@trellixio/roaster-coffee/esm/components/Table/utils/table/hooks.js

Beans' product component library

import { useContext, useCallback } from 'react';
import { SelectionType, SELECT_ALL_ITEMS } from './types.js';
import { TableContext, TableSelectionChangeContext, TableRowContext } from './context.js';

function useTableSelectionChange() {
  const onSelectionChange = useContext(TableSelectionChangeContext);
  if (!onSelectionChange) {
    throw new Error(`Missing TableProvider context`);
  }
  return onSelectionChange;
}
function useTableRow() {
  const tableRow = useContext(TableRowContext);
  if (!tableRow) {
    throw new Error(`Missing TableProvider context`);
  }
  return tableRow;
}
function useTableValue() {
  const table = useContext(TableContext);
  if (!table) {
    throw new Error(`Missing TableProvider context`);
  }
  return table;
}
function useBulkSelectionData({ selectedItemsCount, itemCount }) {
  const selectable = Boolean(selectedItemsCount);
  const selectMode = selectedItemsCount === "All" || selectedItemsCount > 0;
  let bulkSelectState = "indeterminate";
  if (!selectedItemsCount || selectedItemsCount === 0) {
    bulkSelectState = void 0;
  } else if (selectedItemsCount === SELECT_ALL_ITEMS || selectedItemsCount === itemCount) {
    bulkSelectState = true;
  }
  return {
    selectMode,
    bulkSelectState,
    selectable
  };
}
function useHandleBulkSelection({ onSelectionChange = () => {
} }) {
  const handleSelectionChange = useCallback(
    (selectionType, selection) => {
      if (selectionType === SelectionType.Single) {
        onSelectionChange(SelectionType.Single, selection);
      } else if (selectionType === SelectionType.Page || selectionType === SelectionType.All) {
        onSelectionChange(selectionType, SELECT_ALL_ITEMS);
      }
    },
    [onSelectionChange]
  );
  return handleSelectionChange;
}

export { useBulkSelectionData, useHandleBulkSelection, useTableRow, useTableSelectionChange, useTableValue };
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