Function normalizePatternsToPath

src/utils/permissions/filesystem.ts:800–826

(
  patternsByRoot: Map<string | null, string[]>,
  root: string,
)

}

export function normalizePatternsToPath(
  patternsByRoot: Map<string | null, string[]>,
  root: string,
): string[] {
  // null root means the pattern can match anywhere
  const result = new Set(patternsByRoot.get(null) ?? [])

  for (const [patternRoot, patterns] of patternsByRoot.entries()) {
    if (patternRoot === null) {
      // already added
      continue
    }

    // Check each pattern to see if the full path starts with our reference root
    for (const pattern of patterns) {
      const normalizedPattern = normalizePatternToPath({
        patternRoot,
        pattern,
        rootPath: root,
      })
      if (normalizedPattern) {
        result.add(normalizedPattern)
      }
    }
  }
  return Array.from(result)
}

/**
 * Collects all deny rules for file read permissions and returns their ignore patterns