5.3.3
chore: use `seriesIndex`
chore: remove some unintentional comment
feat(state): add emphasis.disabled
refact: make components installable
chore: reuse noop function from zrender util to reduce redundant code.
refact: put all core modules in the core dir. only do export in lib/echarts
fix(decal): sankey, treemap, sunburst, radar