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73 lines
1.9 KiB
73 lines
1.9 KiB
// This extractor is used in level 2 optimizations |
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// IMPORTANT: Mind Token class and this code is not related! |
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// Properties will be tokenized in one step, see #429 |
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var Token = require('../../tokenizer/token'); |
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var serializeRules = require('../../writer/one-time').rules; |
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var serializeValue = require('../../writer/one-time').value; |
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function extractProperties(token) { |
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var properties = []; |
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var inSpecificSelector; |
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var property; |
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var name; |
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var value; |
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var i, l; |
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if (token[0] == Token.RULE) { |
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inSpecificSelector = !/[\.\+>~]/.test(serializeRules(token[1])); |
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for (i = 0, l = token[2].length; i < l; i++) { |
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property = token[2][i]; |
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if (property[0] != Token.PROPERTY) |
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continue; |
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name = property[1][1]; |
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if (name.length === 0) |
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continue; |
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if (name.indexOf('--') === 0) |
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continue; |
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value = serializeValue(property, i); |
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properties.push([ |
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name, |
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value, |
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findNameRoot(name), |
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token[2][i], |
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name + ':' + value, |
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token[1], |
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inSpecificSelector |
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]); |
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} |
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} else if (token[0] == Token.NESTED_BLOCK) { |
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for (i = 0, l = token[2].length; i < l; i++) { |
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properties = properties.concat(extractProperties(token[2][i])); |
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} |
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} |
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return properties; |
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} |
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function findNameRoot(name) { |
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if (name == 'list-style') |
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return name; |
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if (name.indexOf('-radius') > 0) |
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return 'border-radius'; |
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if (name == 'border-collapse' || name == 'border-spacing' || name == 'border-image') |
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return name; |
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if (name.indexOf('border-') === 0 && /^border\-\w+\-\w+$/.test(name)) |
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return name.match(/border\-\w+/)[0]; |
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if (name.indexOf('border-') === 0 && /^border\-\w+$/.test(name)) |
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return 'border'; |
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if (name.indexOf('text-') === 0) |
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return name; |
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if (name == '-chrome-') |
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return name; |
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return name.replace(/^\-\w+\-/, '').match(/([a-zA-Z]+)/)[0].toLowerCase(); |
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} |
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module.exports = extractProperties;
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