[2017] Update NPM packages (#54)

Author: kfarnung

2017/.eslintrc.json

@@ -0,0 +1,38 @@
+const globals = require('globals');
+const js = require('@eslint/js');
+
+const {
+  FlatCompat,
+} = require('@eslint/eslintrc');
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all
+});
+
+module.exports = [...compat.extends('eslint:recommended'), {
+  languageOptions: {
+    globals: {
+      ...globals.commonjs,
+      ...globals.node,
+    },
+
+    ecmaVersion: 12,
+    sourceType: 'commonjs',
+  },
+
+  rules: {
+    indent: ['error', 2, {
+      SwitchCase: 1,
+    }],
+
+    'linebreak-style': ['error', 'unix'],
+
+    quotes: ['error', 'single', {
+      avoidEscape: true,
+    }],
+
+    semi: ['error', 'always'],
+  },
+}];