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/**
* @file
* Module page behaviors.
*/
(function ($, Drupal, debounce) {
/**
* Filters the module list table by a text input search string.
*
* Additionally accounts for multiple tables being wrapped in "package" details
* elements.
*
* Text search input: input.table-filter-text
* Target table: input.table-filter-text[data-table]
* Source text: .table-filter-text-source, .module-name, .module-description
*
* @type {Drupal~behavior}
*/
Drupal.behaviors.tableFilterByText = {
attach(context, settings) {
const [input] = once('table-filter-text', 'input.table-filter-text');
if (!input) {
return;
}
const $table = $(input.getAttribute('data-table'));
let $rowsAndDetails;
let $rows;
let $details;
let searching = false;
function hidePackageDetails(index, element) {
const $packDetails = $(element);
const $visibleRows = $packDetails.find('tbody tr:visible');
$packDetails.toggle($visibleRows.length > 0);
}
function filterModuleList(e) {
const query = e.target.value;
// Case insensitive expression to find query at the beginning of a word.
const re = new RegExp(`\\b${query}`, 'i');
function showModuleRow(index, row) {
const sources = row.querySelectorAll(
'.table-filter-text-source, .module-name, .module-description',
);
let sourcesConcat = '';
// Concatenate the textContent of the elements in the row, with a
// space in between.
sources.forEach((item) => {
sourcesConcat += ` ${item.textContent}`;
});
const textMatch = sourcesConcat.search(re) !== -1;
$(row).closest('tr').toggle(textMatch);
}
// Search over all rows and packages.
$rowsAndDetails.show();
// Filter if the length of the query is at least 2 characters.
if (query.length >= 2) {
searching = true;
$rows.each(showModuleRow);
// Note that we first open all <details> to be able to use ':visible'.
// Mark the <details> elements that were closed before filtering, so
// they can be closed again when filtering is removed.
$details
.not('[open]')
.attr('data-drupal-system-state', 'forced-open');
// Hide the package <details> if they don't have any visible rows.
// Note that we first show() all <details> to be able to use ':visible'.
$details.attr('open', true).each(hidePackageDetails);
Drupal.announce(
Drupal.formatPlural(
$rowsAndDetails.filter('tbody tr:visible').length,
'1 module is available in the modified list.',
'@count modules are available in the modified list.',
),
);
} else if (searching) {
searching = false;
$rowsAndDetails.show();
// Return <details> elements that had been closed before filtering
// to a closed state.
$details
.filter('[data-drupal-system-state="forced-open"]')
.removeAttr('data-drupal-system-state')
.attr('open', false);
}
}
function preventEnterKey(event) {
if (event.which === 13) {
event.preventDefault();
event.stopPropagation();
}
}
if ($table.length) {
$rowsAndDetails = $table.find('tr, details');
$rows = $table.find('tbody tr');
$details = $rowsAndDetails.filter('.package-listing');
$(input).on({
input: debounce(filterModuleList, 200),
keydown: preventEnterKey,
});
}
},
};
})(jQuery, Drupal, Drupal.debounce);
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