feat: override module.createRequire

packages/jest-runtime/src/__tests__/runtime_require_module.test.js

@@ -8,9 +8,12 @@
 
 'use strict';
 
+import {builtinModules, createRequire} from 'module';
 import path from 'path';
+import {pathToFileURL} from 'url';
 // eslint-disable-next-line import/default
 import slash from 'slash';
+import {onNodeVersions} from '@jest/test-utils';
 
 let createRuntime;
 
@@ -347,4 +350,70 @@ describe('Runtime requireModule', () => {
       );
       expect(exports.isJSONModuleEncodedInUTF8WithBOM).toBe(true);
     }));
+
+  onNodeVersions('>=12.12.0', () => {
+    it('overrides module.createRequire', () =>
+      createRuntime(__filename).then(runtime => {
+        const exports = runtime.requireModule(runtime.__mockRootPath, 'module');
+
+        expect(exports.createRequire).not.toBe(createRequire);
+
+        // createRequire with string
+        {
+          const customRequire = exports.createRequire(runtime.__mockRootPath);
+          expect(customRequire('./create_require_module').foo).toBe('foo');
+        }
+
+        // createRequire with URL object
+        {
+          const customRequire = exports.createRequire(
+            pathToFileURL(runtime.__mockRootPath),
+          );
+          expect(customRequire('./create_require_module').foo).toBe('foo');
+        }
+
+        // createRequire with file URL string
+        {
+          const customRequire = exports.createRequire(
+            pathToFileURL(runtime.__mockRootPath).toString(),
+          );
+          expect(customRequire('./create_require_module').foo).toBe('foo');
+        }
+
+        // createRequire with absolute module path
+        {
+          const customRequire = exports.createRequire(runtime.__mockRootPath);
+          expect(customRequire('./create_require_module').foo).toBe('foo');
+        }
+
+        // createRequire with relative module path
+        expect(() => exports.createRequireFromPath('./relative/path')).toThrow(
+          new TypeError(
+            `The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received './relative/path'`,
+          ),
+        );
+
+        // createRequireFromPath with absolute module path
+        {
+          const customRequire = exports.createRequireFromPath(
+            runtime.__mockRootPath,
+          );
+          expect(customRequire('./create_require_module').foo).toBe('foo');
+        }
+
+        // createRequireFromPath with file URL object
+        expect(() =>
+          exports.createRequireFromPath(pathToFileURL(runtime.__mockRootPath)),
+        ).toThrow(
+          new TypeError(
+            `The argument 'filename' must be string. Received '${pathToFileURL(
+              runtime.__mockRootPath,
+            )}'. Use createRequire for URL filename.`,
+          ),
+        );
+
+        expect(exports.syncBuiltinESMExports).not.toThrow();
+        expect(exports.builtinModules).toEqual(builtinModules);
+      }));
+  });
 });

packages/jest-runtime/src/__tests__/test_root/create_require_module.js

@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+module.exports.foo = 'foo';

packages/jest-runtime/src/index.ts

@@ -5,9 +5,10 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+import {URL, fileURLToPath} from 'url';
 import * as path from 'path';
 import {Script, compileFunction} from 'vm';
-import {fileURLToPath} from 'url';
+import * as nativeModule from 'module';
 import {Config} from '@jest/types';
 import {
   Jest,
@@ -17,13 +18,9 @@ import {
   ModuleWrapper,
 } from '@jest/environment';
 import {SourceMapRegistry} from '@jest/source-map';
-import jestMock = require('jest-mock');
-import HasteMap = require('jest-haste-map');
 import {formatStackTrace, separateMessageFromStack} from 'jest-message-util';
-import Resolver = require('jest-resolve');
 import {createDirectory, deepCyclicCopy} from 'jest-util';
 import {escapePathForRegex} from 'jest-regex-util';
-import Snapshot = require('jest-snapshot');
 import {
   ScriptTransformer,
   ShouldInstrumentOptions,
@@ -35,11 +32,15 @@ import {
 import {V8CoverageResult} from '@jest/test-result';
 import {CoverageInstrumenter, V8Coverage} from 'collect-v8-coverage';
 import * as fs from 'graceful-fs';
-import stripBOM = require('strip-bom');
 import {run as cliRun} from './cli';
 import {options as cliOptions} from './cli/args';
 import {findSiblingsWithFileExtension} from './helpers';
 import {Context as JestContext} from './types';
+import jestMock = require('jest-mock');
+import HasteMap = require('jest-haste-map');
+import Resolver = require('jest-resolve');
+import Snapshot = require('jest-snapshot');
+import stripBOM = require('strip-bom');
 
 type HasteMapOptions = {
   console?: Console;
@@ -887,6 +888,64 @@ class Runtime {
       return this._environment.global.process;
     }
 
+    if (moduleName === 'module') {
+      const createRequire = (modulePath: string | URL) => {
+        const filename =
+          typeof modulePath === 'string'
+            ? modulePath.startsWith('file:///')
+              ? fileURLToPath(new URL(modulePath))
+              : modulePath
+            : fileURLToPath(modulePath);
+
+        if (!path.isAbsolute(filename)) {
+          const error = new TypeError(
+            `The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received '${filename}'`,
+          );
+          // @ts-ignore
+          error.code = 'ERR_INVALID_ARG_TYPE';
+          throw error;
+        }
+
+        return this._createRequireImplementation({
+          children: [],
+          exports: {},
+          filename,
+          id: filename,
+          loaded: false,
+        });
+      };
+
+      const overriddenModules: Partial<typeof nativeModule> = {};
+
+      if ('createRequire' in nativeModule) {
+        overriddenModules.createRequire = createRequire;
+      }
+      if ('createRequireFromPath' in nativeModule) {
+        overriddenModules.createRequireFromPath = (filename: string | URL) => {
+          if (typeof filename !== 'string') {
+            const error = new TypeError(
+              `The argument 'filename' must be string. Received '${filename}'.${
+                filename instanceof URL
+                  ? ' Use createRequire for URL filename.'
+                  : ''
+              }`,
+            );
+            // @ts-ignore
+            error.code = 'ERR_INVALID_ARG_TYPE';
+            throw error;
+          }
+          return createRequire(filename);
+        };
+      }
+      if ('syncBuiltinESMExports' in nativeModule) {
+        overriddenModules.syncBuiltinESMExports = () => {};
+      }
+
+      return Object.keys(overriddenModules).length > 0
+        ? {...nativeModule, ...overriddenModules}
+        : nativeModule;
+    }
+
     return require(moduleName);
   }
 

yarn.lock

@@ -2244,9 +2244,9 @@
     "@types/node" "*"
 
 "@types/node@*", "@types/node@>= 8":
-  version "13.5.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-13.5.2.tgz#3de53b55fd39efc428a901a0f6db31f761cfa131"
-  integrity sha512-Fr6a47c84PRLfd7M7u3/hEknyUdQrrBA6VoPmkze0tcflhU5UnpWEX2kn12ktA/lb+MNHSqFlSiPHIHsaErTPA==
+  version "13.7.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-13.7.0.tgz#b417deda18cf8400f278733499ad5547ed1abec4"
+  integrity sha512-GnZbirvmqZUzMgkFn70c74OQpTTUcCzlhQliTzYjQMqg+hVKcDnxdL19Ne3UdYzdMA/+W3eb646FWn/ZaT1NfQ==
 
 "@types/prettier@^1.16.1":
   version "1.19.0"