GoogleChromeLabs#474

- changed WireValueType and MessageType to strings
- added a default branch in expose switch

Author: MrMadClown

src/comlink.ts

@@ -330,6 +330,8 @@ export function expose(obj: any, ep: Endpoint = self as any) {
             returnValue = undefined;
           }
           break;
+        default:
+          return;
       }
     } catch (value) {
       returnValue = { value, [throwMarker]: 0 };

src/protocol.ts

@@ -38,10 +38,10 @@ export interface Endpoint extends EventSource {
 }
 
 export const enum WireValueType {
-  RAW,
-  PROXY,
-  THROW,
-  HANDLER,
+  RAW = 'RAW',
+  PROXY = 'PROXY',
+  THROW = 'THROW',
+  HANDLER = 'HANDLER',
 }
 
 export interface RawWireValue {
@@ -62,12 +62,12 @@ export type WireValue = RawWireValue | HandlerWireValue;
 export type MessageID = string;
 
 export const enum MessageType {
-  GET,
-  SET,
-  APPLY,
-  CONSTRUCT,
-  ENDPOINT,
-  RELEASE,
+  GET = 'GET',
+  SET = 'SET',
+  APPLY = 'APPLY',
+  CONSTRUCT = 'CONSTRUCT',
+  ENDPOINT = 'ENDPOINT',
+  RELEASE = 'RELEASE',
 }
 
 export interface GetMessage {