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LibJS: Use is_unicode_surrogate more

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No behavior change.
This commit is contained in:
Nico Weber 2023-01-22 14:04:28 -05:00 • committed by Linus Groh
parent 868b358b1a
commit 401246ae21
2 changed files with 2 additions and 2 deletions
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2
Userland/Libraries/LibJS/Runtime/JSONObject.cpp
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@ -383,7 +383,7 @@ DeprecatedString JSONObject::quote_json_string(DeprecatedString string)
break;
default:
// b. Else if C has a numeric value less than 0x0020 (SPACE), or if C has the same numeric value as a leading surrogate or trailing surrogate, then
if (code_point < 0x20 || Utf16View::is_high_surrogate(code_point) || Utf16View::is_low_surrogate(code_point)) {
if (code_point < 0x20 || is_unicode_surrogate(code_point)) {
// i. Let unit be the code unit whose numeric value is that of C.
// ii. Set product to the string-concatenation of product and UnicodeEscape(unit).
builder.appendff("\\u{:04x}", code_point);

2
Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
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@ -121,7 +121,7 @@ CodePoint code_point_at(Utf16View const& string, size_t position)
auto code_point = static_cast<u32>(first);
// 5. If first is not a leading surrogate or trailing surrogate, then
if (!Utf16View::is_high_surrogate(first) && !Utf16View::is_low_surrogate(first)) {
if (!is_unicode_surrogate(first)) {
// a. Return the Record { [[CodePoint]]: cp, [[CodeUnitCount]]: 1, [[IsUnpairedSurrogate]]: false }.
return { false, code_point, 1 };
}