36 lines
874 B
JavaScript
36 lines
874 B
JavaScript
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var split = require('../utils/split');
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var BRACE_PREFIX = /^\(/;
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var BRACE_SUFFIX = /\)$/;
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var IMPORT_PREFIX_PATTERN = /^@import/i;
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var QUOTE_PREFIX_PATTERN = /['"]\s{0,31}/;
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var QUOTE_SUFFIX_PATTERN = /\s{0,31}['"]/;
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var URL_PREFIX_PATTERN = /^url\(\s{0,31}/i;
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var URL_SUFFIX_PATTERN = /\s{0,31}\)/i;
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function extractImportUrlAndMedia(atRuleValue) {
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var uri;
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var mediaQuery;
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var stripped;
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var parts;
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stripped = atRuleValue
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.replace(IMPORT_PREFIX_PATTERN, '')
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.trim()
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.replace(URL_PREFIX_PATTERN, '(')
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.replace(URL_SUFFIX_PATTERN, ')')
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.replace(QUOTE_PREFIX_PATTERN, '')
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.replace(QUOTE_SUFFIX_PATTERN, '');
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parts = split(stripped, ' ');
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uri = parts[0]
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.replace(BRACE_PREFIX, '')
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.replace(BRACE_SUFFIX, '');
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mediaQuery = parts.slice(1).join(' ');
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return [uri, mediaQuery];
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}
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module.exports = extractImportUrlAndMedia;
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