fix: Add models existence check on props update

Author: Garret Meier

lib/connect-backbone-to-react.js

@@ -119,7 +119,7 @@ module.exports = function connectBackboneToReact(
  // Bind event listeners for each model that changed.
  Object.keys(this.models).forEach(mapKey => {
  const model = this.models[mapKey];
- if (this.props.models[mapKey] === this.models[mapKey] ||
+ if ((this.props.models && this.props.models[mapKey] === this.models[mapKey]) ||
  (this.context.models && this.context.models[mapKey] === this.models[mapKey])) {
  return; // Did not change.
  }

test/backbone-provider.test.js

@@ -98,5 +98,12 @@ describe('BackboneProvider', function() {
  wrapper.find('.name').everyWhere(n => n.text() === 'Harry')
  );
  });
+
+ it('should handle updates to passed props', function() {
+ const model = new Model({ name: 'Jill' });
+ wrapper.setProps({ models: { user: model }});
+
+ wrapper.find('.name').everyWhere(n => n.text() === 'Jill');
+ });
  });
 });