- Using `defineComponent` to wrap component up for Volar support, this should close#841
- Also made changes for some typing
- Removed `merge.ts` since `Object.assign` are now supported natively
* bumping version
* build(core): bumping vue version
- Bumping up vue version from ^3.0.0 to ^3.0.3 due to the change of `emitOptions`
* Remove transition mock/Add before-enter and before-leave hook emitter for popper