Dro*_*rop 27 reactjs react-redux react-context
将组件添加到入口点时出现问题,此错误立即在此处弹出,该如何解决?我也尝试仅添加Main组件,但是无论如何我都会遇到该错误,在main.jsx中,仅带有渲染方法的类返回“ hello world”
_react.default.createContext is not a function
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_react.default.createContext is not a function
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Webpack配置
'use strict';
var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
devtool: 'eval-source-map',
entry: [
'webpack-hot-middleware/client?reload=true',
path.join(__dirname, 'src/app.jsx')
],
resolve: {
root: [
path.resolve(__dirname, "src"),
],
extensions: ['', '.js', '.jsx', '.css']
},
output: {
path: path.join(__dirname, '/public/'),
filename: '[name].js',
publicPath: '/'
},
plugins: [
new HtmlWebpackPlugin({
template: 'src/index.tpl.html',
inject: 'body',
filename: 'index.html'
}),
new webpack.optimize.OccurenceOrderPlugin(),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoErrorsPlugin(),
new webpack.DefinePlugin({
'process.env.NODE_ENV': JSON.stringify('development')
})
],
module: {
loaders: [{
test: /\.jsx?$/,
exclude: /node_modules/,
loader: 'babel',
query: {
presets: ['es2015', 'react']
}
}, {
test: /\.css$/,
loader: 'style!css'
}]
}
};
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和依赖
"react": "^15.6.2",
"react-addons-update": "^15.6.2",
"react-bootstrap": "^1.0.0-beta.5",
"react-dom": "^15.6.2",
"react-helmet": "^5.2.0",
"react-redux": "^6.0.0",
"react-router": "^4.3.1",
"react-router-dom": "^4.3.1",
"react-select": "^1.0.0-beta13",
"redux": "^4.0.1",
"redux-thunk": "^2.3.0",
"sequelize": "^3.20.0",
"sqlite3": "^4.0.6"
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Google建议将ract的版本升级到16,但是我认为这不是旧版本的问题。
Shu*_*tri 57
react-redux v6.0.0
使用由反应,以便为它提供工作新环境的API,要么你需要降级react-redux
到v5.x.x
或升级react
,并react-dom
以v16.4
以上
如果使用纱线,则可以运行
yarn upgrade react react-dom
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否则,您可以运行npm
npm update react react-dom
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您也可以在package.json中手动更改版本,然后运行yarn install
或npm install
小智 29
我遇到了同样的问题,但更新 React 和 React-dom 没有帮助。我正在使用带有react-hook-form的NextJS 13,问题是我忘记将“使用客户端”放在页面顶部。发生此错误的原因是您无法在服务器组件中使用挂钩。
前任:
"use client"; // top to the file
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通过更新 react 和 react-dom 解决了问题
npm update react react-dom
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当然,关闭服务器并通过 npm start 重新启动。
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