commafeed-podcasts/web-dev-server.config.js

// import { hmrPlugin, presets } from "@open-wc/dev-server-hmr";

/** Use Hot Module replacement by adding --watch to the start command */
//const hmr = process.argv.includes("--watch");
const [ mode ] = process.argv.slice(2);
import { paths } from "./bs/dev/paths.js";
import { join } from "node:path";

const pathDist = join.bind(null, paths.dist);
const target = mode !== "dist" // OR "src"
	? {
		rootDir: ".",
		appIndex: "index.html",
	}
	: {
		rootDir: pathDist(),
		appIndex: pathDist("index.html"),
	};

export default /** @type {import("@web/dev-server").DevServerConfig} */ ({
	open: "/", // SPA routing
	nodeResolve: { // Resolve bare module imports
		exportConditions: ["browser", "development"],
	},

	// esbuildTarget: "auto" // Compile JS for older browsers. Requires @web/dev-server-esbuild plugin */

	...target,

	plugins: [
		/** Use Hot Module Replacement by uncommenting. Requires @open-wc/dev-server-hmr plugin */
		// hmr && hmrPlugin({ exclude: ["**/*/node_modules/**/*"], presets: [presets.litElement] }),
	],

	// See documentation for all available options
});