{"action":"created","issue":{"url":"https://api.github.com/repos/dart-lang/observe/issues/49","labels_url":"https://api.github.com/repos/dart-lang/observe/issues/49/labels{/name}","comments_url":"https://api.github.com/repos/dart-lang/observe/issues/49/comments","events_url":"https://api.github.com/repos/dart-lang/observe/issues/49/events","html_url":"https://github.com/dart-lang/observe/issues/49","id":85652347,"number":49,"title":"clean up ChangeRecord API","user":{"login":"DartBot","id":8958862,"avatar_url":"https://avatars.githubusercontent.com/u/8958862?v=3","gravatar_id":"","url":"https://api.github.com/users/DartBot","html_url":"https://github.com/DartBot","followers_url":"https://api.github.com/users/DartBot/followers","following_url":"https://api.github.com/users/DartBot/following{/other_user}","gists_url":"https://api.github.com/users/DartBot/gists{/gist_id}","starred_url":"https://api.github.com/users/DartBot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DartBot/subscriptions","organizations_url":"https://api.github.com/users/DartBot/orgs","repos_url":"https://api.github.com/users/DartBot/repos","events_url":"https://api.github.com/users/DartBot/events{/privacy}","received_events_url":"https://api.github.com/users/DartBot/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dart-lang/observe/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/dart-lang/observe/labels/MovedToGithub","name":"MovedToGithub","color":"ededed"},{"url":"https://api.github.com/repos/dart-lang/observe/labels/PolymerMilestone-Next","name":"PolymerMilestone-Next","color":"ededed"},{"url":"https://api.github.com/repos/dart-lang/observe/labels/Priority-Low","name":"Priority-Low","color":"ededed"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":11,"created_at":"2015-06-05T23:01:05Z","updated_at":"2015-06-05T23:01:07Z","closed_at":null,"body":"<a href=\"https://github.com/jmesserly\"><img src=\"https://avatars.githubusercontent.com/u/1081711?v=3\" align=\"left\" width=\"96\" height=\"96\"hspace=\"10\"></img></a> **Issue by [jmesserly](https://github.com/jmesserly)**\n_Originally opened as dart-lang/sdk#14157_\n\n----\n\n\\* Observable.changes should only be property changes.\n\nObservableList will have &quot;listChanges&quot; property which includes the ListChangeRecords.\n\nSplitting this allows the consumer to know what kind of records it is getting, and makes the API constraints more clear.\n\n\\* remove ChangeRecord base class\n\n\\* add &quot;target&quot; to List/Map change record\n\n\\* add old/new values to ListChangeRecord? See http://wiki.ecmascript.org/doku.php?id=harmony:observe#array.observe\n"},"comment":{"url":"https://api.github.com/repos/dart-lang/observe/issues/comments/109472700","html_url":"https://github.com/dart-lang/observe/issues/49#issuecomment-109472700","issue_url":"https://api.github.com/repos/dart-lang/observe/issues/49","id":109472700,"user":{"login":"DartBot","id":8958862,"avatar_url":"https://avatars.githubusercontent.com/u/8958862?v=3","gravatar_id":"","url":"https://api.github.com/users/DartBot","html_url":"https://github.com/DartBot","followers_url":"https://api.github.com/users/DartBot/followers","following_url":"https://api.github.com/users/DartBot/following{/other_user}","gists_url":"https://api.github.com/users/DartBot/gists{/gist_id}","starred_url":"https://api.github.com/users/DartBot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/DartBot/subscriptions","organizations_url":"https://api.github.com/users/DartBot/orgs","repos_url":"https://api.github.com/users/DartBot/repos","events_url":"https://api.github.com/users/DartBot/events{/privacy}","received_events_url":"https://api.github.com/users/DartBot/received_events","type":"User","site_admin":false},"created_at":"2015-06-05T23:01:06Z","updated_at":"2015-06-05T23:01:06Z","body":"<a href=\"https://github.com/anders-sandholm\"><img src=\"https://avatars.githubusercontent.com/u/3276024?v=3\" align=\"left\" width=\"48\" height=\"48\"hspace=\"10\"></img></a> **Comment by [anders-sandholm](https://github.com/anders-sandholm)**\n\n----\n\n*Removed [Library-Observe](../labels/Library-Observe) label.*\n*Added [Pkg-Observe](../labels/Pkg-Observe) label.*\n"}}