'use strict';

module.exports = function findAlignment(item) {
	if (item.tags == null) {
		return null;
	} else {
		let alignmentTags = item.tags.filter(tag => tag.type === "alignment");

		if (alignmentTags.length > 0) {
			/* We always want the last-specified alignment tag. */
			// FIXME: Throw an error upon encountering nested alignment tags...
			return alignmentTags[alignmentTags.length - 1].alignment;
		} else {
			return null;
		}
	}
};