2 Commits

Author SHA1 Message Date
Nicolò Ribaudo
2c31587aa1
Fix createSuper in Babel <7.5.5 (#11341)
* Fix createSuper in Babel <7.5.5

In Babel <7.5.5, addHelper only throws when called for the first time.
This was fixed by babel/babel#10208, but since we are already adding
a workaround for <7.9.0, we may as well fix <7.5.5

* Use 7.0.0 in "babel-old-version" test
2020-04-02 17:52:50 +02:00
Nicolò Ribaudo
9b976b2164
Test Babel compiled using an old version of @babel/core (#11319)
* Test Babel compiled using an old version of @babel/core

This should catch regressions where we use a new helper without a fallback
for older versions, or when we use a new @babel/traverse method.

* Enable the test
2020-03-23 22:42:40 +01:00