2019-10-18

Features

• Remove try-catch if there is no side-effect in the try-block (#3166)
• Omit side-effect-free trailing cases in switch-statements (#3166)
• Remove unused labels (#3170)

Bug Fixes

• Do not remove code after labeled statements that contain a throw or return if the label is used (#3170)
• Prevent invalid code when expressions are simplified that do not follow a white-space character (#3173)
• Do not remove continue statements inside switch statements (#3166)
• Prevent trailing empty lines when tree-shaking inside switch statements (#3166)

Pull Requests

• #3166: Better try statement tree shaking (@lukastaegert)
• #3170: Handle optional control flow in labeled statements, remove unused labels (@lukastaegert)
• #3173: Add missing spaces in certain statements and expressions to avoid invalid code (@lukastaegert)