vim: only execute config if respective plugin is installed

config/nvim/after/plugin/indent-blankline.lua

@@ -1,4 +1,7 @@
-require('indent_blankline').setup {
+local ok, plugin = pcall(require, 'indent_blankline')
+if not ok then return end
+
+plugin.setup {
   enabled = false,
 }
 

config/nvim/after/plugin/nvim-tree.lua

@@ -1,4 +1,7 @@
-require('nvim-tree').setup {
+local ok, plugin = pcall(require, 'nvim-tree')
+if not ok then return end
+
+plugin.setup {
   git = {
     ignore = false,       -- don't hide files from .gitignore
   },

config/nvim/after/plugin/tabular.lua

@@ -1,3 +1,5 @@
+if not vim.fn.exists('g:tabular_loaded') then return end
+
 vim.cmd [[ AddTabularPattern! first_comma /^[^,]*\zs,/ ]]
 vim.cmd [[ AddTabularPattern! first_colon /^[^:]*\zs:/ ]]
 vim.cmd [[ AddTabularPattern! first_equal /^[^=]*\zs=/ ]]

config/nvim/after/plugin/telescope.lua

@@ -1,3 +1,6 @@
+local ok, telescope = pcall(require, 'telescope')
+if not ok then return end
+
 local actions = require 'telescope.actions'
 local builtin = require 'telescope.builtin'
 
@@ -50,7 +53,7 @@ local find_options = function()
   }
 end
 
-require('telescope').setup {
+telescope.setup {
   defaults = {
     prompt_prefix = '❯ ',
     selection_caret = '➔ ',

config/nvim/after/plugin/virt-column.lua

@@ -1,4 +1,7 @@
-require('virt-column').setup {
+local ok, plugin = pcall(require, 'virt-column')
+if not ok then return end
+
+plugin.setup {
   char = '│',
 }