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