@wordpress/block-editor/build-module/components/grid/use-get-number-of-blocks-before-cell.mjs

Generic block editor.

// packages/block-editor/src/components/grid/use-get-number-of-blocks-before-cell.js
import { useSelect } from "@wordpress/data";
import { store as blockEditorStore } from "../../store/index.mjs";
function useGetNumberOfBlocksBeforeCell(gridClientId, numColumns) {
  const { getBlockOrder, getBlockAttributes } = useSelect(blockEditorStore);
  const getNumberOfBlocksBeforeCell = (column, row) => {
    const targetIndex = (row - 1) * numColumns + column - 1;
    let count = 0;
    for (const clientId of getBlockOrder(gridClientId)) {
      const { columnStart, rowStart } = getBlockAttributes(clientId).style?.layout ?? {};
      const cellIndex = (rowStart - 1) * numColumns + columnStart - 1;
      if (cellIndex < targetIndex) {
        count++;
      }
    }
    return count;
  };
  return getNumberOfBlocksBeforeCell;
}
export {
  useGetNumberOfBlocksBeforeCell
};
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