ProjectDetector

reference

1 min readUpdated 2026-07-29

Kind: Class

Source: atloria-monorepo/libs/parser-core/src/detector/project-detector.ts

ProjectDetector class

Detects project type, frameworks, package manager, and build tools by analyzing project structure and configuration files.

Methods

Method	Signature	Returns
`detect`	`detect(rootDir: string)`	`Promise<DetectedProject>`
`addFrameworkRule`	`addFrameworkRule(rule: FrameworkRule)`	`void`
`getFrameworkRules`	`getFrameworkRules()`	`FrameworkRule[]`
`hasFramework`	`hasFramework(rootDir: string, frameworkName: string)`	`Promise<boolean>`
`supportsParser`	`supportsParser(rootDir: string, parserName: string)`	`Promise<boolean>`

ProjectDetector stops the work with Error when !fs.existsSync(absoluteRootDir).
ProjectDetector stops the work with an early return when depth >= maxDepth, in 3 places.
ProjectDetector stops the work with an early return when !fs.existsSync(packageJsonPath).
ProjectDetector stops the work with an early return when fs.existsSync(path.join(rootDir, 'bun.lockb')).
ProjectDetector stops the work with an early return when fs.existsSync(path.join(rootDir, 'pnpm-lock.yaml')).
ProjectDetector stops the work with an early return when fs.existsSync(path.join(rootDir, 'yarn.lock')).

ProjectDetector handles failure in 5 places: it discards it silently in 4, and turns it into a return value in 1.