fix: fix Windows JS config loading by using file:// URLs

See issue nodejs/node#34765

Author: iiroj

lib/loadConfig.js

@@ -1,3 +1,5 @@
+import { pathToFileURL } from 'url'
+
 import { lilconfig } from 'lilconfig'
 import YAML from 'yaml'
 
@@ -21,7 +23,7 @@ const searchPlaces = [
 
 /** exported for tests */
 export const dynamicImport = (path) =>
-  import(path)
+  import(pathToFileURL(path))
     .then((module) => module.default)
     .catch((error) => {
       console.error(error)

test/index.spec.js

@@ -18,6 +18,14 @@ const mockLilConfig = (result) => {
   }))
 }
 
+/**
+ * This converts paths into `file://` urls, but this doesn't
+ * work with `import()` when using babel + jest.
+ */
+jest.mock('url', () => ({
+  pathToFileURL: (path) => path,
+}))
+
 jest.mock('../lib/getStagedFiles')
 jest.mock('../lib/gitWorkflow')
 jest.mock('../lib/validateOptions', () => ({

test/loadConfig.spec.js

@@ -14,8 +14,6 @@ describe('dynamicImport', () => {
   })
 
   it('should log errors into console', () => {
-    expect(() => dynamicImport('not-found.js')).rejects.toMatchInlineSnapshot(
-      `[Error: Cannot find module 'not-found.js' from 'lib/loadConfig.js']`
-    )
+    expect(() => dynamicImport('not-found.js')).rejects.toThrowError(`Cannot find module`)
   })
 })