chore: include comments

Author: jamesgeorge007

packages/serve/index.ts

@@ -46,6 +46,15 @@ const pmConfig: PackageManagerConfig = {
 };
 
 const spawnWithArg = (pm: string, cmd: string): SpawnSyncReturns<Buffer> => {
+	/*
+	 * The dependency installation commands for the
+	 * respective package manager is available as
+	 * nested objects within pmConfig
+	 *
+	 * We gonna extract the root installation command
+	 * and rest of the flags from pmConfig object
+	 * by means of array destructuring
+	 */
 	const [installCmd, ...flags] = pmConfig[pm][cmd];
 	const options: string[] = [installCmd, "webpack-dev-server", ...flags];
 	return spawn.sync(pm, options, { stdio: "inherit" });