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const _ = require('lodash');
// returns a function that returns true if any result.layer is in any of the
// supplied layers using array intersection
// example usage: determining if the response contains only admin results
module.exports = (layers) => {
return (request, response) => {
return !_.isEmpty(
_.intersection(
// convert layers to an array if it isn't already one
_.castArray(layers),
// pull all the layer properties into an array
_.map(response.data, _.property('layer'))
));
};
};