Closes #351. Update TypeScript beautification tests

examples/simple-jsbeautifyrc/typescript/expected/test2.ts

@@ -0,0 +1,56 @@
+module XYZ {
+  interface I {
+		x: number,
+   y,
+	z
+}
+
+var zZz={
+	a: 123,
+	b: 456
+};
+
+enum En {
+	AB,
+	CD
+}
+
+var y=3;
+
+switch(y {
+	case X:
+		console.log("x");
+		break;
+	default:
+		console.log("y");
+}
+
+if(x===3) {
+	if(y===4) {
+		console.log("hey");
+	}
+	console.log("x");
+	x=y.hey
+	.b
+	.c
+	.d;
+
+
+	export class X {
+		private x: number;
+
+		constructor() {
+			console.log("hi");
+		}
+
+		public mem() {
+			console.log("yes");
+		}
+	}
+
+	function xyz() {
+		function mem() {
+			console.log("yes");
+		}
+	}
+}

examples/simple-jsbeautifyrc/typescript/original/test2.ts

@@ -0,0 +1,56 @@
+module XYZ {
+  interface I {
+   x: number,
+   y,
+   z
+  }
+
+    var zZz={
+        a: 123,
+        b: 456
+    };
+
+    enum En {
+        AB,
+        CD
+    }
+
+    var y = 3;
+
+    switch(y {
+        case X:
+            console.log("x");
+            break;
+        default:
+            console.log("y");
+    }
+
+    if (x === 3) {
+        if (y === 4) {
+            console.log("hey");
+        }
+        console.log("x");
+        x = y.hey
+              .b
+              .c
+              .d;
+
+
+    export class X {
+        private x : number;
+
+        constructor() {
+            console.log("hi");
+        }
+
+        public mem() {
+            console.log("yes");
+        }
+    }
+
+    function xyz() {
+        function mem() {
+            console.log("yes");
+        }
+    }
+}

src/beautifiers/typescript-formatter.coffee

@@ -8,15 +8,21 @@ module.exports = class TypeScriptFormatter extends Beautifier
     }
 
     beautify: (text, language, options) ->
-        return new @Promise((resolve, reject) ->
+        return new @Promise((resolve, reject) =>
 
             format = require("typescript-formatter/lib/formatter")
 
             opts = {}
-            opts.TabSize = options.tab_width
+            opts.TabSize = options.tab_width or options.indent_size
             opts.IndentSize = options.indent_size
-
+            opts.IndentStyle = 'space'
+            opts.convertTabsToSpaces = true
+            @verbose('typescript', text, opts)
+            try
                 result = format(text, opts)
+                @verbose(result)
                 resolve result
+            catch e
+                return reject(e)
 
         )