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node_modules/undefsafe/lib/undefsafe.js

@@ -0,0 +1,33 @@
+'use strict';
+
+function undefsafe(obj, path) {
+  var parts = path.split('.');
+  var key = null;
+  var type = typeof obj;
+
+  // we're dealing with a primative
+  if (type !== 'object' && type !== 'function') {
+    return obj;
+  } else if (path.trim() === '') {
+    return obj;
+  }
+
+  while ((key = parts.shift())) {
+    obj = obj[key];
+    if (obj === undefined || obj === null) {
+      break;
+    }
+  }
+
+  // if we have a null object, make sure it's the one the user was after,
+  // if it's not (i.e. parts has a length) then give undefined back.
+  if (obj === null && parts.length !== 0) {
+    obj = undefined;
+  }
+
+  return obj;
+}
+
+if (typeof module !== 'undefined') {
+  module.exports = undefsafe;
+}