lsp/presets/vue-language-server: init

modules/plugins/lsp/presets/default.nix

@@ -69,6 +69,7 @@
     ./vscode-css-language-server.nix
     ./vscode-json-language-server.nix
     ./vtsls.nix
+    ./vue-language-server.nix
     ./wgsl-analyzer.nix
     ./yaml-language-server.nix
     ./zls.nix

modules/plugins/lsp/presets/vue-language-server.nix

@@ -0,0 +1,82 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkIf;
+  inherit (lib.options) mkEnableOption;
+  inherit (lib.generators) mkLuaInline;
+
+  cfg = config.vim.lsp.presets.vue-language-server;
+in {
+  options.vim.lsp.presets.vue-language-server = {
+    enable = mkEnableOption ''
+      the Vue.js Language Server.
+
+      This LSP doesn't work standalone and requires either
+      {option}`vim.lsp.presets.vtsls.enable`
+      or
+      {option}`vim.lsp.presets.typescript-language-server.enable`
+      to work as expected.
+
+      Default `filetypes = ${lib.generators.toPretty {} []}`. \
+      Use {option}`vim.lsp.servers.vue-language-server` for customization
+    '';
+  };
+
+  config = mkIf cfg.enable {
+    vim.lsp.servers.vue-language-server = {
+      enable = true;
+      cmd = [(getExe pkgs.vue-language-server) "--stdio"];
+      root_markers = [".git" "tsconfig.json" "package.json"];
+      on_init =
+        mkLuaInline
+        # This LSP doesn't work standalone and requires a TypeScripts LSP to work.
+        # It can work with `typescript-language-server`, but it is not great, thus we prefer `vtsls`
+        ''
+          function(client)
+            retries = 0
+            local function typescriptHandler(_, result, context)
+              local function getLSP(name)
+                return vim.lsp.get_clients({ bufnr = context.bufnr, name = name})[1]
+              end
+
+              local typescipt_lsp = getLSP('vtsls') or getLSP('typescript-language-server')
+              if not typescipt_lsp then
+                if retries <= 10 then
+                  retries = retries + 1
+                  vim.defer_fn(function()
+                    typescriptHandler(_, result, context)
+                  end, 100)
+                else
+                  vim.notify(
+                    'Could not find `vtsls`, `typescript-language-server`, or `typescript-go` lsp, required by `vue-language-server`.',
+                    vim.log.levels.ERROR
+                  )
+                end
+                return
+              end
+
+              local param = unpack(result)
+              local id, command, payload = unpack(param)
+              typescipt_lsp:exec_cmd({
+                title = 'vue-language-server-forwarded',
+                command = 'typescript.tsserverRequest',
+                arguments = {
+                  command,
+                  payload,
+                },
+              }, { bufnr = context.bufnr }, function(_, r)
+                local response_data = { { id, r and r.body } }
+                client:notify('tsserver/response', response_data)
+              end)
+            end
+
+            client.handlers['tsserver/request'] = typescriptHandler
+          end
+        '';
+    };
+  };
+}