style(lang): add missing type annotation js/dart

Author: PatrickJS

modules/facade/src/lang.dart

@@ -53,7 +53,7 @@ class StringWrapper {
  return parts;
  }
 
- static equals(String s, String s2) {
+ static bool equals(String s, String s2) {
  return s == s2;
  }
 
@@ -150,7 +150,7 @@ bool isJsObject(o) {
 }
 
 
-assertionsEnabled() {
+bool assertionsEnabled() {
  try {
  assert(false);
  return false;

modules/facade/src/lang.es6

@@ -44,7 +44,7 @@ export function stringify(token):string {
 }
 
 export class StringWrapper {
- static fromCharCode(code:int) {
+ static fromCharCode(code:int):string {
  return String.fromCharCode(code);
  }
 
@@ -56,11 +56,11 @@ export class StringWrapper {
  return s.split(regExp.multiple);
  }
 
- static equals(s:string, s2:string) {
+ static equals(s:string, s2:string):boolean {
  return s === s2;
  }
 
- static replaceAll(s:string, from:RegExp, replace:string) {
+ static replaceAll(s:string, from:RegExp, replace:string):string {
  return s.replace(from.multiple, replace);
  }
 }
@@ -122,14 +122,14 @@ export class NumberWrapper {
  return parseFloat(text);
  }
 
- static isNaN(value) {
- return isNaN(value);
- }
-
  static get NaN():number {
  return NaN;
  }
 
+ static isNaN(value):boolean {
+ return isNaN(value);
+ }
+
  static isInteger(value):boolean {
  return Number.isInteger(value);
  }
@@ -200,7 +200,7 @@ export function isJsObject(o):boolean {
  return o !== null && (typeof o === "function" || typeof o === "object");
 }
 
-export function assertionsEnabled() {
+export function assertionsEnabled():boolean {
  try {
  var x:int = "string";
  return false;