jenkins snippet set ci script

snippets/jenkins/index.js

@@ -20,10 +20,12 @@ const path = require ('path');
  * @param {Array} args function arguments
  */
 function run (folder, args) {
+  const is_node = args.length === 1 && (/^node$/ui).test (args[0]);
+
   const template = path.join (
     __dirname,
     'template',
-    args.length === 1 && (/^node$/ui).test
+    is_node
       ? 'node'
       : 'general'
   );
@@ -35,6 +37,15 @@ function run (folder, args) {
       { filter: (src, dest) => !fs.existsSync (dest) }
     );
   }
+
+  if (is_node) {
+    const pkg = path.join (folder, 'package.json');
+    if (fs.existsSync (pkg)) {
+      const json = JSON.parse (fs.readFileSync (pkg, 'utf-8'));
+      json.scripts.ci = 'yarn && node jenkins.js';
+      fs.writeFileSync (pkg, JSON.stringify (json, null, 2), 'utf-8');
+    }
+  }
 }
 
 /**