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19 changes: 17 additions & 2 deletions frontend/src/lib/components/Forms/AutocompleteSelect.svelte
Original file line number Diff line number Diff line change
Expand Up @@ -62,9 +62,24 @@

const default_value = nullable ? null : selectedValues[0];

function arraysEqual(arr1: (string | undefined)[], arr2: (string | undefined)[]) {
if (arr1?.length !== arr2?.length) return false;

const set1 = new Set(arr1);
const set2 = new Set(arr2);

for (const value of set1) {
if (!set2.has(value)) return false;
}

return true;
}

$: {
$value = multiple ? selectedValues : (selectedValues[0] ?? default_value);
handleSelectChange();
if (!arraysEqual(selectedValues, $value)) {
$value = multiple ? selectedValues : (selectedValues[0] ?? default_value);
handleSelectChange();
}
}

$: disabled = selected.length && options.length === 1 && $constraints?.required;
Expand Down