Check online status before prefetching URLs#74
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Related to issue #73 As a website owner, I want to only prefetch URLs when I am online, so that I am not getting network errors when my site is offline or served by a service-worker. Changes: - Implement isOnline function to check online status via navigator.onLine (https://developer.mozilla.org/de/docs/Web/API/NavigatorOnLine/onLine). - Implement guard in preload function to check online status with this function. Only tested on my setup. Has to be tested on larger scope before merging.
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Related to issue #73
As a website owner, I want to only prefetch URLs when I am online, so that I am not getting network errors when my site is offline or served by a service-worker.
Changes:
Only tested on my setup manually. No test suite was run. Should be tested on larger scope before merging.