Recursively deep merges all source objects into the target object in place. Like Object.assign if you provide {}
as the target a copy is produced. If the target and source property are object literals they are merged.
Deleting keys is supported by specifying a property starting with -=.
Recursively deep merges all source objects into the target object in place. Like
Object.assignif you provide{}as the target a copy is produced. If the target and source property are object literals they are merged. Deleting keys is supported by specifying a property starting with-=.