| 'use strict'; | |
| const keywordSets = require('../reference/keywordSets'); | |
| /** | |
| * Check whether a string is a keyframe selector. | |
| * | |
| * @param {string} selector | |
| * @returns {boolean} | |
| */ | |
| module.exports = function (selector) { | |
| if (keywordSets.keyframeSelectorKeywords.has(selector)) { | |
| return true; | |
| } | |
| // Percentages | |
| if (/^(?:\d+\.?\d*|\d*\.?\d+)%$/.test(selector)) { | |
| return true; | |
| } | |
| return false; | |
| }; |