RP_Search/app/static/js/keyboard.js

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JavaScript
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2024-11-06 10:01:28 +00:00
(function () {
let searchBar, results;
let shift = false;
const keymap = {
ArrowUp: goUp,
ArrowDown: goDown,
ShiftTab: goUp,
Tab: goDown,
k: goUp,
j: goDown,
'/': focusSearch,
};
let activeIdx = -1;
document.addEventListener('DOMContentLoaded', () => {
searchBar = document.querySelector('#search-bar');
results = document.querySelectorAll('#main>div>div>div>a');
});
document.addEventListener('keydown', (e) => {
if (e.key === 'Shift') {
shift = true;
}
if (e.target.tagName === 'INPUT') return true;
if (typeof keymap[e.key] === 'function') {
e.preventDefault();
keymap[`${shift && e.key == 'Tab' ? 'Shift' : ''}${e.key}`]();
}
});
document.addEventListener('keyup', (e) => {
if (e.key === 'Shift') {
shift = false;
}
});
function goUp () {
if (activeIdx > 0) focusResult(activeIdx - 1);
else focusSearch();
}
function goDown () {
if (activeIdx < results.length - 1) focusResult(activeIdx + 1);
}
function focusResult (idx) {
activeIdx = idx;
results[activeIdx].scrollIntoView({ behavior: 'smooth', block: 'center', inline: 'nearest' });
results[activeIdx].focus();
}
function focusSearch () {
if (window.usingCalculator) {
// if this function exists, it means the calculator widget has been displayed
if (usingCalculator()) return;
}
activeIdx = -1;
searchBar.focus();
}
}());