All files / src/unpack/readArchiveFile index.ts

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/**
 * Copyright 2026 nodearchive
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { readFile } from 'node:fs/promises'
import { NodearchiveError } from '../../.errors/class.js'
import { toNodearchiveError } from '../../.helpers/toNodearchiveError/index.js'
 
export async function readArchiveFile(sourcePath: string): Promise<Uint8Array> {
  try {
    const bytes = await readFile(sourcePath)
    return Uint8Array.from(bytes)
  } catch (error) {
    if ((error as NodeJS.ErrnoException).code === 'ENOENT') {
      throw new NodearchiveError(
        'ARCHIVE_SOURCE_MISSING',
        `Archive not found: ${sourcePath}`,
        { cause: error }
      )
    }
 
    throw toNodearchiveError(
      error,
      'ARCHIVE_FILESYSTEM_READ_FAILED',
      `Failed to read archive: ${sourcePath}`
    )
  }
}