fix(icons): make devicons optional (#3616)

* fix(icons): make devicons optional

* code review suggestion

* fix: devicons_enable > devicons.enable

lua/lvim/core/breadcrumbs.lua

@@ -99,10 +99,17 @@ M.get_filename = function()
   local f = require "lvim.utils.functions"
 
   if not f.isempty(filename) then
-    local file_icon, hl_group = require("nvim-web-devicons").get_icon(filename, extension, { default = true })
-
-    if f.isempty(file_icon) then
-      file_icon = lvim.icons.kind.File
+    local file_icon, hl_group
+    local devicons_ok, devicons = pcall(require, "nvim-web-devicons")
+    if lvim.use_icons and devicons_ok then
+      file_icon, hl_group = devicons.get_icon(filename, extension, { default = true })
+
+      if f.isempty(file_icon) then
+        file_icon = lvim.icons.kind.File
+      end
+    else
+      file_icon = ""
+      hl_group = "Normal"
     end
 
     local buf_ft = vim.bo.filetype

lua/lvim/core/lir.lua

@@ -83,6 +83,10 @@ M.config = function()
 end
 
 function M.icon_setup()
+  if not lvim.builtin.lir.devicons.enable then
+    return
+  end
+
   local function get_hl_by_name(name)
     local ret = vim.api.nvim_get_hl_by_name(name.group, true)
     return string.format("#%06x", ret[name.property])
@@ -93,13 +97,16 @@ function M.icon_setup()
     icon_hl = "#42A5F5"
   end
 
-  require("nvim-web-devicons").set_icon {
-    lir_folder_icon = {
-      icon = lvim.builtin.lir.icon,
-      color = icon_hl,
-      name = "LirFolderNode",
-    },
-  }
+  local devicons_ok, devicons = pcall(require, "nvim-web-devicons")
+  if devicons_ok then
+    devicons.set_icon {
+      lir_folder_icon = {
+        icon = lvim.builtin.lir.icon,
+        color = icon_hl,
+        name = "LirFolderNode",
+      },
+    }
+  end
 end
 
 function M.setup()
@@ -107,6 +114,11 @@ function M.setup()
   if not status_ok then
     return
   end
+
+  if not lvim.use_icons then
+    lvim.builtin.lir.devicons.enable = false
+  end
+
   lir.setup(lvim.builtin.lir)
 
   if lvim.builtin.lir.on_config_done then