{"action":"created","issue":{"url":"https://api.github.com/repos/angular/angular/issues/25238","repository_url":"https://api.github.com/repos/angular/angular","labels_url":"https://api.github.com/repos/angular/angular/issues/25238/labels{/name}","comments_url":"https://api.github.com/repos/angular/angular/issues/25238/comments","events_url":"https://api.github.com/repos/angular/angular/issues/25238/events","html_url":"https://github.com/angular/angular/pull/25238","id":346444225,"node_id":"MDExOlB1bGxSZXF1ZXN0MjA1MzA2MDQ0","number":25238,"title":"feat(ivy): add `ngcc` ivy switch","user":{"login":"mhevery","id":111951,"node_id":"MDQ6VXNlcjExMTk1MQ==","avatar_url":"https://avatars0.githubusercontent.com/u/111951?v=4","gravatar_id":"","url":"https://api.github.com/users/mhevery","html_url":"https://github.com/mhevery","followers_url":"https://api.github.com/users/mhevery/followers","following_url":"https://api.github.com/users/mhevery/following{/other_user}","gists_url":"https://api.github.com/users/mhevery/gists{/gist_id}","starred_url":"https://api.github.com/users/mhevery/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mhevery/subscriptions","organizations_url":"https://api.github.com/users/mhevery/orgs","repos_url":"https://api.github.com/users/mhevery/repos","events_url":"https://api.github.com/users/mhevery/events{/privacy}","received_events_url":"https://api.github.com/users/mhevery/received_events","type":"User","site_admin":false},"labels":[{"id":660621334,"node_id":"MDU6TGFiZWw2NjA2MjEzMzQ=","url":"https://api.github.com/repos/angular/angular/labels/PR%20target:%20master-only","name":"PR target: master-only","color":"5319e7","default":false},{"id":149476251,"node_id":"MDU6TGFiZWwxNDk0NzYyNTE=","url":"https://api.github.com/repos/angular/angular/labels/cla:%20yes","name":"cla: yes","color":"009800","default":false},{"id":799860804,"node_id":"MDU6TGFiZWw3OTk4NjA4MDQ=","url":"https://api.github.com/repos/angular/angular/labels/comp:%20ivy","name":"comp: ivy","color":"c5def5","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-08-01T04:31:11Z","updated_at":"2018-08-15T23:35:34Z","closed_at":null,"author_association":"MEMBER","pull_request":{"url":"https://api.github.com/repos/angular/angular/pulls/25238","html_url":"https://github.com/angular/angular/pull/25238","diff_url":"https://github.com/angular/angular/pull/25238.diff","patch_url":"https://github.com/angular/angular/pull/25238.patch"},"body":"feat(ivy): add `ngcc` ivy switch\r\n\r\nProvides a runtime and compile time switch for ivy including \r\n`ApplicationRef.bootstrapModule`.\r\n\r\nThis is done by naming the symbols such that `ngcc` (angular \r\nCompatibility compiler) can rename symbols in such a way that running\r\n`ngcc` command will switch the `@angular/core` module from `legacy` to\r\n`ivy` mode.\r\n\r\nThis is done as follows:\r\n\r\n```\r\nconst someToken__PRE_NGCC__ = ‘legacy mode’;\r\nconst someToken__POST_NGCC__ = ‘ivy mode’;\r\n\r\nexport someSymbol = someToken__PRE_NGCC__;\r\n```\r\n\r\nThe `ngcc` will search for any token which ends with `__PRE_NGCC__` \r\nand replace it with `__POST_NGCC__`. This allows the `@angular/core`\r\npackage to be rewritten to ivy mode post `ngcc` execution."},"comment":{"url":"https://api.github.com/repos/angular/angular/issues/comments/413372899","html_url":"https://github.com/angular/angular/pull/25238#issuecomment-413372899","issue_url":"https://api.github.com/repos/angular/angular/issues/25238","id":413372899,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMzM3Mjg5OQ==","user":{"login":"mary-poppins","id":4871841,"node_id":"MDQ6VXNlcjQ4NzE4NDE=","avatar_url":"https://avatars3.githubusercontent.com/u/4871841?v=4","gravatar_id":"","url":"https://api.github.com/users/mary-poppins","html_url":"https://github.com/mary-poppins","followers_url":"https://api.github.com/users/mary-poppins/followers","following_url":"https://api.github.com/users/mary-poppins/following{/other_user}","gists_url":"https://api.github.com/users/mary-poppins/gists{/gist_id}","starred_url":"https://api.github.com/users/mary-poppins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mary-poppins/subscriptions","organizations_url":"https://api.github.com/users/mary-poppins/orgs","repos_url":"https://api.github.com/users/mary-poppins/repos","events_url":"https://api.github.com/users/mary-poppins/events{/privacy}","received_events_url":"https://api.github.com/users/mary-poppins/received_events","type":"User","site_admin":false},"created_at":"2018-08-15T23:35:34Z","updated_at":"2018-08-15T23:35:34Z","author_association":"NONE","body":"You can preview c8e9145 at https://pr25238-c8e9145.ngbuilds.io/."}}
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