Convert to Typescript

Author: Michal Vlasák

.eslintignore

@@ -1 +1,2 @@
 coverage
+dist

.gitignore

@@ -1,4 +1,5 @@
 node_modules
 coverage
-
-.idea/*
+dist
+.idea/*
+.vscode/*

.prettierrc

@@ -2,5 +2,6 @@
   "printWidth": 120,
   "tabWidth": 4,
   "singleQuote": true,
-  "trailingComma": "es5"
+  "trailingComma": "es5",
+  "parser": "typescript"
 }

jest.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+    transform: {
+        '^.+\\.tsx?$': 'ts-jest',
+    },
+    testRegex: '(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$',
+    testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+    moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+    setupTestFrameworkScriptFile: 'jest-expect-message',
+    collectCoverage: true,
+};

package-lock.json

@@ -4,14 +4,18 @@
   "description": "Ackee Node Logger",
   "main": "index.js",
   "scripts": {
+    "build": "tsc",
     "lint-staged": "lint-staged",
-    "test": "jest --coverage",
-    "test-watch": "jest --watch --coverage",
-    "lint": "eslint .",
-    "pretty": "prettier --write '*.js'",
+    "test": "jest",
+    "test-watch": "jest --watch",
+    "lint": "tslint -p . --force --format verbose; exit 0",
+    "pretty": "prettier --write 'src/*.ts'",
     "precommit": "lint-staged && npm test",
     "check": "npm-check -i components -i config -i controllers -i enums -i errors -i middleware -i routes -i repositories -i services -i husky & exit 0"
   },
+  "lint-staged": {
+    "*.js": ["eslint", "git add"]
+  },
   "author": "Michal Vlasák <michal.vlasak@ackee.cz>",
   "license": "ISC",
   "engines": {
@@ -31,6 +35,8 @@
     "pino-multi-stream": "3.1.2"
   },
   "devDependencies": {
+    "@types/jest": "^23.3.5",
+    "@types/node": "^10.12.0",
     "eslint": "^4.18.2",
     "eslint-config-ackee": "^0.8.1",
     "express": "^4.16.3",
@@ -40,11 +46,12 @@
     "jest-expect-message": "^1.0.1",
     "lint-staged": "^7.0.0",
     "npm-check": "^5.5.2",
-    "prettier": "^1.11.0",
+    "prettier": "^1.14.3",
     "split2": "^2.2.0",
-    "supertest": "^3.1.0"
-  },
-  "jest": {
-    "setupTestFrameworkScriptFile": "jest-expect-message"
+    "supertest": "^3.1.0",
+    "ts-jest": "^23.10.4",
+    "tslint": "^5.11.0",
+    "tslint-config-ackee": "^0.2.1",
+    "typescript": "^3.1.3"
   }
 }

package.json

@@ -1,5 +1,5 @@
-const onFinished = require('on-finished');
-const onHeaders = require('on-headers');
+import * as onFinished from 'on-finished';
+import * as onHeaders from 'on-headers';
 
 const expressMiddleware = function(req, response, next) {
     const reqIn = `--- ${req.method} ${req.originalUrl} ${req.headers['user-agent']}`;
@@ -34,7 +34,4 @@ const expressErrorMiddleware = (error, req, res, next) => {
     next(error);
 };
 
-module.exports = {
-    expressMiddleware,
-    expressErrorMiddleware,
-};
+export { expressErrorMiddleware, expressMiddleware };