hapi.app/src/runExternalCommand.coffee

HAPI application generator

{ exec, spawn } = require("child_process")
path = require "path"
fs = require "fs"

runExternalCommand = (targetCommand, cb) ->
    unless targetCommand?
        throw new Error "wrong number of arguments"
    if cb?
        unless typeof cb is "function"
            throw new Error "callback param should be a function"

    callback = cb
    unless fs.existsSync targetCommand
        throw new Error "external command #{targetCommand} not found!"
    c = spawn targetCommand, [], { stdio: "inherit" }
    c.on "exit", (code) ->
        callback?() or process.exit code

module.exports = runExternalCommand