subcollection/dist/helpers/getCLSDebugData.js

A collection of scripts to send Core Web Vital data to GA4

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getCLSDebugData = getCLSDebugData;

var _getLargestLayoutShiftEntry = require("./getLargestLayoutShiftEntry");

var _getLargestLayoutShiftSource = require("./getLargestLayoutShiftSource");

var _getSelector = require("./getSelector");

/**
 * Get CLS data for the debug snippet
 *
 * @param entries CLS entries
 */
function getCLSDebugData(entries) {
  var largestEntry = (0, _getLargestLayoutShiftEntry.getLargestLayoutShiftEntry)(entries);

  if (largestEntry && largestEntry.sources && largestEntry.sources.length) {
    var largestSource = (0, _getLargestLayoutShiftSource.getLargestLayoutShiftSource)(largestEntry.sources);

    if (largestSource) {
      return {
        debug_target: (0, _getSelector.getSelector)(largestSource.node),
        event_time: largestEntry.startTime
      };
    }
  }

  return {
    debug_target: '(not set)'
  };
}