Page: Use OPTGROUP in SELECT

This commit is contained in:
Joshua Bell 2023-09-21 21:39:20 -07:00
parent aee6b4665f
commit ec3a771fdc

View File

@ -64,19 +64,24 @@ By <a target=_blank href="mailto:inexorabletash@gmail.com">Joshua Bell</a>
})
.then(text => {
const select = document.querySelector('#lb_files');
let group;
text.split(/\r?\n/g).forEach(line => {
line = line.replace(/^\s+|\s+$/, '');
if (!line.length) return;
if (line.startsWith('#')) {
line = line.replace(/^#\s+/, '');
select.appendChild(Object.assign(
document.createElement('option'),
{disabled: true, innerText: line }));
if (line.startsWith('___')) {
select.appendChild(document.createElement('hr'));
} else {
group = Object.assign(document.createElement('optgroup'),
{label: line});
select.appendChild(group);
}
} else {
const match = line.match(/^(\S+)\s+(.*)$/);
select.appendChild(Object.assign(
group.appendChild(Object.assign(
document.createElement('option'),
{value: match[1], innerText: '\xA0\xA0' + match[2]}));
{value: match[1], innerText: match[2]}));
}
});
});