code-sample-schema-validation-1

gistfile1.js

const foo = { bar: [ { hey : "you" } ] };
if ( foo && foo.bar && foo.bar.length ) {
  return foo.bar.map( items => <Component data={items.hey} /> );
}

gistfile2.js

if ( foo?.bar?.length ) {
	return foo.bar.map(items => <Component data={items.hey} />)
}

gistfile3.js

export function async someAction() {
	const response = await someHelperFunctionThatCallAnotherService();
		if (!response) {
			return dispatch({
		type: 'FAILURE'
	})
}

return dispatch({
		type: 'SUCCESS',
		data: response
	})
}