Marks Reporter's hooks as optional (#14433)

jestjs · Aug 21, 2023 · 8426b5d · 8426b5d
1 parent 085f063
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,6 +11,7 @@
 - `[jest-mock]` Revert [#13692](https://github.com/jestjs/jest/pull/13692) as it was a breaking change ([#14429](https://github.com/jestjs/jest/pull/14429))
 - `[jest-mock]` Revert [#13866](https://github.com/jestjs/jest/pull/13866) as it was a breaking change ([#14429](https://github.com/jestjs/jest/pull/14429))
 - `[jest-mock]` Revert [#13867](https://github.com/jestjs/jest/pull/13867) as it was a breaking change ([#14429](https://github.com/jestjs/jest/pull/14429))
+- `[@jest/reporters]` Marks Reporter's hooks as optional ([#14433](https://github.com/jestjs/jest/pull/14433))
 
 ### Chore & Maintenance
 

diff --git a/packages/jest-reporters/src/types.ts b/packages/jest-reporters/src/types.ts
@@ -42,17 +42,17 @@ export interface Reporter {
     test: Test,
     testCaseResult: TestCaseResult,
   ) => Promise<void> | void;
-  readonly onRunStart: (
+  readonly onRunStart?: (
     results: AggregatedResult,
     options: ReporterOnStartOptions,
   ) => Promise<void> | void;
   readonly onTestStart?: (test: Test) => Promise<void> | void;
   readonly onTestFileStart?: (test: Test) => Promise<void> | void;
-  readonly onRunComplete: (
+  readonly onRunComplete?: (
     testContexts: Set<TestContext>,
     results: AggregatedResult,
   ) => Promise<void> | void;
-  readonly getLastError: () => Error | void;
+  readonly getLastError?: () => Error | void;
 }
 
 export type ReporterContext = {