Function setFormDataHeaders

lib/helpers/resolveConfig.js:13–24

(headers, formHeaders, policy)

const FORM_DATA_CONTENT_HEADERS = ['content-type', 'content-length'];

function setFormDataHeaders(headers, formHeaders, policy) {
  if (policy !== 'content-only') {
    headers.set(formHeaders);
    return;
  }

  Object.entries(formHeaders || {}).forEach(([key, val]) => {
    if (FORM_DATA_CONTENT_HEADERS.includes(key.toLowerCase())) {
      headers.set(key, val);
    }
  });
}

/**
 * Encode a UTF-8 string to a Latin-1 byte string for use with btoa().