TypeScript fs-extra-p.read函数代码示例

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本文整理汇总了TypeScript中fs-extra-p.read函数的典型用法代码示例。如果您正苦于以下问题：TypeScript read函数的具体用法？TypeScript read怎么用？TypeScript read使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了read函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: readEmbeddedBlockMapData

async function readEmbeddedBlockMapData(file: string): Promise<BlockMap> {
  const fd = await open(file, "r")
  try {
    const fileSize = (await fstat(fd)).size
    const sizeBuffer = Buffer.allocUnsafe(4)
    await read(fd, sizeBuffer, 0, sizeBuffer.length, fileSize - sizeBuffer.length)

    const dataBuffer = Buffer.allocUnsafe(sizeBuffer.readUInt32BE(0))
    await read(fd, dataBuffer, 0, dataBuffer.length, fileSize - sizeBuffer.length - dataBuffer.length)
    await close(fd)

    return readBlockMap(dataBuffer)
  }
  catch (e) {
    await close(fd)
    throw e
  }
}

开发者ID:electron-userland，项目名称:electron-builder，代码行数:18，代码来源:FileWithEmbeddedBlockMapDifferentialDownloader.ts

示例2: readEmbeddedBlockMapData

export async function readEmbeddedBlockMapData(file: string) {
  const fd = await open(file, "r")
  try {
    const fileSize = (await fstat(fd)).size
    const sizeBuffer = Buffer.allocUnsafe(4)
    await read(fd, sizeBuffer, 0, sizeBuffer.length, fileSize - sizeBuffer.length)

    const dataBuffer = Buffer.allocUnsafe(sizeBuffer.readUInt32BE(0))
    await read(fd, dataBuffer, 0, dataBuffer.length, fileSize - sizeBuffer.length - dataBuffer.length)
    await close(fd)

    const inflateRaw: any = BluebirdPromise.promisify(require("zlib").inflateRaw)
    return (await inflateRaw(dataBuffer)).toString()
  }
  catch (e) {
    await close(fd)
    throw e
  }
}

开发者ID:ledinhphuong，项目名称:electron-builder，代码行数:19，代码来源:blockMapApi.ts

示例3: checkIcon

async function checkIcon(file: string): Promise<void> {
  const fd = await open(file, "r")
  const buffer = new Buffer(512)
  try {
    await read(fd, buffer, 0, buffer.length, 0)
  }
  finally {
    await close(fd)
  }

  const sizes = parseIco(buffer)
  for (let size of sizes) {
    if (size.w >= 256 && size.h >= 256) {
      return
    }
  }

  throw new Error("Windows icon image size must be at least 256x256")
}

开发者ID:alatzidis，项目名称:electron-builder，代码行数:19，代码来源:winPackager.ts

示例4: computeBlocks

async function computeBlocks(inputFile: string, stat: Stats): Promise<Array<string>> {
  const fd = await open(inputFile, "r")

  const chunkSize = 64 * 1024
  const buffer = Buffer.allocUnsafe(chunkSize)
  const size = stat.size
  const blocks = []

  for (let offset = 0; offset < size; offset += chunkSize) {
    const actualChunkSize = Math.min(size - offset, chunkSize)
    await read(fd, buffer, 0, actualChunkSize, offset)

    const hash = createHash("sha256")
    hash.update(actualChunkSize === chunkSize ? buffer : buffer.slice(0, actualChunkSize))
    blocks.push(hash.digest("base64"))
  }

  return blocks
}

开发者ID:yuya-oc，项目名称:electron-builder，代码行数:19，代码来源:blockMap.ts

示例5: safeLoad

      packed: async context => {
        const outDir = context.outDir
        outDirs.push(outDir)
        const targetOutDir = path.join(outDir, "nsis-web")
        const updateInfoFile = path.join(targetOutDir, "latest.yml")

        const updateInfo: UpdateInfo = safeLoad(await readFile(updateInfoFile, "utf-8"))
        const fd = await open(path.join(targetOutDir, `TestApp-${version}-x64.nsis.7z`), "r")
        try {
          const packageInfo = updateInfo.packages!!.x64
          const buffer = Buffer.allocUnsafe(packageInfo.blockMapSize!!)
          await read(fd, buffer, 0, buffer.length, packageInfo.size - buffer.length)
          const inflateRaw: any = BluebirdPromise.promisify(require("zlib").inflateRaw)
          const blockMapData = (await inflateRaw(buffer)).toString()
          await writeFile(path.join(outDir, "win-unpacked", BLOCK_MAP_FILE_NAME), blockMapData)
        }
        finally {
          await close(fd)
        }
      }

开发者ID:jwheare，项目名称:electron-builder，代码行数:20，代码来源:differentialUpdateTest.ts

示例6: checkIcon

async function checkIcon(file: string): Promise<void> {
  const fd = await open(file, "r")
  const buffer = new Buffer(512)
  try {
    await read(fd, buffer, 0, buffer.length, 0)
  }
  finally {
    await close(fd)
  }

  if (!isIco(buffer)) {
    throw new Error(`Windows icon is not valid ico file, please fix "${file}"`)
  }

  const sizes = parseIco(buffer)
  for (let size of sizes) {
    if (size!.w >= 256 && size!.h >= 256) {
      return
    }
  }

  throw new Error(`Windows icon size must be at least 256x256, please fix "${file}"`)
}

开发者ID:mairanteodoro，项目名称:electron-builder，代码行数:23，代码来源:winPackager.ts

注：本文中的fs-extra-p.read函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。