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    Building a React.js App: Component Validation with PropTypes
    4m 4s

Building a React.js App: Component Validation with PropTypes

InstructorTyler McGinnis

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In this video, we’ll add PropTypes to some of our existing components to ensure that each component gets the data it needs to function properly.

egghead eggo
~ 9 years ago

The lesson video has been updated!

cyberamigo
~ 9 years ago

If anyone else is having the error: "Uncaught TypeError: Cannot set property 'ReactFireMixin' of undefined" make sure to double check the webpack.config.js that was my problem lol

Shawy
~ 9 years ago

For those who learning in ES6 syntax, I believe the propTypes setting would be, for example in UserProfile component, type these lines right after class UserProfile component : UserProfile.propTypes = { username: React.PropTypes.string.isRequired, bio: React.PropTypes.object.isRequired }; It works for me :)