> eslint --ext .js,.jsx . "." "--ext" ".jsx,.js" /Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint-plugin-react/lib/rules/prop-types.js:403 for (var i = 0, j = node.id.properties.length; i < j; i++) { ^ TypeError: Cannot read property 'length' of undefined at markPropTypesAsUsed (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint-plugin-react/lib/rules/prop-types.js:403:47) at EventEmitter.VariableDeclarator (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint-plugin-react/lib/rules/prop-types.js:577:7) at emitOne (events.js:82:20) at EventEmitter.emit (events.js:169:7) at NodeEventGenerator.enterNode (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint/lib/util/node-event-generator.js:42:22) at CommentEventGenerator.enterNode (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint/lib/util/comment-event-generator.js:98:23) at Controller.controller.traverse.enter (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint/lib/eslint.js:767:36) at Controller.__execute (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/estraverse/estraverse.js:397:31) at Controller.traverse (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/estraverse/estraverse.js:495:28) at EventEmitter.module.exports.api.verify (/Users/justin/shakacode/react-webpack-rails-tutorial/client/node_modules/eslint/lib/eslint.js:764:24)