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webpack.config.js
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webpack.config.js
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import webpack from "webpack";
import { fileURLToPath } from "node:url";
import { resolve, dirname } from "node:path";
import pkg from "./package.json" assert { type: "json" };
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
/**
*
* @param {"esm"|"umd"} type
* @returns { webpack.Configuration } config
*/
function getConfig(type) {
return {
mode: "production",
entry: {
index: resolve(__dirname, "src/index.ts"),
},
module: {
rules: [
{
test: /\.ts$/,
use: {
loader: "ts-loader",
...(type === "umd" && {
options: {
compilerOptions: {
declaration: false,
},
},
}),
},
exclude: [resolve(__dirname, "node_modules")],
},
],
},
resolve: {
extensions: [".ts", ".js"],
extensionAlias: {
".js": [".ts", ".js"],
},
},
plugins: [
new webpack.DefinePlugin({
CREATED_BY: JSON.stringify(`${pkg.name} v${pkg.version}`),
}),
new webpack.optimize.LimitChunkCountPlugin({
maxChunks: 1,
}),
],
output:
type === "umd"
? {
filename: "[name].umd.js",
path: resolve(__dirname, "dist"),
library: {
name: pkg.name.replace(/-([a-z])/g, function (g) {
return g[1].toUpperCase();
}),
type: "umd",
},
}
: {
filename: "[name].js",
path: resolve(__dirname, "dist"),
library: {
type: "module",
},
chunkFormat: "module",
},
experiments: {
outputModule: type === "umd" ? false : true,
},
target: "web",
};
}
/**
* Webpack Configuration
* @type { webpack.Configuration }
*/
export default [getConfig("esm"), getConfig("umd")];