Spaces:
Sleeping
Sleeping
var isMergeable = require('./is-mergeable'); | |
var optimizeProperties = require('./properties/optimize'); | |
var sortSelectors = require('../level-1/sort-selectors'); | |
var tidyRules = require('../level-1/tidy-rules'); | |
var OptimizationLevel = require('../../options/optimization-level').OptimizationLevel; | |
var serializeBody = require('../../writer/one-time').body; | |
var serializeRules = require('../../writer/one-time').rules; | |
var Token = require('../../tokenizer/token'); | |
function mergeAdjacent(tokens, context) { | |
var lastToken = [null, [], []]; | |
var options = context.options; | |
var adjacentSpace = options.compatibility.selectors.adjacentSpace; | |
var selectorsSortingMethod = options.level[OptimizationLevel.One].selectorsSortingMethod; | |
var mergeablePseudoClasses = options.compatibility.selectors.mergeablePseudoClasses; | |
var mergeablePseudoElements = options.compatibility.selectors.mergeablePseudoElements; | |
var mergeLimit = options.compatibility.selectors.mergeLimit; | |
var multiplePseudoMerging = options.compatibility.selectors.multiplePseudoMerging; | |
for (var i = 0, l = tokens.length; i < l; i++) { | |
var token = tokens[i]; | |
if (token[0] != Token.RULE) { | |
lastToken = [null, [], []]; | |
continue; | |
} | |
if (lastToken[0] == Token.RULE && serializeRules(token[1]) == serializeRules(lastToken[1])) { | |
Array.prototype.push.apply(lastToken[2], token[2]); | |
optimizeProperties(lastToken[2], true, true, context); | |
token[2] = []; | |
} else if (lastToken[0] == Token.RULE && serializeBody(token[2]) == serializeBody(lastToken[2]) | |
&& isMergeable(serializeRules(token[1]), mergeablePseudoClasses, mergeablePseudoElements, multiplePseudoMerging) | |
&& isMergeable( | |
serializeRules(lastToken[1]), | |
mergeablePseudoClasses, | |
mergeablePseudoElements, | |
multiplePseudoMerging | |
) | |
&& lastToken[1].length < mergeLimit) { | |
lastToken[1] = tidyRules(lastToken[1].concat(token[1]), false, adjacentSpace, false, context.warnings); | |
lastToken[1] = lastToken.length > 1 ? sortSelectors(lastToken[1], selectorsSortingMethod) : lastToken[1]; | |
token[2] = []; | |
} else { | |
lastToken = token; | |
} | |
} | |
} | |
module.exports = mergeAdjacent; | |