Re-add tree plugin

after/plugin/lsp/calltree.lua

@@ -0,0 +1,14 @@
+-- configure the litee.nvim library
+require('litee.lib').setup({})
+-- configure litee-calltree.nvim
+require('litee.calltree').setup({})
+
+require('litee.lib').setup({
+    tree = {
+        icon_set = "codicons"
+    },
+    panel = {
+        orientation = "right",
+        panel_size  = 30
+    }
+})

after/plugin/lsp/lsp-common.lua

@@ -2,10 +2,10 @@ vim.api.nvim_create_autocmd('LspAttach', {
     callback = function(ev)
         local builtin = require('telescope.builtin')
         vim.keymap.set('n', '<leader>gr', builtin.lsp_references);
-        vim.keymap.set('n', '<leader>ci', builtin.lsp_incoming_calls);
 
-        local opts = { noremap=true, silent=false, buffer = ev.buf }
+        local opts = { noremap = true, silent = false, buffer = ev.buf }
 
+        vim.keymap.set('n', '<leader>ci', vim.lsp.buf.incoming_calls, opts);
         vim.keymap.set('n', '<leader>gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
         vim.keymap.set('n', '<leader>ga', '<Cmd>lua vim.lsp.buf.code_action()<CR>', opts)
         vim.keymap.set('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
@@ -17,7 +17,7 @@ vim.api.nvim_create_autocmd('LspAttach', {
         vim.keymap.set('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
         vim.keymap.set('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
         vim.keymap.set('n', '<leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
-        vim.keymap.set('n', '<leader>gd', function() vim.lsp.buf.definition() end, opts)
+        vim.keymap.set('n', '<leader>gd', vim.lsp.buf.definition, opts)
         vim.keymap.set('n', '<leader>fo', function()
             vim.lsp.buf.format { async = true }
         end, opts)

after/plugin/lsp/lsp-lua.lua

@@ -6,11 +6,16 @@ require 'lspconfig'.lua_ls.setup {
             client.config.settings = vim.tbl_deep_extend('force', client.config.settings, {
                 Lua = {
                     runtime = {
+                        -- Tell the language server which version of Lua you're using
+                        -- (most likely LuaJIT in the case of Neovim)
                         version = 'LuaJIT'
                     },
+                    -- Make the server aware of Neovim runtime files
                     workspace = {
                         checkThirdParty = false,
-                        library = vim.api.nvim_get_runtime_file("", true)
+                        library = {
+                            vim.env.VIMRUNTIME
+                        }
                     }
                 }
             })

lua/myworkflow/packer.lua

@@ -22,6 +22,10 @@ return require('packer').startup(function(use)
     use 'simrat39/rust-tools.nvim'
     use 'akinsho/flutter-tools.nvim'
 
+    -- call tree
+    use 'ldelossa/litee.nvim'
+    use 'ldelossa/litee-calltree.nvim'
+
     -- debugging
     use 'mfussenegger/nvim-dap'
     use 'leoluz/nvim-dap-go'