45 lines
1.3 KiB
JavaScript
45 lines
1.3 KiB
JavaScript
const hide = el => el.classList.add('d-none');
|
|
const show = el => el.classList.remove('d-none');
|
|
|
|
const setupCollapsibleInput = el => {
|
|
const collapsedEl = el.querySelector('.js-collapsed');
|
|
const expandedEl = el.querySelector('.js-expanded');
|
|
const collapsedInputEl = collapsedEl.querySelector('textarea,input,select');
|
|
const expandedInputEl = expandedEl.querySelector('textarea,input,select');
|
|
const formEl = el.closest('form');
|
|
|
|
const collapse = () => {
|
|
hide(expandedEl);
|
|
show(collapsedEl);
|
|
};
|
|
|
|
const expand = () => {
|
|
hide(collapsedEl);
|
|
show(expandedEl);
|
|
};
|
|
|
|
// NOTE:
|
|
// We add focus listener to all form inputs so that we can collapse
|
|
// when something is focused that's not the expanded input.
|
|
formEl.addEventListener('focusin', e => {
|
|
if (e.target === collapsedInputEl) {
|
|
expand();
|
|
expandedInputEl.focus();
|
|
} else if (!el.contains(e.target) && !expandedInputEl.value) {
|
|
collapse();
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Usage in HAML
|
|
*
|
|
* .js-collapsible-input
|
|
* .js-collapsed{ class: ('d-none' if is_expanded) }
|
|
* = input
|
|
* .js-expanded{ class: ('d-none' if !is_expanded) }
|
|
* = big_input
|
|
*/
|
|
export default () => {
|
|
Array.from(document.querySelectorAll('.js-collapsible-input')).forEach(setupCollapsibleInput);
|
|
};
|