From f798a65132e2733371f80bce6d4aaef39b03b08b Mon Sep 17 00:00:00 2001
From: Simen Bekkhus <sbekkhus91@gmail.com>
Date: Fri, 30 Oct 2020 23:36:59 +0100
Subject: [PATCH] chore: handle file URLs in dynamic imports (#10744)

---
 CHANGELOG.md                                       | 3 ++-
 e2e/__tests__/__snapshots__/nativeEsm.test.ts.snap | 2 +-
 e2e/native-esm/__tests__/native-esm.test.js        | 6 ++++++
 packages/jest-runtime/src/index.ts                 | 4 ++++
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a900a6999761..f30c724de98c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@
 - `[babel-plugin-jest-hoist]` Preserve order of hoisted mock nodes within containing block ([#10536](https://github.com/facebook/jest/pull/10536))
 - `[expect]` Stop modifying the sample in `expect.objectContaining()` ([#10711](https://github.com/facebook/jest/pull/10711))
 - `[jest-circus, jest-jasmine2]` fix: don't assume `stack` is always a string ([#10697](https://github.com/facebook/jest/pull/10697))
-- `[jest-config]` Fix bug introduced in watch mode by PR[#10678](https://github.com/facebook/jest/pull/10678/files#r511037803) ([#10692](https://github.com/facebook/jest/pull/10692))
+- `[jest-config]` Fix bug introduced in watch mode by PR [#10678](https://github.com/facebook/jest/pull/10678/files#r511037803) ([#10692](https://github.com/facebook/jest/pull/10692))
 - `[jest-resolve-dependencies]` Resolve mocks as dependencies ([#10713](https://github.com/facebook/jest/pull/10713))
+- `[jest-runtime]` Handle file URLs in dynamic imports ([#10744](https://github.com/facebook/jest/pull/10744))
 
 ### Chore & Maintenance
 
diff --git a/e2e/__tests__/__snapshots__/nativeEsm.test.ts.snap b/e2e/__tests__/__snapshots__/nativeEsm.test.ts.snap
index a38414134da2..e5566df1fbbd 100644
--- a/e2e/__tests__/__snapshots__/nativeEsm.test.ts.snap
+++ b/e2e/__tests__/__snapshots__/nativeEsm.test.ts.snap
@@ -10,7 +10,7 @@ Ran all test suites matching /native-esm.tla.test.js/i.
 
 exports[`on node ^12.16.0 || >=13.7.0 runs test with native ESM 1`] = `
 Test Suites: 1 passed, 1 total
-Tests:       15 passed, 15 total
+Tests:       16 passed, 16 total
 Snapshots:   0 total
 Time:        <<REPLACED>>
 Ran all test suites matching /native-esm.test.js/i.
diff --git a/e2e/native-esm/__tests__/native-esm.test.js b/e2e/native-esm/__tests__/native-esm.test.js
index 6ab61f2a21bf..fb2db4d6d7d8 100644
--- a/e2e/native-esm/__tests__/native-esm.test.js
+++ b/e2e/native-esm/__tests__/native-esm.test.js
@@ -145,3 +145,9 @@ test('supports named imports from CJS', () => {
 
   expect(Object.keys(defaultFromCjs)).toEqual(['namedFunction', 'default']);
 });
+
+test('supports file urls as imports', async () => {
+  const dynamic = await import(new URL('../stateful.mjs', import.meta.url));
+
+  expect(dynamic.default).toBe(staticImportedStateful);
+});
diff --git a/packages/jest-runtime/src/index.ts b/packages/jest-runtime/src/index.ts
index 351f5dc3e9c6..132ffc4a5e00 100644
--- a/packages/jest-runtime/src/index.ts
+++ b/packages/jest-runtime/src/index.ts
@@ -438,6 +438,10 @@ class Runtime {
       return globals;
     }
 
+    if (specifier.startsWith('file://')) {
+      specifier = fileURLToPath(specifier);
+    }
+
     const [path, query] = specifier.split('?');
 
     const resolved = this._resolveModule(referencingIdentifier, path);