init

src/sections/user/utils.ts

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+import type { UserProps } from './user-table-row';
+
+// ----------------------------------------------------------------------
+
+export const visuallyHidden = {
+  border: 0,
+  margin: -1,
+  padding: 0,
+  width: '1px',
+  height: '1px',
+  overflow: 'hidden',
+  position: 'absolute',
+  whiteSpace: 'nowrap',
+  clip: 'rect(0 0 0 0)',
+} as const;
+
+// ----------------------------------------------------------------------
+
+export function emptyRows(page: number, rowsPerPage: number, arrayLength: number) {
+  return page ? Math.max(0, (1 + page) * rowsPerPage - arrayLength) : 0;
+}
+
+// ----------------------------------------------------------------------
+
+function descendingComparator<T>(a: T, b: T, orderBy: keyof T) {
+  if (b[orderBy] < a[orderBy]) {
+    return -1;
+  }
+  if (b[orderBy] > a[orderBy]) {
+    return 1;
+  }
+  return 0;
+}
+
+// ----------------------------------------------------------------------
+
+export function getComparator<Key extends keyof any>(
+  order: 'asc' | 'desc',
+  orderBy: Key
+): (
+  a: {
+    [key in Key]: number | string;
+  },
+  b: {
+    [key in Key]: number | string;
+  }
+) => number {
+  return order === 'desc'
+    ? (a, b) => descendingComparator(a, b, orderBy)
+    : (a, b) => -descendingComparator(a, b, orderBy);
+}
+
+// ----------------------------------------------------------------------
+
+type ApplyFilterProps = {
+  inputData: UserProps[];
+  filterName: string;
+  comparator: (a: any, b: any) => number;
+};
+
+export function applyFilter({ inputData, comparator, filterName }: ApplyFilterProps) {
+  const stabilizedThis = inputData.map((el, index) => [el, index] as const);
+
+  stabilizedThis.sort((a, b) => {
+    const order = comparator(a[0], b[0]);
+    if (order !== 0) return order;
+    return a[1] - b[1];
+  });
+
+  inputData = stabilizedThis.map((el) => el[0]);
+
+  if (filterName) {
+    inputData = inputData.filter(
+      (user) => user.name.toLowerCase().indexOf(filterName.toLowerCase()) !== -1
+    );
+  }
+
+  return inputData;
+}