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    spawn-functionpublic

    spawnFunction

    Spawn a child_process and run a function in it. Get the function's results on your main process using a stream or callback

    Install

    npm install spawn-function

    Usage

    Callback mode

    spawnFunction(isolatedFunction[, options][, callback])
    • isolatedFunction: Function to be executed on the spawned process. Must be a self-contained/isolated function
    • options: Object to be passed to child_process.spawn()
    • callback(error, data): Callback to be called when isoldatedFunction is done

    Example

    let spawnFunction = require('spawn-function')
     
    spawnFunction(function () {
      let fib = function (n) {
        if (n < 2)
          return 1
        else
          return fib(n - 2) + fib(n - 1)
      }
      return fib(41)
    }, function (error, data) {
      if (error) return console.log(error)
      console.log('Fibonacci result is', data)
    })
     

    Stream mode

    let stream = spawnFunction(isolatedFunction[, options])
    • stream: Returned stream
    • isolatedFunction: Function to be executed on the spawned process. Must be a self-contained/isolated function.
    • options: Object to be passed to child_process.spawn()

    Example

    let stream = spawnFunction(function () {
      return 1
    })
     
    let chunk = []
    stream.on('data', function (data) {
      chunk.push(data)
    })
     
    stream.on('end', function () {
      console.log(chunk.join(''))
    })
     
    stream.on('error', function (err) {
      console.log(err)
    })

    Keywords

    install

    npm i spawn-function

    Downloadsweekly downloads

    3

    version

    0.1.0

    license

    MIT

    repository

    githubgithub

    last publish

    collaborators

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