Use Partial types for Object.assign

Author: falsandtru

lib/lib.es2015.core.d.ts

@@ -292,6 +292,14 @@ interface Object {
 }
 
 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 sources One or more source objects from which to copy properties
+      */
+    assign<T>(target: Partial<T>, ...sources: Partial<T>[]): T;
+
     /**
       * Copy the values of all of the enumerable own properties from one or more source objects to a
       * target object. Returns the target object.

lib/lib.es6.d.ts

@@ -4470,6 +4470,14 @@ interface Object {
 }
 
 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 sources One or more source objects from which to copy properties
+      */
+    assign<T>(target: Partial<T>, ...sources: Partial<T>[]): T;
+
     /**
       * Copy the values of all of the enumerable own properties from one or more source objects to a
       * target object. Returns the target object.

src/lib/es2015.core.d.ts

@@ -272,6 +272,14 @@ interface Object {
 }
 
 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 sources One or more source objects from which to copy properties
+      */
+    assign<T>(target: Partial<T>, ...sources: Partial<T>[]): T;
+
     /**
       * Copy the values of all of the enumerable own properties from one or more source objects to a
       * target object. Returns the target object.