fix(babel): fixes the babel 6 hack

src/util/hacks.spec.ts

@@ -1,5 +1,3 @@
-import { File } from 'babel-core/lib/transformation/file'
-
 import * as hacks from './hacks'
 
 jest.mock(
@@ -20,10 +18,15 @@ jest.mock(
  { virtual: true },
 )
 
+beforeEach(() => {
+ jest.resetModules()
+})
+
 describe('patchBabelCore_githubIssue6577', () => {
  const INPUT = 'foo:bar'
  const initOptions = ({ version = '6.0.0', sourceMaps }: { version?: any; sourceMaps?: any } = {}) => {
  hacks.patchBabelCore_githubIssue6577({ version } as any)
+ const { File } = require('babel-core/lib/transformation/file')
  return new File().initOptions({ sourceMaps, inputSourceMap: true })
  }
 

src/util/hacks.ts

@@ -12,7 +12,9 @@ export const patchBabelCore_githubIssue6577: ModulePatcher<TBabelCore> = babel =
  // This is a hack to bypass it and fix our issue #627
  // The bug disallow debugging when using Babel Jest with [email protected] because of
  // source-maps not being inlined
- if (typeof babel.version === 'string' && semver.satisfies(babel.version, '>=6 <7')) {
+ if (typeof babel.version !== 'string') return babel
+ const version = semver.coerce(babel.version)
+ if (version && version.major === 6) {
  try {
  const File = require('babel-core/lib/transformation/file').File
  File.prototype.initOptions = (original => {