make alternate optional

f1eac681 · nanahira · e41bbe33 · f1eac681
Commit f1eac681 authored Dec 28, 2021 by nanahira
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src/reflector.ts src/reflector.ts +1 -1

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--- a/src/reflector.ts
+++ b/src/reflector.ts
@@ -28,7 +28,7 @@ export class Reflector<M extends StringDict, AM extends StringDict> {
    metadataKey: K,
    instance: I,
    key: keyof I & (string | symbol),
-    alternate: any,
+    alternate?: any,
  ): ArrayValue<AM, K> {
    const valueFromClass = this.getArray(metadataKey, instance);
    const valueFromAlternate = alternate