I am new to reactjs. i am trying to write webpack.
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: './main.js',
output: {
path: path.join(__dirname, '/bundle'),
filename: 'index_bundle.js'
},
devServer: {
inline: true,
port: 3000
},
module: {
rules: [
{
test: /\.jsx?$/,
exclude: /node_modules/,
loader: 'babel-loader',
query: {
presets: ['es2015', 'react']
}
},
{
test: /\.scss$/,
use: [{
loader: "style-loader"
}, {
loader: "css-loader"
}, {
loader: "sass-loader",
options: {
includePaths: ["absolute/path/a", "absolute/path/b"]
}
}]
}
]
},
plugins:[
new HtmlWebpackPlugin({
template: './index.html'
})
]
}
Html Webpack Plugin:
Error: Child compilation failed:
Entry module not found: Error: Can't resolve 'F:\react-app\index.html' in 'F:\ react-app':
Error: Can't resolve 'F:\react-app\index.html' in 'F:\react-app'
compiler.js:141
[react-app]/[html-webpack-plugin]/lib/compiler.js:141:18
Compiler.js:306
[react-app]/[webpack]/lib/Compiler.js:306:11
Compiler.js:631
[react-app]/[webpack]/lib/Compiler.js:631:15
Hook.js:154 AsyncSeriesHook.lazyCompileHook
[react-app]/[tapable]/lib/Hook.js:154:20
Compiler.js:628
[react-app]/[webpack]/lib/Compiler.js:628:31
Hook.js:154 AsyncSeriesHook.lazyCompileHook
[react-app]/[tapable]/lib/Hook.js:154:20
Compilation.js:1325
[react-app]/[webpack]/lib/Compilation.js:1325:35
plugins:[
new HtmlWebpackPlugin({
hash:'true'
template: './index.html'
})
]
Put hash to true and make sure you have the correct location of the template file.
Related
Being fairly new to the world of react, I'm trying to create a successfully webpack.config.js for my react solution. My webpack.config.js contains the following code:
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: './src/index.js',
plugins: [
new HtmlWebpackPlugin({
title: 'Caching',
template: './index.html'
})
],
output: {
filename: 'main.[hash].js',
chunkFilename: '[name].[hash].[chunkhash].chunk.js',
path: path.resolve(__dirname, 'build'),
clean: true,
publicPath: ""
},
optimization: {
moduleIds: 'deterministic',
runtimeChunk: 'single',
splitChunks: {
cacheGroups: {
vendor: {
test: /[\\/]node_modules[\\/]/,
name: 'vendors',
chunks: 'all',
},
},
},
},
resolve: {
extensions: ['.js', '.jsx']
},
module: {
rules: [
{
test: /\.js$/,
loader: 'babel-loader',
exclude: /node_modules/
},
{
test: /\.css$/,
exclude: /node_modules/,
use: [
{ loader: 'style-loader' },
{
loader: 'css-loader',
options: {
modules: {
localIdentName: "[name]__[local]___[hash:base64:5]",
},
sourceMap: true
}
}
]
},
{
test: /\.(png|jpe?g|gif)$/,
loader: 'url-loader?limit=10000&name=img/[name].[ext]'
}
]
}
};
However, when I execute npm run build the following files are created.
enter image description here
And the webpack.plugin interjects this line into my entry point
enter image description here
Which is obvious the wrong name, producing a 404 error message. I have read a number of articles about creating Webpack.config.js but I'm unable to resolve my issue for removing the 404 error and getting the correct filename interjected into my entry point
I'm pretty new to react and am having some issues with web pack. All I'm trying to do is import a SVG file into my react project. I'm lost as to what is causing this as it doesn't give me much info about it. I would be grateful if anyone knows what's going on, thank you in advance lol.
Error code in console:
ERROR in ./src/img/flag/united-kingdom.svg
Module build failed: TypeError [ERR_INVALID_ARG_TYPE]: The "from" argument must be of type string. Received undefined
at validateString (internal/validators.js:120:11)
at Object.relative (path.js:437:5)
at Object.loader (C:\Users\Callum\Desktop\sites\csgo\mern\client\node_modules\file-loader\dist\index.js:78:72)
# ./src/components/header.js 12:0-74
# ./src/components/app.js
# ./src/app.js
My webpack file (webpack.common.js)
const webpack = require('webpack');
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
module.exports = {
entry: {
app: './src/app.js',
vender: [
'react', 'react-dom', 'redux',
'react-redux', 'react-router-dom',
'axios', 'prop-types']
},
output: {
path: path.resolve(__dirname, '../docs/'),
filename: "js/[name].[chunkhash].js"
},
module: {
rules: [
{
test: /\.jsx?$/,
exclude: path.resolve(__dirname, 'node_modules'),
loader: 'babel-loader'
},
{
test: /\.s?css$/,
exclude: path.resolve(__dirname, "node_modules"),
use: ExtractTextPlugin.extract({
fallback: 'style-loader',
use: [{
loader: 'css-loader',
options: {
sourceMap: true
}
},'sass-loader'],
})
},
{
test: /\.(png|jpg|gif)$/,
use: [
{
loader: 'file-loader',
options: {
outputPath: 'images/',
name: '[name][hash].[ext]',
},
},
],
},
{
test: /\.(eot|svg|ttf|woff|woff2)$/,
loader: 'file-loader?name=/fonts/[name].[ext]'
},
{
test: /\.(svg)$/,
exclude: /fonts/, /* dont want svg fonts from fonts folder to be included */
use: [
{
loader: 'svg-url-loader',
options: {
noquotes: true,
},
},
],
},
]
},
plugins: [
new HtmlWebpackPlugin({template: path.resolve(__dirname, 'src/index.html')}),
new webpack.optimize.CommonsChunkPlugin({
name: 'manifest',
filename: "manifest.js",
chunks: ['vender']
}),
new ExtractTextPlugin({
filename: 'styles/style.css'
}),
]
}
Import code (literally all that references it):
import { ReactComponent as UKFlag } from '../img/flag/united-kingdom.svg'
Just had this problem, changed my file-loader in package.json from 6.2.0 to 6.1.1 and it fixed it
I use webpack HotModuleReplacementPlugin to let my website could hot reload when I fix the code.
But I don't know how to build two html page.
I want to build two page "index.html" & "introduction.html"
Now I use these code in my webpack.config.js but it will have a problem, in the Chrome dev tool would show
「Uncaught Error: _registerComponent(...): Target container is not a DOM element.」
How could I solved these problem?
var webpack = require('webpack');
var path = require('path');
var htmlWebpackPlugin = require('html-webpack-plugin');
var autoprefixer = require('autoprefixer');
var config = {
entry: {
index: [
'webpack-dev-server/client?http://0.0.0.0:8080',
'webpack/hot/only-dev-server',
path.resolve(__dirname, 'src/index.jsx')
],
introduction: [
'webpack-dev-server/client?http://0.0.0.0:8080',
'webpack/hot/only-dev-server',
path.resolve(__dirname, 'src/introduction.jsx')
],
},
output: {
path: path.resolve(__dirname, 'build'),
publishPath: '/',
filename: 'js/[name].js'
},
module: {
loaders: [
{
test:/\.jsx?$/,
exclude: /node_modules/,
loader: 'react-hot!babel'
},
{
test: /\.sass$/,
execlude: /node_modules/,
loader: 'style!css!postcss!sass'
},{
test: /\.scss$/,
execulde: /node_modules/,
loader: 'style!css!postcss!sass'
},
{
test: /\.css$/,
exclude: /node_modules/,
loader: 'style!css!postcss',
},
{
test: /\.(jpg|png|gif)$/,
exclude: /node_modules/,
loader: 'file?name=images/[name].[ext]'
},
{
test: /\.(woff|woff2)(\?v=\d+\.\d+\.\d+)?$/,
loader: 'url?limit=10000&mimetype=application/font-woff'
},
{
test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/,
loader: 'url?limit=10000&mimetype=application/octet-stream'
},
{
test: /\.eot(\?v=\d+\.\d+\.\d+)?$/,
loader: 'file'
},
{
test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
loader: 'url?limit=10000&mimetype=image/svg+xml'
}
]
},
postcss: [
autoprefixer({ browsers: ['last 2 versions']})
],
resolve: {
extensions: ['', '.js', '.jsx']
},
exclude: [
/(test)/
],
devServer: {
contenBase: './dist'
},
plugins: [
new webpack.HotModuleReplacementPlugin(),
new htmlWebpackPlugin({
filename: 'index.html',
template: './src/html/index.html'
}),
new htmlWebpackPlugin({
filename: 'introduction.html',
template: './src/html/introduction.html'
}),
]
}
module.exports = config;
I am receiving the following error:
ERROR in ./common/app.css Module parse failed:
E:\universal-starter\common\app.css Unexpected token (1:5) You may
need an appropriate loader to handle this file type.
| body {
| background-color: orange;
| }
My App.js file:
import React from 'react';
require('./app.css');
const App = () => <div>Hello from React</div>;
export default App;
My webpack.config:
const webpack = require('webpack');
const path = require('path');
const ExtractTextWebpackPlugin = require('extract-text-webpack-plugin');
const HTMLWebpackPlugin = require('html-webpack-plugin');
module.exports = {
devtool: 'inline-source-map',
entry: [
'react-hot-loader/patch',
'webpack-dev-server/client?http://localhost:3001',
'webpack/hot/only-dev-server',
'./client/index',
],
target: 'web',
module: {
rules: [
{
enforce: 'pre',
exclude: /node_modules/,
loader: 'eslint-loader',
options: {
emitWarning: true
},
test: /\.(js|jsx)$/
},
{
exclude: /node_modules/,
test: /\.js?$/,
use: ['babel-loader']},
// WHY IS THIS WRONG & CAUSING THE PROBLEM?!?!?!?!
// embed styles in styles folder
{
test: /\.css$/,
use: ExtractTextWebpackPlugin.extract({
fallback: 'style-loader',
use: ['css-loader']
})
},
// fonts
{
test: /\.(woff|woff2|eot|ttf|svg)$/,
exclude: /node_modules/,
loader: 'url-loader?limit=1024&name=fonts/[name].[ext]'
},
// examine img file size
{
test: /\.(jpe?g|png|svg|gif)$/,
use: [{
loader: 'url-loader',
options: {
limit: 40000,
name: 'images/[name].[hash].[ext]',
}
},
{
loader: 'image-webpack-loader',
}
]
}
],
},
plugins: [
new ExtractTextWebpackPlugin('./css/styles.css'),
new webpack.NamedModulesPlugin(),
new webpack.HotModuleReplacementPlugin(),
new webpack.NoEmitOnErrorsPlugin(),
new HTMLWebpackPlugin({
template: './client/template/index.html',
}),
new webpack.DefinePlugin({
'process.env': { BUILD_TARGET: JSON.stringify('client') },
}),
],
devServer: {
host: 'localhost',
port: 3001,
historyApiFallback: true,
hot: true,
},
output: {
path: path.join(__dirname, '.build'),
publicPath: 'http://localhost:3001/',
filename: 'client.js',
},
};
Very little help out there so far on Webpack 3.
Any ideas?
Thanks!!
Try this:
In your App.js file, replace require('./app.css'); for import './app.css'
I am trying to use css modules inside react, but it is not working.
The log of this code:
import React from 'react'
import styles from '../../css/test.css'
class Test extends React.Component {
render() {
console.log(styles)
return (
<div className={styles.app}>
<p>This text will be blue</p>
</div>
);
}
}
export default Test
returns Object {}
and the rendered code are tags with no class:
<div><p>This text will be blue</p></div>
The css code is available at site, here is my test.css:
.test p {
color: blue;
}
If I changed the div to have class='test', the color of p changes to blue
Here is my webpack.config.js
var path = require('path')
var webpack = require('webpack')
var HappyPack = require('happypack')
var BundleTracker = require('webpack-bundle-tracker')
var path = require('path')
var ExtractTextPlugin = require("extract-text-webpack-plugin")
function _path(p) {
return path.join(__dirname, p);
}
module.exports = {
context: __dirname,
entry: [
'./assets/js/index'
],
output: {
path: path.resolve('./assets/bundles/'),
filename: '[name].js'
},
devtool: 'inline-eval-cheap-source-map',
plugins: [
new BundleTracker({filename: './webpack-stats.json'}),
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
'window.jQuery': 'jquery'
}),
new HappyPack({
id: 'jsx',
threads: 4,
loaders: ["babel-loader"]
}),
new ExtractTextPlugin("[name].css", { allChunks: true })
],
module: {
loaders: [
{
test: /\.css$/,
include: path.resolve(__dirname, './assets/css/'),
loader: ExtractTextPlugin.extract("style-loader", "css-loader!resolve-url-loader?modules=true&localIdentName=[name]__[local]___[hash:base64:5]")
},
{
test: /\.scss$/,
include: path.resolve(__dirname, './assets/css/'),
loader: ExtractTextPlugin.extract("style-loader", "css-loader!resolve-url-loader!sass-loader?modules=true&localIdentName=[name]__[local]___[hash:base64:5]")
},
{
test: /\.jsx?$/,
include: path.resolve(__dirname, './assets/js/'),
exclude: /node_modules/,
loaders: ["happypack/loader?id=jsx"]
},
{
test: /\.png$/,
loader: 'file-loader',
query: {
name: '/static/img/[name].[ext]'
}
}
]
},
resolve: {
modulesDirectories: ['node_modules'],
extensions: ['', '.js', '.jsx'],
alias: {
'inputmask' : _path('node_modules/jquery-mask-plugin/dist/jquery.mask')
},
}
}
Can anyone help me?
Thanks in advance.
Looks like your passing the css-loader params to the resolve-url-loader:
"css-loader!resolve-url-loader?modules=true&localIdentName=[name]__[local]___[hash:base64:5]"
Should be:
"css-loader?modules=true&localIdentName=[name]__[local]___[hash:base64:5]&importLoaders=1!resolve-url-loader"
A lot of time passed since this question, so my webpack was update many times with another technologies.
This webpack config is working:
...
module.exports = {
entry,
output: {
filename: '[name].js',
path: path.resolve(__dirname, 'dist'),
publicPath: '/'
},
devtool:
process.env.NODE_ENV === 'production' ? 'source-map' : 'inline-source-map',
module: {
rules: [
{
test: /\.jsx?$/,
include: path.resolve(__dirname, './app/view/'),
exclude: /node_modules/,
loader: 'babel-loader'
},
{
test: /\.pcss$/,
include: path.resolve(__dirname, './app/view/'),
use: [
{
loader: 'style-loader'
},
{
loader:
'css-loader?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]'
},
{
loader: 'postcss-loader',
options: {
plugins: function() {
return [
require('postcss-import'),
require('postcss-mixins'),
require('postcss-cssnext')({
browsers: ['last 2 versions']
}),
require('postcss-nested'),
require('postcss-brand-colors')
];
}
}
}
],
exclude: /node_modules/
},
{
test: /\.(png|svg|jpg|webp)$/,
use: {
loader: 'file-loader'
}
}
]
},
resolve: {
extensions: ['.js', '.jsx'],
modules: [path.resolve(__dirname, 'node_modules')]
},
plugins
};
I guess that there is an issue with older versions at webpack with this line:
'css-loader?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]'
Try importLoaders and importLoader
You can see my repo too.
In my specific case, I'm using official utility facebook/create-react-app. You have to run the following command to get access to the webpack configuration:
npm run eject
You will then need to edit config/webpack.config.js and set the css-loader modules option to true.
use: getStyleLoaders({
importLoaders: 1,
sourceMap: isEnvProduction && shouldUseSourceMap,
modules:true <-----
}),