Struct Program

internal/compiler/program.go:79–119

}

type Program struct {
	opts        ProgramOptions
	checkerPool CheckerPool // always set; used as fallback for project system pools

	// compilerCheckerPool is set only when the built-in compiler checker pool is in use
	// (i.e. CreateCheckerPool was not provided). It enables grouped parallel iteration,
	// non-exclusive access for emit, and direct global diagnostics collection.
	compilerCheckerPool *checkerPool

	comparePathsOptions tspath.ComparePathsOptions

	processedFiles

	usesUriStyleNodeCoreModules core.Tristate

	commonSourceDirectory     string
	commonSourceDirectoryOnce sync.Once

	declarationDiagnosticCache collections.SyncMap[*ast.SourceFile, []*ast.Diagnostic]

	programDiagnostics         []*ast.Diagnostic
	hasEmitBlockingDiagnostics collections.Set[tspath.Path]

	sourceFilesToEmitOnce sync.Once
	sourceFilesToEmit     []*ast.SourceFile

	// Cached unresolved imports for ATA
	unresolvedImports lazyValue[collections.Set[string]]
	knownSymlinks     lazyValue[symlinks.KnownSymlinks]

	// Used by auto-imports
	packageNames lazyValue[packageNamesInfo]

	// Used by workspace/symbol
	hasTSFileOnce sync.Once
	hasTSFile     bool

	// Cached map of package names to whether they bundle types
	packagesMapOnce sync.Once
	packagesMap     map[string]bool
}

// FileExists implements checker.Program.
func (p *Program) FileExists(path string) bool {