prepack/lib/intrinsics/node/bootstrap.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 = function (realm) {
  // Extract the bootstrap source code from the hosting Node version.
  let nodeSourceCode = process.binding("natives");
  let bootstrapSource = nodeSourceCode["internal/bootstrap_node"];
  let bootstrapFilename = "bootstrap_node.js";
  if (!bootstrapSource) {
    throw new _errors.FatalError("The node-cli mode is only compatible with Node 7.");
  }

  // We evaluate bootstrap script to get the bootstrap function.
  let bootstrapFn = realm.$GlobalEnv.execute(bootstrapSource, bootstrapFilename, "");

  if (!(bootstrapFn instanceof _index.FunctionValue) || !bootstrapFn.$Call) {
    throw new _errors.FatalError("The node bootstrap script should always yield a function.");
  }

  return bootstrapFn;
};

var _errors = require("../../errors.js");

var _index = require("../../values/index.js");
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