fix(std): Use Deno.errors where possible. (#4356)

1 files changed, 2 insertions, 9 deletions

diff --git a/std/io/iotest.ts b/std/io/iotest.ts
index 8d2cee6e2..1e922e33f 100644
--- a/std/io/iotest.ts
+++ b/std/io/iotest.ts
@@ -36,14 +36,7 @@ export class HalfReader implements Reader {
   }
 }
 
-export class ErrTimeout extends Error {
-  constructor() {
-    super("timeout");
-    this.name = "ErrTimeout";
-  }
-}
-
-/** TimeoutReader returns ErrTimeout on the second read
+/** TimeoutReader returns `Deno.errors.TimedOut` on the second read
  * with no data. Subsequent calls to read succeed.
  */
 export class TimeoutReader implements Reader {
@@ -53,7 +46,7 @@ export class TimeoutReader implements Reader {
   async read(p: Uint8Array): Promise<number | Deno.EOF> {
     this.count++;
     if (this.count === 2) {
-      throw new ErrTimeout();
+      throw new Deno.errors.TimedOut();
     }
     return this.r.read(p);
   }