parse-make-comment-blocks.js

module.exports = function parseMakeCommentBlocks(text) {
	const lines = text.split('\n');
	return lines.reduce((blocks, line, i) => {
		const lastBlock = blocks[blocks.length - 1];
		if(line[0] === '#') {
			const trimmedLine = line.slice(1).trim();
			
			if(!lastBlock || lastBlock.nextLine) {
				return blocks.concat({
					comment: trimmedLine,
				});
			}

			lastBlock.comment += '\n' + trimmedLine;
			return blocks;
		}

		if(lastBlock && !lastBlock.nextLine) {
			lastBlock.nextLine = line;
			lastBlock.lineNumber = i + 1;
		}

		return blocks;
	}, []);
}