5.4.2
fix(dataZoom): fallback to extent start/end when parsed value or percent is invalid.
chore: fix a few typos
refact: put all core modules in the core dir. only do export in lib/echarts
refact: fix bugs caused by the refactor. export types
refact: make components installable
chore: fix several typos
chore(prepublish): transform __DEV__ to node env expr.
ts: let to const. And add eslint rule "prefer-const".
fix: not install directly to avoid installed twice.
chore: fix some typos