I'm updating the libraries in our web app to the latest thus pushing Webpack up to Webpack5. When adjusting the parameters for 'webpack.config.dev.js' I keep running into the following error during compilation:
...../node_modules/webpack/lib/NormalModule.js:1306
hash.update(this.buildInfo.hash);
^
TypeError: Cannot read property 'hash' of undefined
Here is my webpack.config.dev.js file so far (I removed the comments to try and keep it a little shorter):
'use strict';
const autoprefixer = require('autoprefixer');
const path = require('path');
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
const InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin');
const WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin');
const eslintFormatter = require('react-dev-utils/eslintFormatter');
const ModuleScopePlugin = require('react-dev-utils/ModuleScopePlugin');
const getClientEnvironment = require('./env');
const paths = require('./paths');
const publicPath = 'http://localhost:3000/';
const publicUrl = 'http://localhost:3000/';
const env = getClientEnvironment(publicUrl);
const BundleTracker = require('webpack-bundle-tracker');
// This is the development configuration.
// It is focused on developer experience and fast rebuilds.
// The production configuration is different and lives in a separate file.
module.exports = {
devtool: 'cheap-module-source-map',
entry: [
require.resolve('./polyfills'),
require.resolve('webpack-dev-server/client') + '?http://localhost:3000',
require.resolve('webpack/hot/dev-server'),
paths.appIndexJs,
],
output: {
pathinfo: true,
filename: 'static/js/bundle.js',
chunkFilename: 'static/js/[name].chunk.js',
publicPath: publicPath,
devtoolModuleFilenameTemplate: info =>
path.resolve(info.absoluteResourcePath).replace(/\\/g, '/'),
},
resolve: {
modules: ['node_modules', paths.appNodeModules].concat(
process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
),
extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
alias: {
'react-native': 'react-native-web',
},
plugins: [
new ModuleScopePlugin(paths.appSrc, [paths.appPackageJson]),
new BundleTracker({path: paths.statsRoot, filename: 'webpack-stats.dev.json'}),
],
fallback: {
dgram: false,
fs: false,
net: false,
tls: false,
child_process: false
}
},
module: {
strictExportPresence: true,
rules: [
{
test: /\.(js|jsx|mjs)$/,
enforce: 'pre',
use: [
{
options: {
formatter: eslintFormatter,
eslintPath: require.resolve('eslint'),
},
loader: require.resolve('eslint-loader'),
},
],
include: paths.appSrc,
},
{
oneOf: [
{
test: /\.worker\.(js|jsx|mjs)$/,
include: paths.appSrc,
use: [
require.resolve("worker-loader"),
require.resolve("thread-loader"),
{
loader: require.resolve("babel-loader"),
options: {
babelrc: false,
presets: [require.resolve("babel-preset-react-app")],
cacheDirectory: true,
highlightCode: true,
},
},
],
},
{
test: [/\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
loader: require.resolve('url-loader'),
options: {
limit: 10000,
name: 'static/media/[name].[hash:8].[ext]',
},
},
{
test: /\.(js|jsx|mjs)$/,
include: paths.appSrc,
loader: require.resolve('babel-loader'),
options: {
cacheDirectory: true,
},
},
{
test: /\.(html)$/,
use: {
loader: 'html-loader',
options: {
minimize: true
}
}
},
{
test: /\.css$/,
use: [
require.resolve('style-loader'),
{
loader: require.resolve('css-loader'),
options: {
importLoaders: 1,
},
},
{
loader: require.resolve('postcss-loader'),
options: {
ident: 'postcss',
plugins: () => [
require('postcss-flexbugs-fixes'),
autoprefixer({
browsers: [
'>1%',
'last 4 versions',
'Firefox ESR',
'not ie < 9',
],
flexbox: 'no-2009',
}),
],
},
},
],
},
{
exclude: [/\.(js|jsx|mjs)$/, /\.html$/, /\.json$/],
loader: require.resolve('file-loader'),
options: {
name: 'static/media/[name].[hash:8].[ext]',
},
},
],
},
// ** STOP ** Are you adding a new loader?
// Make sure to add the new loader(s) before the "file" loader.
],
},
plugins: [
new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),
// Generates an `index.html` file with the <script> injected.
new HtmlWebpackPlugin({
// inject: true,
template: paths.appHtml,
hash: false,
}),
new webpack.DefinePlugin(env.stringified),
new webpack.HotModuleReplacementPlugin(),
new CaseSensitivePathsPlugin(),
new WatchMissingNodeModulesPlugin(paths.appNodeModules),
new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
new BundleTracker({path: paths.statsRoot, filename: 'webpack-stats.dev.json'}),
],
performance: {
hints: false,
},
optimization: {
moduleIds: 'named',
}
};
and here are my current relevant libraries (or at least the ones I think are relevant, I'll definitely post any others if needed)
[email protected]
[email protected]
[email protected]
The part that I believe is causing the issue is the plugins, specifically the HtmlWebpackPlugin:
plugins: [
*** I think the HtmlWebpackPlugin is causing the issue ***
new InterpolateHtmlPlugin(HtmlWebpackPlugin, env.raw),
// Generates an `index.html` file with the <script> injected.
new HtmlWebpackPlugin({
// inject: true,
template: paths.appHtml,
hash: false,
}),
...
],
Any idea on how to fix the error? I feel like I am calling the HtmlWebpackPlugin correctly, but am I dumb?
Update 1: Inverting InterpolateHtmlPlugin and HtmlWebpackPlugin yields the same error
Update 2: HtmlWebpackPlugin was determined not to be the cause of the issue, the error is tracing back to Webpack at this time.
Update 3: Git repo to recreate error located at: https://github.com/mexicantexan/webpack-error-reproduction and an issue has been opened up at the following link: https://github.com/webpack/webpack/issues/14142
Update 4: Solved. Check below for the checkmarked solution.
HtmlWebpackPluginandInterpolateHtmlPluginon the plugin array?HtmlWebpackPluginbeing first, or do you have an specific reason for that