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webpack.prod.config.js
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webpack.prod.config.js
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const path = require("path");
const nodeExternals = require("webpack-node-externals");
const TerserPlugin = require("terser-webpack-plugin");
module.exports = {
mode: "production",
entry: "./app.js",
output: {
path: path.resolve(__dirname, "build"),
filename: "app.bundle.js",
clean: true,
},
optimization: {
minimize: true,
minimizer: [
new TerserPlugin({
terserOptions: {
parse: { ecma: 8 },
compress: {
comparisons: false,
drop_console: true,
ecma: 5,
},
mangle: { safari10: true },
format: {
ascii_only: true,
comments: false,
ecma: 5,
},
},
}),
],
splitChunks: {
chunks: "all",
},
},
resolve: {
extensions: [".js", ".json"],
},
module: {
rules: [
{
test: /\.js?$/,
exclude: /node_modules/,
use: [{ loader: "babel-loader" }],
},
{
test: /\.graphql|\.gql$/,
exclude: /node_modules/,
use: [{ loader: "webpack-graphql-loader" }],
},
],
},
externalsPresets: { node: true }, // in order to ignore built-in modules like path, fs, etc.
externals: [nodeExternals()], // in order to ignore all modules in node_modules folder
};