allow an extended constructor as global mixin (fix vue-class-component#83) #5448
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What kind of change does this PR introduce? (check at least one)
Does this PR introduce a breaking change? (check one)
If yes, please describe the impact and migration path for existing applications:
The PR fulfills these requirements:
dev
branch for v2.x (or to a previous version branch), not themaster
branchfix #xxx[,#xxx]
, where "xxx" is the issue number)Other information:
This PR moves a constructor check in
mergeOptions
to the head of the function so that we can use a extended Vue constructor not only asmixins
/extends
options but also as global mixin. This fixes vuejs/vue-class-component#83