Include returnName in error message

TooTallNate · Oct 18, 2019 · 1da95f5 · 1da95f5
1 parent 3aa6caa
commit 1da95f5
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -165,7 +165,7 @@ namespace degenerator {
 		);
 		if (typeof fn !== 'function') {
 			throw new Error(
-				`Expected a function to be returned, but got ${typeof fn}`
+				`Expected a "function" to be returned for \`${returnName}\`, but got "${typeof fn}"`
 			);
 		}
 		if (isAsyncFunction(fn)) {

diff --git a/test/test.ts b/test/test.ts
@@ -159,7 +159,7 @@ describe('degenerator()', () => {
 			assert(err);
 			assert.equal(
 				err.message,
-				'Expected a function to be returned, but got number'
+				'Expected a "function" to be returned for `foo`, but got "number"'
 			);
 		});
 	});