一,原因
这篇博客写得很清晰:解决VSCode Delete `␍`eslint(prettier/prettier)错误_vscode 删除cr-CSDN博客
还有这篇文章,解决办法很详细:滑动验证页面
二,解决办法
根目录下新建.prettierrc.js文件
- module.exports = {
- trailingComma: "all", // 设置是否末尾添加逗号的字段
- arrowParens: "avoid", //箭头函数参数括号,avoid 能省略括号的时候就省略
- useEditorConfig: false,
- endOfLine: "auto", //避免报错delete (cr)的错
- bracketSameLine: true,
- jsxSingleQuote: true,
- singleQuote: false, // 格式化以单引号为主
- semi: true, // 格式化不加分号
- printWidth: 300,
- };
复制代码 根目录下.eslintrc.js文件(可以不配置)
- module.exports = {
- env: {
- browser: true,
- es6: true,
- node: true,
- },
- extends: [
- "plugin:vue/essential",
- "airbnb-base",
- "plugin:prettier/recommended", //这样写,让pettier的规则,放在eslint规则扩展中,于是会经由eslint报错
- ],
- globals: {
- Atomics: "readonly",
- SharedArrayBuffer: "readonly",
- },
- parserOptions: {
- ecmaVersion: 2018,
- sourceType: "module",
- },
- plugins: ["vue"],
- rules: {
- quotes: [2, "double"], //警告,必须双引号
- "no-compare-neg-zero": 2, //禁止与 -0 进行比较
- "no-cond-assign": [2, "except-parens"], //禁止条件语句中出现赋值操作符
- "no-console": 0, //允许出现console
- "no-constant-condition": 2, //禁止在条件中使用常量表达式
- "no-control-regex": 2, //禁止在正则表达式中使用控制字符
- "no-debugger": 0, //可以使用debugger
- "no-dupe-args": 2, //禁止 function 定义中出现重名参数
- "no-dupe-keys": 2, //禁止对象字面量中出现重复的 key
- "no-duplicate-case": 2, //禁止出现重复的 case 标签
- "no-empty": 2, //禁止出现空语句块
- "no-empty-character-class": 2, //禁止在正则表达式中使用空字符集
- "no-ex-assign": 2, //禁止对 catch 子句的参数重新赋值
- "no-extra-boolean-cast": 2, //禁止不必要的布尔转换
- "no-extra-parens": ["error", "functions"], //禁止不必要的括号
- "no-extra-semi": 2, //禁止不必要的分号
- "no-func-assign": 2, //禁止对 function 声明重新赋值
- "no-inner-declarations": 0, //禁止在嵌套的块中出现变量声明或 function 声明
- "no-invalid-regexp": 2, //禁止 RegExp 构造函数中存在无效的正则表达式字符串
- "no-irregular-whitespace": 2, //禁止不规则的空白
- "no-obj-calls": 2, //禁止把全局对象作为函数调用
- "no-prototype-builtins": 2, //禁止直接调用 Object.prototypes 的内置属性
- "no-regex-spaces": 2, //禁止正则表达式字面量中出现多个空格
- "no-sparse-arrays": 2, //禁用稀疏数组
- "no-template-curly-in-string": 0, //禁止在常规字符串中出现模板字面量占位符语法
- "no-unexpected-multiline": 2, //禁止出现令人困惑的多行表达式
- "no-unreachable": 2, //禁止在 return、throw、continue 和 break 语句之后出现不可达代码
- "no-unsafe-finally": 2, //禁止在 finally 语句块中出现控制流语句
- "no-unsafe-negation": 2, //禁止对关系运算符的左操作数使用否定操作符
- "use-isnan": 2, //要求使用 isNaN() 检查 NaN
- "valid-jsdoc": "off", //
- "valid-typeof": 2, //强制 typeof 表达式与有效的字符串进行比较
- curly: 2, //强制所有控制语句使用一致的括号风格
- "consistent-return": [
- 2,
- {
- treatUndefinedAsUnspecified: true,
- },
- ],
- "default-case": 2,
- eqeqeq: "off",
- "guard-for-in": 0,
- "no-case-declarations": 0,
- "no-empty-pattern": 2,
- "no-fallthrough": 2,
- "no-global-assign": [
- 2,
- {
- exceptions: [],
- },
- ],
- "no-octal": 2,
- "no-redeclare": 2,
- "no-self-assign": 2,
- "no-unused-labels": 2,
- "no-useless-escape": 2,
- strict: 2,
- "no-delete-var": 2,
- "no-undefined": 0,
- "no-undef": 2,
- "no-use-before-define": 2,
- "array-bracket-spacing": [2, "never"],
- "block-spacing": [2, "always"],
- "brace-style": [2, "1tbs"],
- "comma-dangle": ["error", "never"],
- "comma-spacing": [
- 2,
- {
- before: false,
- after: true,
- },
- ],
- "comma-style": [2, "last"],
- "computed-property-spacing": ["error", "never"],
- "eol-last": [2, "always"],
- "func-call-spacing": ["error", "never"],
- indent: [
- "error",
- 2,
- {
- SwitchCase: 1,
- },
- ],
- "jsx-quotes": ["error", "prefer-double"],
- "key-spacing": [
- "error",
- {
- beforeColon: false,
- afterColon: true,
- },
- ],
- "new-cap": [
- "error",
- {
- newIsCap: true,
- capIsNewExceptionPattern: "(Type[a-zA-Z0-9]+|Deco[a-zA-Z0-9]+)+",
- },
- ],
- "new-parens": "error",
- "no-mixed-spaces-and-tabs": 2,
- "no-multi-assign": "error",
- "no-multiple-empty-lines": "error",
- semi: [
- 2,
- "always",
- {
- omitLastInOneLineBlock: true,
- },
- ],
- "constructor-super": 2,
- "no-class-assign": 0,
- "no-const-assign": 2,
- "no-this-before-super": 2,
- "no-var": 2,
- "no-dupe-class-members": 2,
- "no-new-symbol": 2,
- "require-yield": 2,
- "prefer-const": 0,
- },
- };
复制代码
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