feat: add eslint

Author: kevin

.eslintignore

@@ -0,0 +1,17 @@
+module.exports = {
+  root: true,
+  parserOptions: {
+    ecmaVersion: 12,
+    parser: "@babel/eslint-parser",
+    requireConfigFile: false,
+    sourceType: "module",
+  },
+  env: {
+    browser: true,
+    node: true,
+    es6: true,
+    "vue/setup-compiler-macros": true, // 新增
+  },
+  extends: ["plugin:vue/vue3-essential", "eslint:recommended"],
+  rules: {},
+};

.eslintrc.js

@@ -1,3 +1,63 @@
+### 创建工程
+
+```
+npm install eslint eslint-plugin-vue @babel/core @babel/eslint-parser -D
+```
+
+创建 `.eslintrc.js`
+
+```
+module.exports = {
+  root: true,
+  parserOptions: {
+    ecmaVersion: 12,
+    parser: "@babel/eslint-parser",
+    requireConfigFile: false,
+    sourceType: "module",
+  },
+  env: {
+    browser: true,
+    node: true,
+    es6: true,
+  },
+  extends: [
+    "plugin:vue/vue3-essential",
+    "eslint:recommended",
+  ],
+  rules: {},
+};
+```
+
+创建 `.eslintignore`
+
+```
+/dist/
+/node_modules/
+```
+
+添加 `lint`
+
+```
+"lint": "eslint --ext .vue,.js,.ts,.jsx,.tsx --fix src"
+```
+
+vue3的setup语法糖还是有错误
+
+```
+error  'defineProps' is not defined  no-undef
+```
+
+修复此问题，在`.eslintrc.js`中添加
+
+```
+env: {
+    browser: true,
+    node: true,
+    es6: true,
+    'vue/setup-compiler-macros': true // 新增
+  },
+```
+
 ### eslint
 
 ### prettier