fix: determination of whether we are running in a Worker

sqs · sqs · commit 6d9934f2bf3a · 2018-09-10T22:47:27.000-07:00
diff --git a/src/jsonrpc2/transports/webWorker.ts b/src/jsonrpc2/transports/webWorker.ts
@@ -115,7 +115,7 @@ export function createWebWorkerMessageTransports(worker: Worker = globalWorkerSc
 
 function globalWorkerScope(): Worker {
     const worker: Worker = global as any
-    if (!isFunction(worker.postMessage) || !isFunction(worker.terminate)) {
+    if (!isFunction(worker.postMessage) || 'document' in worker) {
         throw new Error('global scope is not a Worker')
     }
     return worker

Original file line number	Diff line number	Diff line change
`@@ -115,7 +115,7 @@ export function createWebWorkerMessageTransports(worker: Worker = globalWorkerSc`
`115`	`115`
`116`	`116`	`function globalWorkerScope(): Worker {`
`117`	`117`	`const worker: Worker = global as any`
`118`		`- if (!isFunction(worker.postMessage) \|\| !isFunction(worker.terminate)) {`
	`118`	`+ if (!isFunction(worker.postMessage) \|\| 'document' in worker) {`
`119`	`119`	`throw new Error('global scope is not a Worker')`
`120`	`120`	`}`
`121`	`121`	`return worker`