pojokcodeid.nvim-lazy/lua/user/utils/lualine_component.lua

local hide_in_width = function()
	return vim.fn.winwidth(0) > 75
end
local icons = require("user.icons")
local formatter = require("user.utils.formatter")
local linter = require("user.utils.linter")

local getLeftSubstring = function(word, length)
	if #word > length then
		return string.sub(word, 1, length) .. "..."
	else
		return word
	end
end

local unique_list = function(list)
	local seen = {}
	local result = {}

	for _, val in ipairs(list) do
		if not seen[val] then
			table.insert(result, val)
			seen[val] = true
		end
	end

	return result
end

return {
	-- treesitter info
	treesitter = {
		function()
			return icons.ui.Paint .. " TS"
		end,
		color = function()
			local buf = vim.api.nvim_get_current_buf()
			local ts = vim.treesitter.highlighter.active[buf]
			return { fg = ts and not vim.tbl_isempty(ts) and "#50fa7b" or "#FF5555" }
		end,
		cond = hide_in_width,
	},

	-- Lsp info
	lsp_info = {
		function()
			local msg = "LSP Inactive"
			local buf_ft = vim.bo.filetype
			-- start register
			local buf_clients = {}
			buf_clients = vim.lsp.get_clients({ bufnr = 0 })
			local buf_client_names = {}
			if next(buf_clients) == nil then
				-- TODO: clean up this if statement
				if type(msg) == "boolean" or #msg == 0 then
					return "LSP Inactive"
				end
				return msg
			end
			-- add client
			for _, client in pairs(buf_clients) do
				if client.name ~= "null-ls" and client.name ~= "copilot" then
					table.insert(buf_client_names, client.name)
				end
			end

			-- add formatter
			local supported_formatters = formatter.list_registered(buf_ft)
			vim.list_extend(buf_client_names, supported_formatters)

			-- add linter
			local supported_linters = linter.linter_list_registered(buf_ft)
			vim.list_extend(buf_client_names, supported_linters)

			-- decomple
			-- local unique_client_names = vim.fn.uniq(buf_client_names)
			local unique_client_names = unique_list(buf_client_names)
			msg = table.concat(unique_client_names, ", ")
			return msg
		end,
		icon = icons.ui.Gear .. "",
		padding = 1,
		cond = hide_in_width,
	},

	-- diagnostics info
	diagnostics = {
		"diagnostics",
		sources = { "nvim_diagnostic" },
		sections = { "error", "warn" },
		symbols = {
			error = icons.diagnostics.BoldError .. " ",
			warn = icons.diagnostics.BoldWarning .. " ",
		},
		colored = true,
		update_in_insert = false,
		always_visible = false,
	},

	-- git info
	diff = {
		"diff",
		colored = true,
		symbols = {
			added = icons.git.LineAdded .. " ",
			modified = icons.git.LineModified .. " ",
			removed = icons.git.LineRemoved .. " ",
		},
		cond = hide_in_width,
	},

	-- tab info
	spaces = {
		function()
			-- local shiftwidth = vim.api.nvim_buf_get_option(0, "shiftwidth")
			-- local shiftwidth = vim.api.nvim_get_option_value("shiftwidth", { scope = "buf", bufnr = 0 })
			local shiftwidth = vim.fn.shiftwidth()
			return icons.ui.Tab .. " " .. shiftwidth
		end,
		padding = 1,
	},

	-- nvim mode info
	mode = {
		"mode",
		padding = 1,
		separator = { left = " " },
		fmt = function(str)
			return icons.ui.Neovim .. " " .. str
		end,
	},

	-- git branch info
	get_branch = function()
		if vim.b.gitsigns_head ~= nil then
			return icons.git.Branch2 .. " " .. getLeftSubstring(vim.b.gitsigns_head, 6)
		else
			return icons.git.Branch2 .. vim.fn.fnamemodify("", ":t")
		end
	end,

	-- default colorscheme
	colors = {
		blue = "#50fa7b",
		cyan = "#f1fa8c",
		black = "#1a1b26",
		black_transparant = "none",
		white = "#c6c6c6",
		red = "#ff757f",
		skyblue_1 = "#bd93f9",
		grey = "#5f6a8e",
		yellow = "#ffb86c",
		fg_gutter = "#3b4261",
		green1 = "#bd93f9",
	},

	-- default lualine theme
	bubbles_theme = function(colors)
		return {
			normal = {
				a = { fg = colors.black, bg = colors.skyblue_1 },
				b = { fg = colors.white, bg = colors.grey },
				c = { fg = colors.white, bg = colors.black_transparant },
			},

			insert = {
				a = { fg = colors.black, bg = colors.blue },
				b = { fg = colors.blue, bg = colors.grey },
			},
			visual = {
				a = { fg = colors.black, bg = colors.cyan },
				b = { fg = colors.cyan, bg = colors.grey },
			},
			replace = {
				a = { bg = colors.red, fg = colors.black },
				b = { bg = colors.fg_gutter, fg = colors.red },
			},
			command = {
				a = { bg = colors.yellow, fg = colors.black },
				b = { bg = colors.fg_gutter, fg = colors.yellow },
			},
			terminal = {
				a = { bg = colors.green1, fg = colors.black },
				b = { bg = colors.fg_gutter, fg = colors.green1 },
			},
			inactive = {
				a = { fg = colors.white, bg = colors.black_transparant },
				b = { fg = colors.white, bg = colors.black_transparant },
				c = { fg = colors.black, bg = colors.black_transparant },
			},
		}
	end,
}