{"action":"created","issue":{"url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/689","labels_url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/689/labels{/name}","comments_url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/689/comments","events_url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/689/events","html_url":"https://github.com/jakubpawlowicz/clean-css/issues/689","id":110647125,"number":689,"title":"Error trying to parse Polymer styles","user":{"login":"felixzapata","id":997038,"avatar_url":"https://avatars.githubusercontent.com/u/997038?v=3","gravatar_id":"","url":"https://api.github.com/users/felixzapata","html_url":"https://github.com/felixzapata","followers_url":"https://api.github.com/users/felixzapata/followers","following_url":"https://api.github.com/users/felixzapata/following{/other_user}","gists_url":"https://api.github.com/users/felixzapata/gists{/gist_id}","starred_url":"https://api.github.com/users/felixzapata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/felixzapata/subscriptions","organizations_url":"https://api.github.com/users/felixzapata/orgs","repos_url":"https://api.github.com/users/felixzapata/repos","events_url":"https://api.github.com/users/felixzapata/events{/privacy}","received_events_url":"https://api.github.com/users/felixzapata/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/jakubpawlowicz/clean-css/labels/More%20details%20needed","name":"More details needed","color":"c7def8"}],"state":"open","locked":false,"assignee":null,"milestone":{"url":"https://api.github.com/repos/jakubpawlowicz/clean-css/milestones/41","html_url":"https://github.com/jakubpawlowicz/clean-css/milestones/3.4.7","labels_url":"https://api.github.com/repos/jakubpawlowicz/clean-css/milestones/41/labels","id":1383693,"number":41,"title":"3.4.7","description":"","creator":{"login":"jakubpawlowicz","id":24273,"avatar_url":"https://avatars.githubusercontent.com/u/24273?v=3","gravatar_id":"","url":"https://api.github.com/users/jakubpawlowicz","html_url":"https://github.com/jakubpawlowicz","followers_url":"https://api.github.com/users/jakubpawlowicz/followers","following_url":"https://api.github.com/users/jakubpawlowicz/following{/other_user}","gists_url":"https://api.github.com/users/jakubpawlowicz/gists{/gist_id}","starred_url":"https://api.github.com/users/jakubpawlowicz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jakubpawlowicz/subscriptions","organizations_url":"https://api.github.com/users/jakubpawlowicz/orgs","repos_url":"https://api.github.com/users/jakubpawlowicz/repos","events_url":"https://api.github.com/users/jakubpawlowicz/events{/privacy}","received_events_url":"https://api.github.com/users/jakubpawlowicz/received_events","type":"User","site_admin":false},"open_issues":4,"closed_issues":0,"state":"open","created_at":"2015-10-29T15:36:26Z","updated_at":"2015-10-29T15:36:41Z","due_on":null,"closed_at":null},"comments":15,"created_at":"2015-10-09T12:25:07Z","updated_at":"2015-11-03T13:20:49Z","closed_at":null,"body":"Hi, I've seen the issue #648 related with the `Polymer apply mixins` but I still have errors when trying to reduce the size of the vulcanized file.\r\n\r\nI'm trying to reduce the size applying first `gulp-html-minify` and then `gulp-minifi-inline` (this task uses clean-css version 3.4.5). When I do this, my console throws errors in the `wrap-for-optimizing.js` file.\r\n\r\nThe first error is in the function `isImportant` because the `property[property.length - 1]` is empty, so `property[property.length - 1][0].indexOf` fails. When I fix this, there is another error this time in  `hackType` function and, again, if I fix it, I obtain an error here: `block: isVariable && property[1] && Array.isArray(property[1][0][0])`.\r\n\r\nI will try to make a test but, what do you think is the reason that the `property` array received undefined values? "},"comment":{"url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/comments/153349630","html_url":"https://github.com/jakubpawlowicz/clean-css/issues/689#issuecomment-153349630","issue_url":"https://api.github.com/repos/jakubpawlowicz/clean-css/issues/689","id":153349630,"user":{"login":"felixzapata","id":997038,"avatar_url":"https://avatars.githubusercontent.com/u/997038?v=3","gravatar_id":"","url":"https://api.github.com/users/felixzapata","html_url":"https://github.com/felixzapata","followers_url":"https://api.github.com/users/felixzapata/followers","following_url":"https://api.github.com/users/felixzapata/following{/other_user}","gists_url":"https://api.github.com/users/felixzapata/gists{/gist_id}","starred_url":"https://api.github.com/users/felixzapata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/felixzapata/subscriptions","organizations_url":"https://api.github.com/users/felixzapata/orgs","repos_url":"https://api.github.com/users/felixzapata/repos","events_url":"https://api.github.com/users/felixzapata/events{/privacy}","received_events_url":"https://api.github.com/users/felixzapata/received_events","type":"User","site_admin":false},"created_at":"2015-11-03T13:20:49Z","updated_at":"2015-11-03T13:20:49Z","body":"do you have the example code in a gist or codepen?"}}