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- 'use strict';
- const hasInterpolation = require('../utils/hasInterpolation');
- /**
- * Check whether a media feature is standard
- *
- * @param {string} mediaFeature
- * @returns {boolean}
- */
- module.exports = function (mediaFeature) {
- // Remove outside parens
- mediaFeature = mediaFeature.slice(1, -1);
- // Parentheticals used for non-standard operations e.g. ($var - 10)
- if (mediaFeature.includes('(')) {
- return false;
- }
- // SCSS or Less interpolation
- if (hasInterpolation(mediaFeature)) {
- return false;
- }
- return true;
- };
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