fix: jsdom import (#15)

package.json

@@ -86,7 +86,7 @@
   ],
   "scripts": {
     "test": "npm run test:jest",
-    "test:all": "npm run test:jest && npm run test:tape && npm run test:native && npm run test:pure && npm run test:typescript && npm run test:fetch",
+    "test:all": "npm run test:jest && npm run test:tape && npm run test:native && npm run test:pure && npm run test:typescript && npm run test:fetch && npm run test:jsdom",
     "test:native": "EXODUS_TEST_IGNORE='{**/typescript/**,**/jest-repo/**/user.test.js}' ./bin/index.js --jest 'tests/**/*.test.{js,cjs,mjs}'",
     "test:typescript": "./bin/index.js --jest --typescript tests/typescript.test.ts",
     "test:jest": "./bin/index.js --jest --esbuild",
@@ -95,6 +95,7 @@
     "test:bun": "EXODUS_TEST_ENGINE=bun:pure EXODUS_TEST_IGNORE='tests/jest-extended/**' npm run test",
     "test:hermes": "EXODUS_TEST_ENGINE=hermes:bundle EXODUS_TEST_IGNORE='tests/{{jest-extended,inband}/**,jest-when/when.test.*,jest/jest.{mock,resetModules}.*}' npm run test",
     "test:fetch": "./bin/index.js --jest --drop-network --engine node:pure tests/fetch.test.js tests/websocket.test.js",
+    "test:jsdom": "EXODUS_TEST_JEST_CONFIG='{\"testMatch\":[\"**/*.jsdom-test.js\"],\"testEnvironment\":\"jsdom\", \"rootDir\": \".\"}' ./bin/index.js --jest",
     "coverage": "./bin/index.js --jest --esbuild --coverage",
     "lint": "prettier --list-different . && eslint .",
     "lint:fix": "prettier --write . && eslint --fix ."

src/jest.config.js

@@ -110,7 +110,10 @@ export async function installJestEnvironment(jestGlobals) {
     }
   } else if (config.rootDir) {
     const { resolve } = await import('node:path')
-    dynamicImport = (path) => import(resolve(config.rootDir, path))
+    const { createRequire } = await import('node:module')
+    const require = createRequire(resolve(config.rootDir, 'package.json'))
+
+    dynamicImport = (path) => import(require.resolve(path))
   } else {
     dynamicImport = async () => assert.fail('Unreachable: importing plugins without a rootDir')
   }

tests/jest/jsdom/index.jsdom-test.js

@@ -0,0 +1,5 @@
+describe('jsdom', () => {
+  test('initializes jsdom', () => {
+    expect(window.document).toBeDefined()
+  })
+})