Avoid erroring with Benchmark.options event handlers. [closes #180]

benchmark.js

@@ -1473,21 +1473,24 @@
  if (key.charAt(0) == '_') {
  return;
  }
- if (value && typeof value == 'object') {
+ if (_.isObjectLike(value)) {
  if (_.isArray(value)) {
  // Check if an array value has changed to a non-array value.
  if (!_.isArray(currValue)) {
- changed = currValue = [];
+ changed = true;
+ currValue = [];
  }
  // Check if an array has changed its length.
- if (currValue.length != value.length) {
- changed = currValue = currValue.slice(0, value.length);
+ else if (currValue.length != value.length) {
+ changed = true;
+ currValue = currValue.slice(0, value.length);
  currValue.length = value.length;
  }
  }
  // Check if an object has changed to a non-object value.
- else if (!currValue || typeof currValue != 'object') {
- changed = currValue = {};
+ else if (!_.isObjectLike(currValue)) {
+ changed = true;
+ currValue = {};
  }
  // Register a changed object.
  if (changed) {