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webpack.dev.js
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webpack.dev.js
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const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const webpack = require('webpack');
module.exports = {
mode: 'development',
entry: './demo/index.js',
devtool: 'source-map',
output: {
path: path.join(__dirname, '', '/example'),
publicPath: '/',
filename: 'js/[name].js',
},
plugins: [
new HtmlWebpackPlugin({
title: 'demo',
template: path.join(__dirname, '', 'demo/index.html')
}),
new webpack.HotModuleReplacementPlugin(),
new webpack.DefinePlugin({
'process.env.BASE_URL': '\"' + process.env.BASE_URL + '\"'
}),
new webpack.ProgressPlugin(),
new MiniCssExtractPlugin({
filename: 'css/[name].css'
})
],
module: {
rules: [{
test: /\.js$/,
exclude: /(node_modules)/,
use:[{
loader: 'babel-loader',
options: {
presets: [
["@babel/preset-env", {
useBuiltIns: 'entry'
}]
]
}
}]
}, {
test: /\.(sass|scss|css)$/,
use: [{
loader: MiniCssExtractPlugin.loader,
options: {
hmr: true
}
}, {
loader: 'css-loader',
options: {
sourceMap: true,
importLoaders: 2
}
}, {
loader: 'postcss-loader',
options: {
sourceMap: true
}
}, {
loader: 'sass-loader',
options: {
sourceMap: true
}
}]
}]
}
}