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linting.md

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Linting & formatting

This project uses ESLint, Stylelint, Markdownlint, and Prettier to catch errors and avoid bikeshedding by enforcing a common code style.

Languages

  • JavaScript is linted by ESLint and formatted by Prettier
  • HTML (in templates and JSX) is linted by ESLint
  • CSS is linted by Stylelint and formatted by Prettier
  • Markdown is linted by Markdownlint and formatted by Prettier
  • JSON is formatted by Prettier
  • Images are minified by imagemin-lint-staged (only on pre-commit)

Scripts

There are a few different contexts in which the linters run.

Terminal

# Lint all files, fixing many violations automatically
yarn lint

See package.json to update.

Pre-commit

Staged files are automatically linted and tested before each commit. See lint-staged.config.js to update. Yorkie is used by @vue/cli-plugin-eslint to install the pre-commit hook.

Editor

In supported editors, all files will be linted and formatted on-save. See editors.md for details.

Configuration

This boilerplate ships with opinionated defaults, but you can edit each tools configuration in the following config files:

FAQ

So many configuration files! Why not move more of this to package.json?

  • Moving all possible configs to package.json can make it really packed, so that quickly navigating to a specific config becomes difficult.
  • When split out into their own file, many tools provide the option of exporting a config from JS. I do this wherever possible, because dynamic configurations are simply more powerful, able to respond to environment variables and much more.