Function isWithinProjectRoot

packages/lint/src/project.ts:119–123

(projectDir: string, candidate: string)

}

function isWithinProjectRoot(projectDir: string, candidate: string): boolean {
  const projectRoot = resolve(projectDir);
  const relativePath = relative(projectRoot, candidate);
  return relativePath === "" || (!relativePath.startsWith("..") && !isAbsolute(relativePath));
}

function addCandidate(candidates: string[], candidate: string): void {
  if (!candidates.includes(candidate)) candidates.push(candidate);