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Diffstat (limited to 'ext/node/polyfills/internal/crypto/cipher.ts')
-rw-r--r--ext/node/polyfills/internal/crypto/cipher.ts4
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/node/polyfills/internal/crypto/cipher.ts b/ext/node/polyfills/internal/crypto/cipher.ts
index f8a46896d..d83d4fa8f 100644
--- a/ext/node/polyfills/internal/crypto/cipher.ts
+++ b/ext/node/polyfills/internal/crypto/cipher.ts
@@ -41,7 +41,9 @@ import {
isArrayBufferView,
} from "ext:deno_node/internal/util/types.ts";
-export function isStringOrBuffer(val) {
+export function isStringOrBuffer(
+ val: unknown,
+): val is string | Buffer | ArrayBuffer | ArrayBufferView {
return typeof val === "string" ||
isArrayBufferView(val) ||
isAnyArrayBuffer(val) ||