TypeScript fs.copyFile函數代碼示例

export async function buildInstaller(options: SquirrelOptions, outputDirectory: string, setupExe: string, packager: WinPackager, appOutDir: string, outDir: string, arch: Arch) {
  const appUpdate = await packager.getTempFile("Update.exe")
  await BluebirdPromise.all([
    copyFile(path.join(options.vendorPath, "Update.exe"), appUpdate)
      .then(() => packager.sign(appUpdate)),
    BluebirdPromise.all([remove(`${outputDirectory.replace(/\\/g, "/")}/*-full.nupkg`), remove(path.join(outputDirectory, "RELEASES"))])
      .then(() => ensureDir(outputDirectory))
  ])

  if (options.remoteReleases) {
    await syncReleases(outputDirectory, options)
  }

  const embeddedArchiveFile = await packager.getTempFile("setup.zip")
  const embeddedArchive = archiver("zip", {zlib: {level: options.packageCompressionLevel == null ? 6 : options.packageCompressionLevel}})
  const embeddedArchiveOut = createWriteStream(embeddedArchiveFile)
  const embeddedArchivePromise = new BluebirdPromise((resolve, reject) => {
    embeddedArchive.on("error", reject)
    embeddedArchiveOut.on("close", resolve)
  })
  embeddedArchive.pipe(embeddedArchiveOut)

  embeddedArchive.file(appUpdate, {name: "Update.exe"})
  embeddedArchive.file(options.loadingGif ? path.resolve(packager.projectDir, options.loadingGif) : path.join(options.vendorPath, "install-spinner.gif"), {name: "background.gif"})

  const version = convertVersion(options.version)
  const packageName = `${options.name}-${version}-full.nupkg`
  const nupkgPath = path.join(outputDirectory, packageName)
  const setupPath = path.join(outputDirectory, setupExe)

  await BluebirdPromise.all<any>([
    pack(options, appOutDir, appUpdate, nupkgPath, version, packager),
    copyFile(path.join(options.vendorPath, "Setup.exe"), setupPath),
  ])

  embeddedArchive.file(nupkgPath, {name: packageName})

  const releaseEntry = await releasify(options, nupkgPath, outputDirectory, packageName)

  embeddedArchive.append(releaseEntry, {name: "RELEASES"})
  embeddedArchive.finalize()
  await embeddedArchivePromise

  await execWine(path.join(options.vendorPath, "WriteZipToSetup.exe"), [setupPath, embeddedArchiveFile])

  await packager.signAndEditResources(setupPath, arch, outDir)
  if (options.msi && process.platform === "win32") {
    const outFile = setupExe.replace(".exe", ".msi")
    await msi(options, nupkgPath, setupPath, outputDirectory, outFile)
    // rcedit can only edit .exe resources
    await packager.sign(path.join(outputDirectory, outFile))
  }
}

    consume: async (file, stats) => {
      if (stats.isDirectory()) {
        return
      }

      // GBK file name encoding (or Non-English file name) caused a problem
      const relativeSafeFilePath = encodeURI(file.substring(dir.length + 1).replace(/\\/g, "/")).replace(/%5B/g, "[").replace(/%5D/g, "]")
      archive._append(file, {
        name: relativeSafeFilePath,
        prefix,
        stats,
      })

      // createExecutableStubForExe
      // https://github.com/Squirrel/Squirrel.Windows/pull/1051 Only generate execution stubs for the top-level executables
      if (file.endsWith(".exe") && !file.includes("squirrel.exe") && !relativeSafeFilePath.includes("/")) {
        const tempFile = await packager.getTempFile("stub.exe")
        await copyFile(path.join(vendorPath, "StubExecutable.exe"), tempFile)
        await execWine(path.join(vendorPath, "WriteZipToSetup.exe"), ["--copy-stub-resources", file, tempFile])
        await packager.sign(tempFile)

        archive._append(tempFile, {
          name: relativeSafeFilePath.substring(0, relativeSafeFilePath.length - 4) + "_ExecutionStub.exe",
          prefix,
          stats: await stat(tempFile),
        })
      }
    }

  await walk(dir, null, async (file, stats) => {
    if (stats.isDirectory()) {
      return
    }

    // GBK file name encoding (or Non-English file name) caused a problem
    const relativeSafeFilePath = encodeURI(file.substring(dir.length + 1).replace(/\\/g, "/")).replace(/%5B/g, "[").replace(/%5D/g, "]")
    archive._append(file, {
      name: relativeSafeFilePath,
      prefix: prefix,
      stats: stats,
    })

    // createExecutableStubForExe
    if (file.endsWith(".exe") && !file.includes("squirrel.exe")) {
      const tempFile = await packager.getTempFile("stub.exe")
      await copyFile(path.join(vendorPath, "StubExecutable.exe"), tempFile, null, false)
      await execWine(path.join(vendorPath, "WriteZipToSetup.exe"), ["--copy-stub-resources", file, tempFile])

      archive._append(tempFile, {
        name: relativeSafeFilePath.substring(0, relativeSafeFilePath.length - 4) + "_ExecutionStub.exe",
        prefix: prefix,
        stats: await stat(tempFile),
      })
    }
  })

// "Note that filename will not be searched to resolve the signing identity's certificate chain unless it is also on the user's keychain search list."
// but "security list-keychains" doesn't support add - we should 1) get current list 2) set new list - it is very bad http://stackoverflow.com/questions/10538942/add-a-keychain-to-search-list
// "overly complicated and introduces a race condition."
// https://github.com/electron-userland/electron-builder/issues/398
async function createCustomCertKeychain() {
  // copy to temp and then atomic rename to final path
  const tmpKeychainPath = path.join(getCacheDirectory(), getTempName("electron-builder-root-certs"))
  const keychainPath = path.join(getCacheDirectory(), "electron-builder-root-certs.keychain")
  const results = await BluebirdPromise.all<any>([
    listUserKeychains(),
    copyFile(path.join(__dirname, "..", "certs", "root_certs.keychain"), tmpKeychainPath)
      .then(() => rename(tmpKeychainPath, keychainPath)),
  ])
  const list = results[0]
  if (!list.includes(keychainPath)) {
    await exec("security", ["list-keychains", "-d", "user", "-s", keychainPath].concat(list))
  }
}

 projectDirCreated: projectDir => BluebirdPromise.all([
   copyFile(path.join(__dirname, "..", "..", "..", "packages", "electron-builder", "templates", "dmg", "background.tiff"), path.join(projectDir, customBackground)),
   // copy, but not rename to test that default icon is not used
   copyFile(path.join(projectDir, "build", "icon.icns"), path.join(projectDir, "build", "customIcon.icns")),
   copyFile(path.join(projectDir, "build", "icon.icns"), path.join(projectDir, "foo.icns")),
 ]),

//.........這裏部分代碼省略.........
  const oldIcon = appPlist.CFBundleIconFile
  if (icon != null) {
    appPlist.CFBundleIconFile = `${appFilename}.icns`
  }

  appPlist.CFBundleDisplayName = appInfo.productName
  appPlist.CFBundleIdentifier = appBundleIdentifier
  appPlist.CFBundleName = appInfo.productName

  // https://github.com/electron-userland/electron-builder/issues/1278
  appPlist.CFBundleExecutable = !appFilename.endsWith(" Helper") ? appFilename : appFilename.substring(0, appFilename.length - " Helper".length)

  helperPlist.CFBundleExecutable = `${appFilename} Helper`
  helperEHPlist.CFBundleExecutable = `${appFilename} Helper EH`
  helperNPPlist.CFBundleExecutable = `${appFilename} Helper NP`

  helperPlist.CFBundleDisplayName = `${appInfo.productName} Helper`
  helperEHPlist.CFBundleDisplayName = `${appInfo.productName} Helper EH`
  helperNPPlist.CFBundleDisplayName = `${appInfo.productName} Helper NP`

  helperPlist.CFBundleIdentifier = helperBundleIdentifier
  helperEHPlist.CFBundleIdentifier = `${helperBundleIdentifier}.EH`
  helperNPPlist.CFBundleIdentifier = `${helperBundleIdentifier}.NP`

  appPlist.CFBundleShortVersionString = appInfo.version
  appPlist.CFBundleVersion = appInfo.buildVersion

  const protocols = asArray(buildMetadata.protocols).concat(asArray(packager.platformSpecificBuildOptions.protocols))
  if (protocols.length > 0) {
    appPlist.CFBundleURLTypes = protocols.map(protocol => {
      const schemes = asArray(protocol.schemes)
      if (schemes.length === 0) {
        throw new Error(`Protocol "${protocol.name}": must be at least one scheme specified`)
      }
      return {
        CFBundleURLName: protocol.name,
        CFBundleTypeRole: protocol.role || "Editor",
        CFBundleURLSchemes: schemes.slice()
      }
    })
  }

  const resourcesPath = path.join(contentsPath, "Resources")

  const fileAssociations = packager.fileAssociations
  if (fileAssociations.length > 0) {
    appPlist.CFBundleDocumentTypes = await BluebirdPromise.map(fileAssociations, async fileAssociation => {
      const extensions = asArray(fileAssociation.ext).map(normalizeExt)
      const customIcon = await packager.getResource(getPlatformIconFileName(fileAssociation.icon, true), `${extensions[0]}.icns`)
      let iconFile = appPlist.CFBundleIconFile
      if (customIcon != null) {
        iconFile = path.basename(customIcon)
        await copyOrLinkFile(customIcon, path.join(resourcesPath, iconFile))
      }

      const result = {
        CFBundleTypeExtensions: extensions,
        CFBundleTypeName: fileAssociation.name || extensions[0],
        CFBundleTypeRole: fileAssociation.role || "Editor",
        CFBundleTypeIconFile: iconFile
      } as any

      if (fileAssociation.isPackage) {
        result.LSTypeIsPackage = true
      }
      return result
    })
  }

  use(packager.platformSpecificBuildOptions.category || (buildMetadata as any).category, it => appPlist.LSApplicationCategoryType = it)
  appPlist.NSHumanReadableCopyright = appInfo.copyright

  if (asarIntegrity != null) {
    appPlist.AsarIntegrity = JSON.stringify(asarIntegrity)
  }

  const promises: Array<Promise<any | n>> = [
    writeFile(appPlistFilename, buildPlist(appPlist)),
    writeFile(helperPlistFilename, buildPlist(helperPlist)),
    writeFile(helperEHPlistFilename, buildPlist(helperEHPlist)),
    writeFile(helperNPPlistFilename, buildPlist(helperNPPlist)),
    doRename(path.join(contentsPath, "MacOS"), packager.electronDistMacOsExecutableName, appPlist.CFBundleExecutable),
    unlinkIfExists(path.join(appOutDir, "LICENSE")),
    unlinkIfExists(path.join(appOutDir, "LICENSES.chromium.html")),
  ]

  if (icon != null) {
    promises.push(unlinkIfExists(path.join(resourcesPath, oldIcon)))
    promises.push(copyFile(icon, path.join(resourcesPath, appPlist.CFBundleIconFile)))
  }

  await BluebirdPromise.all(promises)

  await moveHelpers(frameworksPath, appFilename, packager.electronDistMacOsExecutableName)
  const appPath = path.join(appOutDir, `${appFilename}.app`)
  await rename(path.dirname(contentsPath), appPath)
  // https://github.com/electron-userland/electron-builder/issues/840
  const now = Date.now() / 1000
  await utimes(appPath, now, now)
}

 projectDirCreated: projectDir => copyFile(path.join(projectDir, "build", "icon.icns"), path.join(projectDir, "build", "foo.icns")),