添加代码检查，并修复代码保存时不自动格式化代码的问题：

参考：microsoft/vscode#108447 (comment)

File -> Preferences -> Settings (for Windows)
Code -> Preferences -> Settings (for Mac)

Search for "Default Formatter". In the dropdown, prettier will show as esbenp.prettier-vscode.

.eslintrc.js

@@ -0,0 +1,10 @@
+module.exports = {
+  "parserOptions": {
+    "ecmaVersion": 7,
+    "sourceType": "module"
+  },
+  rules: {
+    "no-console": "off",
+    "no-debugger": "off",
+  }
+};

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+  "editor.fontSize": 14,
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": true
+  },
+  "editor.defaultFormatter": "esbenp.prettier-vscode"
+}