完成小节：三斜线指令

Author: xcatliu

basics/declaration-files.md

@@ -1,4 +1,4 @@
-declare const jQuery: (selector: string) => any;
+// src/index.ts
 
 jQuery('#foo');
 // 使用 declare const 定义的 jQuery 类型，禁止修改这个全局变量

examples/declaration-files/04-declare-const-jquery/src/index.ts

@@ -0,0 +1,3 @@
+// src/jQuery.d.ts
+
+declare const jQuery: (selector: string) => any;

examples/declaration-files/04-declare-const-jquery/src/jQuery.d.ts

@@ -1,5 +1,4 @@
-declare function jQuery(selector: string): any;
-declare function jQuery(domReadyCallback: () => any): any;
+// src/index.ts
 
 jQuery('#foo');
 jQuery(function() {

examples/declaration-files/05-declare-jquery-value/src/index.ts renamed to examples/declaration-files/05-declare-jquery-value/src/jQuery.d.ts

@@ -0,0 +1,4 @@
+// src/jQuery.d.ts
+
+declare function jQuery(selector: string): any;
+declare function jQuery(domReadyCallback: () => any): any;

examples/declaration-files/06-declare-function/src/index.ts

@@ -0,0 +1,7 @@
+// src/Animal.d.ts
+
+declare class Animal {
+    name: string;
+    constructor(name: string);
+    sayHi(): string;
+}

examples/declaration-files/06-declare-function/src/jQuery.d.ts

@@ -1,8 +1,3 @@
-declare class Animal {
-    name: string;
-    constructor(name: string);
-    sayHi() {
-        return `My name is ${this.name}`;
-    }
-    // ERROR: An implementation cannot be declared in ambient contexts.
-}
+// src/index.ts
+
+let cat = new Animal('Tom');

examples/declaration-files/07-declare-class/src/Animal.d.ts

@@ -0,0 +1,8 @@
+// src/Directions.d.ts
+
+declare enum Directions {
+    Up,
+    Down,
+    Left,
+    Right
+}

examples/declaration-files/07-declare-class/src/index.ts

@@ -1,8 +1,3 @@
-declare enum Directions {
-    Up,
-    Down,
-    Left,
-    Right
-}
+// src/index.ts
 
 let directions = [Directions.Up, Directions.Down, Directions.Left, Directions.Right];