Optimizing Compiler - Githubissues

[x] children 985d4c7422a14136091a0681469cc1fb9cb7aef7
- don't walk the entire dom tree
- const node = children(node, ...paths)
- e.g const n1 = children(t0, 1, 2, 3) -> t0.childNodes[1].childNodes[2].childNodes[3]
[x] hoist template d10a1a3c
[ ] template abbreviation of end tag
effect grouping [needs benchmark]
- group by expression?
- group by node?
[x] simplify v-on 38865c7ca1f3757d680d6844106902663bd13226
- check undefined
- put withKeys / withModifers inside of on
[x] grouping multiple interpolations 14813cec 68b0caf495bed29f6aaae3937ce60cec21a18087
[x] simplify renderEffect with a single statement 9ffd4b6c
```
_renderEffect(() => {
  _setText(n9, _ctx.remaining)
})
```
[x] return Fragment directly, without inserting/appending/prepending 99da2e5a

vuejs / vue-vapor