[GitHub] [cordova-ios] tylervz commented on issue #1080: Issues on iOS 12 for apps using OpenUI5

[GitBox <gi...@apache.org>]

tylervz commented on issue #1080:
URL: https://github.com/apache/cordova-ios/issues/1080#issuecomment-785278715


   Thank you for taking the time to look into this @breautek .
   
   The following error
   ```
   failed to load JavaScript resource: sap/ui/demo/basicTemplate/Component-preload.js -  sap.ui.ModuleSystem
   ```
   is actually produced before you click on "Show Today's Date"; it's produced when the applications loads. That error is present even when the application is running without an issue, as you can see when running the app on iOS 14. OpenUI5 by default attempts to load a preload file before fetching individual controller and view files, but it does not need a preload file to run.
   
   
   Likewise, with the similar error of this resource request failing to load with a 404:
   
       app://localhost/i18n/i18n_en_US.properties
   
   That error is present even when the application is running without an issue (on iOS 14) because OpenUI5 attempts to load the most specific i18n file it can for the user and then falls back to `/i18n/i18n.properties`. `/i18n/i18n.properties` is successfully being used by the app to provide translations of text.
   
   I agree that the issues documented in my sample app are most likely due to the application trying to load a file that doesn't exist or isn't bundled in the web assets; it's just not clear which specific file is the issue, since it cannot be the ones mentioned above. And it's also puzzling why the app is able to load this file when running on iOS 11, 13 and 14.


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