TypeScript fs-extra-p.readlink函数代码示例

export async function copyAppFiles(fileSet: FileSet, packager: Packager) {
  const metadata = fileSet.metadata
  const transformedFiles = fileSet.transformedFiles
  // search auto unpacked dir
  const unpackedDirs = new Set<string>()
  const taskManager = new AsyncTaskManager(packager.cancellationToken)
  const dirToCreateForUnpackedFiles = new Set<string>(unpackedDirs)

  const fileCopier = new FileCopier()
  const links: Array<Link> = []
  for (let i = 0, n = fileSet.files.length; i < n; i++) {
    const file = fileSet.files[i]
    const stat = metadata.get(file)
    if (stat == null) {
      // dir
      continue
    }

    const relativePath = file.replace(fileSet.src, fileSet.destination)
    if (stat.isFile()) {
      const fileParent = path.dirname(file)
      // const dirNode = this.fs.getOrCreateNode(this.getRelativePath(fileParent))

      const newData = transformedFiles == null ? null : transformedFiles[i] as string | Buffer
      if (newData != null) {
        transformedFiles[i] = null
      }

      if (!dirToCreateForUnpackedFiles.has(fileParent)) {
        dirToCreateForUnpackedFiles.add(fileParent)
        await ensureDir(fileParent.replace(fileSet.src, fileSet.destination))
      }

      taskManager.addTask(copyFileOrData(fileCopier, newData, file, relativePath, stat))
      if (taskManager.tasks.length > MAX_FILE_REQUESTS) {
        await taskManager.awaitTasks()
      }
    }
    else if (stat.isSymbolicLink()) {
      links.push({file: relativePath, link: await readlink(file)})
    }
  }

  if (taskManager.tasks.length > MAX_FILE_REQUESTS) {
    await taskManager.awaitTasks()
  }
  if (links.length > 0) {
    BluebirdPromise.map(links, it => symlink(it.link, it.file), CONCURRENCY)
  }
}

export async function copyAppFiles(fileSet: ResolvedFileSet, packager: Packager) {
  const metadata = fileSet.metadata
  const transformedFiles = fileSet.transformedFiles
  // search auto unpacked dir
  const taskManager = new AsyncTaskManager(packager.cancellationToken)
  const createdParentDirs = new Set<string>()

  const fileCopier = new FileCopier()
  const links: Array<Link> = []
  for (let i = 0, n = fileSet.files.length; i < n; i++) {
    const sourceFile = fileSet.files[i]
    const stat = metadata.get(sourceFile)
    if (stat == null) {
      // dir
      continue
    }

    const destinationFile = getDestinationPath(sourceFile, fileSet)
    if (stat.isFile()) {
      const newData = transformedFiles == null ? null : transformedFiles[i] as string | Buffer
      if (newData != null) {
        transformedFiles[i] = null
      }

      const fileParent = path.dirname(destinationFile)
      if (!createdParentDirs.has(fileParent)) {
        createdParentDirs.add(fileParent)
        await ensureDir(fileParent)
      }

      taskManager.addTask(copyFileOrData(fileCopier, newData, sourceFile, destinationFile, stat))
      if (taskManager.tasks.length > MAX_FILE_REQUESTS) {
        await taskManager.awaitTasks()
      }
    }
    else if (stat.isSymbolicLink()) {
      links.push({file: destinationFile, link: await readlink(sourceFile)})
    }
  }

  if (taskManager.tasks.length > MAX_FILE_REQUESTS) {
    await taskManager.awaitTasks()
  }
  if (links.length > 0) {
    BluebirdPromise.map(links, it => symlink(it.link, it.file), CONCURRENCY)
  }
}

    consume: async (file, stat, parent) => {
      if (!stat.isFile() && !stat.isSymbolicLink()) {
        return
      }

      if (!createdSourceDirs.has(parent)) {
        await ensureDir(parent.replace(src, destination))
        createdSourceDirs.add(parent)
      }

      const destFile = file.replace(src, destination)
      if (stat.isFile()) {
        await fileCopier.copy(file, destFile, stat)
      }
      else {
        links.push({file: destFile, link: await readlink(file)})
      }
    }

export async function copyAppFiles(fileSet: ResolvedFileSet, packager: Packager, transformer: FileTransformer) {
  const metadata = fileSet.metadata
  // search auto unpacked dir
  const taskManager = new AsyncTaskManager(packager.cancellationToken)
  const createdParentDirs = new Set<string>()

  const fileCopier = new FileCopier(file => {
    // https://github.com/electron-userland/electron-builder/issues/3038
    return !(isLibOrExe(file) || file.endsWith(".node"))
  }, transformer)
  const links: Array<Link> = []
  for (let i = 0, n = fileSet.files.length; i < n; i++) {
    const sourceFile = fileSet.files[i]
    const stat = metadata.get(sourceFile)
    if (stat == null) {
      // dir
      continue
    }

    const destinationFile = getDestinationPath(sourceFile, fileSet)
    if (stat.isSymbolicLink()) {
      links.push({file: destinationFile, link: await readlink(sourceFile)})
      continue
    }

    const fileParent = path.dirname(destinationFile)
    if (!createdParentDirs.has(fileParent)) {
      createdParentDirs.add(fileParent)
      await ensureDir(fileParent)
    }

    taskManager.addTask(fileCopier.copy(sourceFile, destinationFile, stat))
    if (taskManager.tasks.length > MAX_FILE_REQUESTS) {
      await taskManager.awaitTasks()
    }
  }

  if (taskManager.tasks.length > 0) {
    await taskManager.awaitTasks()
  }
  if (links.length > 0) {
    await BluebirdPromise.map(links, it => symlink(it.link, it.file), CONCURRENCY)
  }
}