lepu-test-platform-web/node_modules/clean-css/lib/optimizer/level-2/properties/find-component-in.js

41 lines
953 B
JavaScript

var compactable = require('../compactable');
function findComponentIn(shorthand, longhand) {
var comparator = nameComparator(longhand);
return findInDirectComponents(shorthand, comparator) || findInSubComponents(shorthand, comparator);
}
function nameComparator(to) {
return function (property) {
return to.name === property.name;
};
}
function findInDirectComponents(shorthand, comparator) {
return shorthand.components.filter(comparator)[0];
}
function findInSubComponents(shorthand, comparator) {
var shorthandComponent;
var longhandMatch;
var i, l;
if (!compactable[shorthand.name].shorthandComponents) {
return;
}
for (i = 0, l = shorthand.components.length; i < l; i++) {
shorthandComponent = shorthand.components[i];
longhandMatch = findInDirectComponents(shorthandComponent, comparator);
if (longhandMatch) {
return longhandMatch;
}
}
return;
}
module.exports = findComponentIn;