Version 2.0.0

Major

• Added a package exports field and a lib/index.mjs file to support native ESM in Node.js.
• Added package sideEffects and module fields for bundlers such as Webpack.
• Undocumented internal helpers are now private, and can no longer be imported from packages outside this package.
• Updated the package engines.node field to 10 - 12 || >= 13.7 to reflect the package exports related breaking changes.

Patch

• Updated dev dependencies.
• Added a new hard-rejection dev dependency to ensure unhandled rejections in tests exit the process with an error.
• Improved the package prepare:prettier and test:prettier scripts.
• Configured Prettier option semi to the default, true.
• Reorganized the test files.
• Simplified test/index.js.
• Ensure GitHub Actions run on pull request.