neovim-flake/modules/languages/svelte.nix

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{
pkgs,
config,
lib,
...
}:
with lib;
with builtins; let
cfg = config.vim.languages.svelte;
defaultServer = "svelte";
servers = {
svelte = {
package = pkgs.nodePackages.svelte-language-server;
lspConfig = ''
lspconfig.svelte.setup {
capabilities = capabilities;
on_attach = attach_keymaps,
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cmd = ${
if isList cfg.lsp.package
then nvim.lua.expToLua cfg.lsp.package
else ''{"${cfg.lsp.package}/bin/svelteserver", "--stdio"}''
}
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}
'';
};
};
# TODO: specify packages
defaultFormat = "prettier";
formats = {
prettier = {
package = pkgs.nodePackages.prettier;
nullConfig = ''
table.insert(
ls_sources,
null_ls.builtins.formatting.prettier.with({
command = "${cfg.format.package}/bin/prettier",
})
)
'';
};
};
# TODO: specify packages
defaultDiagnostics = ["eslint_d"];
diagnostics = {
eslint_d = {
package = pkgs.nodePackages.eslint_d;
nullConfig = pkg: ''
table.insert(
ls_sources,
null_ls.builtins.diagnostics.eslint_d.with({
command = "${lib.getExe pkg}",
})
)
'';
};
};
in {
options.vim.languages.svelte = {
enable = mkEnableOption "Svelte language support";
treesitter = {
enable = mkEnableOption "Enable Svelte treesitter" // {default = config.vim.languages.enableTreesitter;};
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sveltePackage = nvim.types.mkGrammarOption pkgs "svelte";
};
lsp = {
enable = mkEnableOption "Enable Svelte LSP support" // {default = config.vim.languages.enableLSP;};
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server = mkOption {
description = "Svelte LSP server to use";
type = with types; enum (attrNames servers);
default = defaultServer;
};
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package = mkOption {
description = "Svelte LSP server package, or the command to run as a list of strings";
example = ''[lib.getExe pkgs.jdt-language-server "-data" "~/.cache/jdtls/workspace"]'';
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type = with types; either package (listOf str);
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default = servers.${cfg.lsp.server}.package;
};
};
format = {
enable = mkEnableOption "Enable Svelte formatting" // {default = config.vim.languages.enableFormat;};
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type = mkOption {
description = "Svelte formatter to use";
type = with types; enum (attrNames formats);
default = defaultFormat;
};
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package = mkOption {
description = "Svelte formatter package";
type = types.package;
default = formats.${cfg.format.type}.package;
};
};
extraDiagnostics = {
enable = mkEnableOption "Enable extra Svelte diagnostics" // {default = config.vim.languages.enableExtraDiagnostics;};
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types = lib.nvim.types.diagnostics {
langDesc = "Svelte";
inherit diagnostics;
inherit defaultDiagnostics;
};
};
};
config = mkIf cfg.enable (mkMerge [
(mkIf cfg.treesitter.enable {
vim.treesitter.enable = true;
vim.treesitter.grammars = [cfg.treesitter.sveltePackage];
})
(mkIf cfg.lsp.enable {
vim.lsp.lspconfig.enable = true;
vim.lsp.lspconfig.sources.svelte-lsp = servers.${cfg.lsp.server}.lspConfig;
})
(mkIf cfg.format.enable {
vim.lsp.null-ls.enable = true;
vim.lsp.null-ls.sources.svelte-format = formats.${cfg.format.type}.nullConfig;
})
(mkIf cfg.extraDiagnostics.enable {
vim.lsp.null-ls.enable = true;
vim.lsp.null-ls.sources = lib.nvim.languages.diagnosticsToLua {
lang = "svelte";
config = cfg.extraDiagnostics.types;
inherit diagnostics;
};
})
]);
}