Function normalizePatternToPath

src/utils/permissions/filesystem.ts:765–798

({
  patternRoot,
  pattern,
  rootPath,
}: {
  patternRoot: string
  pattern: string
  rootPath: string
})

}

function normalizePatternToPath({
  patternRoot,
  pattern,
  rootPath,
}: {
  patternRoot: string
  pattern: string
  rootPath: string
}): string | null {
  // If the pattern root + pattern combination starts with our reference root
  const fullPattern = posix.join(patternRoot, pattern)
  if (patternRoot === rootPath) {
    // If the pattern root exactly matches our reference root no need to change
    return prependDirSep(pattern)
  } else if (fullPattern.startsWith(`${rootPath}${DIR_SEP}`)) {
    // Extract the relative part
    const relativePart = fullPattern.slice(rootPath.length)
    return prependDirSep(relativePart)
  } else {
    // Handle patterns that are inside the reference root but not starting with it
    const relativePath = posix.relative(rootPath, patternRoot)
    if (
      !relativePath ||
      relativePath.startsWith(`..${DIR_SEP}`) ||
      relativePath === '..'
    ) {
      // Pattern is outside the reference root, so it can be skipped
      return null
    } else {
      const relativePattern = posix.join(relativePath, pattern)
      return prependDirSep(relativePattern)
    }
  }
}

export function normalizePatternsToPath(
  patternsByRoot: Map<string | null, string[]>,