prepack/lib/evaluators/ReturnStatement.js

Execute a JS bundle, serialize global state and side effects to a snapshot that can be quickly restored.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = _default;

var _singletons = require("../singletons.js");

var _completions = require("../completions.js");

/**
 * Copyright (c) 2017-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.
 */

/*  strict-local */
function _default(ast, strictCode, env, realm) {
  let arg;

  if (ast.argument) {
    arg = _singletons.Environment.GetValue(realm, env.evaluate(ast.argument, strictCode));
  } else {
    arg = realm.intrinsics.undefined;
  }

  throw new _completions.ReturnCompletion(arg, ast.loc);
}
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