add: tidy up the code, more modular

lua/user/utils/lualine_component.lua

@@ -0,0 +1,193 @@
+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,
+}