chore: Preserve original error as cause when rethrowing (#2627)

KATO-Hiro · KATO-Hiro · commit c9f2d6bad320 · 2025-10-15T12:00:47.000Z
diff --git a/docs/dev-notes/2025-09-23/contest-task-pair-mapping/plan.md b/docs/dev-notes/2025-09-23/contest-task-pair-mapping/plan.md
@@ -148,7 +148,7 @@ export async function updateContestTaskPair(
     if (error instanceof Prisma.PrismaClientKnownRequestError && error.code === 'P2025') {
       const errorMessage = `Not found ContestTaskPair: contestId=${contestId}, taskId=${taskId}`;
       console.error(errorMessage);
-      throw new Error(errorMessage);
+      throw new Error(errorMessage, { cause: error as Error });
     }
 
     console.error('Failed to update ContestTaskPair:', error);
diff --git a/src/lib/services/contest_task_pairs.ts b/src/lib/services/contest_task_pairs.ts
@@ -117,7 +117,7 @@ export async function updateContestTaskPair(
     if (error instanceof Prisma.PrismaClientKnownRequestError && error.code === 'P2025') {
       const errorMessage = `Not found ContestTaskPair: contestId=${contestId}, taskId=${taskId}`;
       console.error(errorMessage);
-      throw new Error(errorMessage);
+      throw new Error(errorMessage, { cause: error as Error });
     }
 
     console.error('Failed to update ContestTaskPair:', error);

Original file line number	Diff line number	Diff line change
`@@ -148,7 +148,7 @@ export async function updateContestTaskPair(`
`148`	`148`	`if (error instanceof Prisma.PrismaClientKnownRequestError && error.code === 'P2025') {`
`149`	`149`	const errorMessage = `Not found ContestTaskPair: contestId=${contestId}, taskId=${taskId}`;
`150`	`150`	`console.error(errorMessage);`
`151`		`- throw new Error(errorMessage);`
	`151`	`+ throw new Error(errorMessage, { cause: error as Error });`
`152`	`152`	`}`
`153`	`153`
`154`	`154`	`console.error('Failed to update ContestTaskPair:', error);`
Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,7 @@ export async function updateContestTaskPair(`
`117`	`117`	`if (error instanceof Prisma.PrismaClientKnownRequestError && error.code === 'P2025') {`
`118`	`118`	const errorMessage = `Not found ContestTaskPair: contestId=${contestId}, taskId=${taskId}`;
`119`	`119`	`console.error(errorMessage);`
`120`		`- throw new Error(errorMessage);`
	`120`	`+ throw new Error(errorMessage, { cause: error as Error });`
`121`	`121`	`}`
`122`	`122`
`123`	`123`	`console.error('Failed to update ContestTaskPair:', error);`