src/api-gen/YAMLWriter.php

<?hh // strict
/*
 *  Copyright (c) 2004-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 *
 */

namespace HHVM\UserDocumentation;

class YAMLWriter {
  public function __construct(private string $destination) {
  }

  public function write<T as BaseYAML>(typename<T> $type, T $def): string {
    invariant($type !== BaseYAML::class, 'Must specify a subtype of BaseYAML');
    $file = $this->getFileName($def);
    \file_put_contents($file, JSON\encode_shape($type, $def));
    return $file;
  }

  private function getFileName(BaseYAML $def): string {
    $prefix = $def['type'];

    $def_name = \strtr($def['data']['name'], "\\", '.');

    return \sprintf('%s/%s.%s.yml', $this->destination, $prefix, $def_name);
  }
}