge({}, { a: { foo: "foo" } }, { a: { bar: "bar" } }));
// => result: { a: { foo: "foo", bar: "bar" } }

blend(target, source1, source2, ...)

Arguments:

• target Object The target object.
• object1 Object The object that will be merged in target.
• objectN Object (optional) More objects.

Return value: The blended target object.

Same behavior as merge() except that it also deeply merges non plain object.

Acknowledgement

Sorry I don't remember from where I copy pasted this code from. Don't hesitate to let me know.