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LibJS+LibWeb: Port interned bytecode strings to UTF-16

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This was almost a no-op, except we intern JS exception messages. So the
bulk of this patch is porting exception messages to UTF-16.
This commit is contained in:
Timothy Flynn 2025-08-07 19:31:52 -04:00 • committed by Jelle Raaijmakers
commit 70db474cf0
Notes: github-actions[bot] 2025-08-14 08:28:16 +00:00
162 changed files with 1405 additions and 1422 deletions
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4
Libraries/LibWeb/HTML/UniversalGlobalScope.cpp
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@ -47,7 +47,7 @@ WebIDL::ExceptionOr<String> UniversalGlobalScopeMixin::btoa(String const& data)
byte_string.ensure_capacity(data.bytes().size());
for (u32 code_point : Utf8View(data)) {
if (code_point > 0xff)
return WebIDL::InvalidCharacterError::create(realm, "Data contains characters outside the range U+0000 and U+00FF"_string);
return WebIDL::InvalidCharacterError::create(realm, "Data contains characters outside the range U+0000 and U+00FF"_utf16);
byte_string.append(code_point);
}
@ -67,7 +67,7 @@ WebIDL::ExceptionOr<String> UniversalGlobalScopeMixin::atob(String const& data)
// 2. If decodedData is failure, then throw an "InvalidCharacterError" DOMException.
if (decoded_data.is_error())
return WebIDL::InvalidCharacterError::create(realm, "Input string is not valid base64 data"_string);
return WebIDL::InvalidCharacterError::create(realm, "Input string is not valid base64 data"_utf16);
// 3. Return decodedData.
// decode_base64() returns a byte buffer. LibJS uses UTF-8 for strings. Use isomorphic decoding to convert bytes to UTF-8.