feat(reporters): export utils for path formatting

CHANGELOG.md

@@ -22,6 +22,7 @@
 - `[@jest/fake-timers]` Add Lolex as implementation of fake timers ([#8897](https://github.com/facebook/jest/pull/8897))
 - `[jest-get-type]` Add `BigInt` support. ([#8382](https://github.com/facebook/jest/pull/8382))
 - `[jest-matcher-utils]` Add `BigInt` support to `ensureNumbers` `ensureActualIsNumber`, `ensureExpectedIsNumber` ([#8382](https://github.com/facebook/jest/pull/8382))
+- `[jest-reporters]` Export utils for path formatting ([#9162](https://github.com/facebook/jest/pull/9162))
 - `[jest-runner]` Warn if a worker had to be force exited ([#8206](https://github.com/facebook/jest/pull/8206))
 - `[jest-snapshot]` Display change counts in annotation lines ([#8982](https://github.com/facebook/jest/pull/8982))
 - `[jest-snapshot]` [**BREAKING**] Improve report when the matcher has properties ([#9104](https://github.com/facebook/jest/pull/9104))

packages/jest-reporters/src/index.ts

@@ -5,6 +5,13 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+import {
+  formatTestPath,
+  printDisplayName,
+  relativePath,
+  trimAndFormatPath,
+} from './utils';
+
 export {Config} from '@jest/types';
 export {AggregatedResult, SnapshotSummary, TestResult} from '@jest/test-result';
 export {default as BaseReporter} from './base_reporter';
@@ -14,3 +21,9 @@ export {default as NotifyReporter} from './notify_reporter';
 export {default as SummaryReporter} from './summary_reporter';
 export {default as VerboseReporter} from './verbose_reporter';
 export {Reporter, ReporterOnStartOptions, SummaryOptions, Test} from './types';
+export const utils = {
+  formatTestPath,
+  printDisplayName,
+  relativePath,
+  trimAndFormatPath,
+};