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24 lines
524 B
JavaScript
24 lines
524 B
JavaScript
/* @flow */
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"use strict"
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const hasInterpolation = require("../utils/hasInterpolation")
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/**
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* Check whether a media feature is standard
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*/
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module.exports = function (mediaFeature/*: string*/)/*: boolean*/ {
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// Remove outside parens
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mediaFeature = mediaFeature.slice(1, -1)
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// Parentheticals used for non-standard operations e.g. ($var - 10)
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if (mediaFeature.indexOf("(") !== -1) {
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return false
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}
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// SCSS or Less interpolation
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if (hasInterpolation(mediaFeature)) {
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return false
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}
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return true
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}
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