Bug Report

• I would like to work on a fix!

Current behavior

see

• case a
• case b

Syntax Error

Input Code

Case a

({ x, ...rest }): any => rest

Case b

({ a, b = [] }): any => {}

Expected behavior

No syntax error

See

• case a ts playground
• case b ts playground

Babel Configuration (babel.config.js, .babelrc, package.json#babel, cli command, .eslintrc)

see

• case a
• case b

Environment

see

• case a
• case b

• Babel version(s): 7.12.1
• Node/npm version: N/A
• OS: Mac OS
• Monorepo: no
• How you are using Babel: N/A

Possible Solution

Additional context