If yarn.lock exists, adjust "install gulp" message

gulpjs · Apr 6, 2018 · 73e7d6d · 73e7d6d
1 parent 6f5447b
commit 73e7d6d
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -151,10 +151,15 @@ function handleArguments(env) {
       ansi.red(missingGulpMessage),
       ansi.magenta(tildify(env.cwd))
     );
+    var hasYarn = fs.existsSync(path.join(env.cwd, 'yarn.lock'));
     var installCommand =
       missingNodeModules
-        ? 'npm install'
-        : 'npm install gulp';
+        ? hasYarn
+          ? 'yarn install'
+          : 'npm install'
+        : hasYarn
+          ? 'yarn add gulp'
+          : 'npm install gulp';
     log.error(ansi.red('Try running: ' + installCommand));
     exit(1);
   }