{"action":"created","comment":{"url":"https://api.github.com/repos/whatwg/html/pulls/comments/54329815","id":54329815,"diff_hunk":"@@ -85114,6 +85165,10 @@ interface <dfn>NavigatorOnLine</dfn> {\n       classic script</span> does not include MIME type checking. In contrast, module scripts will\n       fail to load if they are not of a correct MIME type.</p>\n      </li>\n+\n+     <li><p>The caller specified custom steps to <span\n+     data-x=\"fetching-scripts-validate-response\">validate the response</span>, which when performed\n+     on <var>response</var> return false.</p></li>","path":"source","position":123,"original_position":123,"commit_id":"b42dc2d3de00e471c74f2057498e8dc978c6bd23","original_commit_id":"b42dc2d3de00e471c74f2057498e8dc978c6bd23","user":{"login":"annevk","id":1544111,"avatar_url":"https://avatars.githubusercontent.com/u/1544111?v=3","gravatar_id":"","url":"https://api.github.com/users/annevk","html_url":"https://github.com/annevk","followers_url":"https://api.github.com/users/annevk/followers","following_url":"https://api.github.com/users/annevk/following{/other_user}","gists_url":"https://api.github.com/users/annevk/gists{/gist_id}","starred_url":"https://api.github.com/users/annevk/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/annevk/subscriptions","organizations_url":"https://api.github.com/users/annevk/orgs","repos_url":"https://api.github.com/users/annevk/repos","events_url":"https://api.github.com/users/annevk/events{/privacy}","received_events_url":"https://api.github.com/users/annevk/received_events","type":"User","site_admin":false},"body":"returns*","created_at":"2016-02-27T07:23:14Z","updated_at":"2016-02-27T07:23:14Z","html_url":"https://github.com/whatwg/html/pull/746#discussion_r54329815","pull_request_url":"https://api.github.com/repos/whatwg/html/pulls/746","_links":{"self":{"href":"https://api.github.com/repos/whatwg/html/pulls/comments/54329815"},"html":{"href":"https://github.com/whatwg/html/pull/746#discussion_r54329815"},"pull_request":{"href":"https://api.github.com/repos/whatwg/html/pulls/746"}}},"pull_request":{"url":"https://api.github.com/repos/whatwg/html/pulls/746","id":60775653,"html_url":"https://github.com/whatwg/html/pull/746","diff_url":"https://github.com/whatwg/html/pull/746.diff","patch_url":"https://github.com/whatwg/html/pull/746.patch","issue_url":"https://api.github.com/repos/whatwg/html/issues/746","number":746,"state":"open","locked":false,"title":"Add set up the request/validate the response hooks to script fetching","user":{"login":"domenic","id":617481,"avatar_url":"https://avatars.githubusercontent.com/u/617481?v=3","gravatar_id":"","url":"https://api.github.com/users/domenic","html_url":"https://github.com/domenic","followers_url":"https://api.github.com/users/domenic/followers","following_url":"https://api.github.com/users/domenic/following{/other_user}","gists_url":"https://api.github.com/users/domenic/gists{/gist_id}","starred_url":"https://api.github.com/users/domenic/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/domenic/subscriptions","organizations_url":"https://api.github.com/users/domenic/orgs","repos_url":"https://api.github.com/users/domenic/repos","events_url":"https://api.github.com/users/domenic/events{/privacy}","received_events_url":"https://api.github.com/users/domenic/received_events","type":"User","site_admin":false},"body":"Add set up the request/validate the response hooks to script fetching\r\n\r\nThis allows more complicated callers, like service workers, to\r\ncustomize script fetching as necessary. See [1], and in particular [2].\r\n\r\n[1]: https://github.com/slightlyoff/ServiceWorker/issues/831\r\n[2]: https://github.com/slightlyoff/ServiceWorker/issues/831#issuecomment-187139872\r\n\r\n---\r\n\r\nThis is tagged \"do not merge yet\" since we should merge https://github.com/whatwg/html/pull/745 first. I think they should be two separate commits to clarify the bugfixes vs. the new features.\r\n\r\nReviewers: @jungkees, @annevk, @mkruisselbrink.\r\n\r\nThe vision is that with these in hand the SW spec can do \"fetch a classic worker script\" or \"fetch a module script tree\", setting destination to \"serviceworker\" and with appropriate \"set up the request\" and \"validate the response\" steps.\r\n\r\nDirect link to relevant changes in this PR (instead of the pieces from #745): 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