throw Error()

in src/Collection.js [213:256]

• 15 lines of code
• 5 McCabe index (conditional complexity)

      throw Error(
        'You cannot call "get" on a collection with no paths. ' +
        'Instead, check the "length" property first to verify at least 1 path exists.'
      );
    }
    return path.get.apply(path, arguments);
  }

  /**
   * Returns the type(s) of the collection. This is only used for unit tests,
   * I don't think other consumers would need it.
   *
   * @return {Array<string>}
   */
  getTypes() {
    return this._types;
  }

  /**
   * Returns true if this collection has the type 'type'.
   *
   * @param {Type} type
   * @return {boolean}
   */
  isOfType(type) {
    return !!type && this._types.indexOf(type.toString()) > -1;
  }
}

/**
 * Given a set of paths, this infers the common types of all paths.
 * @private
 * @param {Array} paths An array of paths.
 * @return {Type} type An AST type
 */
function _inferTypes(paths) {
  let _types = [];

  if (paths.length > 0 && Node.check(paths[0].node)) {
    const nodeType = types[paths[0].node.type];
    const sameType = paths.length === 1 ||
      paths.every(path => nodeType.check(path.node));

    if (sameType) {