28+ S Missing In Props Validation Eslint React/Prop-Types Images. Don't forget to add the prop definitions outside of your class. 'params' is missing in props validation.

'params' is missing in props validation.

So each time, a value is passed through a prop, it gets validated for it's type. As shown in the example above, react proptypes are used for data type validation. Validate props indentation in jsx (fixable). Eslint is warning us because we don't tell react what data types our props should be.