index.js

const exception = {
  data: {
    error: {
      type: "Runtime Error",
      description: "asdf asdf asdf asdf",
      handled: true
    },
    extension: {
      response: {
        statusCode: 500,
        StatusText: "Service Unavailable"
      },
      exception: {},
      correlationId: "13287421389746123897467812364",
      stacktrace: []
    }
  }
};

const whitelist = ["data.error", "data.extension.correlationId"];

export const filterObject = (originalObject, propertiesWhiteList) => {
  const newObject = {};

  propertiesWhiteList.forEach(properties => {
    const propertyStack = properties.split(".");
    const maxDepth = propertyStack.length - 1;

    let currentDepthNew = newObject;
    let currentDepthOriginal = originalObject;

    propertyStack.forEach((property, depth) => {
      if (property in currentDepthOriginal) {
        if (depth === maxDepth) {
          currentDepthNew[property] = currentDepthOriginal[property];
        } else {
          if (!(property in currentDepthNew)) {
            currentDepthNew[property] = {};
          }
          currentDepthNew = currentDepthNew[property];
          currentDepthOriginal = currentDepthOriginal[property];
        }
      }
    });
  });

  return newObject;
};

const filteredObject = filterObject(exception, whitelist);
console.log(filteredObject);