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LibJS: Implement parseInt()

Here's a reasonably faithful implementation of ECMAScript 2021 18.2.5.
Some corner cases are not covered, I've left them as FIXME's in the
included unit test.

Also I had to tweak JS::Value::to_i32() to always convert infinity to
zero, which is in accordance with ToInt32 AFAICT.
This commit is contained in:
Andreas Kling 2020-12-05 13:51:09 +01:00
parent 4ae0de9a37
commit e6dadd9e5b
5 changed files with 125 additions and 3 deletions

View file

@ -82,6 +82,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(is_nan);
JS_DECLARE_NATIVE_FUNCTION(is_finite);
JS_DECLARE_NATIVE_FUNCTION(parse_float);
JS_DECLARE_NATIVE_FUNCTION(parse_int);
NonnullOwnPtr<Console> m_console;