const sampleSchema = {
$schema: 'http://json-schema.org/draft-07/schema#',
title: 'Sample Validation Schema',
type: 'object',
required: [ 'thing1' ],
properties: {
thing1: { type: 'string' },
thing2: { type: 'string', minLength: 1 }
}
};

const validateSchema = (schema) => {
const validate = validator.generateValidator(schema);

return async (context, obj) => {
validate({ log: context.log }, obj);
};
};

return validateSchema(sampleSchema)(context, requestBody)
.then(()) => {
// Passed validation - do something awesome
}
.catch(err => {
// One or more things failed validation.
// err.status = 400
// err.message = Human readable message
// err.validationErrors = Array of validation failures
});