Paul Gschwendtner ca677481a2 fix(core): undecorated-classes-with-decorated-fields migration should avoid error if base class has no value declaration (#36543)
The undecorated-classes-with-decorated-fields migration relies on
the type checker to resolve base classes of individual classes.

It could happen that resolved base classes have no value declaration.
e.g. if they are declared through an interface in the default types.
Currently the migration will throw in such situations because it assumes
that `ts.Symbol#valueDeclaration` is always present. This is not the
case, but we don't get good type-checking here due to a bug in the
TypeScript types. See:
https://github.com/microsoft/TypeScript/issues/24706.

Fixes #36522.

PR Close #36543
2020-04-10 13:53:15 -07:00
..
2020-01-13 07:21:43 -08:00

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