Add TimeoutError and HTTPError to ky TypeScript namespace (#241)

Co-authored-by: Sindre Sorhus <sindresorhus@gmail.com>
sindresorhus · Mar 6, 2020 · 9c9dfe9 · 9c9dfe9
1 parent d547e89
commit 9c9dfe9
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diff --git a/index.d.ts b/index.d.ts
@@ -458,4 +458,9 @@ declare const ky: {
 	readonly HTTPError: typeof HTTPError;
 };
 
+declare namespace ky {
+	export type TimeoutError = InstanceType<typeof ky.TimeoutError>;
+	export type HTTPError = InstanceType<typeof ky.HTTPError>;
+}
+
 export default ky;
diff --git a/index.test-d.ts b/index.test-d.ts
@@ -140,3 +140,17 @@ ky(url, {
 		afterStatusCodes: []
 	}
 });
+
+try {
+	await ky.get(url);
+} catch (error) {
+	if (error instanceof ky.HTTPError) {
+		expectType<ky.HTTPError>(error);
+		const {status} = error.response;
+		expectType<number>(status);
+	} else if (error instanceof ky.TimeoutError) {
+		expectType<ky.TimeoutError>(error);
+	} else {
+		throw error;	
+	}
+}