function SandboxRequire()

in lib/virtual_context/SandboxRequire.ts [28:68]

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

  function SandboxRequire(file: string): any {
    let fileName = resolve(file);

    if (EXPORTS_CACHE[fileName] && options.caching) {
      return EXPORTS_CACHE[fileName];
    }

    let fileSource = fs.readFileSync(fileName, 'utf8');

    let currentModule = new NodeModule(fileName, _parentModule);
    currentModule.filename = fileName;

    let childSandboxRequire = createSandboxRequire(fileName, globals, options, EXPORTS_CACHE);

    let locals = getLocals(currentModule, childSandboxRequire);

    fileSource =
      `(function(global, ${ Object.keys(locals).join(', ') }) {
        ${options.strictMode ? '"use strict";' : ''}
        ${fileSource}
      });`;

    // Adds the default Node global variables to the custom globals, specified by the developer.
    updateGlobals();

    // Runs the loaded file source inside of a new context with the given globals.
    let runFn = vm.runInNewContext(fileSource, globals, fileName);

    let _localValues = [];
    // Iterate through all locals and push the retrieved values to the value array.
    Utils.forEach(locals, (value, key) => _localValues.push(value));

    // Run our Function inside of the new context.
    runFn.apply(currentModule.exports, [globals].concat(_localValues));

    if (options.caching) {
      EXPORTS_CACHE[fileName] = currentModule.exports;
    }

    return currentModule.exports;
  }