Function normalizeModuleId

packages/vite/src/module-runner/evaluatedModules.ts:147–158

(file: string)

// /@fs/C:/root/id.js => C:/root/id.js
// file:///C:/root/id.js -> C:/root/id.js
export function normalizeModuleId(file: string): string {
  if (prefixedBuiltins.has(file)) return file

  // unix style, but Windows path still starts with the drive letter to check the root
  const unixFile = slash(file)
    .replace(/^\/@fs\//, isWindows ? '' : '/')
    .replace(/^node:/, '')
    .replace(/^\/+/, '/')

  // if it's not in the root, keep it as a path, not a URL
  return unixFile.replace(/^file:\/+/, isWindows ? '' : '/')
}