Send the correct insertTextFormat
#3005
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Per LSP specification, `insertTextFormat` should be `2` for snippets and `1` for plain text. Using `2` unconditionally can make clients behave in unexpected ways. The code calling into `provider.lua` sets `insertTextFormat` to 2 for all snippets and leaves it nil for other types, so we can reuse that information in `provider.lua` to make sure we send the correct value.
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andrewbraxton
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Jan 3, 2025
The PR LuaLS#3005 assumed that all snippets were setting `insertTextFormat` to 2 and leaving plaintext completions nil, but that was not the case. Function completions need to be marked as snippets too. fixes LuaLS#3021
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Per LSP specification,
insertTextFormatshould be2for snippets and1for plain text. Using2unconditionally can make clients behave in unexpected ways. For example, thenvim-cmpplugin for Neovim doesn't properly handle the case of completion inside of a snippet wheninsertTextFormatis incorrect.The code calling into
provider.luasetsinsertTextFormatto 2 for all snippets and leaves it nil for other types, so we can reuse that information inprovider.luato make sure we send the correct value.This was previously brought up in #992, but the closing PR didn't resolve the issue directly.