Add arrow-spacing rule

Requires ()=>{} to be changed to () => {}.

Updated deps.

Update README

Update the README.

ESLint 9 + Stylistic

ESLint 9 completely changed their config format and switched to ESM. This release updates the library to be compatible with ESLint 9+. If you are using CJS or ESLint 8, you will need to upgrade to use this release.

• Library is now "type": "module"
• Updated linting rules:
  • Now targets ES2025
  • ESLint 9 deprecated all stylistic rules, so we now use @Stylistic for these, where they continue to be maintained
  • No other linting rules were changed
• Renamed no-restricted-syntax.json to no-restricted-syntax.js to work better with ESLint v9
• Update README instructions for ESLint 9 and ESM
• Updated devDependencies
• Specified peerDependencies

Updates

• Updated linting rules:
  • Now targets ES2022
  • Rules all have comments to explain their use
  • Parenthesis are now mandatory in Arrow function definitions
  • In objects keys now require a space between them and values
  • Console and Debugger linting errors were removed, they only applied to NODE_ENV of 'production' anyway
  • No empty lines at the top of the file.
  • One empty line at the bottom of a file for git (EOF)
  • No more than 2 consecutive empty lines anywhere else
  • When splitting up boolean checks the && goes at the end of the line
  • An functions and if blocks cannot start or end with an empty line
• Added Code of Conduct
• Created a no-restricted-syntax.json file for merging with other rules
• Update README to include instructions regarding no-restricted-syntax.json
• Updated devDependencies
• Set up self-linting of this repo using it's own rules
• Added a test file to use when verifying new rules

Initial Release

Initial release

• Rules created
• published to npm