@atlaskit/editor-plugin-alignment/dist/esm/pm-plugins/utils/index.js

Alignment plugin for @atlaskit/editor-core

import { findParentNodeOfType } from '@atlaskit/editor-prosemirror/utils';
import { CellSelection } from '@atlaskit/editor-tables/cell-selection';
export var getActiveAlignment = function getActiveAlignment(state) {
  if (state.selection instanceof CellSelection) {
    var marks = [];
    state.selection.forEachCell(function (cell) {
      // Ignored via go/ees005
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      var mark = cell.firstChild.marks.filter(function (mark) {
        return mark.type === state.schema.marks.alignment;
      })[0];
      marks.push(mark ? mark.attrs.align : 'start');
    });
    return marks.every(function (mark) {
      return mark === marks[0];
    }) ? marks[0] : 'start';
  }
  var node = findParentNodeOfType([state.schema.nodes.paragraph, state.schema.nodes.heading])(state.selection);
  var getMark = node && node.node.marks.filter(function (mark) {
    return mark.type === state.schema.marks.alignment;
  })[0];
  return getMark && getMark.attrs.align || 'start';
};