| 'use strict'; | |
| const MATH_FUNCTIONS = require('../reference/mathFunctions'); | |
| /** | |
| * Check whether a node is math function | |
| * | |
| * @param {import('postcss-value-parser').Node} node postcss-value-parser node | |
| * @return {boolean} If `true`, the node is math function | |
| */ | |
| module.exports = function isMathFunction(node) { | |
| return node.type === 'function' && MATH_FUNCTIONS.includes(node.value.toLowerCase()); | |
| }; |