Function calculateRowSpans

static/word2md/mammoth.browser.js:1160–1205

(rows)

    }
    
    function calculateRowSpans(rows) {
        var unexpectedNonRows = _.any(rows, function(row) {
            return row.type !== documents.types.tableRow;
        });
        if (unexpectedNonRows) {
            return elementResultWithMessages(rows, [warning(
                "unexpected non-row element in table, cell merging may be incorrect"
            )]);
        }
        var unexpectedNonCells = _.any(rows, function(row) {
            return _.any(row.children, function(cell) {
                return cell.type !== documents.types.tableCell;
            });
        });
        if (unexpectedNonCells) {
            return elementResultWithMessages(rows, [warning(
                "unexpected non-cell element in table row, cell merging may be incorrect"
            )]);
        }
        
        var columns = {};
        
        rows.forEach(function(row) {
            var cellIndex = 0;
            row.children.forEach(function(cell) {
                if (cell._vMerge && columns[cellIndex]) {
                    columns[cellIndex].rowSpan++;
                } else {
                    columns[cellIndex] = cell;
                    cell._vMerge = false;
                }
                cellIndex += cell.colSpan;
            });
        });
        
        rows.forEach(function(row) {
            row.children = row.children.filter(function(cell) {
                return !cell._vMerge;
            });
            row.children.forEach(function(cell) {
                delete cell._vMerge;
            });
        });
        
        return elementResult(rows);
    }

    function readDrawingElement(element) {
        var blips = element