[gulp] move tasks to gulp-haxetool package

build/prepare.js

@@ -1,18 +1,16 @@
-const AdobeAir = require('../tasks/adobeAir');
-const Haxe = require('../tasks/haxe');
-const FlashPlayer = require('../tasks/flashplayer');
+const ht = require('gulp-haxetool');
 const packageInfo = require('../package.json');
 
 
 const prepareOne = (value) => {
     switch (value) {
-        case Haxe.ID:
-            const haxe = new Haxe();
+        case ht.Haxe.ID:
+            const haxe = new ht.Haxe();
             return haxe.prepare().then(() => haxe.install(packageInfo.haxeDependencies));
-        case AdobeAir.ID:
-            return new AdobeAir().prepare();
-        case FlashPlayer.ID:
-            return new FlashPlayer().prepare();
+        case ht.AdobeAir.ID:
+            return new ht.AdobeAir().prepare();
+        case ht.FlashPlayer.ID:
+            return new ht.FlashPlayer().prepare();
         default:
             throw Error(`Unknown target: ${value}`)
     }
@@ -24,11 +22,11 @@ const prepare = (...targets) => function prepare() {
 };
 
 const update = () => {
-    return new Haxe().upgrade();
+    return new ht.Haxe().upgrade();
 };
 
 const generate = () => function generate() {
-    return new Haxe().haxelib([
+    return new ht.Haxe().haxelib([
         'run', 'protohx', 'generate', 'protohx.json'
     ]);
 };