Reformat and lint fix

Author: 4ver

.babelrc

@@ -1,3 +1,3 @@
 {
-    "presets": [ "@babel/preset-env" ]
+  "presets": [ "@babel/preset-env" ]
 }

.editorconfig

@@ -6,18 +6,7 @@ root = true
 [*]
 charset = "utf-8"
 indent_style = space
-indent_size = 4
+indent_size = 2
 end_of_line = lf
 trim_trailing_whitespace = true
 insert_final_newline = true
-
-[{package.json,package-lock.json}]
-indent_size = 2
-
-[*.js]
-indent_style = space
-indent_size = 4
-
-[*.json]
-indent_style = space
-indent_size = 4

.eslintrc.json

@@ -1,29 +1,48 @@
 {
-    "extends": "airbnb-base",
-    "env": {
-        "browser": true,
-        "mocha": true
-    },
-    "parser": "@babel/eslint-parser",
-    "parserOptions": {
-        "requireConfigFile": false,
-        "sourceType": "module"
-    },
-    "rules": {
-        "brace-style": "warn",
-        "class-methods-use-this": 0,
-        "comma-dangle": ["warn", "only-multiline"],
-        "indent": ["warn", 4, { "SwitchCase": 1 }],
-        "lines-between-class-members": "off",
-        "linebreak-style": "off",
-        "max-len": ["warn", 128],
-        "no-promise-executor-return": "warn",
-        "no-var": "error",
-        "no-useless-constructor": "off",
-        "object-curly-newline": "warn",
-        "object-curly-spacing": "warn",
-        "prefer-arrow-callback": "off",
-        "prefer-const": "warn",
-        "prefer-destructuring": "off"
-    }
+  "extends": "airbnb-base",
+  "env": {
+    "browser": true,
+    "mocha": true
+  },
+  "parser": "@babel/eslint-parser",
+  "parserOptions": {
+    "requireConfigFile": false,
+    "sourceType": "module"
+  },
+  "rules": {
+    "brace-style": "warn",
+    "class-methods-use-this": 0,
+    "comma-dangle": [
+      "warn",
+      "only-multiline"
+    ],
+    "indent": [
+      "warn",
+      2,
+      {
+        "SwitchCase": 1
+      }
+    ],
+    "lines-between-class-members": "off",
+    "linebreak-style": "off",
+    "max-len": [
+      "warn",
+      128
+    ],
+    "no-promise-executor-return": "warn",
+    "no-var": "error",
+    "no-useless-constructor": "off",
+    "object-curly-newline": "warn",
+    "object-curly-spacing": "warn",
+    "prefer-arrow-callback": "off",
+    "prefer-const": "warn",
+    "prefer-destructuring": "off",
+    "import/extensions": [
+      "error",
+      "ignorePackages",
+      {
+        "js": "always"
+      }
+   ]
+  }
 }