fix(op_crates/web): TextEncoder should return error message with original input (#8005)

2 files changed, 4 insertions, 4 deletions

diff --git a/op_crates/web/08_text_encoding.js b/op_crates/web/08_text_encoding.js
index 5a84ea8a4..d93319758 100644
--- a/op_crates/web/08_text_encoding.js
+++ b/op_crates/web/08_text_encoding.js
@@ -973,8 +973,8 @@
       if (options.fatal) {
         this.fatal = true;
       }
-      label = String(label).trim().toLowerCase();
-      const encoding = encodings.get(label);
+      const _label = String(label).trim().toLowerCase();
+      const encoding = encodings.get(_label);
       if (!encoding) {
         throw new RangeError(
           `The encoding label provided ('${label}') is invalid.`,
diff --git a/op_crates/web/text_encoding_test.js b/op_crates/web/text_encoding_test.js
index 7f6774ed4..9a4bb492b 100644
--- a/op_crates/web/text_encoding_test.js
+++ b/op_crates/web/text_encoding_test.js
@@ -163,10 +163,10 @@ function textDecoderASCII() {
 function textDecoderErrorEncoding() {
   let didThrow = false;
   try {
-    new TextDecoder("foo");
+    new TextDecoder("Foo");
   } catch (e) {
     didThrow = true;
-    assert(e.message === "The encoding label provided ('foo') is invalid.");
+    assert(e.message === "The encoding label provided ('Foo') is invalid.");
   }
   assert(didThrow);
 }