I am using webpack 4.7.0 with webpack-cli installed. This is for a react-js app. Here is my webpack.config.js:
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const HtmlWebpackPluginConfig = new HtmlWebpackPlugin({
template: './client/index.html',
filename: 'index.html',
'inject': 'body'
});
module.exports = {
entry: './client/index.js',
output: {
path: path.resolve('dist'),
filename: 'bundle.js'
},
module: {
rules: [
{
test: /\.css$/,
use: [
{ loader: "style-loader" },
{ loader: "css-loader" }
]
},
{
test: /\.js$/,
exclude: /node_modules/,
use: "babel-loader"
}
]
}
plugins: [HtmlWebpackPluginConfig]
}
Now when I run the command node_modules.bin\webpack --config webpack.config.js, I get the following error message:
plugins: [HtmlWebpackPluginConfig]
^^^^^^^
SyntaxError: Unexpected identifier
And I am not able to build my application. Here is my npm -v & node -v: 5.7.1
v9.4.0. How do I solve this issue?
Related
I'm using the react-window ^1.8.6 version ( under my dependencies). When I try to yarn build my project, I'm getting the following errors.
ERROR in ./node_modules/react-window/dist/index.esm.js
Module not found: Error: Can't resolve '#babel/runtime/helpers/esm/assertThisInitialized' in '/Users/xxxxxx/Workspace/xxxxx/component-library/node_modules/react-window/dist'
# ./node_modules/react-window/dist/index.esm.js 3:0-86 160:60-82 160:83-105 164:18-40 164:41-63 1066:60-82 1066:83-105 1070:18-40 1070:41-63
# ./src/components/PDFViewer/Viewer.tsx
# ./src/components/PDFViewer/PDFViewer.tsx
# ./src/components/PDFViewer/index.ts
# ./src/components/DocumentViewer/DocumentViewer.tsx
# ./src/components/DocumentViewer/index.ts
# ./src/index.ts
Full set as below
yarn version 1.22.17
npm version 8.1.2
node version v16.13.2
webpack version ^4.44.1
My Webpack config looks like
const path = require('path');
const webpack = require('webpack');
module.exports = {
entry: './src/index.ts',
mode: 'production',
output: {
path: path.resolve(__dirname, 'lib'),
filename: 'the-component-library.js',
libraryTarget: 'umd',
globalObject: 'this',
library: 'theComponentLibrary',
},
module: {
rules: [
{
test: /\.(ts|tsx)$/,
exclude: /(node_modules|bower_components)/,
use: ['ts-loader'],
},
{
test: /\.(scss|css)$/,
use: ['style-loader', 'css-loader', 'sass-loader'],
},
{
test: /\.svg$/,
use: ['#svgr/webpack'],
},
{
test: /\.(gif)$/i,
use: [
{
loader: 'file-loader',
},
],
},
],
},
externals: [
{
react: 'react',
},
'#material-ui/core',
'#material-ui/lab',
/#material-ui\/core\/*./,
/#material-ui\/lab\/*./,
'react-simple-gestures',
'react-dropzone',
],
resolve: {
extensions: ['.ts', '.tsx'],
},
plugins: [
// Ignore all locale files of day.js
new webpack.IgnorePlugin(/^\.\/locale$/),
],
};
How can I resolve this issue?
Oh, I could resolve the issue by changing the Webpack config as below
I'm pretty new to react and am having some issues with web pack. All I'm trying to do is import a SVG file into my react project. I'm lost as to what is causing this as it doesn't give me much info about it. I would be grateful if anyone knows what's going on, thank you in advance lol.
Error code in console:
ERROR in ./src/img/flag/united-kingdom.svg
Module build failed: TypeError [ERR_INVALID_ARG_TYPE]: The "from" argument must be of type string. Received undefined
at validateString (internal/validators.js:120:11)
at Object.relative (path.js:437:5)
at Object.loader (C:\Users\Callum\Desktop\sites\csgo\mern\client\node_modules\file-loader\dist\index.js:78:72)
# ./src/components/header.js 12:0-74
# ./src/components/app.js
# ./src/app.js
My webpack file (webpack.common.js)
const webpack = require('webpack');
const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
module.exports = {
entry: {
app: './src/app.js',
vender: [
'react', 'react-dom', 'redux',
'react-redux', 'react-router-dom',
'axios', 'prop-types']
},
output: {
path: path.resolve(__dirname, '../docs/'),
filename: "js/[name].[chunkhash].js"
},
module: {
rules: [
{
test: /\.jsx?$/,
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'm new to webpack and including bootstrap in my project. If I use style-loader I get a "Reference error for document not defined", otherwise if I remove style-loader and then run it, In this case I get an error on bootstrap.css file ":root" for ":"
const path = require('path');
const nodeExternals = require('webpack-node-externals');
module.exports = {
entry: './server/index.js',
target: 'node',
externals: [nodeExternals()],
output: {
path: path.resolve('server-build'),
filename: 'index.js'
},
module: {
rules: [
{
test: /\.js$|jsx/,
use: 'babel-loader'
},
{
test: /\.css$/,
loader: 'style-loader!css-loader'
}
]
}
};
I try to upgrade my app from webpack 2 to webpack 4.16.5.
Because I want not again end up in a hard to understand some hundreds line config, I start with a minimal config. This is my current:
const path = require("path");
const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const context = path.resolve(__dirname, "app");
module.exports = {
entry: {
home: "./index.js"
},
context,
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader"
}
},
{
test: /\.html$/,
use: [
{
loader: "html-loader",
options: { minimize: true }
}
]
},
{
test: /\.(css|sass|scss)$/,
use: [
MiniCssExtractPlugin.loader,
{
loader: "css-loader"
},
{
loader: "postcss-loader"
},
{
loader: "sass-loader"
}
]
}
]
},
plugins: [
new HtmlWebPackPlugin({
template: "./index.html",
filename: "./index.html"
}),
new MiniCssExtractPlugin({
filename: "[name].css",
chunkFilename: "[id].css"
})
],
resolve: {
extensions: [".js", ".jsx", ".css", "json"],
modules: [path.resolve(__dirname, "node_modules"), context]
}
};
But I run in problems importing the CSS files from react-toolbox i.e.:
import Dialog from 'react-toolbox/lib/dialog';
in a js file and also
#import "react-toolbox/lib/button/theme.css";
causes errors like this:
ERROR in ../node_modules/react-toolbox/lib/switch/theme.css (../node_modules/css-loader!../node_modules/postcss-loader/src!../node_modules/sass-loader/lib/loader.js!../node_modules/react-toolbox/lib/switch/theme.css)
Module build failed (from ../node_modules/css-loader/index.js):
Error: composition is only allowed when the selector is single: local class name not in ".disabled", ".disabled" is weird
Does anyone have a working application with wbpack4 and react-toolbox? Also, any hints on what may cause these errors are welcome!
I'm learning react.js with the js stack from scratch tutorial and try to using react-toolbox components.
Finnaly, i have a working demo with webpack 4 and the react-toolbox, it's based on the react-toolbox-example.
This is my settings:
add css-modules related packages
$ npm install postcss postcss-cssnext postcss-import postcss-loader css-loader style-loader
add a postcss.config.js
module.exports = {
plugins: {
'postcss-import': {
root: __dirname,
},
'postcss-cssnext': {}
},
};
add a webpack rule
...
{ test: /\.css$/, use: [
'style-loader',
{
loader: 'css-loader',
options: {
modules: true,
sourceMap: true,
importLoaders: 1,
localIdentName: '[name]--[local]--[hash:base64:8]'
}
},
'postcss-loader'
]},
...
add cmrh.conf.js - Using the css-modules-require-hook for SSR（Optional）
module.exports = {
generateScopedName: '[name]--[local]--[hash:base64:8]'
}
You can see all the settings in here, hope it will work for you.
I was trying to get react-toolbox to run.
Got the error 'Cannot find module precss' but this is the same code I picked up from the site. Am I missing out on something?
postcss.config.js
module.exports = {
plugins: [
require('precss'),
require('autoprefixer')
]
}
webpack.config.js
var HTMLWebpackPlugin = require('html-webpack-plugin');
var HTMLWebpackPluginConfig = new HTMLWebpackPlugin({
template: __dirname + '/app/index.html',
filename: 'index.html',
inject: 'body'
});
module.exports = {
entry: __dirname + '/app/index.js',
module: {
loaders: [
{
test: /\.js$/,
exclude: /node_modules/,
loader: 'babel-loader'
},
{
test: /\.css$/,
loaders: [
'style-loader',
'css-loader?importLoaders=1',
'postcss-loader'
]
}
]
},
output: {
filename: 'transformed.js',
path: __dirname+'/build'
},
plugins: [HTMLWebpackPluginConfig]
};
Any thoughts?
What does your package.json look like? Have you added precss as a dependency to your project? You always have to make sure that everything you import/use actually exists in the project.
You can check this by opening your package.json file and checking if it's in the list of dependencies. If it isn't try running:
npm install --save precss
This will install it in your project and you should be able to run the command again.