41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
(function() {
|
|
var Keyframes, Prefixer,
|
|
__hasProp = {}.hasOwnProperty,
|
|
__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
|
|
|
|
Prefixer = require('./prefixer');
|
|
|
|
Keyframes = (function(_super) {
|
|
__extends(Keyframes, _super);
|
|
|
|
function Keyframes() {
|
|
return Keyframes.__super__.constructor.apply(this, arguments);
|
|
}
|
|
|
|
Keyframes.prototype.check = function(atRule) {
|
|
return atRule.name === 'keyframes';
|
|
};
|
|
|
|
Keyframes.prototype.add = function(atRule, prefix) {
|
|
var already, cloned, prefixed;
|
|
prefixed = prefix + atRule.name;
|
|
already = atRule.parent.some(function(i) {
|
|
return i.name === prefixed && i.params === atRule.params;
|
|
});
|
|
if (already) {
|
|
return;
|
|
}
|
|
cloned = this.clone(atRule, {
|
|
name: prefixed
|
|
});
|
|
return atRule.parent.insertBefore(atRule, cloned);
|
|
};
|
|
|
|
return Keyframes;
|
|
|
|
})(Prefixer);
|
|
|
|
module.exports = Keyframes;
|
|
|
|
}).call(this);
|