| 1 | var split = require('../utils/split');
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| 2 |
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| 3 | var BRACE_PREFIX = /^\(/;
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| 4 | var BRACE_SUFFIX = /\)$/;
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| 5 | var IMPORT_PREFIX_PATTERN = /^@import/i;
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| 6 | var QUOTE_PREFIX_PATTERN = /['"]\s{0,31}/;
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| 7 | var QUOTE_SUFFIX_PATTERN = /\s{0,31}['"]/;
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| 8 | var URL_PREFIX_PATTERN = /^url\(\s{0,31}/i;
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| 9 | var URL_SUFFIX_PATTERN = /\s{0,31}\)/i;
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| 10 |
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| 11 | function extractImportUrlAndMedia(atRuleValue) {
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| 12 | var uri;
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| 13 | var mediaQuery;
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| 14 | var normalized;
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| 15 | var parts;
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| 16 |
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| 17 | normalized = atRuleValue
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| 18 | .replace(IMPORT_PREFIX_PATTERN, '')
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| 19 | .trim()
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| 20 | .replace(URL_PREFIX_PATTERN, '(')
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| 21 | .replace(URL_SUFFIX_PATTERN, ') ')
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| 22 | .replace(QUOTE_PREFIX_PATTERN, '')
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| 23 | .replace(QUOTE_SUFFIX_PATTERN, '');
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| 24 |
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| 25 | parts = split(normalized, ' ');
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| 26 |
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| 27 | uri = parts[0]
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| 28 | .replace(BRACE_PREFIX, '')
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| 29 | .replace(BRACE_SUFFIX, '');
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| 30 | mediaQuery = parts.slice(1).join(' ');
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| 31 |
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| 32 | return [uri, mediaQuery];
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| 33 | }
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| 34 |
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| 35 | module.exports = extractImportUrlAndMedia;
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