⚡ (bs) (un)min

bs/dev/.build.js

@@ -0,0 +1,65 @@
+#!/usr/bin/env -S npx nodejsscript
+import { bundle as bundleDTS } from "dts-bundler";
+const css= echo.css`
+	.info{ color: gray; }
+`;
+
+export async function build({ files, filesOut, minify= "partiala", dde= true }){
+	for(const file_root of files){
+		const file= file_root+".js";
+		echo(`Processing ${file} (minified: ${minify})`);
+		const out= filesOut(file);
+		const esbuild_output= s.$().run([
+			"npx esbuild '::file::'",
+			"--platform=neutral",
+			"--bundle",
+			minifyOption(minify),
+			"--legal-comments=inline",
+			"--packages=external",
+			"--outfile='::out::'"
+		].filter(Boolean).join(" "), { file, out });
+		if(esbuild_output.code)
+			return $.exit(esbuild_output.code, echo(esbuild_output.stderr));
+		echoVariant(esbuild_output.stderr.split("\n")[1].trim()+ " (esbuild)");
+		pipe(
+			f=> f.replace(/^ +/gm, m=> "\t".repeat(m.length/2)),
+			f=> s.echo(f).to(out)
+		)(s.cat(out));
+
+		const file_dts= file_root+".d.ts";
+		const file_dts_out= filesOut(file_dts);
+		echoVariant(file_dts_out);
+		s.echo(bundleDTS(file_dts)).to(file_dts_out);
+
+		if(dde) await toDDE(out, file_root);
+	}
+	return 0;
+
+	async function toDDE(file, file_root){
+		const name= "dde";
+		const out= filesOut(file_root+".js", name);
+		echoVariant(`${out} (${file} → globalThis.${name})`)
+
+		let content= s.cat(file).toString().split(/export ?{/);
+		content.splice(1, 0, `\nglobalThis.${name}= {`);
+		content[2]= content[2]
+			.replace(/,(?!\n)/g, ",\n")
+			.replace(/(?<!\n)}/, "\n}")
+			.replace(/^(\t*)(.*) as ([^,\n]*)(,?)$/mg, "$1$3: $2$4");
+		s.echo([
+			`//deka-dom-el library is available via global namespace \`${name}\``,
+			"(()=> {",
+			content.join(""),
+			"})();"
+		].join("\n")).to(out);
+	}
+}
+/** @param {"no"|"full"|"partial"} level */
+function minifyOption(level= "partial"){
+	if("no"===level) return undefined;
+	if("full"===level) return "--minify";
+	return "--minify-syntax --minify-identifiers";
+}
+function echoVariant(name){
+	return echo("%c✓ "+name, css.info+css);
+}