v3.0.0-alpha.0

• update package.json for any branch 28e5dcf
• fix: typescript type 6131c86
• test: use rc-util tool and remove extra test code 2f505e3
• remove extra code 8199f40
• merge visible state and use trigger stretch prop replace afterPopupVisibleChange 7869f11
• use getRootDomNode replace findDomNode achieve minOverlayWidthMatchTrigger b953f5c
• refactor test suite ae7d47f
• refactor: upgrade rc-trigger 38eeb56
• Update bootstrap requirement from ~3.4.0 to ~4.3.1 993fad0
• Add type definition c308fec
• Update README.md: additional props 1142c3a

2.4.1...v3.0.0-alpha.0