小编典典

带有React的ESLint会给出“ no-unused-vars”错误

reactjs

我已经设置eslinteslint-plugin-react

当我运行ESLint时,linter会no-unused-vars为每个React组件返回错误。

我假设它没有意识到我正在使用JSX或React语法。有任何想法吗?

例:

app.js

import React, { Component } from 'react';
import Header from './header.js';

export default class App extends Component {
  render() {
    return (
      <div>
        <Header />
        {this.props.children}
      </div>
    );
  }
}

短绒错误:

/my_project/src/components/app.js
  1:8  error  'React' is defined but never used   no-unused-vars
  2:8  error  'Header' is defined but never used  no-unused-vars

这是我的.eslintrc.json文件:

{
    "env": {
        "browser": true,
        "es6": true
    },
    "extends": "eslint:recommended",
    "parserOptions": {
        "ecmaFeatures": {
            "experimentalObjectRestSpread": true,
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": [
        "react"
    ],
    "rules": {
        "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
        "indent": [
            "error",
            2
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ]
    }
}

阅读 783

收藏
2020-07-22

共1个答案

小编典典

在您的.eslintrc.json下方的中extends,包含以下插件:

'extends': [
    'plugin:react/recommended'
]

资源

2020-07-22