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fixes #40: account for mutation of map in getOrInsertComputed callbacks #71

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Dec 3, 2024
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fixes #40: account for mutation of map in getOrInsertComputed callbacks #71

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8 changes: 8 additions & 0 deletions spec.emu
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,10 @@ contributors: Jonas Haukenes, Daniel Minor
1. For each Record { [[Key]], [[Value]] } _p_ of _M_.[[MapData]], do
1. If _p_.[[Key]] is not ~empty~ and SameValue(_p_.[[Key]], _key_) is *true*, return _p_.[[Value]].
1. Let _value_ be ? Call(_callbackfn_, *undefined*, « _key_ »).
1. For each Record { [[Key]], [[Value]] } _p_ of _M_.[[MapData]], do
1. If _p_.[[Key]] is not ~empty~ and SameValue(_p_.[[Key]], _key_) is *true*, then
1. Set _p_.[[Value]] to _value_.
1. Return _value_.
1. Let _p_ be the Record { [[Key]]: _key_, [[Value]]: _value_ }.
1. Append _p_ to _M_.[[MapData]].
1. Return _value_.
Expand Down Expand Up @@ -75,6 +79,10 @@ contributors: Jonas Haukenes, Daniel Minor
1. For each Record { [[Key]], [[Value]] } _p_ of _M_.[[WeakMapData]], do
1. If _p_.[[Key]] is not ~empty~ and SameValue(_p_.[[Key]], _key_) is *true*, return _p_.[[Value]].
1. Let _value_ be ? Call(_callbackfn_, *undefined*, « _key_ »).
1. For each Record { [[Key]], [[Value]] } _p_ of _M_.[[WeakMapData]], do
1. If _p_.[[Key]] is not ~empty~ and SameValue(_p_.[[Key]], _key_) is *true*, then
1. Set _p_.[[Value]] to _value_.
1. Return _value_.
1. Let _p_ be the Record { [[Key]]: _key_, [[Value]]: _value_ }.
1. Append _p_ to _M_.[[WeakMapData]].
1. Return _value_.
Expand Down