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https://issues.apache.org/jira/browse/CB-10967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212931#comment-15212931
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jcesarmobile commented on CB-10967:
-----------------------------------
So now you are using a regular cordova 6 project with cordova-ios 4+, without
the wkwebview plugin?
cordova-ios 4 still uses the UIWebView, that doesn't have IndexedDB support.
If you add the cordova WKWebView plugin, IndexedDB still doesn't work due to an
apple bug.
If you want to use IndexedDB you should still use the telerik's plugin or the
cordova plugin + the localhost plugin that uses a server like the telerik's
one, because the only way to workaround apple bug is using a local web server.
> IndexedDB API not properly exposed?
> -----------------------------------
>
> Key: CB-10967
> URL: https://issues.apache.org/jira/browse/CB-10967
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Affects Versions: 4.0.0
> Environment: Cordova CLI 6.x.x, Cordova-iOS 4.x.x
> Reporter: Brent Allen
> Priority: Blocker
>
> So before cordova-ios 4.0.0 I was using
> https://github.com/Telerik-Verified-Plugins/WKWebView.git 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 catch.
> 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 [email protected](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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