fix: remove deprecated jetpack-id dependency (#119)

* fix: Added to firefox_profile.js the methods needed to replace jetpack-id dependency

* fix: Removed jetpack-id from package.json dependency

* fix: Regenerated lock file after removing jetpack-id

lib/firefox_profile.js

@@ -12,7 +12,6 @@ var os = require('os'),
   AdmZip = require('adm-zip'),
   archiver = require('archiver'),
   uuid = require('uuid'),
-  getID = require('jetpack-id'),
   Finder = require('./profile_finder');
 
 var config = {
@@ -75,6 +74,37 @@ var config = {
   },
 };
 
+/**
+ * Regex taken from XPIProvider.jsm in the Addon Manager to validate proper
+ * IDs that are able to be used:
+ * https://searchfox.org/mozilla-central/rev/c8ce16e4299a3afd560320d8d094556f2b5504cd/toolkit/mozapps/extensions/internal/XPIProvider.jsm#182
+ */
+function isValidAOMAddonId (s) {
+  return /^(\{[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\}|[a-z0-9-\._]*\@[a-z0-9-\._]+)$/i.test(s || "");
+}
+
+/**
+ * Return the addon id given the addon manifest file.
+ *
+ * TODO: this still includes backward compatibility with the deprecated jetpack
+ * manifest file, it could be removed in a follow up (along with rewriting some
+ * of the test cases).
+ */
+function getID(manifest) {
+  if (manifest.id) {
+    return isValidAOMAddonId(manifest.id) ? manifest.id : null;
+  }
+
+  // This is currently used to keep the backward compatible behavior
+  // expected on the deprecated jetpack extensions manifest file.
+  if (manifest.name && typeof manifest.name == 'string') {
+    const id = `@${manifest.name}`;
+    return isValidAOMAddonId(id) ? id : null;
+  }
+
+  return null;
+}
+
 function unprefix(root, node, prefix) {
   return root[prefix + ':' + node] || root[node];
 }