fix: nvim rust analyzer weirdness

roles/nvim/files/init_pc.lua

@@ -229,6 +229,17 @@ lsp.lua_ls.setup {
   },
 }
 
+-- Workaround for rust analyzer popping cancelation up https://github.com/neovim/neovim/issues/30985
+for _, method in ipairs({ 'textDocument/diagnostic', 'workspace/diagnostic' }) do
+    local default_diagnostic_handler = vim.lsp.handlers[method]
+    vim.lsp.handlers[method] = function(err, result, context, config)
+        if err ~= nil and err.code == -32802 then
+            return
+        end
+        return default_diagnostic_handler(err, result, context, config)
+    end
+end
+
 -- Snippets
 local ls = require('luasnip')
 local types = require('luasnip.util.types')

roles/nvim/tasks/main.yml

@@ -46,6 +46,7 @@
       become: true
       ansible.builtin.package:
         name:
+          - lua-jsregexp # for Lua-Snip
           - lua-language-server # Lua
           - texlab # Tex
           - pyright # Python