Prevent neovim from crashing when no plugins are installed yet

nvim/init.lua

@@ -5,41 +5,26 @@ require('lsp_config')
 require('telescope_config')
 require('lualine_config')
 require('mappings')
+require('trim_config')
+require('nvim_tree_config')
 
-require('trim').setup({
+local hasleap, leap = pcall(require, 'leap')
-    ft_blocklist= {"markdown", "vimwiki"},
+if hasleap then
-    patterns = {
+    leap.set_default_keymaps()
-        [[%s/\s\+$//e]],           -- remove unwanted spaces
+end
-        [[%s/\($\n\s*\)\+\%$//]],  -- trim last line
-        [[%s/\%^\n\+//]],          -- trim first line
-    },
-})
 
-require('leap').set_default_keymaps()
+local hasComment, Comment = pcall(require, 'Comment')
-require('Comment').setup()
+if hasComment then
-require("nvim-tree").setup({
+    Comment.setup()
-    sort_by = "case_sensitive",
+end
-    sync_root_with_cwd = true,
+
-    update_focused_file = {
+local hastrouble, trouble = pcall(require, 'trouble')
-        update_root = true,
+if hastrouble then
-    },
+    trouble.setup()
-    view = {
+end
-        adaptive_size = true,
+
-        mappings = {
+pcall(function() vim.cmd("colorscheme material") end)
-            list = {
-                {key = "cd", action = "cd"}
-            }
-        },
-    },
-    renderer = {
-        group_empty = true,
-    },
-    filters = {
-        dotfiles = true,
-    },
-})
 
-vim.cmd("colorscheme material")
 vim.api.nvim_create_autocmd("FileType", { pattern = "make", command = [[set tabstop=8 shiftwidth=8 softtabstop=0 noexpandtab]] })
 vim.api.nvim_create_autocmd("FileType", { pattern = "vimwiki", command = [[setlocal shiftwidth=2 softtabstop=2 expandtab]] })
 vim.api.nvim_create_autocmd("FileType", { pattern = "vimwiki", command = [[setlocal filetype=markdown]] })

nvim/lua/autopairs_config.lua

@@ -1,5 +1,8 @@
-local npairs = require "nvim-autopairs"
+local hasnpairs, npairs = pcall(require, "nvim-autopairs")
-npairs.setup {
+
+if hasnpairs then
+    npairs.setup {
         check_ts = true,
-}
+    }
-npairs.add_rules(require "nvim-autopairs.rules.endwise-lua")
+    npairs.add_rules(require "nvim-autopairs.rules.endwise-lua")
+end

nvim/lua/lsp_config.lua

@@ -1,5 +1,8 @@
 -- Setup nvim-cmp.lsp
-local cmp = require'cmp'
+local hascmp, cmp = pcall(require, "cmp")
+if not hascmp then
+    return
+end
 
 local feedkey = function(key, mode)
   vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(key, true, true, true), mode, true)

nvim/lua/lualine_config.lua

@@ -1,8 +1,13 @@
+local haslualine, lualine = pcall(require, "lualine")
+if not haslualine then
+    return
+end
+
 local function getWords()
   return tostring(vim.fn.wordcount().words) .. " Words"
 end
 
-require('lualine').setup({
+lualine.setup({
     options = {
         theme = 'nightfly',
     },

nvim/lua/nvim_tree_config.lua

@@ -0,0 +1,26 @@
+local hastree, tree = pcall(require, "nvim-tree")
+if not hastree then
+    return
+end
+
+require("nvim-tree").setup({
+    sort_by = "case_sensitive",
+    sync_root_with_cwd = true,
+    update_focused_file = {
+        update_root = true,
+    },
+    view = {
+        adaptive_size = true,
+        mappings = {
+            list = {
+                {key = "cd", action = "cd"}
+            }
+        },
+    },
+    renderer = {
+        group_empty = true,
+    },
+    filters = {
+        dotfiles = true,
+    },
+})

nvim/lua/plugins.lua

@@ -31,11 +31,16 @@ require('packer').startup(function(use)
     use {'nvim-lualine/lualine.nvim', requires = { 'kyazdani42/nvim-web-devicons', opt = true }}
     use {'nvim-telescope/telescope-fzf-native.nvim', run = 'cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release && cmake --build build --config Release && cmake --install build --prefix build'}
     use {'nvim-telescope/telescope.nvim', requires = {{'nvim-lua/plenary.nvim'}}}
-    use {'nvim-treesitter/nvim-treesitter', run = ':TSUpdate'}
+    use {
+        'nvim-treesitter/nvim-treesitter',
+        run = function()
+            local ts_update = require('nvim-treesitter.install').update({ with_sync = true })
+            ts_update()
+        end,
+    }
     use {
         "folke/trouble.nvim",
-        requires = "kyazdani42/nvim-web-devicons",
+        requires = "kyazdani42/nvim-web-devicons"
-        config = function() require("trouble").setup {} end
     }
     use {
         'kyazdani42/nvim-tree.lua',

nvim/lua/telescope_config.lua

@@ -1,6 +1,10 @@
 local M = {}
 
-local telescope = require("telescope")
+local hastelescope, telescope= pcall(require, "telescope")
+
+if not hastelescope then
+    return M
+end
 
 M.project_files = function()
     local opts = require('telescope.themes').get_ivy({}) -- define here if you want to define something

nvim/lua/trim_config.lua

@@ -0,0 +1,13 @@
+local hastrim, trim = pcall(require, "trim")
+if not hastrim then
+    return
+end
+
+trim.setup({
+    ft_blocklist= {"markdown", "vimwiki"},
+    patterns = {
+        [[%s/\s\+$//e]],           -- remove unwanted spaces
+        [[%s/\($\n\s*\)\+\%$//]],  -- trim last line
+        [[%s/\%^\n\+//]],          -- trim first line
+    },
+})