unjs/unbuild

#1 — build configuration quirks cluster

#2 — support build configuration options cluster

#3 — types and declaration files issues cluster

#4 — node module dependency resolution issues cluster

#5 — dependency optimization issues cluster

#6 — mkdist customization and optimization cluster

#7 — undefined improvements and enhancements cluster

#8 — test coverage improvements cluster

#9 — typescript dts compilation errors cluster

#10 — es5, dynamic imports, decorators support cluster