Method ExplainFiles

internal/compiler/program.go:1846–1884

(w io.Writer, locale locale.Locale)

}

func (p *Program) ExplainFiles(w io.Writer, locale locale.Locale) {
	toRelativeFileName := func(fileName string) string {
		return tspath.GetRelativePathFromDirectory(p.GetCurrentDirectory(), fileName, p.comparePathsOptions)
	}
	filesExplained := 0
	explainFile := func(file ast.HasFileName) {
		fmt.Fprintln(w, toRelativeFileName(file.FileName()))
		for _, reason := range p.includeProcessor.fileIncludeReasons[file.Path()] {
			fmt.Fprintln(w, "  ", reason.toDiagnostic(p, true).Localize(locale))
		}
		for _, diag := range p.includeProcessor.explainRedirectAndImpliedFormat(p, file.Path(), toRelativeFileName) {
			fmt.Fprintln(w, "  ", diag.Localize(locale))
		}
		filesExplained++
	}

	redirectFiles := slices.Collect(maps.Values(p.redirectFilesByPath))
	slices.SortFunc(redirectFiles, func(a, b *redirectsFile) int {
		return a.index - b.index
	})

	files := p.GetSourceFiles()
	sourceFileIndex := 0
	explainSourceFiles := func(endIndex int) {
		for filesExplained < endIndex {
			explainFile(files[sourceFileIndex])
			sourceFileIndex++
		}
	}

	for _, redirectFile := range redirectFiles {
		// Explain all sourceFiles till we reach this redirectFile index
		explainSourceFiles(redirectFile.index)
		explainFile(redirectFile)
	}

	// Explain any remaining sourceFiles
	explainSourceFiles(len(files) + len(redirectFiles))
}

func (p *Program) GetLibFileFromReference(ref *ast.FileReference) *ast.SourceFile {
	path, ok := tsoptions.GetLibFileName(ref.FileName)