Function plugin

src/plugins/multipart.js:10–37

(formidable, options)

export const multipartType = 'multipart';
// the `options` is also available through the `options` / `formidable.options`
export default function plugin(formidable, options) {
  // the `this` context is always formidable, as the first argument of a plugin
  // but this allows us to customize/test each plugin

  /* istanbul ignore next */
  const self = this || formidable;

  // NOTE: we (currently) support both multipart/form-data and multipart/related
  const multipart = /multipart/i.test(self.headers['content-type']);

  if (multipart) {
    const m = self.headers['content-type'].match(
      /boundary=(?:"([^"]+)"|([^;]+))/i,
    );
    if (m) {
      const initMultipart = createInitMultipart(m[1] || m[2]);
      initMultipart.call(self, self, options); // lgtm [js/superfluous-trailing-arguments]
    } else {
      const err = new FormidableError(
        'bad content-type header, no multipart boundary',
        errors.missingMultipartBoundary,
        400,
      );
      self._error(err);
    }
  }
  return self;
}

// Note that it's a good practice (but it's up to you) to use the `this.options` instead
// of the passed `options` (second) param, because when you decide