Eli Barzilay ce18254c77 optimize __createBinding ...

When the binding is itself one that was created by `__createBinding`,
re-use its descriptor, which avoids piling multiple levels of getters in
the case of multiple levels of exports.

In addition, reuse a descriptor if the bindings is marked as
non-writable and non-configurable, which makes a getter not
necessary.  (This can be done manually if needed, even though tsc
doesn't do it now.)

Also related to #46744 and to microsoft/tslib#165.

2022-01-13 15:57:51 -05:00

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baselines/reference

optimize __createBinding

2022-01-13 15:57:51 -05:00

cases

fix(47415): don't show addConvertToUnknownForNonOverlappingTypes QF in JS (#47424)

2022-01-13 11:17:36 -08:00

lib

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