crypto: account for disabled SharedArrayBuffer

codebytere · web-flow · commit 136a96722a15 · 2023-10-06T09:17:04.000Z
PR-URL: #50034 Reviewed-By: Filip Skokan <panva.ip@gmail.com> Reviewed-By: Matthew Aitken <maitken033380023@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
diff --git a/lib/internal/crypto/webidl.js b/lib/internal/crypto/webidl.js
@@ -184,7 +184,10 @@ function isNonSharedArrayBuffer(V) {
 }
 
 function isSharedArrayBuffer(V) {
-  return ObjectPrototypeIsPrototypeOf(SharedArrayBuffer.prototype, V);
+  // SharedArrayBuffers can be disabled with --no-harmony-sharedarraybuffer.
+  if (SharedArrayBuffer !== undefined)
+    return ObjectPrototypeIsPrototypeOf(SharedArrayBuffer.prototype, V);
+  return false;
 }
 
 converters.Uint8Array = (V, opts = kEmptyObject) => {

Original file line number	Diff line number	Diff line change
`@@ -184,7 +184,10 @@ function isNonSharedArrayBuffer(V) {`
`184`	`184`	`}`
`185`	`185`
`186`	`186`	`function isSharedArrayBuffer(V) {`
`187`		`- return ObjectPrototypeIsPrototypeOf(SharedArrayBuffer.prototype, V);`
	`187`	`+ // SharedArrayBuffers can be disabled with --no-harmony-sharedarraybuffer.`
	`188`	`+ if (SharedArrayBuffer !== undefined)`
	`189`	`+ return ObjectPrototypeIsPrototypeOf(SharedArrayBuffer.prototype, V);`
	`190`	`+ return false;`
`188`	`191`	`}`
`189`	`192`
`190`	`193`	`converters.Uint8Array = (V, opts = kEmptyObject) => {`