60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
(function (root, factory) {
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const filterCommands = factory();
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if (typeof module === 'object' && module.exports) module.exports = filterCommands;
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if (root) root.filterCommands = filterCommands;
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})(typeof globalThis !== 'undefined' ? globalThis : this, function () {
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function filterCommands(commands, filter) {
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const term = String(filter || '').toLowerCase();
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return commands.filter(command => command.name.toLowerCase().includes(term));
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}
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filterCommands.nextSelection = function nextSelection(current, key, count) {
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if (count < 1) return -1;
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if (key === 'ArrowDown') return (current + 1 + count) % count;
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if (key === 'ArrowUp') return (current - 1 + count) % count;
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return current;
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};
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filterCommands.createGlobalSearchController = function createGlobalSearchController(options) {
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const search = options.search;
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const onState = options.onState;
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const delay = options.delay === undefined ? 250 : options.delay;
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let timer = null;
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let generation = 0;
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let activeController = null;
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return {
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setQuery(value) {
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const query = String(value || '').trim();
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generation += 1;
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const current = generation;
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if (timer !== null) clearTimeout(timer);
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if (activeController !== null) activeController.abort();
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activeController = null;
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if (query.length < 2) {
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onState({ status: 'idle', query, items: [] });
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return;
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}
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onState({ status: 'loading', query, items: [] });
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timer = setTimeout(async () => {
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const requestController = new AbortController();
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activeController = requestController;
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try {
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const result = await search(query, requestController.signal);
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const items = Array.isArray(result) ? result : result.items;
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const partial = !Array.isArray(result) && result.partial === true;
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if (current === generation) onState({ status: 'ready', query, items, partial });
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} catch (error) {
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if (error && error.name === 'AbortError') return;
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if (current === generation) onState({ status: 'error', query, items: [], error });
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} finally {
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if (activeController === requestController) activeController = null;
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}
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}, delay);
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},
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};
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};
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return filterCommands;
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});
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