Prepare Windows release and signing process (#16)

scripts/prepare-build-assets.mjs

@@ -0,0 +1,84 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import { execFileSync } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+
+const scriptDir = path.dirname(fileURLToPath(import.meta.url));
+const repoRoot = path.resolve(scriptDir, '..');
+const rendererSourceDir = path.join(repoRoot, 'src', 'renderer');
+const rendererOutputDir = path.join(repoRoot, 'dist', 'renderer');
+const scriptsOutputDir = path.join(repoRoot, 'dist', 'scripts');
+const windowsHelperSourcePath = path.join(scriptDir, 'get-mpv-window-windows.ps1');
+const windowsHelperOutputPath = path.join(scriptsOutputDir, 'get-mpv-window-windows.ps1');
+const macosHelperSourcePath = path.join(scriptDir, 'get-mpv-window-macos.swift');
+const macosHelperBinaryPath = path.join(scriptsOutputDir, 'get-mpv-window-macos');
+const macosHelperSourceCopyPath = path.join(scriptsOutputDir, 'get-mpv-window-macos.swift');
+
+function ensureDir(dirPath) {
+  fs.mkdirSync(dirPath, { recursive: true });
+}
+
+function copyFile(sourcePath, outputPath) {
+  ensureDir(path.dirname(outputPath));
+  fs.copyFileSync(sourcePath, outputPath);
+}
+
+function copyRendererAssets() {
+  copyFile(path.join(rendererSourceDir, 'index.html'), path.join(rendererOutputDir, 'index.html'));
+  copyFile(path.join(rendererSourceDir, 'style.css'), path.join(rendererOutputDir, 'style.css'));
+  fs.cpSync(path.join(rendererSourceDir, 'fonts'), path.join(rendererOutputDir, 'fonts'), {
+    recursive: true,
+    force: true,
+  });
+  process.stdout.write(`Staged renderer assets in ${rendererOutputDir}\n`);
+}
+
+function stageWindowsHelper() {
+  copyFile(windowsHelperSourcePath, windowsHelperOutputPath);
+  process.stdout.write(`Staged Windows helper: ${windowsHelperOutputPath}\n`);
+}
+
+function fallbackToMacosSource() {
+  copyFile(macosHelperSourcePath, macosHelperSourceCopyPath);
+  process.stdout.write(`Staged macOS helper source fallback: ${macosHelperSourceCopyPath}\n`);
+}
+
+function shouldSkipMacosHelperBuild() {
+  return process.env.SUBMINER_SKIP_MACOS_HELPER_BUILD === '1';
+}
+
+function buildMacosHelper() {
+  if (shouldSkipMacosHelperBuild()) {
+    process.stdout.write('Skipping macOS helper build (SUBMINER_SKIP_MACOS_HELPER_BUILD=1)\n');
+    fallbackToMacosSource();
+    return;
+  }
+
+  if (process.platform !== 'darwin') {
+    process.stdout.write('Skipping macOS helper build (not on macOS)\n');
+    fallbackToMacosSource();
+    return;
+  }
+
+  try {
+    execFileSync('swiftc', ['-O', macosHelperSourcePath, '-o', macosHelperBinaryPath], {
+      stdio: 'inherit',
+    });
+    fs.chmodSync(macosHelperBinaryPath, 0o755);
+    process.stdout.write(`Built macOS helper: ${macosHelperBinaryPath}\n`);
+  } catch (error) {
+    process.stdout.write('Failed to compile macOS helper; using source fallback.\n');
+    fallbackToMacosSource();
+    if (error instanceof Error) {
+      process.stderr.write(`${error.message}\n`);
+    }
+  }
+}
+
+function main() {
+  copyRendererAssets();
+  stageWindowsHelper();
+  buildMacosHelper();
+}
+
+main();