Merge pull request #10917 from Salasar/Fix10843

Fix 10843: Change Array.prototype.findIndex method definition according to ES6 spec

Author: mhegazy

src/lib/es2015.core.d.ts

@@ -21,7 +21,7 @@ interface Array<T> {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: T) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): number;
 
     /**
       * Returns the this object after filling the section identified by start and end with value
@@ -368,7 +368,7 @@ interface ReadonlyArray<T> {
     * @param thisArg If provided, it will be used as the this value for each invocation of
     * predicate. If it is not provided, undefined is used instead.
     */
-  findIndex(predicate: (value: T) => boolean, thisArg?: any): number;
+  findIndex(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): number;
 }
 
 interface RegExp {

src/lib/es5.d.ts

@@ -1576,7 +1576,7 @@ interface Int8Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -1849,7 +1849,7 @@ interface Uint8Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -2123,7 +2123,7 @@ interface Uint8ClampedArray {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -2396,7 +2396,7 @@ interface Int16Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -2670,7 +2670,7 @@ interface Uint16Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -2943,7 +2943,7 @@ interface Int32Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -3216,7 +3216,7 @@ interface Uint32Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -3489,7 +3489,7 @@ interface Float32Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.
@@ -3763,7 +3763,7 @@ interface Float64Array {
       * @param thisArg If provided, it will be used as the this value for each invocation of
       * predicate. If it is not provided, undefined is used instead.
       */
-    findIndex(predicate: (value: number) => boolean, thisArg?: any): number;
+    findIndex(predicate: (value: number, index: number, obj: Array<number>) => boolean, thisArg?: any): number;
 
     /**
       * Performs the specified action for each element in an array.