Feature Request: Check JSON validity on start

[jmfadeley]

Just started using i18n for a project and was scratching my head for a while as to why the json file I provided kept getting wiped out. I later discovered I accidentally put a comma where I shouldn't have. Would it be possible to have i18n check a loaded file's validity and just throw an error if it's not proper json instead of replacing everything?

[tony-ist]

Same stumble, would be nice to have some kind of error on invalid JSON, maybe make a PR?

[sailing]

+1 here, took me a while to figure out why my strings kept getting deleted!

[tony-ist]

Oof, I read the docs and you can enable debug logs by adding DEBUG=i18n:debug to your environment variables! They will show anything that goes wrong.