More resilient esbuild

esbuild.js

@@ -6,6 +6,45 @@ const chokidar = require("chokidar");
 
 const watch = process.argv.includes("--watch");
 
+async function build_scss(watch) {
+	let scss_build;
+	if (watch) {
+		const scss_watcher = chokidar.watch("src", { ignoreInitial: true });
+		scss_watcher.on("all", (_, path) => {
+			if (!scss_build) return;
+			if (path.endsWith(".scss") && !path.endsWith("/includes.scss")) {
+				// refresh the list of all scss files in includes.scss
+				spawn("./node_modules/.bin/sealgen", ["generate-scss-includes"]).on(
+					"close",
+					() => {
+						try {
+							scss_build.rebuild();
+							console.log(`Built main.scss [on ${path}]`);
+						} catch (e) {
+							console.error(e);
+							setTimeout(() => {
+								scss_build
+									.rebuild()
+									.catch((e) => conslole.error(e.message));
+							}, 200);
+						}
+					}
+				);
+			}
+		});
+	}
+
+	scss_build = await build({
+		entryPoints: ["./src/main.scss"],
+		sourcemap: true,
+		outfile: "./public/dist/style.css",
+		logLevel: "info",
+		incremental: watch,
+		plugins: [sassPlugin()],
+	});
+	scss_build.rebuild();
+}
+
 (async () => {
 	const entryPoints = await glob("./src/back/**/*.ts");
 	build({
@@ -18,15 +57,6 @@ const watch = process.argv.includes("--watch");
 		target: "node16",
 		format: "cjs",
 	});
-	const scss_build = await build({
-		entryPoints: ["./src/main.scss"],
-		sourcemap: true,
-		outfile: "./public/dist/style.css",
-		logLevel: "info",
-		incremental: watch,
-		plugins: [sassPlugin()],
-	});
-	scss_build.rebuild();
 
 	build({
 		entryPoints: ["./src/front/index.ts"],
@@ -37,23 +67,9 @@ const watch = process.argv.includes("--watch");
 		watch,
 	});
 
-	if (watch) {
-		const scss_watcher = chokidar.watch("src", { ignoreInitial: true });
-		scss_watcher.on("all", (_, path) => {
-			if (path.endsWith(".scss")) {
-				// refresh the list of all scss files in includes.scss
-				spawn("./node_modules/.bin/sealgen", ["generate-scss-includes"]).on(
-					"close",
-					() => {
-						scss_build.rebuild().catch(async (e) => {
-							console.error(e);
-							setTimeout(() => {
-								scss_build.rebuild();
-							}, 200);
-						});
-					}
-				);
-			}
-		});
+	try {
+		await build_scss(watch);
+	} catch (e) {
+		console.error(e.message);
 	}
 })();