@agreed/core/lib/check/isContentJSON.js

agreed is a mock server and test client, agreed will be helper for Consumer Driven Contract

"use strict";

module.exports = (obj) => {
  const isContentJSON =
    obj.headers &&
    obj.headers["Content-Type"] &&
    obj.headers["Content-Type"].indexOf("application/json") >= 0;
  return isContentJSON || typeof obj.body === "object";
};