Add edge extension transform

Author: am385

lib/manifestTools/transformations/edgeextension.js

@@ -0,0 +1,43 @@
+'use strict';
+
+function convertToBase (manifestInfo, callback) {
+  if (!manifestInfo || !manifestInfo.content) {
+    return callback(new Error('Manifest content is empty or not initialized.'));
+  }
+
+  return callback(undefined, manifestInfo);
+}
+
+function convertFromBase (manifestInfo, callback) {
+  if (!manifestInfo || !manifestInfo.content) {
+    return callback(new Error('Manifest content is empty or not initialized.'));
+  }
+
+  return callback(undefined, manifestInfo);
+}
+
+var validRootProperties = ['name', 'author', 'version', 'default_locale', 'description', 'manifest_version', 'icons', 'content_security_policy',
+                           'browser_action', 'page_action', 'background', 'commands', 'content_scripts', 'externally_connectable', 'homepage_url',
+                           'addressbar', 'options_page', 'permissions', 'optional_permissions', 'web_accessible_resources', 'minimum_edge_version',
+                           'key', '-ms-preload'];
+
+function matchFormat (manifestObj) {
+  var lowercasePropName;
+
+  for (var prop in manifestObj) {
+    if (manifestObj.hasOwnProperty(prop)) {
+      lowercasePropName = prop.toLowerCase();
+      if (validRootProperties.indexOf(lowercasePropName) === -1 && lowercasePropName.indexOf('_') <= 0) {
+        return false;
+      }
+    }
+  }
+
+  return true;
+}
+
+module.exports = {
+  convertToBase: convertToBase,
+  convertFromBase: convertFromBase,
+  matchFormat: matchFormat
+};