feat(scripts): add format & format:check using prettier

.huskyrc

@@ -1,6 +1,6 @@
 {
   "hooks": {
-    "pre-commit": "yarn lint",
+    "pre-commit": "yarn format && yarn lint",
     "pre-push": "yarn build"
   }
 }

.prettierignore

@@ -0,0 +1 @@
+dist

.prettierrc

@@ -0,0 +1,5 @@
+{
+  "parser": "typescript",
+  "singleQuote": true,
+  "trailingComma": "all"
+}

package.json

@@ -13,6 +13,8 @@
     "purge": "rm -rf node_modules",
     "clean": "rm -rf dist",
     "dev": "rollup -cw",
+    "format": "prettier --write **/*.ts",
+    "format:check": "prettier --check **/*.ts",
     "lint": "tslint --project tsconfig.json --config tslint.json",
     "prebuild": "yarn clean",
     "build": "rollup -c",
@@ -27,6 +29,8 @@
     "@types/http-status-codes": "^1.2.0",
     "copyfiles": "^2.2.0",
     "husky": "^2.3.0",
+    "prettier": "^2.0.2",
+    "pretty-quick": "^2.0.1",
     "rollup": "^1.12.3",
     "rollup-plugin-async": "^1.2.0",
     "rollup-plugin-commonjs": "^10.0.0",

src/error.ts

@@ -10,8 +10,10 @@ class MyError extends Error {
   constructor(err: any, isOperational = false) {
     super();
 
-    this.name = err instanceof Error || typeof err === 'object' ? err.name : 'Error';
-    this.message = err instanceof Error || typeof err === 'object' ? err.message : err;
+    this.name =
+      err instanceof Error || typeof err === 'object' ? err.name : 'Error';
+    this.message =
+      err instanceof Error || typeof err === 'object' ? err.message : err;
     this.isOperational = isOperational;
 
     // Restore prototype chain
@@ -43,9 +45,7 @@ class HttpError extends MyError {
       message: this.message,
     };
 
-    return !isDev()
-      ? content
-      : { ...content, error: this.stack };
+    return !isDev() ? content : { ...content, error: this.stack };
   }
 }
 

src/express.ts

@@ -1,5 +1,10 @@
 import { Request, Response, NextFunction, Router } from 'express';
-import { NOT_FOUND, OK, INTERNAL_SERVER_ERROR, getStatusText } from 'http-status-codes';
+import {
+  NOT_FOUND,
+  OK,
+  INTERNAL_SERVER_ERROR,
+  getStatusText,
+} from 'http-status-codes';
 
 import { MyError, HttpError } from './error';
 import errorHandler from './errorHandler';
@@ -25,7 +30,12 @@ const handleNotFound = (_: Request, __: Response, next: NextFunction) => {
  * @param res Express Response object
  * @param __ Express Next function
  */
-const handleErrors = (err: MyError | HttpError, _: Request, res: Response, __: NextFunction) => {
+const handleErrors = (
+  err: MyError | HttpError,
+  _: Request,
+  res: Response,
+  __: NextFunction,
+) => {
   errorHandler.handle(err);
 
   try {
@@ -58,10 +68,4 @@ const health = () => {
   return router;
 };
 
-export {
-  handleNotFound,
-  handleErrors,
-  handleHealthCheck,
-
-  health,
-};
+export { handleNotFound, handleErrors, handleHealthCheck, health };

src/index.ts

@@ -4,7 +4,9 @@
  */
 
 const isDev = (): boolean => {
-  return !['test', 'staging', 'production'].includes(process.env.NODE_ENV as string);
+  return !['test', 'staging', 'production'].includes(
+    process.env.NODE_ENV as string,
+  );
 };
 
 const isTest = (): boolean => {