only record an error if it is present

jamesward · Jan 30, 2024 · 7130ede · 7130ede
1 parent 6a3d294
commit 7130ede
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/javascript-effection/README.md b/javascript-effection/README.md
@@ -18,7 +18,7 @@ $ deno task test
 You will need [Node](https://nodejs.org) >= 18 installed. If you are using,
 [Volta](https://volta.sh) this will be configured for you automatically.
 
-``` shellsession
+```shellsession
 $ npm install
 $ npx tsx --test easyracer.test.ts
 ```
diff --git a/javascript-effection/test-helpers.ts b/javascript-effection/test-helpers.ts
@@ -57,9 +57,12 @@ export function rightOrNot(ops: Operation<unknown>[]): Operation<string> {
  });
  tasks.push(task);
  }
- let last: unknown = null;
+ let last = "";
  for (let task of tasks) {
- last = yield* task;
+ let result = yield* task;
+ if (result) {
+ last = String(result);
+ }
  }
  // not!
  resolve(String(last));