setPackageBin

function setPackageBin (packageBinName, packageJson) {
  if (packageBinName && packageBinName.trim().length > 0) {
    const [key, value] = Object.entries(packageJson.bin)[0]
    packageJson.bin = { [packageBinName] : value }
  }
  return packageJson
}




let testPackages = [
  { bin: { zoom: 'some value 1' } },
  { bin: { zoom2: 'some value 2' } },
  { bin: { zoom3: 'some value 3' } },
  { bin: { zoom4: 'some value 4', zoom5: 'somevalue5' } },
]

console.log('Before: ', testPackages)
for (const val of testPackages) {
  console.log('processing ; ', val)
  let result =  setPackageBin('nexty-next', val)
  console.log('resut = ', result)
  console.log('---')
}

console.log('After: ', testPackages)