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https://issues.apache.org/jira/browse/THRIFT-3293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Håkon Hitland updated THRIFT-3293:
----------------------------------
Attachment: thrift-3293-null-init.patch
Tests and possible fix
> JavaScript: null values turn into empty structs in constructor
> --------------------------------------------------------------
>
> Key: THRIFT-3293
> URL: https://issues.apache.org/jira/browse/THRIFT-3293
> Project: Thrift
> Issue Type: Bug
> Components: JavaScript - Compiler, Node.js - Compiler
> Reporter: Håkon Hitland
> Attachments: thrift-3293-null-init.patch
>
>
> Given a struct definition with an optional struct field, e.g.
> {code}
> struct Foo {
> 1: Bar bar,
> }
> {code}
> Trying to initialize it to a null value like
> {code}
> new Foo({"bar": null});
> {code}
> will instead set bar to an empty Bar object.
> This happens because the constructor tests for undefined values, but not for
> null.
> In addition to direct user calls, the internal copyList and copyMap functions
> introduced for THRIFT-3122 now often trigger this by initializing one object
> from another, making it hard to work around.
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