refactor progress

fluxer_app/scripts/build/utils/Assets.tsx

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import * as fs from 'node:fs';
+import * as path from 'node:path';
+import {ASSETS_DIR, DIST_DIR, PKGS_DIR, PUBLIC_DIR} from '@app_scripts/build/Config';
+
+export async function copyPublicAssets(): Promise<void> {
+	if (!fs.existsSync(PUBLIC_DIR)) {
+		return;
+	}
+
+	const files = await fs.promises.readdir(PUBLIC_DIR, {recursive: true});
+	for (const file of files) {
+		const srcPath = path.join(PUBLIC_DIR, file.toString());
+		const destPath = path.join(DIST_DIR, file.toString());
+
+		const stat = await fs.promises.stat(srcPath);
+		if (stat.isFile()) {
+			await fs.promises.mkdir(path.dirname(destPath), {recursive: true});
+			await fs.promises.copyFile(srcPath, destPath);
+		}
+	}
+}
+
+export async function copyWasmFiles(): Promise<void> {
+	const libfluxcoreDir = path.join(PKGS_DIR, 'libfluxcore');
+	const wasmFile = path.join(libfluxcoreDir, 'libfluxcore_bg.wasm');
+
+	if (fs.existsSync(wasmFile)) {
+		await fs.promises.copyFile(wasmFile, path.join(ASSETS_DIR, 'libfluxcore_bg.wasm'));
+	}
+}
+
+export async function removeUnusedCssAssets(assetsDir: string, keepFiles: Array<string>): Promise<void> {
+	if (!fs.existsSync(assetsDir)) {
+		return;
+	}
+
+	const keepNames = new Set<string>();
+	for (const file of keepFiles) {
+		const base = path.basename(file);
+		keepNames.add(base);
+		if (base.endsWith('.css')) {
+			keepNames.add(`${base}.map`);
+		}
+	}
+
+	const entries = await fs.promises.readdir(assetsDir);
+	for (const entry of entries) {
+		if (!entry.endsWith('.css') && !entry.endsWith('.css.map')) {
+			continue;
+		}
+		if (keepNames.has(entry)) {
+			continue;
+		}
+		await fs.promises.rm(path.join(assetsDir, entry), {force: true});
+	}
+}