Function defaultVisitor

lib/helpers/toFormData.js:200–244

* Default visitor. * * @param {*} value * @param {String|Number} key * @param {Array<String|Number>} path * @this {FormData} * * @returns {boolean} return true to visit the each prop of the value recursively

(value, key, path)

   * @returns {boolean} return true to visit the each prop of the value recursively
   */
  function defaultVisitor(value, key, path) {
    let arr = value;

    if (utils.isReactNative(formData) && utils.isReactNativeBlob(value)) {
      formData.append(renderKey(path, key, dots), convertValue(value));
      return false;
    }

    if (value && !path && typeof value === 'object') {
      if (utils.endsWith(key, '{}')) {
        // eslint-disable-next-line no-param-reassign
        key = metaTokens ? key : key.slice(0, -2);
        // eslint-disable-next-line no-param-reassign
        value = stringifyWithDepthLimit(value, 1);
      } else if (
        (utils.isArray(value) && isFlatArray(value)) ||
        ((utils.isFileList(value) || utils.endsWith(key, '[]')) && (arr = utils.toArray(value)))
      ) {
        // eslint-disable-next-line no-param-reassign
        key = removeBrackets(key);

        arr.forEach(function each(el, index) {
          !(utils.isUndefined(el) || el === null) &&
            formData.append(
              // eslint-disable-next-line no-nested-ternary
              indexes === true
                ? renderKey([key], index, dots)
                : indexes === null
                  ? key
                  : key + '[]',
              convertValue(el)
            );
        });
        return false;
      }
    }

    if (isVisitable(value)) {
      return true;
    }

    formData.append(renderKey(path, key, dots), convertValue(value));

    return false;
  }

  const exposedHelpers = Object.assign(predicates, {
    defaultVisitor,