Auto merge of #15252 - tetsuharuohzeki:enable-unknonw-catch, r=lnicola

editor/code: Enable TypeScript's `--useUnknownInCatchVariables` option

This enables TypeScript's [`--useUnknownInCatchVariables`](https://www.typescriptlang.org/tsconfig#useUnknownInCatchVariables).

1 files changed, 3 insertions, 0 deletions

diff --git a/editors/code/tests/unit/index.ts b/editors/code/tests/unit/index.ts
index 2fa223bed4a..c231927bb00 100644
--- a/editors/code/tests/unit/index.ts
+++ b/editors/code/tests/unit/index.ts
@@ -1,3 +1,4 @@
+import * as assert from "node:assert/strict";
 import { readdir } from "fs/promises";
 import * as path from "path";
 
@@ -30,6 +31,7 @@ class Suite {
                 await test.promise;
                 ok(`  ✔ ${test.name}`);
             } catch (e) {
+                assert.ok(e instanceof Error);
                 error(`  ✖︎ ${test.name}\n  ${e.stack}`);
                 failed += 1;
             }
@@ -50,6 +52,7 @@ export class Context {
             await ctx.run();
             ok(`✔ ${name}`);
         } catch (e) {
+            assert.ok(e instanceof Error);
             error(`✖︎ ${name}\n  ${e.stack}`);
             throw e;
         }