feat: add config for typescript

package.json

@@ -20,14 +20,16 @@
     "backend.js",
     "base.js",
     "frontend.js",
-    "meteor.js"
+    "meteor.js",
+    "typescript.js"
   ],
   "main": "base.js",
   "keywords": [
     "eslint",
     "eslintconfig"
   ],
   "dependencies": {
+    "@typescript-eslint/eslint-plugin": "1.5.0",
     "babel-eslint": "10.0.1",
     "eslint-config-prettier": "4.1.0",
     "eslint-plugin-babel": "5.3.0",

typescript.js

@@ -0,0 +1,25 @@
+const paddingLineBetweenStatements = require('./rules/padding-line-between-statements');
+
+module.exports = {
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'eslint:recommended',
+    'prettier',
+    'prettier/@typescript-eslint'
+  ],
+  plugins: ['@typescript-eslint', 'prettier'],
+  env: {
+    node: true,
+    jest: true,
+    es6: true
+  },
+  parserOptions: {
+    ecmaVersion: 2018,
+    sourceType: 'module'
+  },
+  rules: {
+    'prettier/prettier': 'error',
+    'padding-line-between-statements': paddingLineBetweenStatements,
+    '@typescript-eslint/no-use-before-define': 0
+  }
+};