Function unzipFile

src/utils/dxt/zip.ts:113–141

(
  zipData: Buffer,
)

 * when this module is reached via the plugin loader chain.
 */
export async function unzipFile(
  zipData: Buffer,
): Promise<Record<string, Uint8Array>> {
  const { unzipSync } = await import('fflate')
  const compressedSize = zipData.length

  const state: ZipValidationState = {
    fileCount: 0,
    totalUncompressedSize: 0,
    compressedSize: compressedSize,
    errors: [],
  }

  const result = unzipSync(new Uint8Array(zipData), {
    filter: file => {
      const validationResult = validateZipFile(file, state)
      if (!validationResult.isValid) {
        throw new Error(validationResult.error!)
      }
      return true
    },
  })

  logForDebugging(
    `Zip extraction completed: ${state.fileCount} files, ${Math.round(state.totalUncompressedSize / 1024)}KB uncompressed`,
  )

  return result
}

/**
 * Parse Unix file modes from a zip's central directory.