feat(nvim): migrate to lualine.nvim

nvimrc

@@ -234,69 +234,11 @@ nmap <leader>T :Files<cr>
 nmap <leader>b :Buffers<cr>
 nmap <leader>rg :Rg<cr>
 
-" Lightline configuration:
-packadd! lightline.vim " https://github.com/itchyny/lightline.vim.git
-set laststatus=2
+" lualine.nvim
+packadd! lualine.nvim " https://git.netflux.io/rob/lualine.nvim.git
+packadd! nvim-web-devicons " https://github.com/nvim-tree/nvim-web-devicons.git
 
-function! LightlineLSPErrorText()
-  let l:count = luaeval("vim.diagnostic.get(0, [[Error]])")
-  if l:count == 0
-    return ''
-  endif
-  return l:count . 'E'
-endfunction
-
-function! LightlineLSPWarningText()
-  let l:count = luaeval("vim.diagnostic.get(0, [[Warning]])")
-  if l:count == 0
-    return ''
-  endif
-  return l:count . 'W'
-endfunction
-
-function! LightlineLSPInformationText()
-  let l:count = luaeval("vim.diagnostic.get(0, [[Information]])")
-  if l:count == 0
-    return ''
-  endif
-  return l:count . 'I'
-endfunction
-
-let g:lightline = {
-      \ 'colorscheme': 'seoul256',
-      \ 'active': {
-      \   'left': [ [ 'mode', 'paste' ],
-      \             [ 'readonly', 'filename', 'modified' ],
-      \             [ 'gitbranch' ], ['lsperror', 'lspwarn', 'lspinfo' ] ],
-      \   'right': [ ['lineinfo'], ['percent'], ['filetype'], ['gobuild'] ],
-      \ },
-      \ 'component_function': {
-      \   'gobuild': 'go#statusline#Show',
-      \   'gitbranch': 'FugitiveStatusline',
-      \ },
-      \ 'component_expand': {
-      \   'lsperror': 'LightlineLSPErrorText',
-      \   'lspwarn': 'LightlineLSPWarningText',
-      \   'lspinfo': 'LightlineLSPInformationText',
-      \ },
-      \ 'component_type': {
-      \   'lsperror': 'error',
-      \   'lspwarn': 'warning',
-      \ },
-      \ 'mode_map': {
-      \   'n' : 'N',
-      \   'i' : 'I',
-      \   'R' : 'R',
-      \   'v' : 'V',
-      \   'V' : 'V-LINE',
-      \   "\<C-v>": 'V-BLOCK',
-      \   'c' : 'C',
-      \   's' : 'S',
-      \   'S' : 'S-LINE',
-      \   "\<C-s>": 'S-BLOCK',
-      \   't': 'TERM',
-      \ },
-\ }
+lua require "lightline_config"
 
 " vim-gitgutter configuration
 packadd! vim-gitgutter " https://github.com/airblade/vim-gitgutter.git

vim/lua/lightline_config.lua

@@ -0,0 +1,55 @@
+require("nvim-web-devicons").setup({})
+
+local mode_map = {
+	NORMAL = "N",
+	INSERT = "I",
+	REPLACE = "R",
+	COMMAND = "C",
+	VISUAL = "v",
+	["V-BLOCK"] = "V",
+	["V-LINE"] = "V-LINE",
+}
+
+require("lualine").setup({
+	options = {
+		icons_enabled = false,
+		theme = "nord",
+	},
+	sections = {
+		lualine_a = {
+			{
+				"mode",
+				fmt = function(mode)
+					return mode_map[mode] or mode
+				end,
+			},
+		},
+		lualine_b = { "filename" },
+		lualine_c = {
+			"branch",
+			"diff",
+			{
+				"diagnostics",
+				sources = { "nvim_lsp" },
+				always_visible = false,
+				symbols = {
+					error = function(count)
+						return count .. "E"
+					end,
+					warn = function(count)
+						return count .. "W"
+					end,
+					info = function(count)
+						return count .. "I"
+					end,
+					hint = function(count)
+						return count .. "H"
+					end,
+				},
+			},
+		},
+		lualine_x = { "filetype" },
+		lualine_y = { "progress" },
+		lualine_z = { "location" },
+	},
+})