From d54b6a65ef290b53cebb49125a06ac581eceec6c Mon Sep 17 00:00:00 2001
From: Jan Andrle <andrle.jan@centrum.cz>
Date: Sat, 15 Mar 2025 11:45:39 +0100
Subject: [PATCH] :zap: bs/build

---
 bs/dev/.build.js | 76 +++++++++++++++++++++---------------------------
 1 file changed, 33 insertions(+), 43 deletions(-)

diff --git a/bs/dev/.build.js b/bs/dev/.build.js
index ac2f13d..63b3087 100644
--- a/bs/dev/.build.js
+++ b/bs/dev/.build.js
@@ -1,4 +1,5 @@
 #!/usr/bin/env -S npx nodejsscript
+import { analyzeMetafileSync, buildSync as esbuildSync } from "esbuild";
 const css= echo.css`
 	.info{ color: gray; }
 `;
@@ -8,8 +9,7 @@ export function build({ files, filesOut, minify= "partial", iife= true, types= t
 		const file= file_root+".js";
 		echo(`Processing ${file} (minified: ${minify})`);
 		const out= filesOut(file);
-		const esbuild_output= buildEsbuild({ file, out, minify });
-		echoVariant(esbuild_output.stderr.split("\n")[1].trim());
+		esbuild({ file, out, minify });
 
 		if(types){
 			const file_dts= file_root+".d.ts";
@@ -31,14 +31,13 @@ export function build({ files, filesOut, minify= "partial", iife= true, types= t
 		const name= "DDE";
 		const out= filesOut(file_root+".js", fileMark);
 
-		const params= [
-			"--format=iife",
-			"--global-name="+name,
-		];
-		const dde_output= buildEsbuild({ file, out, minify, params });
-		echoVariant(`${out} (${name})`)
+		const params= {
+			format: "iife",
+			globalName: name
+		};
+		esbuild({ file, out, minify, params });
 
-		if(!types) return dde_output;
+		if(!types) return;
 		const file_dts= file_root+".d.ts";
 		const file_dts_out= filesOut(file_dts, fileMark);
 		echoVariant(file_dts_out, true);
@@ -48,8 +47,6 @@ export function build({ files, filesOut, minify= "partial", iife= true, types= t
 			entry: file_dts,
 		})
 		echoVariant(file_dts_out);
-
-		return dde_output;
 	}
 }
 export function buildDts({ bundle, entry, name }){
@@ -64,46 +61,39 @@ export function buildDts({ bundle, entry, name }){
 	].filter(Boolean).join(" "), { out, entry });
 	return dts_b_g_output;
 }
-class ErrorEsbuild extends Error{
-	constructor({ code, stderr }){
-		super(stderr);
-		this.code= code;
-		this.stderr= stderr;
-	}
-}
-function buildEsbuild({ file, out, minify= "partial", params= [] }){
-	try {
-		return esbuild({ file, out, minify, params });
-	} catch(e){
-		if(e instanceof ErrorEsbuild)
-			return $.exit(e.code, echo(e.stderr));
-		throw e;
-	}
-}
-export function esbuild({ file, out, minify= "partial", params= [] }){
-	const esbuild_output= s.$().run([
-		"npx esbuild '::file::'",
-		"--platform=neutral",
-		"--bundle",
-		minifyOption(minify),
-		"--legal-comments=inline",
-		"--packages=external",
-		...params,
-		"--outfile='::out::'"
-	].filter(Boolean).join(" "), { file, out });
-	if(esbuild_output.code)
-		throw new ErrorEsbuild(esbuild_output);
+export function esbuild({ file, out, minify= "partial", params= {} }){
+	const esbuild_output= esbuildSync({
+		entryPoints: [file],
+		outfile: out,
+		platform: "neutral",
+		bundle: true,
+		legalComments: "inline",
+		packages: "external",
+		metafile: true,
+		...minifyOption(minify),
+		...params
+	});
 	pipe(
 		f=> f.replace(/^ +/gm, m=> "\t".repeat(m.length/2)),
 		f=> s.echo(f).to(out)
 	)(s.cat(out));
+
+	echoVariant(metaToLineStatus(esbuild_output.metafile, out));
 	return esbuild_output;
 }
 /** @param {"no"|"full"|"partial"} level */
 function minifyOption(level= "partial"){
-	if("no"===level) return undefined;
-	if("full"===level) return "--minify";
-	return "--minify-syntax --minify-identifiers";
+	if("no"===level) return { minify: false };
+	if("full"===level) return { minify: true };
+	return { minifySyntax: true, minifyIdentifiers: true };
+}
+function metaToLineStatus(meta, file){
+	const status= meta.outputs[file];
+	if(!status) return `? ${file}: unknown`;
+	const { bytes }= status;
+	const kbytes= bytes/1024;
+	const kbytesR= kbytes.toFixed(2);
+	return `${file}: ${kbytesR} KiB`;
 }
 function echoVariant(name, todo= false){
 	if(todo) return echo.use("-R", "~ "+name);