@atlaskit/editor-common/dist/es2019/guideline/updateGuideline.js

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

const activeGuidelineStyle = guideline => ({
  ...guideline,
  active: true,
  show: true
});
export const getGuidelinesWithHighlights = (gap, maxGap, activeGuidelineKeys, guidelines) => {
  if (activeGuidelineKeys.length) {
    return guidelines.map(guideline => {
      if (activeGuidelineKeys.includes(guideline.key) && gap < maxGap) {
        return activeGuidelineStyle(guideline);
      }
      return guideline;
    });
  } else {
    return guidelines;
  }
};