From 93e1271f031048a1b2976de0bb9829eed170515b Mon Sep 17 00:00:00 2001
From: Hans Larsen <hans@hansl.ca>
Date: Tue, 5 Jul 2016 10:23:58 -0700
Subject: [PATCH] chore: add a script to create the shrinkwrap file (and
 transform)

---
 scripts/publish/shrinkwrap.js | 45 +++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 scripts/publish/shrinkwrap.js

diff --git a/scripts/publish/shrinkwrap.js b/scripts/publish/shrinkwrap.js
new file mode 100755
index 000000000000..156d46748ae7
--- /dev/null
+++ b/scripts/publish/shrinkwrap.js
@@ -0,0 +1,45 @@
+#!/usr/bin/env node
+'use strict';
+
+const fs = require('fs');
+const npm = require('npm');
+const path = require('path');
+
+const packageJson = require(path.join(__dirname, '../../package.json'));
+
+npm.load(packageJson, function(err) {
+  if (err) {
+    throw err;
+  }
+
+  npm.shrinkwrap(function(err) {
+    if (err) {
+      throw err;
+    }
+
+    const shrinkwrapPath = path.join(__dirname, '../../npm-shrinkwrap.json');
+    const shrinkwrapJson = require(shrinkwrapPath);
+
+    /**
+     * Recursively remove the `resolved` and `_resolved` fields of packages.
+     */
+    function cleanDependency(dep) {
+      if (dep.resolved) {
+        delete dep.resolved;
+      }
+      if (dep._resolved) {
+        delete dep._resolved;
+      }
+
+      if (dep.dependencies) {
+        Object.keys(dep.dependencies).forEach(function (key) {
+          cleanDependency(dep.dependencies[key])
+        });
+      }
+    }
+    cleanDependency(shrinkwrapJson);
+
+
+    fs.writeFileSync(shrinkwrapPath, JSON.stringify(shrinkwrapJson, null, 2), 'utf-8');
+  });
+});