// NOTICE: This file is generated by Rollup. To modify it, // please instead edit the ESM counterpart and rebuild with Rollup (npm run build). 'use strict'; const hasLessInterpolation = require('./hasLessInterpolation.cjs'); const hasPsvInterpolation = require('./hasPsvInterpolation.cjs'); const hasScssInterpolation = require('./hasScssInterpolation.cjs'); const hasTplInterpolation = require('./hasTplInterpolation.cjs'); const IS_LESS_VARIABLE_IN_URL = /^@@?[\w-]+$/; const IS_SCSS_VARIABLE_IN_URL = /^[$\s\w+\-,./*'"@#?]+$/; /** * Check whether a URL is standard * * @param {string} url * @returns {boolean} */ function isStandardSyntaxUrl(url) { if (url.length === 0) { return true; } // Sass interpolation works anywhere if (hasScssInterpolation(url) || hasTplInterpolation(url) || hasPsvInterpolation(url)) { return false; } // Inside `'` and `"` work only LESS interpolation if ((url.startsWith(`'`) && url.endsWith(`'`)) || (url.startsWith(`"`) && url.endsWith(`"`))) { if (hasLessInterpolation(url)) { return false; } return true; } // Less variable works only at the beginning // Check is less variable, allow use '@url/some/path' // https://github.com/less/less.js/blob/3.x/lib/less/parser/parser.js#L547 if (url.startsWith('@') && IS_LESS_VARIABLE_IN_URL.test(url)) { return false; } // In url without quotes scss variable can be everywhere // But in this case it is allowed to use only specific characters // Also forbidden "/" at the end of url if (url.includes('$') && IS_SCSS_VARIABLE_IN_URL.test(url) && !url.endsWith('/')) { return false; } return true; } module.exports = isStandardSyntaxUrl;