Method loadModuleFromFile

internal/module/resolver.go:1420–1433

(extensions extensions, candidate string)

}

func (r *resolutionState) loadModuleFromFile(extensions extensions, candidate string) *resolved {
	// ./foo.js -> ./foo.ts
	resolvedByReplacingExtension := r.loadModuleFromFileNoImplicitExtensions(extensions, candidate)
	if resolvedByReplacingExtension != nil {
		return resolvedByReplacingExtension
	}

	// ./foo -> ./foo.ts
	if !r.esmMode {
		return r.tryAddingExtensions(candidate, extensions, "")
	}

	return continueSearching()
}

func (r *resolutionState) loadModuleFromFileNoImplicitExtensions(extensions extensions, candidate string) *resolved {
	base := tspath.GetBaseFileName(candidate)