/
filter-data.ts
57 lines (49 loc) · 1.23 KB
/
filter-data.ts
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import type { SelectItem } from '../types';
interface FilterData {
data: SelectItem[];
limit: number;
searchable: boolean;
searchValue: string;
filterDataOnExactSearchMatch: boolean;
value: string;
filter(value: string, item: SelectItem): boolean;
}
export function filterData({
data,
searchable,
limit,
searchValue,
filter,
value,
filterDataOnExactSearchMatch,
}: FilterData) {
if (!searchable) {
return data;
}
const selected = value != null ? data.find((item) => item.value === value) || null : null;
if (selected && !filterDataOnExactSearchMatch && selected?.label === searchValue) {
if (limit) {
if (limit >= data.length) {
return data;
}
const firstIndex = data.indexOf(selected);
const lastIndex = firstIndex + limit;
const firstIndexOffset = lastIndex - data.length;
if (firstIndexOffset > 0) {
return data.slice(firstIndex - firstIndexOffset);
}
return data.slice(firstIndex, lastIndex);
}
return data;
}
const result = [];
for (let i = 0; i < data.length; i += 1) {
if (filter(searchValue, data[i])) {
result.push(data[i]);
}
if (result.length >= limit) {
break;
}
}
return result;
}