{"action":"opened","issue":{"url":"https://api.github.com/repos/manuel-serrano/hop/issues/52","repository_url":"https://api.github.com/repos/manuel-serrano/hop","labels_url":"https://api.github.com/repos/manuel-serrano/hop/issues/52/labels{/name}","comments_url":"https://api.github.com/repos/manuel-serrano/hop/issues/52/comments","events_url":"https://api.github.com/repos/manuel-serrano/hop/issues/52/events","html_url":"https://github.com/manuel-serrano/hop/issues/52","id":384688001,"node_id":"MDU6SXNzdWUzODQ2ODgwMDE=","number":52,"title":"JSON.stringify regression","user":{"login":"vprunet","id":5165447,"node_id":"MDQ6VXNlcjUxNjU0NDc=","avatar_url":"https://avatars0.githubusercontent.com/u/5165447?v=4","gravatar_id":"","url":"https://api.github.com/users/vprunet","html_url":"https://github.com/vprunet","followers_url":"https://api.github.com/users/vprunet/followers","following_url":"https://api.github.com/users/vprunet/following{/other_user}","gists_url":"https://api.github.com/users/vprunet/gists{/gist_id}","starred_url":"https://api.github.com/users/vprunet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vprunet/subscriptions","organizations_url":"https://api.github.com/users/vprunet/orgs","repos_url":"https://api.github.com/users/vprunet/repos","events_url":"https://api.github.com/users/vprunet/events{/privacy}","received_events_url":"https://api.github.com/users/vprunet/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-27T09:01:28Z","updated_at":"2018-11-27T09:01:28Z","closed_at":null,"author_association":"COLLABORATOR","body":"Undefined properties in objects should be filtered out by JSON.stringify.\r\nNow we get:\r\n```\r\nJSON.stringify( {foo: undefined, bar:null});\r\n{\"foo\":null,\"bar\":null}\r\n```\r\ninstead of the expected:\r\n```\r\n{\"bar\":null}\r\n```\r\n\r\nVincent\r\n\r\n_Originally posted by @vprunet in https://github.com/manuel-serrano/hop/issues/51#issuecomment-441204185_"}}
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