Merge branch 'master' of https://github.com/Microsoft/TypeScript into remove_resolveLocation

src/lib/core.d.ts

@@ -971,14 +971,14 @@ interface JSON {
       * @param replacer A function that transforms the results.
       * @param space Adds indentation, white space, and line break characters to the return-value JSON text to make it easier to read.
       */
-    stringify(value: any, replacer: (key: string, value: any) => any, space: any): string;
+    stringify(value: any, replacer: (key: string, value: any) => any, space: string | number): string;
     /**
       * Converts a JavaScript value to a JavaScript Object Notation (JSON) string.
       * @param value A JavaScript value, usually an object or array, to be converted.
       * @param replacer Array that transforms the results.
       * @param space Adds indentation, white space, and line break characters to the return-value JSON text to make it easier to read.
       */
-    stringify(value: any, replacer: any[], space: any): string;
+    stringify(value: any, replacer: any[], space: string | number): string;
 }
 /**
   * An intrinsic object that provides functions to convert JavaScript values to and from the JavaScript Object Notation (JSON) format.
@@ -1181,4 +1181,4 @@ interface PromiseLike<T> {
     */
     then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => TResult | PromiseLike<TResult>): PromiseLike<TResult>;
     then<TResult>(onfulfilled?: (value: T) => TResult | PromiseLike<TResult>, onrejected?: (reason: any) => void): PromiseLike<TResult>;
-}
+}

src/lib/es6.d.ts

@@ -377,7 +377,7 @@ interface String {
       * @param searchString search string 
       * @param position If position is undefined, 0 is assumed, so as to search all of the String.
       */
-    contains(searchString: string, position?: number): boolean;
+    includes(searchString: string, position?: number): boolean;
 
     /**
       * Returns true if the sequence of elements of searchString converted to a String is the 

tests/baselines/reference/stringIncludes.js

@@ -0,0 +1,10 @@
+//// [stringIncludes.ts]
+
+var includes: boolean;
+includes = "abcde".includes("cd");
+includes = "abcde".includes("cd", 2);
+
+//// [stringIncludes.js]
+var includes;
+includes = "abcde".includes("cd");
+includes = "abcde".includes("cd", 2);

tests/baselines/reference/stringIncludes.symbols

@@ -0,0 +1,15 @@
+=== tests/cases/compiler/stringIncludes.ts ===
+
+var includes: boolean;
+>includes : Symbol(includes, Decl(stringIncludes.ts, 1, 3))
+
+includes = "abcde".includes("cd");
+>includes : Symbol(includes, Decl(stringIncludes.ts, 1, 3))
+>"abcde".includes : Symbol(String.includes, Decl(lib.d.ts, 1569, 37))
+>includes : Symbol(String.includes, Decl(lib.d.ts, 1569, 37))
+
+includes = "abcde".includes("cd", 2);
+>includes : Symbol(includes, Decl(stringIncludes.ts, 1, 3))
+>"abcde".includes : Symbol(String.includes, Decl(lib.d.ts, 1569, 37))
+>includes : Symbol(String.includes, Decl(lib.d.ts, 1569, 37))
+

tests/baselines/reference/stringIncludes.types

@@ -0,0 +1,24 @@
+=== tests/cases/compiler/stringIncludes.ts ===
+
+var includes: boolean;
+>includes : boolean
+
+includes = "abcde".includes("cd");
+>includes = "abcde".includes("cd") : boolean
+>includes : boolean
+>"abcde".includes("cd") : boolean
+>"abcde".includes : (searchString: string, position?: number) => boolean
+>"abcde" : string
+>includes : (searchString: string, position?: number) => boolean
+>"cd" : string
+
+includes = "abcde".includes("cd", 2);
+>includes = "abcde".includes("cd", 2) : boolean
+>includes : boolean
+>"abcde".includes("cd", 2) : boolean
+>"abcde".includes : (searchString: string, position?: number) => boolean
+>"abcde" : string
+>includes : (searchString: string, position?: number) => boolean
+>"cd" : string
+>2 : number
+

tests/cases/compiler/stringIncludes.ts

@@ -0,0 +1,5 @@
+//@target: ES6
+
+var includes: boolean;
+includes = "abcde".includes("cd");
+includes = "abcde".includes("cd", 2);