v4.2.0

• Implement stronger mapped TypeScript type (#7) 4b96de4

v4.1.0...v4.2.0

v4.1.0

• Support symbol values in TypeScript types 0a5999a

v4.0.0...v4.1.0

v4.0.0

Breaking

• Require Node.js 12 ab1fd5d
• This package is now pure ESM. Please read this.

v3.0.1...v4.0.0

v3.0.1

• Fix the input type check (#5) a31f5d2

v3.0.0...v3.0.1

v3.0.0

Breaking:

• Require Node.js 8 (#4) fbc471a
• Invert symbol keys too (#4) fbc471a

Enhancements:

• Add TypeScript definition (#4) fbc471a

v2.0.0...v3.0.0