payload: {"action":"closed","issue":{"url":"https://api.github.com/repos/kaliber5/ember-bootstrap/issues/814","repository_url":"https://api.github.com/repos/kaliber5/ember-bootstrap","labels_url":"https://api.github.com/repos/kaliber5/ember-bootstrap/issues/814/labels{/name}","comments_url":"https://api.github.com/repos/kaliber5/ember-bootstrap/issues/814/comments","events_url":"https://api.github.com/repos/kaliber5/ember-bootstrap/issues/814/events","html_url":"https://github.com/kaliber5/ember-bootstrap/issues/814","id":445502311,"node_id":"MDU6SXNzdWU0NDU1MDIzMTE=","number":814,"title":"add polyfill for classList in IE11","user":{"login":"seemajune","id":2113081,"node_id":"MDQ6VXNlcjIxMTMwODE=","avatar_url":"https://avatars1.githubusercontent.com/u/2113081?v=4","gravatar_id":"","url":"https://api.github.com/users/seemajune","html_url":"https://github.com/seemajune","followers_url":"https://api.github.com/users/seemajune/followers","following_url":"https://api.github.com/users/seemajune/following{/other_user}","gists_url":"https://api.github.com/users/seemajune/gists{/gist_id}","starred_url":"https://api.github.com/users/seemajune/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/seemajune/subscriptions","organizations_url":"https://api.github.com/users/seemajune/orgs","repos_url":"https://api.github.com/users/seemajune/repos","events_url":"https://api.github.com/users/seemajune/events{/privacy}","received_events_url":"https://api.github.com/users/seemajune/received_events","type":"User","site_admin":false},"labels":[{"id":168860549,"node_id":"MDU6TGFiZWwxNjg4NjA1NDk=","url":"https://api.github.com/repos/kaliber5/ember-bootstrap/labels/bug","name":"bug","color":"fc2929","default":true}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2019-05-17T15:38:04Z","updated_at":"2019-05-25T07:51:40Z","closed_at":"2019-05-25T07:51:40Z","author_association":"NONE","body":"IE11 does not have full support for  `classList`  so when this function runs on certain elements (like svgs) it will throw an error. A polyfill would be super helpful to fix this. Thank you!\r\n---\r\n\r\nOutput from `ember bootstrap:info`:\r\n\r\n```\r\nTypeError: Unable to get property 'contains' of undefined or null reference\r\n  at _click (addon-tree-output/ember-bootstrap/components/base/bs-modal/dialog.js:177:1)\r\n  at o._run (backburner.js:1046:1)\r\n  at o._join (backburner.js:1029:1)\r\n  at o.join (backburner.js:749:1)\r\n  at join (@ember/runloop/index.js:165:1)\r\n...\r\n(1 additional frame(s) were not displayed)\r\n```\r\n"}}
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