RGBCube/serenity
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2 commits

Author SHA1 Message Date
Linus Groh
2172e51246 LibJS: Implicitly break for..in loop if the RHS result is nullish 
This implements the missing step 6a of 14.7.5.6 ForIn/OfHeadEvaluation:

    a. If exprValue is undefined or null, then
        i. Return Completion { [[Type]]: break, [[Value]]: empty, [[Target]]: empty }.

In other words, this should just do nothing instead of throwing during
the undefined to object coercion:

    for (const x in undefined);
 2021-04-10 21:00:04 +02:00
Andreas Kling
13d7c09125 Libraries: Move to Userland/Libraries/ 2021-01-12 12:17:46 +01:00