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neovim-flake/modules/plugins/languages/typst.nix

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{
config,
pkgs,
lib,
...
}: let
inherit (lib.options) mkEnableOption mkOption;
inherit (lib.modules) mkIf mkMerge;
inherit (lib.lists) isList;
inherit (lib.types) enum either listOf package str;
inherit (lib.attrsets) attrNames;
inherit (lib.nvim.lua) expToLua;
inherit (lib.nvim.types) mkGrammarOption;
cfg = config.vim.languages.typst;
defaultFormat = "typstfmt";
formats = {
typstfmt = {
package = pkgs.typstfmt;
nullConfig = ''
table.insert(
ls_sources,
null_ls.builtins.formatting.typstfmt.with({
command = "${cfg.format.package}/bin/typstfmt",
})
)
'';
};
# https://github.com/Enter-tainer/typstyle
typstyle = {
package = pkgs.typstyle;
nullConfig = ''
table.insert(
ls_sources,
null_ls.builtins.formatting.typstfmt.with({
command = "${cfg.format.package}/bin/typstyle",
})
)
'';
};
};
in {
options.vim.languages.typst = {
enable = mkEnableOption "Typst language support";
treesitter = {
enable = mkEnableOption "Typst treesitter" // {default = config.vim.languages.enableTreesitter;};
package = mkGrammarOption pkgs "typst";
};
lsp = {
enable = mkEnableOption "Typst LSP support (typst-lsp)" // {default = config.vim.languages.enableLSP;};
package = mkOption {
description = "typst-lsp 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 = pkgs.typst-lsp;
};
};
format = {
enable = mkEnableOption "Typst document formatting" // {default = config.vim.languages.enableFormat;};
type = mkOption {
description = "Typst formatter to use";
type = enum (attrNames formats);
default = defaultFormat;
};
package = mkOption {
description = "Typst 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.typst-lsp = ''
lspconfig.typst_lsp.setup {
capabilities = capabilities,
on_attach=default_on_attach,
cmd = ${
if isList cfg.lsp.package
then expToLua cfg.lsp.package
else ''{"${cfg.lsp.package}/bin/typst-lsp"}''
},
}
'';
})
]);
}