diff --git a/Makefile b/Makefile
index 1616ff7..2c601bc 100644
--- a/Makefile
+++ b/Makefile
@@ -75,7 +75,7 @@ test:
 	if [ $$(go fmt $$(go list ./...) | wc -l) -gt 0 ]; then echo "go fmt error"; exit 1; fi
 	cd js && npx tsfmt -r --verify
 
-.PHONY: fmt
+.PHONY: tsfmt
 tsfmt:
 	cd js && npx tsfmt -r
 
diff --git a/js/dist/main.d.ts b/js/dist/main.d.ts
index cb0ff5c..2234b9c 100644
--- a/js/dist/main.d.ts
+++ b/js/dist/main.d.ts
@@ -1 +1 @@
-export {};
+export { };
diff --git a/js/src/hterm.ts b/js/src/hterm.ts
index 0bdec30..cc68f51 100644
--- a/js/src/hterm.ts
+++ b/js/src/hterm.ts
@@ -52,11 +52,11 @@ export class Hterm {
     };
 
     setPreferences(value: object) {
-      Object.keys(value).forEach((key) => {
-        if (key != "enable-webgl") {
-          this.term.getPrefs().set(key, value[key]);
-        }
-      });
+        Object.keys(value).forEach((key) => {
+            if (key != "enable-webgl") {
+                this.term.getPrefs().set(key, value[key]);
+            }
+        });
     };
 
     onInput(callback: (input: string) => void) {
@@ -77,9 +77,9 @@ export class Hterm {
     };
 
     deactivate(): void {
-        this.io.onVTKeystroke    = function(){};
-        this.io.sendString       = function(){};
-        this.io.onTerminalResize = function(){};
+        this.io.onVTKeystroke = function() { };
+        this.io.sendString = function() { };
+        this.io.onTerminalResize = function() { };
         this.term.uninstallKeyboard();
     }
 
diff --git a/js/src/xterm.ts b/js/src/xterm.ts
index 9158994..60527f6 100644
--- a/js/src/xterm.ts
+++ b/js/src/xterm.ts
@@ -1,9 +1,8 @@
-import {lib} from "libapps";
-
-import {IDisposable, Terminal} from 'xterm';
-import {FitAddon} from "xterm-addon-fit";
-import {WebglAddon} from "xterm-addon-webgl";
+import { lib } from "libapps";
 
+import { IDisposable, Terminal } from "xterm";
+import { FitAddon } from "xterm-addon-fit";
+import { WebglAddon } from "xterm-addon-webgl";
 
 export class Xterm {
     elem: HTMLElement;
@@ -15,13 +14,13 @@ export class Xterm {
     messageTimeout: number;
     messageTimer: NodeJS.Timer;
 
-	fitAddon: FitAddon;
-	disposables: IDisposable[] = [];
+    fitAddon: FitAddon;
+    disposables: IDisposable[] = [];
 
 
     constructor(elem: HTMLElement) {
         this.elem = elem;
-		        const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].indexOf(navigator.platform) >= 0;
+        const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].indexOf(navigator.platform) >= 0;
         this.term = new Terminal({
             cursorStyle: "block",
             cursorBlink: true,
@@ -30,20 +29,20 @@ export class Xterm {
             fontSize: 12,
         });
 
-		this.fitAddon = new FitAddon();
-		this.term.loadAddon(this.fitAddon);
+        this.fitAddon = new FitAddon();
+        this.term.loadAddon(this.fitAddon);
 
         this.message = elem.ownerDocument.createElement("div");
         this.message.className = "xterm-overlay";
         this.messageTimeout = 2000;
 
         this.resizeListener = () => {
-			this.fitAddon.fit();
+            this.fitAddon.fit();
             this.term.scrollToBottom();
             this.showMessage(String(this.term.cols) + "x" + String(this.term.rows), this.messageTimeout);
         };
 
-		this.term.open(elem);
+        this.term.open(elem);
 
         this.term.focus()
         this.resizeListener();
@@ -85,28 +84,28 @@ export class Xterm {
     };
 
     setPreferences(value: object) {
-      Object.keys(value).forEach((key) => {
-        if (key && key == "enable-webgl") {
-          this.term.loadAddon(new WebglAddon());
-        }
-      });
+        Object.keys(value).forEach((key) => {
+            if (key && key == "enable-webgl") {
+                this.term.loadAddon(new WebglAddon());
+            }
+        });
     };
 
     onInput(callback: (input: string) => void) {
-		this.disposables.push(this.term.onData((data) => {
-			callback(data);
-		}));
+        this.disposables.push(this.term.onData((data) => {
+            callback(data);
+        }));
 
     };
 
     onResize(callback: (colmuns: number, rows: number) => void) {
-		this.disposables.push(this.term.onResize((data) => {
-			callback(data.cols, data.rows);
-		}));
+        this.disposables.push(this.term.onResize((data) => {
+            callback(data.cols, data.rows);
+        }));
     };
 
     deactivate(): void {
-		this.disposables.forEach(d => d.dispose())
+        this.disposables.forEach(d => d.dispose())
         this.term.blur();
     }
 
@@ -117,6 +116,6 @@ export class Xterm {
 
     close(): void {
         window.removeEventListener("resize", this.resizeListener);
-		this.term.dispose();
+        this.term.dispose();
     }
 }
diff --git a/js/tsconfig.json b/js/tsconfig.json
index 58346f0..18ea6a2 100644
--- a/js/tsconfig.json
+++ b/js/tsconfig.json
@@ -1,20 +1,21 @@
 {
   "compilerOptions": {
-      "strictNullChecks": true,
-      "noUnusedLocals" : true,
-      "noImplicitThis": true,
-      "alwaysStrict": true,
-      "outDir": "./dist/",
-      "declaration": true,
-      "sourceMap": true,
-      "target": "es5",
-      "module": "commonJS",
-      "baseUrl": ".",
-      "paths": {
-          "*": ["./typings/*"]
-      }
+    "newLine": "LF",
+    "strictNullChecks": true,
+    "noUnusedLocals" : true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "outDir": "./dist/",
+    "declaration": true,
+    "sourceMap": true,
+    "target": "es5",
+    "module": "commonJS",
+    "baseUrl": ".",
+    "paths": {
+      "*": ["./typings/*"]
+    }
   },
-    "exclude": [
-      "node_modules"
+  "exclude": [
+    "node_modules"
     ]
 }
diff --git a/js/typings/libapps/index.d.ts b/js/typings/libapps/index.d.ts
index 81eb66d..d0d6c8f 100644
--- a/js/typings/libapps/index.d.ts
+++ b/js/typings/libapps/index.d.ts
@@ -37,7 +37,7 @@ export declare namespace lib {
     }
 
     export interface Memory {
-        new (): Storage;
+        new(): Storage;
         Memory(): Storage
     }
 
diff --git a/utils/flags.go b/utils/flags.go
index 36b4cd7..4b7b305 100644
--- a/utils/flags.go
+++ b/utils/flags.go
@@ -7,8 +7,8 @@ import (
 	"reflect"
 	"strings"
 
-	"github.com/urfave/cli"
 	"github.com/fatih/structs"
+	"github.com/urfave/cli"
 	"github.com/yudai/hcl"
 
 	"github.com/ghthor/gotty/v2/pkg/homedir"