Utilizing only requirejs to pipe the json body

Question

Utilizing only requirejs to pipe the json body

Recently, I've switched to using requestjs and so far it's been working well for me. However, I'm curious if there's a way to pipe in a similar manner to handling promises:

function foo(url) {
  return request({ "url": url, "json": true })
}
let result = foo("https://jsonplaceholder.typicode.com/posts/1")
result.pipe(process.stdout)
result.on('data', console.log)

Using pipe, I can't directly access the object itself, which limits my ability to only stream the body.
Additionally, the on method doesn't adhere to my specifications for parsing the response as JSON.

As a result, I'm unable to simply extract the JSON data I receive. While I could use JSON.parse, I'm hoping to find a more straightforward way of handling the response (similar to promises) as I feel like there might be a greater solution that I'm overlooking.

javascript json requestjs

Answer 1

Answer №1

Do you have a specific requirement for using streams? You always have the option to encapsulate the request in a promise.

Although this explanation is quite advanced, it should point you in the right direction.

function sendRequest(parameters) {
  return Promise((resolve, reject) => {
    request(parameters, (error, response) => {
      if (error) {
        return reject(error);
      }
      return resolve(response);
    };
  });
}

const parameters = {
  url: 'foo.com',
  method: 'GET',
  json: true,
};

sendRequest(parameters)
  .then(response => {
    if (response.statusCode === 200) {
      return Promise.resolve(response.body);
    } else if (response.statusCode === 404) {
      const error = {
        message: 'Not Found',
        code: 404,
      };
      return Promise.reject(error);
    }
  })
  .then(body => // perform operations on the data)
  .catch(error => // handle the error);

Answer 2

Do you have a specific requirement for using streams? You always have the option to encapsulate the request in a promise.

Although this explanation is quite advanced, it should point you in the right direction.

function sendRequest(parameters) {
  return Promise((resolve, reject) => {
    request(parameters, (error, response) => {
      if (error) {
        return reject(error);
      }
      return resolve(response);
    };
  });
}

const parameters = {
  url: 'foo.com',
  method: 'GET',
  json: true,
};

sendRequest(parameters)
  .then(response => {
    if (response.statusCode === 200) {
      return Promise.resolve(response.body);
    } else if (response.statusCode === 404) {
      const error = {
        message: 'Not Found',
        code: 404,
      };
      return Promise.reject(error);
    }
  })
  .then(body => // perform operations on the data)
  .catch(error => // handle the error);

Utilizing only requirejs to pipe the json body

Answer №1

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