Coding Standards

Lumbermill enforces consistent code style across all languages. Most rules are automated — run the linters below before pushing and fix any violations before code review.

Tooling

Tool	Language	Config	Run
PHP Code Sniffer	PHP	phpcs.xml	ddev composer test
PHPStan	PHP	phpstan.neon	ddev composer run-script phpstan
ESLint	JavaScript	eslint.config.js	ddev npm run lint:js
Stylelint	SCSS	.stylelintrc	ddev npm run lint:scss
Prettier	Twig	.prettierrc	ddev npm run prettier

Run all linters at once:

ddev npm run lint && ddev npm run prettier && ddev composer test

Standards

PHP

Type declarations, naming, PSR-2

JavaScript

ES6 modules, naming, async patterns

SCSS

File structure, BEM in SCSS, variables

BEM

Block Element Modifier naming convention

HTML / Twig

Semantic HTML, accessibility, Twig patterns