Function getPreferredEnding

internal/modulespecifiers/preferences.go:114–139

(
	prefs UserPreferences,
	host ModuleSpecifierGenerationHost,
	compilerOptions *core.CompilerOptions,
	importingSourceFile SourceFileForSpecifierGeneration,
	oldImportSpecifier string,
	resolutionMode core.ResolutionMode,
)

}

func getPreferredEnding(
	prefs UserPreferences,
	host ModuleSpecifierGenerationHost,
	compilerOptions *core.CompilerOptions,
	importingSourceFile SourceFileForSpecifierGeneration,
	oldImportSpecifier string,
	resolutionMode core.ResolutionMode,
) ModuleSpecifierEnding {
	if len(oldImportSpecifier) > 0 {
		if tspath.HasJSFileExtension(oldImportSpecifier) {
			return ModuleSpecifierEndingJsExtension
		}
		if strings.HasSuffix(oldImportSpecifier, "/index") {
			return ModuleSpecifierEndingIndex
		}
	}
	if resolutionMode == core.ResolutionModeNone {
		resolutionMode = host.GetDefaultResolutionModeForFile(importingSourceFile)
	}
	return getModuleSpecifierEndingPreference(
		prefs.ImportModuleSpecifierEnding,
		resolutionMode,
		compilerOptions,
		importingSourceFile,
	)
}

type ModuleSpecifierPreferences struct {
	relativePreference                RelativePreferenceKind