textDocument/didOpen: Enrich warning message

[radeksimko]

This is in reaction to https://discuss.hashicorp.com/t/no-root-module-found/10944

It's likely this will generate more pressure to resolving #128 but it would at least get people closer to the point where it works (assuming they setup auth wrapper or use local state) and make the message more actionable.

[eskp]

Can we disable this message? There might be no need for terraform init

[radeksimko]

I think that adding an option to opt-in to ignoring these messages would be fine, but I'd like to be sure that everyone understand the implications before doing it.

The server cannot do much (basically nothing other than auto-formatting) without initialized root module. It can't access the schema, hence it can't use the schema in completion, later hovering, or any other future features.

Additionally since 0.4.0 the server does attempt to find the root module within the whole hierarchy and already reflects the fact that modules may not be init-ed on their own, but e.g. from a parent directory, which references that module. So this message in particular should rarely be a false negative and if it is then we'd like to know about it.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
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