conf_page_links_to_markdown.js

conf_page_links_to_markdown.js

function get_li_elts(ul) {
	var li_elts = Array.prototype.reduce.call(ul.children, function(acc, e) {
		if (e.tagName == 'LI')
			acc.push(e);
		return acc;
	}, []);

	console.log(li_elts);

	var li_infos = [];
	li_elts.forEach(function(elt){
		li_infos.push(get_li_info(elt));
	});

	return li_infos;
}

function get_li_info(li) {
	var info = {};

	var a_elt = Array.prototype.find.call(li.children, function(elt) {
		return elt.tagName == 'A';
	});

	console.log(a_elt);

	if (a_elt) {
		info.title = a_elt.textContent;
		info.link  = a_elt.href;
	}
	console.log(info);

	var children_ul = Array.prototype.find.call(li.children, function(elt) {
		return elt.tagName == 'UL'
	});
	console.log(children_ul);

	info.children = [];
	if (children_ul) {
		info.children = get_li_elts(children_ul);
	}

	console.log(info.children);
	return info;
}

function to_markdown(tree, deep = 0) {
	var deep = 0;
	var lines = [];
	tree.forEach(function (info){
		info_object_to_lines(info, lines, deep);
	});
	return lines.join('\n');
}

function info_object_to_lines(info, lines, deep=0) {
	lines.push(output_title_line(info, deep));
	output_children_lines(info, lines, deep+1);
}

function output_title_line(info, deep) {
	return make_indent(deep) + '- [ ] [' + info.title + '](' + info.link + ')'
}

function output_children_lines(info, lines, deep) {
	if (!info) return ;
	if (!info.children) return ;
	if (info.children.length == 0) return ;

	return info.children.map(child => info_object_to_lines(child, lines, deep))
}

function make_indent(deep) {
	return repeat('  ', deep);
}
function repeat(str, len) {
	return Array(len).fill(str, 0, len).join('');
}

var tree = get_li_elts(document.querySelector('div#tree-div > ul'));
var text = to_markdown(tree);
var pre = '<pre>' + text + '</pre>';
document.body.innerHTML = pre;