neovim-flake/modules/languages/go.nix

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{
pkgs,
config,
lib,
...
}:
with lib;
with builtins; let
cfg = config.vim.languages.go;
defaultServer = "gopls";
servers = {
gopls = {
package = pkgs.gopls;
lspConfig = ''
lspconfig.gopls.setup {
capabilities = capabilities;
on_attach = default_on_attach;
cmd = {"${cfg.lsp.package}/bin/gopls", "serve"},
}
'';
};
};
in {
options.vim.languages.go = {
enable = mkEnableOption "Go language support";
treesitter = {
enable = mkOption {
description = "Enable Go treesitter";
type = types.bool;
default = config.vim.languages.enableTreesitter;
};
2023-04-17 23:55:27 +02:00
package = nvim.types.mkGrammarOption pkgs "go";
};
lsp = {
enable = mkOption {
description = "Enable Go LSP support";
type = types.bool;
default = config.vim.languages.enableLSP;
};
server = mkOption {
description = "Go LSP server to use";
type = with types; enum (attrNames servers);
default = defaultServer;
};
package = mkOption {
description = "Go LSP server package";
type = types.package;
default = servers.${cfg.lsp.server}.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.go-lsp = servers.${cfg.lsp.server}.lspConfig;
})
]);
}