NestjsParser

reference

1 min readUpdated 2026-07-28

Kind: Class

Source: atloria-monorepo/libs/parser-core/src/parsers/backend/nestjs.parser.ts

NestJS Parser implementation

Implements: IParser

Methods

Method	Signature	Returns
`initialize`	`initialize(config: ParserConfig)`	`Promise<void>`
`canParse`	`canParse(filePath: string)`	`boolean`
`parseFile`	`parseFile(filePath: string, content: string)`	`Promise<ParseResult>`
`parseFiles`	`parseFiles(files: ParseFileInput[])`	`Promise<ParseResult[]>`
`destroy`	`destroy()`	`Promise<void>`

NestjsParser stops the work with an early return when !ts.isCallExpression(decorator.expression), in 2 places.
NestjsParser stops the work with an early return when !/\.(controller|service|module|guard|interceptor|pipe|middleware|gateway|resolver)\.ts$/.….
NestjsParser stops the work with an early return when /\.(controller|guard|interceptor|middleware|gateway|resolver)\.ts$/.test(filePath).
NestjsParser stops the work with an early return when !fileContent.trim().
NestjsParser stops the work with an early return when !httpMethod.
NestjsParser stops the work with an early return when args.length === 0 || !ts.isObjectLiteralExpression(args[0]).

NestjsParser handles failure in 1 place: it turns it into a return value in all 1.