fix: Replace Map with WeakMap to avoid memory leak #4517
Merged
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#minor
Description
This PR replaces the use of Map with WeakMap in the LanguageGeneratorExtensions and ExpressionParser classes due to a memory leak issue reported in a JS Composer bot.
Specific Changes
_languageGeneratorManagers
with WeakMap inLanguageGeneratorExtensions
.expressionDict
with WeakMap inExpressionParser
. Also, changed the type of the key as WeakMap only supports objects.Testing
The unit tests passed after the changes.