Use default options if no file given

Author: hrabe

src/plugin.js

@@ -67,7 +67,14 @@ export async function spawnServer(opts, killOnExit = true) {
   const tmpdir = os.tmpdir();
   const filepath = path.join(tmpdir, `prettier-ruby-parser-${process.pid}.txt`);
 
-  const currentFile = opts.filepath || process.cwd();
+  const default_options = {
+    env: Object.assign({}, process.env, { LANG: getLang() }),
+    stdio: ["ignore", "ignore", "inherit"],
+    detached: true
+  };
+  const options = opts.filepath
+    ? { cwd: path.dirname(opts.filepath), ...default_options }
+    : default_options; 
 
   const server = spawn(
     opts.rubyExecutablePath || "ruby",
@@ -76,12 +83,7 @@ export async function spawnServer(opts, killOnExit = true) {
       `--plugins=${getPlugins(opts).join(",")}`,
       filepath
     ],
-    {
-      cwd: path.dirname(currentFile),
-      env: Object.assign({}, process.env, { LANG: getLang() }),
-      stdio: ["ignore", "ignore", "inherit"],
-      detached: true
-    }
+    options,
   );
 
   server.unref();