React Native &Webpack: ESLint检测错误时令人困惑
React Native & Webpack: Confusing when ESLint detects errors
对于React Native项目,我使用react-native-webpack-server
, babel
, eslint
和webpack-hotloader
当ESLint
检测到我的Javascript代码中的错误时,iOS模拟器仍然刷新应用程序并显示堆栈跟踪。而不是显示ESLint
报告的错误,我已经从index.ios.bundle
的错误,可能会令人困惑和难以调试。
例如:
'use strict';
import React, {
StyleSheet,
Text,
View,
TouchableHighlight,
Component
} from 'react-native';
rger // This will cause an error.
export default class ContactsComponent extends Component {
render() {
return (
<View>
<Text>This is a simple application.</Text>
</View>
);
}
}
我有ESLint
报告的这个错误:
11:1 error "rger" is not defined // Pretty straightforward
和这个错误报告的模拟器(所以React Native):
Invariant Violation: Application ContactsComponent has not been registered. This is either due to a require() error during initialization or failure to call AppRegistry.registerComponent.
这个错误信息不是很简单。
我想知道是否有一种更有效的方法来使用ESLint
,也许是通过直接在模拟器中显示错误?
我的webpack.config.js
:
var fs = require('fs');
var path = require('path');
var webpack = require('webpack');
var config = {
debug: true,
devtool: 'source-map',
entry: {
'index.ios': ['./javascript/ios.js'],
},
output: {
path: path.resolve(__dirname, 'build'),
filename: '[name].js',
},
module: {
loaders: [{
test: /'.js$/,
exclude: /node_modules/,
loaders: ["babel?stage=0", "eslint"]
}]
},
plugins: [],
};
// Hot loader
if (process.env.HOT) {
config.devtool = 'eval'; // Speed up incremental builds
config.entry['index.ios'].unshift('react-native-webpack-server/hot/entry');
config.entry['index.ios'].unshift('webpack/hot/only-dev-server');
config.entry['index.ios'].unshift('webpack-dev-server/client?http://localhost:8082');
config.output.publicPath = 'http://localhost:8082/';
config.plugins.unshift(new webpack.HotModuleReplacementPlugin());
config.module.loaders[0].query.plugins.push('react-transform');
config.module.loaders[0].query.extra = {
'react-transform': {
transforms: [{
transform: 'react-transform-hmr',
imports: ['react-native'],
locals: ['module']
}]
}
};
}
// Production config
if (process.env.NODE_ENV === 'production') {
config.plugins.push(new webpack.optimize.OccurrenceOrderPlugin());
config.plugins.push(new webpack.optimize.UglifyJsPlugin());
}
module.exports = config;
And .eslintrc
:
{
"parser": "babel-eslint",
"plugins": [
"react"
],
"ecmaFeatures": {
"jsx": true
},
"extends": "eslint:recommended",
"rules": {
"react/display-name": 1,
"react/forbid-prop-types": 1,
"react/jsx-boolean-value": 1,
"react/jsx-closing-bracket-location": 1,
"react/jsx-curly-spacing": 1,
"react/jsx-indent-props": 1,
"react/jsx-max-props-per-line": 1,
"react/jsx-no-duplicate-props": 1,
"react/jsx-no-literals": 1,
"react/jsx-no-undef": 1,
"react/jsx-quotes": 1,
"react/jsx-sort-prop-types": 1,
"react/jsx-sort-props": 1,
"react/jsx-uses-react": 1,
"react/jsx-uses-vars": 1,
"react/no-danger": 1,
"react/no-did-mount-set-state": 1,
"react/no-did-update-set-state": 1,
"react/no-direct-mutation-state": 1,
"react/no-multi-comp": 1,
"react/no-set-state": 1,
"react/no-unknown-property": 1,
"react/prop-types": 1,
"react/react-in-jsx-scope": 1,
"react/require-extension": 1,
"react/self-closing-comp": 1,
"react/sort-comp": 1,
"react/wrap-multilines": 1,
"strict": 0
}
}
任何建议吗?
我找到了一种在模拟器中直接显示错误的方法。我只是使用eslint-loader
包。
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