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LibJS: Implement Date's TimeClip AO

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Timothy Flynn 2021-12-04 18:55:59 -05:00 • committed by Linus Groh
parent b76e44f66f
commit e56be34148
2 changed files with 16 additions and 0 deletions
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15
Userland/Libraries/LibJS/Runtime/Date.cpp
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@ -389,4 +389,19 @@ Value make_date(Value day, Value time)
return tv;
}
// 21.4.1.14 TimeClip ( time ), https://tc39.es/ecma262/#sec-timeclip
Value time_clip(GlobalObject& global_object, Value time)
{
// 1. If time is not finite, return NaN.
if (!time.is_finite_number())
return js_nan();
// 2. If abs(ℝ(time)) > 8.64 × 10^15, return NaN.
if (fabs(time.as_double()) > 8.64E15)
return js_nan();
// 3. Return 𝔽(! ToIntegerOrInfinity(time)).
return Value(MUST(time.to_integer_or_infinity(global_object)));
}
}