Function normalizePathSegment

packages/vite/helpers/utils.ts:103–111

(segment?: string | null)

let cachedAppPath: string | undefined;

function normalizePathSegment(segment?: string | null): string | undefined {
	if (!segment) return undefined;
	const normalized = segment
		.replace(/\\/g, '/')
		.replace(/^\.\/+/, '')
		.replace(/^\/+/, '')
		.replace(/\/+$/, '');
	return normalized || undefined;
}

function deriveAppPathFromPackage(): string | undefined {
	const mainEntry = packageJson?.main;