subcollection/dist/helpers/getTTFBRating.js

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

"use strict";

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

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

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

  if (value <= 200) {
    return _getConstants.GOOD_SCORE;
  }

  if (value > 200 && value < 500) {
    return _getConstants.AVERAGE_SCORE;
  }

  return _getConstants.POOR_SCORE;
}