feat(tsfmt): remove es6-promise from dependencies. tsfmt supports aft…

…er latest LTS of node.js

lib/cli.ts

@@ -1,4 +1,8 @@
-require("es6-promise").polyfill();
+try {
+    // cackward compatibility for node v0.12
+    require("es6-promise").polyfill();
+} catch (e) {
+}
 try {
     require("typescript");
 } catch (e) {

lib/index.ts

@@ -60,7 +60,7 @@ export function processFiles(files: string[], opts: Options): Promise<ResultMap>
         let content = fs.readFileSync(fileName).toString();
         return processString(fileName, content, opts);
     });
-    return Promise.all(promises).then(resultList=> {
+    return Promise.all(promises).then(resultList => {
         resultList.forEach(result => {
             resultMap[result.fileName] = result;
         });

package.json

@@ -24,7 +24,7 @@
     "url": "https://github.com/vvakame/typescript-formatter/issues"
   },
   "engines": {
-    "node": ">= 0.12.0"
+    "node": ">= 4.2.0"
   },
   "directories": {
     "example": "example",
@@ -33,7 +33,6 @@
   "dependencies": {
     "commandpost": "1.0.0",
     "editorconfig": "0.13.2",
-    "es6-promise": "3.0.2",
     "glob-expand": "0.1.0"
   },
   "peerDependencies": {

test/indexSpec.ts

@@ -96,8 +96,8 @@ describe("tsfmt test", () => {
     describe("processFiles function", () => {
         var fileNames = collectFileName(fixtureDir);
         fileNames
-            .filter(fileName=> /\.ts$/.test(fileName))
-            .forEach(fileName=> {
+            .filter(fileName => /\.ts$/.test(fileName))
+            .forEach(fileName => {
                 var ignoreList = [
                     "./test/fixture/editorconfig/space/main.ts", // TypeScript ignore indentSize: 8
                     "./test/fixture/tsfmt/a/main.ts", // TypeScript ignore indentSize: 1
@@ -196,7 +196,7 @@ describe("tsfmt test", () => {
                     editorconfig: true,
                     tsfmt: true
                 })
-                .then(result=> {
+                .then(result => {
                     assert(result !== null);
                     assert(result.error === false);
                     assert(result.dest === "class Sample { getString(): string { return \"hi!\"; } }\r\n");