prepack/lib/intrinsics/common/console.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 _index = require("../../values/index.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 */
const consoleMethods = ["assert", "clear", "count", "dir", "dirxml", "error", "group", "groupCollapsed", "groupEnd", "info", "log", "table", "time", "timeEnd", "trace", "warn"];

function _default(realm) {
  let obj = new _index.ObjectValue(realm, realm.intrinsics.ObjectPrototype, "console");

  for (let method of consoleMethods) {
    obj.defineNativeMethod(method, 0, (context, args) => {
      realm.outputToConsole(method, args);
      return realm.intrinsics.undefined;
    });
  }

  obj.defineNativeMethod("time", 0, (context, args) => {
    realm.outputToConsole("time", args);
    return realm.intrinsics.undefined;
  });
  obj.defineNativeMethod("timeEnd", 0, (context, args) => {
    realm.outputToConsole("timeEnd", args);
    return realm.intrinsics.undefined;
  });
  return obj;
}
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