Function evaluate

packages/dev/test-utils/src/ssrUtils.js:21–34

(code, filename)

import vm from 'vm';

export function evaluate(code, filename) {
  // Setup a context to use as the global object when evaluating code.
  // It will include React, along with a fake `require` function that resolves
  // relative to the filename that's passed in (the test script.)
  let ctx = {
    React,
    require(id) {
      return require(Module._resolveFilename(id, {filename}));
    }
  };

  vm.createContext(ctx);
  return vm.runInContext(code, ctx);
}

Module._resolveFilename = (request, parent) => {
  if (Module.builtinModules.includes(request)) {