Update LKG

lib/lib.es2015.collection.d.ts

@@ -30,7 +30,7 @@ interface Map<K, V> {
 
 interface MapConstructor {
     new (): Map<any, any>;
-    new <K, V>(entries?: [K, V][]): Map<K, V>;
+    new <K, V>(entries?: ReadonlyArray<[K, V]>): Map<K, V>;
     readonly prototype: Map<any, any>;
 }
 declare var Map: MapConstructor;
@@ -51,7 +51,7 @@ interface WeakMap<K extends object, V> {
 
 interface WeakMapConstructor {
     new (): WeakMap<object, any>;
-    new <K extends object, V>(entries?: [K, V][]): WeakMap<K, V>;
+    new <K extends object, V>(entries?: ReadonlyArray<[K, V]>): WeakMap<K, V>;
     readonly prototype: WeakMap<object, any>;
 }
 declare var WeakMap: WeakMapConstructor;
@@ -67,7 +67,7 @@ interface Set<T> {
 
 interface SetConstructor {
     new (): Set<any>;
-    new <T>(values?: T[]): Set<T>;
+    new <T>(values?: ReadonlyArray<T>): Set<T>;
     readonly prototype: Set<any>;
 }
 declare var Set: SetConstructor;
@@ -78,15 +78,15 @@ interface ReadonlySet<T> {
     readonly size: number;
 }
 
-interface WeakSet<T> {
+interface WeakSet<T extends object> {
     add(value: T): this;
     delete(value: T): boolean;
     has(value: T): boolean;
 }
 
 interface WeakSetConstructor {
     new (): WeakSet<object>;
-    new <T extends object>(values?: T[]): WeakSet<T>;
+    new <T extends object>(values?: ReadonlyArray<T>): WeakSet<T>;
     readonly prototype: WeakSet<object>;
 }
 declare var WeakSet: WeakSetConstructor;

lib/lib.es2015.core.d.ts

@@ -89,7 +89,7 @@ interface ArrayConstructor {
 }
 
 interface DateConstructor {
-    new (value: Date): Date;
+    new (value: number | string | Date): Date;
 }
 
 interface Function {
@@ -138,8 +138,9 @@ interface Math {
     log1p(x: number): number;
 
     /**
-     * Returns the result of (e^x - 1) of x (e raised to the power of x, where e is the base of
-     * the natural logarithms).
+     * Returns the result of (e^x - 1), which is an implementation-dependent approximation to
+     * subtracting 1 from the exponential function of x (e raised to the power of x, where e
+     * is the base of the natural logarithms).
      * @param x A numeric expression.
      */
     expm1(x: number): number;

lib/lib.es2015.generator.d.ts

@@ -69,4 +69,3 @@ interface GeneratorFunctionConstructor {
      */
     readonly prototype: GeneratorFunction;
 }
-declare var GeneratorFunction: GeneratorFunctionConstructor;

lib/lib.es2015.iterable.d.ts

@@ -72,15 +72,15 @@ interface ArrayConstructor {
      * Creates an array from an iterable object.
      * @param iterable An iterable object to convert to an array.
      */
-    from<T>(iterable: Iterable<T>): T[];
+    from<T>(iterable: Iterable<T> | ArrayLike<T>): T[];
 
     /**
      * Creates an array from an iterable object.
      * @param iterable An iterable object to convert to an array.
      * @param mapfn A mapping function to call on every element of the array.
      * @param thisArg Value of 'this' used to invoke the mapfn.
      */
-    from<T, U>(iterable: Iterable<T>, mapfn: (v: T, k: number) => U, thisArg?: any): U[];
+    from<T, U>(iterable: Iterable<T> | ArrayLike<T>, mapfn: (v: T, k: number) => U, thisArg?: any): U[];
 }
 
 interface ReadonlyArray<T> {
@@ -200,7 +200,7 @@ interface SetConstructor {
     new <T>(iterable: Iterable<T>): Set<T>;
 }
 
-interface WeakSet<T> { }
+interface WeakSet<T extends object> { }
 
 interface WeakSetConstructor {
     new <T extends object>(iterable: Iterable<T>): WeakSet<T>;

lib/lib.es2015.symbol.wellknown.d.ts

@@ -138,7 +138,7 @@ interface Set<T> {
     readonly [Symbol.toStringTag]: "Set";
 }
 
-interface WeakSet<T> {
+interface WeakSet<T extends object> {
     readonly [Symbol.toStringTag]: "WeakSet";
 }