@atlaskit/editor-common/dist/es2019/utils/table.js

A package that contains common classes and components for editor and renderer

export function calcTableColumnWidths(node) {
  let tableColumnWidths = [];
  const firstRow = node.firstChild;
  if (firstRow) {
    // Sanity validation, but it should always have a first row
    // Iterate for the cells in the first row
    firstRow.forEach(colNode => {
      let colwidth = colNode.attrs.colwidth || [0];

      // If we have colwidth, we added it
      if (colwidth) {
        tableColumnWidths = [...tableColumnWidths, ...colwidth];
      }
    });
  }
  return tableColumnWidths;
}
export function hasMergedCell(tableNode) {
  let hasSpan = false;
  tableNode.descendants(node => {
    if (node.type.name === 'tableRow') {
      return true;
    }
    const {
      colspan,
      rowspan
    } = node.attrs;
    if (colspan > 1 || rowspan > 1) {
      hasSpan = true;
    }
    return false;
  });
  return hasSpan;
}
export function convertProsemirrorTableNodeToArrayOfRows(tableNode) {
  const result = [];
  tableNode.forEach(rowNode => {
    if (rowNode.type.name === 'tableRow') {
      const row = [];
      rowNode.forEach(n => row.push(n));
      result.push(row);
    }
  });
  return result;
}

/*
  isPositionNearTableRow()
  Returns true when a sibling node, or any  of the parent's sibling
  nodes are a tableRow
 */
export function isPositionNearTableRow(pos, schema, direction) {
  if (!schema.nodes.tableRow) {
    return false;
  }
  let doc = pos.doc;
  let resolved = pos;
  const sibling = direction === 'before' ? 'nodeBefore' : 'nodeAfter';
  while (resolved.depth > 0) {
    var _resolved$sibling;
    const siblingType = (_resolved$sibling = resolved[sibling]) === null || _resolved$sibling === void 0 ? void 0 : _resolved$sibling.type;
    if (siblingType === schema.nodes.tableRow) {
      return true;
    }
    resolved = doc.resolve(resolved[direction]());
  }
  return false;
}