{"action":"created","comment":{"url":"https://api.github.com/repos/code-dot-org/code-dot-org/pulls/comments/59644184","id":59644184,"diff_hunk":"@@ -0,0 +1,78 @@\n+/**\n+ * This module contains logic for tracking various experiments. Experiments\n+ * can be enabled/disabled one of two ways\n+ * (1) enable: localStorage.set('experiments-experimentName', true)\n+ *     disable: localStorage.removeItem('experiments-experimentName')\n+ * (2) Add a query param, i.e. http://foo.com?experimentName=true or\n+ *     http://foo.com?experimentName=false\n+ * The latter approach ends up toggling the localStorage state.\n+ * As long as you check isEnabled once for some experiment, data for all\n+ * experiments will be loaded from localStorage and the query params will be\n+ * parsed.\n+ * To support a new experiment, just add it as a key in experimentList\n+ */\n+var experiments = module.exports;\n+\n+// List of experiements, and their current enabled/disabled state\n+var experimentList = {\n+  topInstructions: false,\n+  runModeIndicators: false\n+};","path":"apps/src/experiments.js","position":20,"original_position":20,"commit_id":"f312476c6418215fc1170fdf125b90c486dea65e","original_commit_id":"f312476c6418215fc1170fdf125b90c486dea65e","user":{"login":"islemaster","id":1615761,"avatar_url":"https://avatars.githubusercontent.com/u/1615761?v=3","gravatar_id":"","url":"https://api.github.com/users/islemaster","html_url":"https://github.com/islemaster","followers_url":"https://api.github.com/users/islemaster/followers","following_url":"https://api.github.com/users/islemaster/following{/other_user}","gists_url":"https://api.github.com/users/islemaster/gists{/gist_id}","starred_url":"https://api.github.com/users/islemaster/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/islemaster/subscriptions","organizations_url":"https://api.github.com/users/islemaster/orgs","repos_url":"https://api.github.com/users/islemaster/repos","events_url":"https://api.github.com/users/islemaster/events{/privacy}","received_events_url":"https://api.github.com/users/islemaster/received_events","type":"User","site_admin":false},"body":"It's a little bit of a shame that we need to list the experiments here - it would be nice if adding an experiment was as easy as calling `isEnabled` with an arbitrary string key, much like how localStorage works.","created_at":"2016-04-13T23:35:42Z","updated_at":"2016-04-13T23:35:42Z","html_url":"https://github.com/code-dot-org/code-dot-org/pull/7870#discussion_r59644184","pull_request_url":"https://api.github.com/repos/code-dot-org/code-dot-org/pulls/7870","_links":{"self":{"href":"https://api.github.com/repos/code-dot-org/code-dot-org/pulls/comments/59644184"},"html":{"href":"https://github.com/code-dot-org/code-dot-org/pull/7870#discussion_r59644184"},"pull_request":{"href":"https://api.github.com/repos/code-dot-org/code-dot-org/pulls/7870"}}},"pull_request":{"url":"https://api.github.com/repos/code-dot-org/code-dot-org/pulls/7870","id":66406162,"html_url":"https://github.com/code-dot-org/code-dot-org/pull/7870","diff_url":"https://github.com/code-dot-org/code-dot-org/pull/7870.diff","patch_url":"https://github.com/code-dot-org/code-dot-org/pull/7870.patch","issue_url":"https://api.github.com/repos/code-dot-org/code-dot-org/issues/7870","number":7870,"state":"open","locked":false,"title":"Generalized client side experiments","user":{"login":"Bjvanminnen","id":1767466,"avatar_url":"https://avatars.githubusercontent.com/u/1767466?v=3","gravatar_id":"","url":"https://api.github.com/users/Bjvanminnen","html_url":"https://github.com/Bjvanminnen","followers_url":"https://api.github.com/users/Bjvanminnen/followers","following_url":"https://api.github.com/users/Bjvanminnen/following{/other_user}","gists_url":"https://api.github.com/users/Bjvanminnen/gists{/gist_id}","starred_url":"https://api.github.com/users/Bjvanminnen/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Bjvanminnen/subscriptions","organizations_url":"https://api.github.com/users/Bjvanminnen/orgs","repos_url":"https://api.github.com/users/Bjvanminnen/repos","events_url":"https://api.github.com/users/Bjvanminnen/events{/privacy}","received_events_url":"https://api.github.com/users/Bjvanminnen/received_events","type":"User","site_admin":false},"body":"Provide a generalized way of experimenting on the client (currently assumes experiments are toggleable).\r\n\r\nIt's possible I tried to generalize this too early, as it's only needed for one other thing (topInstructions, and soon runModeIndicators). I'm also not too sure I love the design. There's some weirdness in that if we never check to see if any experiments are enabled, we won't parse your query params. Or maybe that's not that weird. I guess we could do the parsing as part of init if we were concerned.\r\n\r\nI'm interested in hearing what you think of 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