From 6576e4a74cd301f083b273e6f73eb0058f25362e Mon Sep 17 00:00:00 2001
From: Danny Coates <dannycoates@gmail.com>
Date: Thu, 5 Sep 2019 08:14:14 -0700
Subject: [PATCH] added sync-npm-dependencies script and hooks

---
 package.json                     | 3 ++-
 scripts/sync-npm-dependencies.sh | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100755 scripts/sync-npm-dependencies.sh

diff --git a/package.json b/package.json
index eae78085..5d1916d0 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,8 @@
     "hooks": {
       "pre-commit": "lint-staged",
       "pre-push": "npm test",
-      "post-merge": "npm install"
+      "post-merge": "scripts/sync-npm-dependencies.sh",
+      "post-checkout": "scripts/sync-npm-dependencies.sh"
     }
   },
   "lint-staged": {
diff --git a/scripts/sync-npm-dependencies.sh b/scripts/sync-npm-dependencies.sh
new file mode 100755
index 00000000..02349c35
--- /dev/null
+++ b/scripts/sync-npm-dependencies.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+echo "checking package-lock.json for changes"
+if [ "$1" != "$2" ]; then
+  DIFF=$(git diff $1 $2 package-lock.json)
+  if [ "$DIFF" != "" ]; then
+    npm install
+  fi
+fi
\ No newline at end of file