@atlaskit/editor-plugin-table/dist/es2019/pm-plugins/utils/guidelines.js

Table plugin for the @atlaskit/editor

import { createFixedGuidelinesFromLengths } from '@atlaskit/editor-common/guideline';
import { calculateDefaultSnappings, calculateDefaultTablePreserveSnappings } from './snapping';

// NOTE: We have to take 1 pixel off every length due to the fact that the tbody is 1px smaller then the table container.
// If we don't do this then the guidelines will not align correctly to the edge of the table
export const defaultGuidelines = createFixedGuidelinesFromLengths([0, ...calculateDefaultSnappings(-1)]);
export const PRESERVE_TABLE_GUIDELINES_LENGTH_OFFSET = -1;
export const defaultGuidelinesForPreserveTable = (lengthOffset, editorContainerWidth, exclude = {
  innerGuidelines: false,
  breakoutPoints: false
}) => {
  const lengths = calculateDefaultTablePreserveSnappings(lengthOffset,
  // was hardcoded to -1 here, created PRESERVE_TABLE_GUIDELINES_LENGTH_OFFSET instead.
  editorContainerWidth, exclude);
  return createFixedGuidelinesFromLengths(lengths, undefined, true);
};