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From "Shazron Abdullah (JIRA)" <>
Subject [jira] [Updated] (CB-10967) IndexedDB API not properly exposed?
Date Fri, 16 Sep 2016 18:26:21 GMT


Shazron Abdullah updated CB-10967:
    Security:     (was: Public)

> IndexedDB API not properly exposed?
> -----------------------------------
>                 Key: CB-10967
>                 URL:
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: Plugin WKWebViewEngine
>    Affects Versions: 4.0.0
>         Environment: Cordova CLI 6.x.x, Cordova-iOS 4.x.x
>            Reporter: Brent Allen
>              Labels: triaged, wkwebview-known-issues
> So before cordova-ios 4.0.0 I was using
as a workaround to get the extra webkit apis/performance.
> Clearly not an ideal workaround since it requires a localhost origin. Making several
CORS and iFrame operations a major headache.
> So I need to update to the latest frameworks. And I was successful in doing so with one
> The webkit api for IndexDB is not exposed anymore. I am a little confused as to how this
could be since it was expose when using the workaround. The only diff that I can find that
seems to relate to webkit is this:
> From 'plugins/com.telerik.plugins.wkwebview/www/wkwebview.js'
> ```
> var origNativeFetchMessages = exec.nativeFetchMessages;
>         exec.nativeFetchMessages = function() {
>                 var cmds = origNativeFetchMessages();
>                 cmds = JSON.parse(cmds);
>                 for(var i=0;i<cmds.length;i++) {
>                         var cmd = cmds[i];
>                         if(cmd[1]==='WKWebView') continue;
>                         window.webkit.messageHandlers.cordova.postMessage(cmd);
>                 }
>                 return '';
>         };
> ```
> Which was also still available in cordova-ios@3.9.2(I think)
> I can't help but wonder if this has something to do with exposing the open versions of
the api(s). And if so was this supposed to be re-implemented using the latest patterns?
> I am using mWater/minimongo which relies on this api. I already opened an issue on that
repo. But I am not optimistic that it will be addressed there since the api hasn't technically
changed as far as I can tell. It is just being hidden by the webview and the cordova platform
is no longer exposing it manually.
> Any advice would be greatly appreciated. I am hoping to avoid cloning the minimongo repo.
Since I am not even sure the apples implementation will work as I have yet to find any documentation
on it.
> I am also concerned that this may have implications for other webkit apis that I have
yet to discover as broken in this context.
> Thanks in advance for any help.

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