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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 isDev = process.argv.includes("--mode=development");
const esModule = process.env.BUILD_TARGET === "esModule";
const isMinify = process.env.MINIFY === "true";
const config = {
mode: "production",
devtool: false,
entry: {
index: "./src/index.js",
},
optimization: {
usedExports: true,
minimize: isMinify, // !isDev,
// moduleIds: 'named',
// chunkIds: 'named'
},
resolve: {
fallback: {
crypto: false,
stream: false,
buffer: false,
},
},
output: {
filename: isMinify ? "[name].min.js" : "[name].js",
chunkFilename: "[name].js",
path: path.resolve(__dirname, esModule ? "./es" : "./lib"),
library: esModule
? {
type: "module",
}
: {
type: "umd",
name: "Signature",
},
environment: {
arrowFunction: false,
const: false,
destructuring: false,
forOf: false,
module: false,
},
},
devServer: {
port: 8081,
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: "babel-loader",
options: {
presets: ["@babel/preset-env"],
plugins: ["@babel/plugin-transform-runtime"],
},
},
},
],
},
plugins: [
isDev &&
new HtmlWebpackPlugin({
template: "./index.html",
}),
].filter(Boolean),
};
if (esModule) {
config.experiments = {
outputModule: true,
};
}
module.exports = config;