I've read a lot about this error, and I can't find the solution.
hot reloading is not working, and I have an error:
EventSource's response has a MIME type ("text/html") that is not "text/event-stream". Aborting the connection.
"webpack": "^2.5.1",
"webpack-dev-middleware": "^1.8.4",
"webpack-hot-middleware": "^2.22.1",
I've found https://github.com/webpack-contrib/webpack-hot-middleware/issues/26 this but it didn't help me
Do you have any idea how to get rid of this error?
My webpack.config.js
const path = require('path')
const webpack = require('webpack')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const project = require('../project.config')
const inProject = path.resolve.bind(path, project.basePath)
const inProjectSrc = (file) => inProject(project.srcDir, file)
const __DEV__ = project.env === 'development'
const __TEST__ = project.env === 'test'
const __PROD__ = project.env === 'production'
const config = {
entry: {
normalize: [
inProjectSrc('normalize'),
],
main: [
inProjectSrc(project.main),
],
},
devtool: project.sourcemaps ? 'source-map' : false,
output: {
path: inProject(project.outDir),
filename: __DEV__ ? '[name].js' : '[name].[chunkhash].js',
publicPath: project.publicPath,
},
resolve: {
modules: [
inProject(project.srcDir),
'node_modules',
],
extensions: ['*', '.js', '.jsx', '.json'],
},
externals: project.externals,
module: {
rules: [],
},
plugins: [
new webpack.DefinePlugin(Object.assign({
'process.env': { NODE_ENV: JSON.stringify(project.env) },
__DEV__,
__TEST__,
__PROD__,
}, project.globals))
],
}
// JavaScript
// ------------------------------------
config.module.rules.push({
test: /\.(js|jsx)$/,
exclude: /node_modules/,
use: [{
loader: 'babel-loader',
query: {
cacheDirectory: true,
plugins: [
'babel-plugin-transform-class-properties',
'babel-plugin-syntax-dynamic-import',
[
'babel-plugin-transform-runtime',
{
helpers: true,
polyfill: false, // we polyfill needed features in src/normalize.js
regenerator: true,
},
],
[
'babel-plugin-transform-object-rest-spread',
{
useBuiltIns: true // we polyfill Object.assign in src/normalize.js
},
],
],
presets: [
'babel-preset-react',
['babel-preset-env', {
modules: false,
targets: {
ie9: true,
},
uglify: true,
}],
]
},
}],
})
// Styles
// ------------------------------------
const extractStyles = new ExtractTextPlugin({
filename: 'styles/[name].[contenthash].css',
allChunks: true,
disable: __DEV__,
})
config.module.rules.push({
test: /\.css$/,
exclude: /node_modules/,
use: ['style-loader', 'css-loader']
})
config.module.rules.push({
test: /\.(sass|scss)$/,
loader: extractStyles.extract({
fallback: 'style-loader',
use: [
{
loader: 'css-loader',
options: {
sourceMap: project.sourcemaps,
minimize: {
autoprefixer: {
add: true,
remove: true,
browsers: ['last 2 versions'],
},
discardComments: {
removeAll : true,
},
discardUnused: false,
mergeIdents: false,
reduceIdents: false,
safe: true,
sourcemap: project.sourcemaps,
},
},
},
{
loader: 'sass-loader',
options: {
sourceMap: project.sourcemaps,
includePaths: [
inProjectSrc('styles'),
],
},
}
],
})
})
config.plugins.push(extractStyles)
// Images
// ------------------------------------
config.module.rules.push({
test : /\.(png|jpg|gif)$/,
loader : 'url-loader',
options : {
limit : 8192,
},
})
// Fonts
// ------------------------------------
;[
['woff', 'application/font-woff'],
['woff2', 'application/font-woff2'],
['otf', 'font/opentype'],
['ttf', 'application/octet-stream'],
['eot', 'application/vnd.ms-fontobject'],
['svg', 'image/svg+xml'],
].forEach((font) => {
const extension = font[0]
const mimetype = font[1]
config.module.rules.push({
test : new RegExp(`\\.${extension}$`),
loader : 'url-loader',
options : {
name : 'fonts/[name].[ext]',
limit : 10000,
mimetype,
},
})
})
// HTML Template
// ------------------------------------
config.plugins.push(new HtmlWebpackPlugin({
template: inProjectSrc('index.html'),
inject: true,
minify: {
collapseWhitespace: true,
},
}))
// Development Tools
// ------------------------------------
if (__DEV__) {
config.entry.main.push(
`webpack-hot-middleware/client.js?path=${config.output.publicPath}__webpack_hmr`
)
config.plugins.push(
new webpack.HotModuleReplacementPlugin(),
new webpack.NamedModulesPlugin()
)
}
// Bundle Splitting
// ------------------------------------
if (!__TEST__) {
const bundles = ['normalize', 'manifest']
if (project.vendors && project.vendors.length) {
bundles.unshift('vendor')
config.entry.vendor = project.vendors
}
config.plugins.push(new webpack.optimize.CommonsChunkPlugin({ names: bundles }))
}
// Production Optimizations
// ------------------------------------
if (__PROD__) {
config.plugins.push(
new webpack.LoaderOptionsPlugin({
minimize: true,
debug: false,
}),
new webpack.optimize.UglifyJsPlugin({
sourceMap: !!config.devtool,
comments: false,
compress: {
warnings: false,
screw_ie8: true,
conditionals: true,
unused: true,
comparisons: true,
sequences: true,
dead_code: true,
evaluate: true,
if_return: true,
join_vars: true,
},
})
)
}
module.exports = config