{ config, pkgs, lib, ... }: let inherit (builtins) attrNames; inherit (lib.options) mkEnableOption mkOption; inherit (lib.modules) mkIf mkMerge; inherit (lib.lists) isList; inherit (lib.types) enum either listOf package str; inherit (lib.nvim.types) mkGrammarOption; inherit (lib.nvim.lua) expToLua; cfg = config.vim.languages.css; defaultServer = "vscode-langservers-extracted"; servers = { vscode-langservers-extracted = { package = pkgs.vscode-langservers-extracted; lspConfig = '' -- enable (broadcasting) snippet capability for completion -- see <https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#cssls> local css_capabilities = vim.lsp.protocol.make_client_capabilities() css_capabilities.textDocument.completion.completionItem.snippetSupport = true -- cssls setup lspconfig.cssls.setup { capabilities = css_capabilities; on_attach = default_on_attach; cmd = ${ if isList cfg.lsp.package then expToLua cfg.lsp.package else ''{"${cfg.lsp.package}/bin/vscode-css-language-server", "--stdio"}'' } } ''; }; }; defaultFormat = "prettier"; formats = { prettier = { package = pkgs.nodePackages.prettier; nullConfig = '' table.insert( ls_sources, null_ls.builtins.formatting.prettier.with({ command = "${cfg.format.package}/bin/prettier", }) ) ''; }; prettierd = { package = pkgs.prettierd; nullConfig = '' table.insert( ls_sources, null_ls.builtins.formatting.prettier.with({ command = "${cfg.format.package}/bin/prettierd", }) ) ''; }; biome = { package = pkgs.biome; nullConfig = '' table.insert( ls_sources, null_ls.builtins.formatting.biome.with({ command = "${cfg.format.package}/bin/biome", }) ) ''; }; }; in { options.vim.languages.css = { enable = mkEnableOption "CSS language support"; treesitter = { enable = mkEnableOption "CSS treesitter" // {default = config.vim.languages.enableTreesitter;}; package = mkGrammarOption pkgs "css"; }; lsp = { enable = mkEnableOption "CSS LSP support" // {default = config.vim.languages.enableLSP;}; server = mkOption { description = "CSS LSP server to use"; type = enum (attrNames servers); default = defaultServer; }; package = mkOption { description = "CSS LSP server package, or the command to run as a list of strings"; example = ''[lib.getExe pkgs.jdt-language-server " - data " " ~/.cache/jdtls/workspace "]''; type = either package (listOf str); default = servers.${cfg.lsp.server}.package; }; }; format = { enable = mkEnableOption "CSS formatting" // {default = config.vim.languages.enableFormat;}; type = mkOption { description = "CSS formatter to use"; type = enum (attrNames formats); default = defaultFormat; }; package = mkOption { description = "CSS formatter package"; type = package; default = formats.${cfg.format.type}.package; }; }; }; config = mkIf cfg.enable (mkMerge [ (mkIf cfg.treesitter.enable { vim.treesitter.enable = true; vim.treesitter.grammars = [cfg.treesitter.package]; }) (mkIf cfg.lsp.enable { vim.lsp.lspconfig.enable = true; vim.lsp.lspconfig.sources.css-lsp = servers.${cfg.lsp.server}.lspConfig; }) (mkIf cfg.format.enable { vim.lsp.null-ls.enable = true; vim.lsp.null-ls.sources.css-format = formats.${cfg.format.type}.nullConfig; }) ]); }