How to use the read function from graceful-fs

index.js

GitHub: jprichardson/node-fs-extra

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exports.read = function (fd, buffer, offset, length, position, callback) {
  if (typeof callback === 'function') {
    return fs.read(fd, buffer, offset, length, position, callback)
  }
  return new Promise((resolve, reject) => {
    fs.read(fd, buffer, offset, length, position, (err, bytesRead, buffer) => {
      if (err) return reject(err)
      resolve({ bytesRead, buffer })
    })
  })

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index.js

GitHub: Web-Dev-Collaborative/node-fs-extra

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  return new Promise(resolve => {
    return fs.exists(filename, resolve)
  })
}

// fs.read(), fs.write(), & fs.writev() need special treatment due to multiple callback args

exports.read = function (fd, buffer, offset, length, position, callback) {
  if (typeof callback === 'function') {
    return fs.read(fd, buffer, offset, length, position, callback)

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index.js

GitHub: lioxryt/lioxryt-assets

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  return new Promise(resolve => {
    return fs.exists(filename, resolve)
  })
}


// fs.read() & fs.write need special treatment due to multiple callback args


exports.read = function (fd, buffer, offset, length, position, callback) {
  if (typeof callback === 'function') {
    return fs.read(fd, buffer, offset, length, position, callback)

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+ 2 other calls in file