Engine Reference

Engine File Type Support

Engine	File Extensions
pmd	`.cls`, `.trigger`, `.js`, `.html`, `.htm`, `.vfp`, `.component`, `.page`, `.xml`
eslint	`.js`, `.ts`, `.jsx`, `.tsx`
cpd	`.cls`, `.trigger`, `.js`, `.ts`, `.html`, `.htm`, `.vfp`, `.component`, `.page`, `.xml`
retire-js	`.js`, `.ts`, `package.json`, `package-lock.json`
regex	Configurable per rule via `file_extensions`
flow	`.flow-meta.xml`
sfge	`.cls`, `.trigger`
apexguru	`.cls`, `.trigger`

These tags can be used in rule selectors:

Tag	Meaning
`Recommended`	Default ruleset — curated for most projects
`Security`	Security vulnerabilities (CRUD, XSS, injection, crypto)
`Performance`	Performance anti-patterns (SOQL in loops, limits)
`BestPractices`	Coding standards and conventions
`CodeStyle`	Naming, formatting, braces
`Design`	Complexity, coupling, architecture
`ErrorProne`	Common bug patterns
`Documentation`	Missing docs, comments
`Apex`	Rules applying to Apex language
`JavaScript`	Rules applying to JavaScript
`TypeScript`	Rules applying to TypeScript
`HTML`	Rules applying to HTML/Visualforce
`Custom`	User-defined rules