vue+ESLint 配置保存 自动格式化代码

1. 在.eslintrc.js 添加 vscode 终端启动服务

// 添加⾃定义规则 'prettier/prettier': [ // eslint校验不成功后，error或2则报错，warn或1则警告，off或0则⽆提示 'error', { singleQuote: true, semi: false, //结束是否加分号 printWidth: 160//每行最长字符 } ]

2.打开VS code 文件》首选项》设置》扩展》ESLint》

// eslint格式化字符串 "editor.codeActionsOnSave": { "source.fixAll.eslint": true },

如果编译 发现以下错误

warning delete ·· (prettier/prettier) “error Delete ⏎ prettier/prettier” in .vue files

解决

在vuejs项目中，运行如下命令解决：

npm run lint – --fix

如果还是没行，就要在 vue.config.js 添加

// vue.config.js

// 旧 data: @import "~@/assets/scss/variables.scss"; // 新 prependData: @import ~@/assets/scss/variables.scss;

module.exports = { chainWebpack: config => { config.module .rule('eslint') .use('eslint-loader') .loader('eslint-loader') .tap(options => { options.fix = true return options }) } }

ERROR Failed to compile with 1 errors 1:06:43 error in ./src/App.vue?vue&type=style&index=0&lang=scss& Module build failed (from ./node_modules/sass-loader/dist/cjs.js): ValidationError: Invalid options object. Sass Loader has been initialized using an options object that does not match the API schema. - options has an unknown property 'prependdata'. These properties are valid: object { implementation?, sassOptions?, prependData?, sourceMap?, webpackImporter? } at validate (E:\VUE\ElementUI\myProject\vue-manage\node_modules\schema-utils\dist\validate.js:85:11) at Object.loader (E:\VUE\ElementUI\myProject\vue-manage\node_modules\sass-loader\dist\index.js:36:28) @ ./node_modules/vue-style-loader??ref--8-oneOf-1-0!./node_modules/css-loader/dist/cjs.js??ref--8-oneOf-1-1!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src??ref--8-oneOf-1-2!./node_modules/sass-loader/dist/cjs.js??ref--8-oneOf-1-3!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/App.vue?vue&type=style&index=0&lang=scss& 4:14-416 14:3-18:5 15:22-424 @ ./src/App.vue?vue&type=style&index=0&lang=scss& @ ./src/App.vue @ ./src/main.js @ multi (webpack)-dev-server/client?:3333/sockjs-node (webpack)/hot/dev-server.js ./src/main.js

css laoder没安装安装

npm install sass-loader --save-dev npm install node-sass --save-dev npm install css-loader style-loader --save-dev

总结

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