feat: Initial clean release of CHM

packages/app-mobile/tools/clean.js

@@ -0,0 +1,67 @@
+// We don't make that a gulp task because we might want to run it before gulp has been installed.
+// For now this script is specifically for Android, as it's the build that causes the most problems.
+// We also don't want to clear the iOS data whenever we build the Android app.
+
+const fs = require('fs');
+
+function deleteMatchingDirs(rootDir, predicate) {
+	let entries;
+	try {
+		entries = fs.readdirSync(rootDir, { withFileTypes: true });
+	} catch {
+		return;
+	}
+
+	for (const entry of entries) {
+		if (!entry.isDirectory()) continue;
+
+		const fullPath = `${rootDir}/${entry.name}`;
+
+		if (predicate(fullPath)) {
+			fs.rmSync(fullPath, { recursive: true, force: true });
+		} else {
+			deleteMatchingDirs(fullPath, predicate);
+		}
+	}
+}
+
+function main() {
+	const mobileDir = `${__dirname}/..`;
+
+	// Standard Android build artefacts
+	fs.rmSync(`${mobileDir}/android/.gradle`, { recursive: true, force: true });
+	fs.rmSync(`${mobileDir}/android/build`, { recursive: true, force: true });
+	fs.rmSync(`${mobileDir}/android/app/build`, { recursive: true, force: true });
+	fs.rmSync(`${mobileDir}/android/.cxx`, { recursive: true, force: true });
+	fs.rmSync(`${mobileDir}/android/app/.cxx`, { recursive: true, force: true });
+
+	// React Native generated files that frequently break CMake/autolinking
+	fs.rmSync(`${mobileDir}/android/app/build/generated/autolinking`, { recursive: true, force: true });
+	fs.rmSync(`${mobileDir}/android/app/build/generated/source/codegen`, { recursive: true, force: true });
+
+	// iOS
+	// fs.rmSync(`${mobileDir}/ios/Pods`, { recursive: true, force: true });
+
+	// Delete all native module Android build artefacts
+	// Equivalent to:
+	// find . -path "*/node_modules/*/android/build" -type d -exec rm -rf {} + || true
+	// find . -path "*/node_modules/*/android/.cxx" -type d -exec rm -rf {} + || true
+	deleteMatchingDirs(mobileDir, p =>
+		p.includes('/node_modules/') && (
+			p.endsWith('/android/build') ||
+			p.endsWith('/android/.cxx')
+		),
+	);
+
+	console.info(
+		'Mobile app build artefacts cleaned.\n' +
+		'If you still see build issues, you may also need to clear ~/.gradle/caches and ~/.android.',
+	);
+}
+
+try {
+	main();
+} catch (error) {
+	console.error('Could not clean mobile app build', error);
+	process.exit(1);
+}