trilium/src/public/javascripts/services/search_tree.js

import treeService from './tree.js';
import server from './server.js';

const $tree = $("#tree");
const $searchInput = $("input[name='search-text']");
const $resetSearchButton = $("#reset-search-button");
const $doSearchButton = $("#do-search-button");
const $saveSearchButton = $("#save-search-button");
const $searchBox = $("#search-box");

function toggleSearch() {
    if ($searchBox.is(":hidden")) {
        $searchBox.show();
        $searchInput.focus();
    }
    else {
        resetSearch();

        $searchBox.hide();
    }
}

function resetSearch() {
    $searchInput.val("");

    getTree().clearFilter();
}

function getTree() {
    return $tree.fancytree('getTree');
}

async function doSearch() {
    const searchText = $searchInput.val();

    const noteIds = await server.get('search/' + encodeURIComponent(searchText));

    for (const noteId of noteIds) {
        await treeService.expandToNote(noteId, {noAnimation: true, noEvents: true});
    }

    // Pass a string to perform case insensitive matching
    getTree().filterBranches(node => noteIds.includes(node.data.noteId));
}

async function saveSearch() {
    const {noteId} = await server.post('search/' + encodeURIComponent($searchInput.val()));

    resetSearch();

    await treeService.reload();

    await treeService.activateNode(noteId);
}

$searchInput.keyup(e => {
    const searchText = $searchInput.val();

    if (e && e.which === $.ui.keyCode.ESCAPE || $.trim(searchText) === "") {
        $resetSearchButton.click();
        return;
    }

    if (e && e.which === $.ui.keyCode.ENTER) {
        doSearch();
    }
}).focus();

$doSearchButton.click(doSearch);
$resetSearchButton.click(resetSearch);

$saveSearchButton.click(saveSearch);

export default {
    toggleSearch
};