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webpack.config.js
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webpack.config.js
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const path = require("path")
const HtmlWebpackPlugin = require('html-webpack-plugin')
const { DefinePlugin } = require('webpack')
const ElmMinify = require('elm-minify');
const SOURCE_DIR = path.join(__dirname, 'src')
const mode = process.env.NODE_ENV === 'production'
? 'production'
: 'development'
const isOptimizedBuild = mode === 'production';
// Copy the specified environment variables into an object we can pass to
// webpack's DefinePlugin
const copyArgs = (args) =>
args.reduce(
(acc, key) => ({
// Create an object with the specified key
...acc,
[`process.env.${key}`]: JSON.stringify(process.env[key]),
}),
{}
)
const developmentConfig = {
devServer: {
inline: true,
stats: { colors: true },
historyApiFallback: true,
allowedHosts: [
'dev.parlezvous.io',
],
},
}
const commonConfig = {
mode,
watch: mode === 'development',
entry: {
app: [
'./src/index.js'
]
},
output: {
path: path.resolve(__dirname + '/dist'),
filename: '[name].js',
publicPath: mode === 'development' ? '/' : undefined,
},
module: {
rules: [
{
test: /\.elm$/,
exclude: [/elm-stuff/, /node_modules/],
loader: 'elm-webpack-loader',
options: {
optimize: isOptimizedBuild,
}
},
],
noParse: /\.elm$/,
},
plugins: [
new HtmlWebpackPlugin({
template: path.join(SOURCE_DIR, 'index.html'),
minify: {
collapseWhitespace: true,
removeComments: true
}
// favicon: path.resolve('./static/favicon.png')
}),
new DefinePlugin({
...copyArgs([
'API_ENDPOINT',
'GIT_REF',
]),
}),
...(isOptimizedBuild ? [
new ElmMinify.WebpackPlugin(),
] : [])
],
};
module.exports = mode === 'development'
? { ...commonConfig, ...developmentConfig }
: commonConfig;