Several Improvements

build/replacement.ts

@@ -5,7 +5,9 @@ export const replacement = new Map([
       "eval",
       "ObjectConstructor",
       "CallableFunction",
+      "NewableFunction",
       "IArguments",
+      "String",
       "JSON",
       "ArrayConstructor",
       "ReadonlyArray",
@@ -45,6 +47,7 @@ export const replacement = new Map([
   ["es2015.promise.d.ts", new Set(["PromiseConstructor"])],
   ["es2015.proxy.d.ts", new Set(["ProxyHandler"])],
   ["es2015.reflect.d.ts", new Set(["Reflect"])],
+  ["es2015.symbol.wellknown.d.ts", new Set(["Array", "RegExp", "String"])],
   ["es2017.object.d.ts", new Set(["ObjectConstructor"])],
   ["es2018.asyncgenerator.d.ts", new Set(["AsyncGenerator"])],
   ["es2018.asynciterable.d.ts", new Set(["AsyncIterator"])],

docs/diff.md

@@ -10,6 +10,7 @@ The following files are improved in better-typescript-lib:
 - [es2015.promise.d.ts](./diff/es2015.promise.d.ts.md)
 - [es2015.proxy.d.ts](./diff/es2015.proxy.d.ts.md)
 - [es2015.reflect.d.ts](./diff/es2015.reflect.d.ts.md)
+- [es2015.symbol.wellknown.d.ts](./diff/es2015.symbol.wellknown.d.ts.md)
 - [es2017.object.d.ts](./diff/es2017.object.d.ts.md)
 - [es2018.asyncgenerator.d.ts](./diff/es2018.asyncgenerator.d.ts.md)
 - [es2018.asynciterable.d.ts](./diff/es2018.asynciterable.d.ts.md)

docs/diff/es2015.collection.d.ts.md

@@ -5,14 +5,16 @@ Index: es2015.collection.d.ts
 ===================================================================
 --- es2015.collection.d.ts
 +++ es2015.collection.d.ts
-@@ -1,28 +1,28 @@
+@@ -1,28 +1,30 @@
++/// <reference no-default-lib="true"/>
++
  interface Map<K, V> {
    clear(): void;
    delete(key: K): boolean;
 -  forEach(
 -    callbackfn: (value: V, key: K, map: Map<K, V>) => void,
 -    thisArg?: any
-+  forEach<This>(
++  forEach<This = undefined>(
 +    callbackfn: (this: This, value: V, key: K, map: Map<K, V>) => void,
 +    thisArg?: This
    ): void;
@@ -36,14 +38,14 @@ Index: es2015.collection.d.ts
 -  forEach(
 -    callbackfn: (value: V, key: K, map: ReadonlyMap<K, V>) => void,
 -    thisArg?: any
-+  forEach<This>(
++  forEach<This = undefined>(
 +    callbackfn: (this: This, value: V, key: K, map: ReadonlyMap<K, V>) => void,
 +    thisArg?: This
    ): void;
    get(key: K): V | undefined;
    has(key: K): boolean;
    readonly size: number;
-@@ -33,39 +33,39 @@
+@@ -33,39 +35,39 @@
    get(key: K): V | undefined;
    has(key: K): boolean;
    set(key: K, value: V): this;
@@ -52,8 +54,9 @@ Index: es2015.collection.d.ts
 
  interface WeakMapConstructor {
 -  new <K extends object = object, V = any>(
-+  new <K extends object = object, V = unknown>(
-     entries?: readonly [K, V][] | null
+-    entries?: readonly [K, V][] | null
++  new <K extends object, V>(
++    entries?: readonly (readonly [K, V])[] | null
    ): WeakMap<K, V>;
 -  readonly prototype: WeakMap<object, any>;
 +  readonly prototype: WeakMap<object, unknown>;
@@ -67,7 +70,7 @@ Index: es2015.collection.d.ts
 -  forEach(
 -    callbackfn: (value: T, value2: T, set: Set<T>) => void,
 -    thisArg?: any
-+  forEach<This>(
++  forEach<This = undefined>(
 +    callbackfn: (this: This, value: T, value2: T, set: Set<T>) => void,
 +    thisArg?: This
    ): void;
@@ -88,7 +91,7 @@ Index: es2015.collection.d.ts
 -  forEach(
 -    callbackfn: (value: T, value2: T, set: ReadonlySet<T>) => void,
 -    thisArg?: any
-+  forEach<This>(
++  forEach<This = undefined>(
 +    callbackfn: (this: This, value: T, value2: T, set: ReadonlySet<T>) => void,
 +    thisArg?: This
    ): void;

docs/diff/es2015.core.d.ts.md

@@ -5,17 +5,18 @@ Index: es2015.core.d.ts
 ===================================================================
 --- es2015.core.d.ts
 +++ es2015.core.d.ts
-@@ -201,9 +201,8 @@
+@@ -200,9 +200,9 @@
+    * Returns an implementation-dependent approximation to the cube root of number.
     * @param x A numeric expression.
     */
    cbrt(x: number): number;
- }
--
+-}
++} /// <reference no-default-lib="true"/>
+
  interface NumberConstructor {
    /**
     * The value of Number.EPSILON is the difference between 1 and the smallest value greater than 1
-    * that is representable as a Number value, which is approximately:
-@@ -216,29 +215,29 @@
+@@ -216,29 +216,29 @@
     * Unlike the global isFinite, Number.isFinite doesn't forcibly convert the parameter to a
     * number. Only finite values of the type number, result in true.
     * @param number A numeric value.
@@ -49,18 +50,7 @@ Index: es2015.core.d.ts
    /**
     * The value of the largest integer n such that n and n + 1 are both exactly representable as
     * a Number value.
-@@ -261,9 +260,9 @@
-
-   /**
-    * Converts A string to an integer.
-    * @param string A string to convert into a number.
--   * @param radix A value between 2 and 36 that specifies the base of the number in `string`.
-+   * @param radix A value between 2 and 36 that specifies the base of the number in numString.
-    * If this argument is not supplied, strings with a prefix of '0x' are considered hexadecimal.
-    * All other strings are considered decimal.
-    */
-   parseInt(string: string, radix?: number): number;
-@@ -273,45 +272,16 @@
+@@ -273,45 +273,16 @@
    /**
     * Copy the values of all of the enumerable own properties from one or more source objects to a
     * target object. Returns the target object.
@@ -95,7 +85,7 @@ Index: es2015.core.d.ts
 -    source3: W
 -  ): T & U & V & W;
 +    ...sources: Ts
-+  ): UnionToIntersection<T | Ts[number]>;
++  ): First<UnionToIntersection<[T] | { [K in keyof Ts]: [Ts[K]] }[number]>>;
 
    /**
 -   * Copy the values of all of the enumerable own properties from one or more source objects to a
@@ -110,18 +100,33 @@ Index: es2015.core.d.ts
     * @param o Object to retrieve the symbols from.
     */
    getOwnPropertySymbols(o: any): symbol[];
-@@ -333,9 +303,9 @@
+@@ -326,16 +297,23 @@
+    * Returns true if the values are the same value, false otherwise.
+    * @param value1 The first value.
+    * @param value2 The second value.
+    */
+-  is(value1: any, value2: any): boolean;
++  is<T>(value1: T, value2: T): boolean;
+
+   /**
     * Sets the prototype of a specified object o to object proto or null. Returns the object o.
     * @param o The object to change its prototype.
     * @param proto The value of the new prototype or null.
     */
 -  setPrototypeOf(o: any, proto: object | null): any;
-+  setPrototypeOf<T>(o: T, proto: object | null): T;
++  setPrototypeOf<T extends object, U extends object>(o: T, proto: U): T & U;
++
++  /**
++   * Sets the prototype of a specified object o to object proto or null. Returns the object o.
++   * @param o The object to change its prototype.
++   * @param proto The value of the new prototype or null.
++   */
++  setPrototypeOf<T extends object>(o: T, proto: null): T;
  }
 
  interface ReadonlyArray<T> {
    /**
-@@ -440,19 +410,11 @@
+@@ -440,19 +418,11 @@
     * named by form as specified in Unicode Standard Annex #15, Unicode Normalization Forms.
     * @param form Applicable values: "NFC", "NFD", "NFKC", or "NFKD", If not specified default
     * is "NFC"
@@ -142,7 +147,7 @@ Index: es2015.core.d.ts
     * the empty string is returned.
     * @param count number of copies to append
     */
-@@ -466,33 +428,33 @@
+@@ -466,10 +436,10 @@
    startsWith(searchString: string, position?: number): boolean;
 
    /**
@@ -154,75 +159,16 @@ Index: es2015.core.d.ts
    anchor(name: string): string;
 
    /**
--   * Returns a `<big>` HTML element
-+   *  Returns a `<big>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   big(): string;
-
-   /**
--   * Returns a `<blink>` HTML element
-+   *  Returns a `<blink>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   blink(): string;
-
-   /**
--   * Returns a `<b>` HTML element
-+   *  Returns a `<bold>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   bold(): string;
-
-   /**
--   * Returns a `<tt>` HTML element
-+   *  Returns a `<tt>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   fixed(): string;
-
-@@ -514,9 +476,9 @@
+@@ -514,9 +484,9 @@
     */
    fontsize(size: string): string;
 
    /**
 -   * Returns an `<i>` HTML element
-+   *  Returns a `<i>` HTML element
++   * Returns a `<i>` HTML element
     * @deprecated A legacy feature for browser compatibility
     */
    italics(): string;
 
-@@ -526,27 +488,27 @@
-    */
-   link(url: string): string;
-
-   /**
--   * Returns a `<small>` HTML element
-+   *  Returns a `<small>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   small(): string;
-
-   /**
--   * Returns a `<strike>` HTML element
-+   *  Returns a `<strike>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   strike(): string;
-
-   /**
--   * Returns a `<sub>` HTML element
-+   *  Returns a `<sub>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   sub(): string;
-
-   /**
--   * Returns a `<sup>` HTML element
-+   *  Returns a `<sup>` HTML element
-    * @deprecated A legacy feature for browser compatibility
-    */
-   sup(): string;
- }
 
 ```

docs/diff/es2015.proxy.d.ts.md

@@ -5,24 +5,14 @@ Index: es2015.proxy.d.ts
 ===================================================================
 --- es2015.proxy.d.ts
 +++ es2015.proxy.d.ts
-@@ -1,25 +1,28 @@
+@@ -1,25 +1,27 @@
 +/// <reference no-default-lib="true"/>
 +
  interface ProxyHandler<T extends object> {
 -  apply?(target: T, thisArg: any, argArray: any[]): any;
 -  construct?(target: T, argArray: any[], newTarget: Function): object;
-+  getPrototypeOf?(target: T): object | null;
-+  setPrototypeOf?(target: T, v: unknown): boolean;
-+  isExtensible?(target: T): boolean;
-+  preventExtensions?(target: T): boolean;
-+  getOwnPropertyDescriptor?(
-+    target: T,
-+    p: PropertyKey
-+  ): PropertyDescriptor | undefined;
-+  has?(target: T, p: PropertyKey): boolean;
-+  get?(target: T, p: PropertyKey, receiver: unknown): any;
-+  set?(target: T, p: PropertyKey, value: unknown, receiver: unknown): boolean;
-+  deleteProperty?(target: T, p: PropertyKey): boolean;
++  apply?(target: T, thisArg: unknown, argArray: unknown[]): any;
++  construct?(target: T, argArray: unknown[], newTarget: unknown): object;
    defineProperty?(
      target: T,
 -    p: string | symbol,
@@ -31,21 +21,24 @@ Index: es2015.proxy.d.ts
    ): boolean;
 -  deleteProperty?(target: T, p: string | symbol): boolean;
 -  get?(target: T, p: string | symbol, receiver: any): any;
--  getOwnPropertyDescriptor?(
--    target: T,
++  deleteProperty?(target: T, p: PropertyKey): boolean;
++  get?(target: T, p: PropertyKey, receiver: unknown): any;
+   getOwnPropertyDescriptor?(
+     target: T,
 -    p: string | symbol
--  ): PropertyDescriptor | undefined;
--  getPrototypeOf?(target: T): object | null;
++    p: PropertyKey
+   ): PropertyDescriptor | undefined;
+   getPrototypeOf?(target: T): object | null;
 -  has?(target: T, p: string | symbol): boolean;
--  isExtensible?(target: T): boolean;
++  has?(target: T, p: PropertyKey): boolean;
+   isExtensible?(target: T): boolean;
 -  ownKeys?(target: T): ArrayLike<string | symbol>;
--  preventExtensions?(target: T): boolean;
++  ownKeys?(target: T): PropertyKey[];
+   preventExtensions?(target: T): boolean;
 -  set?(target: T, p: string | symbol, value: any, receiver: any): boolean;
 -  setPrototypeOf?(target: T, v: object | null): boolean;
-+  enumerate?(target: T): PropertyKey[];
-+  ownKeys?(target: T): PropertyKey[];
-+  apply?(target: T, thisArg: unknown, argArray: unknown[]): any;
-+  construct?(target: T, argArray: unknown[], newTarget: unknown): object;
++  set?(target: T, p: PropertyKey, value: unknown, receiver: unknown): boolean;
++  setPrototypeOf?(target: T, v: unknown): boolean;
  }
 
  interface ProxyConstructor {