fix(stylistic): apply javascript formatting conventions

[MikeMcC399]

Situation

JavaScript code linting for consistent formatting is not implemented in this repo.

Comparison

@stylistic/eslint-plugin has already been implemented in the following repos:

• https://github.com/cypress-io/cypress-docker-images
• https://github.com/cypress-io/cypress-example-kitchensink
• https://github.com/cypress-io/github-action

In cypress-docker-images and github-action the following rules are already being applied, in addition to the recommended rules stylistic.configs.recommended from the plugin:

    rules: {
      '@stylistic/indent': ['error', 2],
      '@stylistic/comma-dangle': ['error', 'always-multiline'],
      '@stylistic/quotes': ['error', 'single'],
      '@stylistic/semi': ['error', 'never'],
    },

Change

• Add linting using @stylistic/eslint-plugin using stylistic.configs.recommended and the following explicitly applied rules:

  '@stylistic/arrow-parens': ['error', 'always'],
  '@stylistic/indent': ['error', 2],
  '@stylistic/comma-dangle': ['error', 'always-multiline'],
  '@stylistic/quotes': ['error', 'single'],
  '@stylistic/semi': ['error', 'never'],

• Use npx eslint --fix to conform to formatting rules.

• Manually fix @stylistic/no-mixed-operators

Verify

npm ci
npm run lint
npm test

and confirm that no linting errors are reported, no changes are made, and that tests continue to work.

[cypress-app-bot]

• Create a Draft Pull Request if your PR is not ready for review. Mark the PR as Ready for Review when you're ready for a Cypress team member to review the PR.

[jennifer-shehane]

Nice, much cleaner!

[jennifer-shehane]

🎉 This PR is included in version 5.0.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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