From 158fb1414a46b3abb4e90b2bf2f9fcccc776bda0 Mon Sep 17 00:00:00 2001
From: Iuri Matias <iuri.matias@gmail.com>
Date: Sat, 16 Dec 2017 17:36:52 -0500
Subject: [PATCH] re-use same package if already downloaded

---
 lib/pipeline/npm.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/lib/pipeline/npm.js b/lib/pipeline/npm.js
index 698c3f33..90798802 100644
--- a/lib/pipeline/npm.js
+++ b/lib/pipeline/npm.js
@@ -77,6 +77,21 @@ class Npm {
   getPackageVersion(packageName, version, returnContent, getFromGit, callback) {
     let self = this;
     let npmRegistry = "https://registry.npmjs.org/" + packageName + "/" + version;
+    let packageDirectory = './.embark/versions/' + packageName + '/' + version + '/';
+
+    if (fs.existsSync(packageDirectory)) {
+      let content;
+      if (getFromGit && returnContent) {
+        let distFile = packageDirectory + packageName + ".js";
+        content = fs.readFileSync(distFile).toString();
+      } else if (returnContent) {
+        let distFile = packageDirectory + returnContent;
+        content = fs.readFileSync(distFile).toString();
+      } else {
+        content = packageDirectory;
+      }
+      return callback(null, content);
+    }
 
     utils.httpsGet(npmRegistry, function (err, body) {
       if (err) {