Export type for babel-jest

jestjs · Feb 16, 2022 · cc7ff8c · cc7ff8c
1 parent 2ac8aca
commit cc7ff8c
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/packages/babel-jest/src/index.ts b/packages/babel-jest/src/index.ts
@@ -19,15 +19,14 @@ import slash = require('slash');
 import type {
   TransformOptions as JestTransformOptions,
   SyncTransformer,
+  TransformerCreator,
 } from '@jest/transform';
 import {loadPartialConfig, loadPartialConfigAsync} from './loadBabelConfig';
 
 const THIS_FILE = fs.readFileSync(__filename);
 const jestPresetPath = require.resolve('babel-preset-jest');
 const babelIstanbulPlugin = require.resolve('babel-plugin-istanbul');
 
-type CreateTransformer = SyncTransformer<TransformOptions>['createTransformer'];
-
 function assertLoadedBabelConfig(
   babelConfig: Readonly<PartialConfig> | null,
   cwd: string,
@@ -148,7 +147,9 @@ async function loadBabelOptionsAsync(
   return addIstanbulInstrumentation(options, jestTransformOptions);
 }
 
-export const createTransformer: CreateTransformer = userOptions => {
+export const createTransformer: TransformerCreator<
+  TransformOptions
+> = userOptions => {
   const inputOptions = userOptions ?? {};
 
   const options = {

diff --git a/packages/jest-transform/src/types.ts b/packages/jest-transform/src/types.ts
@@ -146,7 +146,7 @@ export type Transformer<OptionType = unknown> =
   | SyncTransformer<OptionType>
   | AsyncTransformer<OptionType>;
 
-type TransformerCreator<OptionType = unknown> = (
+export type TransformerCreator<OptionType = unknown> = (
   options?: OptionType,
 ) => Transformer<OptionType>;