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import $ from 'jquery';
import {generateAriaId} from './base.js';
const ariaPatchKey = '_giteaAriaPatchCheckbox';
const fomanticCheckboxFn = $.fn.checkbox;
// use our own `$.fn.checkbox` to patch Fomantic's checkbox module
export function initAriaCheckboxPatch() {
if ($.fn.checkbox === ariaCheckboxFn) throw new Error('initAriaCheckboxPatch could only be called once');
$.fn.checkbox = ariaCheckboxFn;
ariaCheckboxFn.settings = fomanticCheckboxFn.settings;
}
// the patched `$.fn.checkbox` checkbox function
// * it does the one-time attaching on the first call
function ariaCheckboxFn(...args) {
const ret = fomanticCheckboxFn.apply(this, args);
for (const el of this) {
if (el[ariaPatchKey]) continue;
attachInit(el);
}
return ret;
}
function attachInit(el) {
// Fomantic UI checkbox needs to be something like: <div class="ui checkbox"><label /><input /></div>
// It doesn't work well with <label><input />...</label>
// To make it work with aria, the "id"/"for" attributes are necessary, so add them automatically if missing.
// In the future, refactor to use native checkbox directly, then this patch could be removed.
el[ariaPatchKey] = {}; // record that this element has been patched
const label = el.querySelector('label');
const input = el.querySelector('input');
if (!label || !input || input.getAttribute('id')) return;
const id = generateAriaId();
input.setAttribute('id', id);
label.setAttribute('for', id);
}
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