Function throwIfDepthExceeded

lib/helpers/formDataToJSON.js:9–16

(index)

const MAX_DEPTH = DEFAULT_FORM_DATA_MAX_DEPTH;

function throwIfDepthExceeded(index) {
  if (index > MAX_DEPTH) {
    throw new AxiosError(
      'FormData field is too deeply nested (' + index + ' levels). Max depth: ' + MAX_DEPTH,
      AxiosError.ERR_FORM_DATA_DEPTH_EXCEEDED
    );
  }
}

/**
 * It takes a string like `foo[x][y][z]` and returns an array like `['foo', 'x', 'y', 'z']