fix: align encoding APIs to spec using WPT (#9004)

1 files changed, 8 insertions, 0 deletions

diff --git a/core/bindings.rs b/core/bindings.rs
index d9c875e60..eb46e6ef2 100644
--- a/core/bindings.rs
+++ b/core/bindings.rs
@@ -654,6 +654,14 @@ fn decode(
     )
   };
 
+  // Strip BOM
+  let buf =
+    if buf.len() >= 3 && buf[0] == 0xef && buf[1] == 0xbb && buf[2] == 0xbf {
+      &buf[3..]
+    } else {
+      buf
+    };
+
   // If `String::new_from_utf8()` returns `None`, this means that the
   // length of the decoded string would be longer than what V8 can
   // handle. In this case we return `RangeError`.