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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 7x 7x 3x 12x 12x 12x 12x 12x 12x 4x 4x 12x 3x 3x 12x 20x 3x 3x 17x 4x 11x | 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);
};
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