revert: build: switch to typescript's es2015 typings (#28134)

This reverts commit dde7e2f253.

modules/es6-subset.d.ts

@@ -0,0 +1,65 @@
+
+/**
+ * Subset of lib.es2015.core.d.ts typings.
+ * Angular should not require use of ES6 runtime but some API usages are already present.
+ * See https://github.com/angular/angular/issues/5242
+ * TODO(alexeagle): remove methods below which may not be present in targeted browser
+ */
+
+interface String {
+  /**
+   * Returns true if the sequence of elements of searchString converted to a String is the
+   * same as the corresponding elements of this object (converted to a String) starting at
+   * position. Otherwise returns false.
+   */
+  startsWith(searchString: string, position?: number): boolean;
+
+  /**
+   * Returns true if the sequence of elements of searchString converted to a String is the
+   * same as the corresponding elements of this object (converted to a String) starting at
+   * endPosition – length(this). Otherwise returns false.
+   */
+  endsWith(searchString: string, endPosition?: number): boolean;
+}
+
+interface Array<T> {
+  /**
+   * Returns the value of the first element in the array where predicate is true, and undefined
+   * otherwise.
+   * @param predicate find calls predicate once for each element of the array, in ascending
+   * order, until it finds one where predicate returns true. If such an element is found, find
+   * immediately returns that element value. Otherwise, find returns undefined.
+   * @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.
+   */
+  find(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): T;
+  /**
+   * Returns the this object after filling the section identified by start and end with value
+   * @param value value to fill array section with
+   * @param start index to start filling the array at. If start is negative, it is treated as
+   * length+start where length is the length of the array.
+   * @param end index to stop filling the array at. If end is negative, it is treated as
+   * length+end.
+   */
+  fill(value: T, start?: number, end?: number): T[];
+}
+
+interface NumberConstructor {
+  /**
+   * Returns true if the value passed is an integer, false otherwise.
+   * @param number A numeric value.
+   */
+  isInteger(number: number): boolean;
+}
+
+// Workaround https://github.com/Microsoft/TypeScript/issues/9193
+interface PromiseConstructor {
+  all<T>(values: (T|PromiseLike<T>)[]): Promise<T[]>;
+}
+
+interface Function {
+  /**
+    * Returns the name of the function. Function names are read-only and can not be changed.
+    */
+  readonly name: string;
+}

modules/types.d.ts

@@ -13,5 +13,5 @@
 /// <reference types="jasminewd2" />
 /// <reference types="node" />
 /// <reference types="zone.js" />
-/// <reference lib="es2015" />
+/// <reference path="./es6-subset.d.ts" />
 /// <reference path="./system.d.ts" />

packages/es6-subset.d.ts

@@ -0,0 +1,65 @@
+
+/**
+ * Subset of lib.es2015.core.d.ts typings.
+ * Angular should not require use of ES6 runtime but some API usages are already present.
+ * See https://github.com/angular/angular/issues/5242
+ * TODO(alexeagle): remove methods below which may not be present in targeted browser
+ */
+
+interface String {
+  /**
+   * Returns true if the sequence of elements of searchString converted to a String is the
+   * same as the corresponding elements of this object (converted to a String) starting at
+   * position. Otherwise returns false.
+   */
+  startsWith(searchString: string, position?: number): boolean;
+
+  /**
+   * Returns true if the sequence of elements of searchString converted to a String is the
+   * same as the corresponding elements of this object (converted to a String) starting at
+   * endPosition – length(this). Otherwise returns false.
+   */
+  endsWith(searchString: string, endPosition?: number): boolean;
+}
+
+interface Array<T> {
+  /**
+   * Returns the value of the first element in the array where predicate is true, and undefined
+   * otherwise.
+   * @param predicate find calls predicate once for each element of the array, in ascending
+   * order, until it finds one where predicate returns true. If such an element is found, find
+   * immediately returns that element value. Otherwise, find returns undefined.
+   * @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.
+   */
+  find(predicate: (value: T, index: number, obj: Array<T>) => boolean, thisArg?: any): T|undefined;
+  /**
+   * Returns the this object after filling the section identified by start and end with value
+   * @param value value to fill array section with
+   * @param start index to start filling the array at. If start is negative, it is treated as
+   * length+start where length is the length of the array.
+   * @param end index to stop filling the array at. If end is negative, it is treated as
+   * length+end.
+   */
+  fill(value: T, start?: number, end?: number): T[];
+}
+
+interface NumberConstructor {
+  /**
+   * Returns true if the value passed is an integer, false otherwise.
+   * @param number A numeric value.
+   */
+  isInteger(number: number): boolean;
+}
+
+// Workaround https://github.com/Microsoft/TypeScript/issues/9193
+interface PromiseConstructor {
+  all<T>(values: (T|PromiseLike<T>)[]): Promise<T[]>;
+}
+
+interface Function {
+  /**
+   * Returns the name of the function. Function names are read-only and can not be changed.
+   */
+  readonly name: string;
+}

packages/types.d.ts

@@ -10,7 +10,7 @@
 
 /// <reference types="hammerjs" />
 /// <reference types="zone.js" />
-/// <reference lib="es2015" />
+/// <reference path="./es6-subset.d.ts" />
 /// <reference path="./goog.d.ts" />
 /// <reference path="./system.d.ts" />