Function flattenTree

src/lib/fileList.js:207–223

* Get all files * @param {Tree} tree * @param {(item:Tree)=>object} transform

(tree, transform, listedDirs)

 * @param {(item:Tree)=>object} transform
 */
function flattenTree(tree, transform, listedDirs) {
	const list = [];
	const { children } = tree;
	if (!children) {
		return [transform(tree)];
	}

	if (listedDirs.includes(tree.url)) return list;

	listedDirs.push(tree.url);

	children.forEach((item) => {
		if (item.children) list.push(...flattenTree(item, transform, listedDirs));
		else list.push(transform(item));
	});
	return list;
}

/**
 * Called when a folder is added