Version 3.0.0

Major

• Updated Node.js version support to ^12.20 || >= 14.13.
• Updated dev dependencies, some of which require newer Node.js versions than were previously supported.
• Added a package exports field.
• Added a package sideEffects field.
• The tests are now ESM in an .mjs file instead of CJS in a .js file.

Patch

• Updated dev dependencies.
• Updated GitHub Actions CI config:
  • Also run on pull request.
  • Updated actions/checkout to v2.
  • Updated actions/setup-node to v2.
  • Run with Node.js v12, v14, v15, v16.
  • Use the simpler npm install-test command.
  • Don’t specify the CI environment variable as it’s set by default.
• Updated the package scripts:
  • Simpler JSDoc related scripts now that jsdoc-md v10 automatically generates a Prettier formatted readme.
  • Added a test:jsdoc script that checks the readme API docs are up to date with the source JSDoc.
  • Simpler test:prettier script arguments.
• Configured Prettier option semi to the default, true.
• Removed npm-debug.log from the .gitignore file as npm v4.2.0+ doesn’t create it in the current working directory.
• Updated the EditorConfig.
• Removed the readme “Support” section.
• Added the .js file extension to a prismjs require path.
• Always use regex u mode.
• Readme tweaks.