subcollection/dist/helpers/getFCPRating.js

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

"use strict";

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

var _getConstants = require("./getConstants");

/**
 * getFCPRating
 * Determines whether a FCP score is good, average, or poor.
 *
 * @param {number} value value of the FCP metric
 * @returns {string} the string value rating
 */
function getFCPRating(value) {
  if (value < 0 || typeof value !== 'number') {
    return _getConstants.NO_RATING;
  }

  if (value <= 1800) {
    return _getConstants.GOOD_SCORE;
  }

  if (value > 1800 && value < 3000) {
    return _getConstants.AVERAGE_SCORE;
  }

  return _getConstants.POOR_SCORE;
}