add the Integer library

Author: milaGGL

packages/webchannel-wrapper/src/index.d.ts

@@ -143,3 +143,18 @@ export class Md5 {
   digest(): Array<number>;
   update(bytes: Array<number> | Uint8Array | string, opt_length?: number): void;
 }
+
+// See https://google.github.io/closure-library/api/goog.math.Integer.html
+// Unit test are written in
+// packages/firestore/test/unit/core/webchannel_wrapper.test.ts
+export class Integer {
+  constructor(bits: Array<number>, sign: number);
+  add(other: Integer): Integer;
+  multiply(other: Integer): Integer;
+  modulo(other: Integer): Integer;
+  compare(other: Integer): number;
+  toNumber(): number;
+  toString(opt_radix?: number): string;
+  static fromNumber(value: number): Integer;
+  static fromString(str: string, opt_radix?: number): Integer;
+}

packages/webchannel-wrapper/src/index.js

@@ -83,6 +83,16 @@ goog.crypt.Md5.prototype['digest'] = goog.crypt.Md5.prototype.digest;
 goog.crypt.Md5.prototype['reset'] = goog.crypt.Md5.prototype.reset;
 goog.crypt.Md5.prototype['update'] = goog.crypt.Md5.prototype.update;
 
+goog.require('goog.math.Integer');
+goog.math.Integer.prototype['add'] = goog.math.Integer.prototype.add;
+goog.math.Integer.prototype['multiply'] = goog.math.Integer.prototype.multiply;
+goog.math.Integer.prototype['modulo'] = goog.math.Integer.prototype.modulo;
+goog.math.Integer.prototype['compare'] = goog.math.Integer.prototype.compare;
+goog.math.Integer.prototype['toNumber'] = goog.math.Integer.prototype.toNumber;
+goog.math.Integer.prototype['toString'] = goog.math.Integer.prototype.toString;
+goog.math.Integer['fromNumber'] = goog.math.Integer.fromNumber;
+goog.math.Integer['fromString'] = goog.math.Integer.fromString;
+
 module['exports']['createWebChannelTransport'] =
   goog.net.createWebChannelTransport;
 module['exports']['getStatEventTarget'] =
@@ -95,3 +105,4 @@ module['exports']['FetchXmlHttpFactory'] = goog.net.FetchXmlHttpFactory;
 module['exports']['WebChannel'] = goog.net.WebChannel;
 module['exports']['XhrIo'] = goog.net.XhrIo;
 module['exports']['Md5'] = goog.crypt.Md5;
+module['exports']['Integer'] = goog.math.Integer;