export function bundleMetaDataFiles()

in src/main.ts [122:161]

• 40 lines of code
• 7 McCabe index (conditional complexity)

export function bundleMetaDataFiles(id: string, outDir: string): ThroughStream {
	let base: string | undefined = undefined;
	const bundler = new MetaDataBundler(id, outDir);
	return through(function (this: ThroughStream, file: File) {
		const basename = path.basename(file.relative);
		if (basename.length < NLS_METADATA_JSON.length || NLS_METADATA_JSON !== basename.substr(basename.length - NLS_METADATA_JSON.length)) {
			this.queue(file);
			return;
		}
		if (file.isBuffer()) {
			if (!base) {
				base = file.base;
			}
		} else {
			this.emit('error', `Failed to bundle file: ${file.relative}`);
			return;
		}
		if (!base) {
			base = file.base;
		}
		const buffer: Buffer = file.contents as Buffer;
		const json: SingleMetaDataFile = JSON.parse(buffer.toString('utf8'));
		bundler.add(json);
	}, function () {
		if (base) {
			const [header, content] = bundler.bundle();
			this.queue(new File({
				base: base,
				path: path.join(base, 'nls.metadata.header.json'),
				contents: new Buffer(JSON.stringify(header), 'utf8')
			}));
			this.queue(new File({
				base: base,
				path: path.join(base, 'nls.metadata.json'),
				contents: new Buffer(JSON.stringify(content), 'utf8')
			}));
		}
		this.queue(null);
	});
}