feat(babel-jest): export createTransformer function (#12399)

jestjs · Feb 15, 2022 · f4f5448 · f4f5448
1 parent b4a42eb
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ### Features
 
+- `[babel-jest]` Export `createTransformer` function ([#12399](https://github.com/facebook/jest/pull/12399))
 - `[expect]` Expose `AsymmetricMatchers`, `MatcherFunction` and `MatcherFunctionWithState` interfaces ([#12363](https://github.com/facebook/jest/pull/12363), [#12376](https://github.com/facebook/jest/pull/12376))
 - `[jest-config]` [**BREAKING**] Stop shipping `jest-environment-jsdom` by default ([#12354](https://github.com/facebook/jest/pull/12354))
 - `[jest-config]` [**BREAKING**] Stop shipping `jest-jasmine2` by default ([#12355](https://github.com/facebook/jest/pull/12355))

diff --git a/e2e/transform/babel-jest-manual/transformer.js b/e2e/transform/babel-jest-manual/transformer.js
@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-const {createTransformer} = require('babel-jest').default;
+const {createTransformer} = require('babel-jest');
 
 module.exports = createTransformer({
   presets: ['@babel/preset-flow'],

diff --git a/packages/babel-jest/src/index.ts b/packages/babel-jest/src/index.ts
@@ -149,7 +149,7 @@ async function loadBabelOptionsAsync(
   return addIstanbulInstrumentation(options, jestTransformOptions);
 }
 
-const createTransformer: CreateTransformer = userOptions => {
+export const createTransformer: CreateTransformer = userOptions => {
   const inputOptions = userOptions ?? {};
 
   const options = {