0.1.0 • Published 7 years ago
limited-process v0.1.0
limited-process
Safely run code in separate process. Limit child process requiring module.
npm install --save limited-process
class constructor
constructor(fileName[, jsCode])
fileName
: Js file`s absolute path. If you provide jsCode
parameter, the fileName
will be this code`s alias, use for stack trace.
jsCode
: A javascript code string, it will be run in other process.
class properties
fileName
:jsCode
correspondfilename
, use for stack trace.jsCode
: A javascript code string, it will be run in other process.requireList
: A module name array, in child process all those module names will be required and exposed atglobal.lp.requireList
.service
A object consist of function, child process can useglobal.lp.invoke
to invoke those functions. Note than, those function can not return afunction
. If you need running a async task, you can return a promise object.cpuUsage
Child process cpu usage. If child process is not running, this property will be undefined.memoryUsage
Child process memory usage. If child process is not running, this property will be undefined.errors
: A array consist of child process uncaught exception.isRunning
: Indicates whether the child process is running.startTime
: Child process start time.invoke
: you can use this to invoke child processglobal.lp.service
. Like this,invoke(functionName[,...args])
orinvoke.functionName([...args])
.pid
,stderr
,stdin
,stdout
: Same tochild_process
module
class methods
async start(option = {debug: false})
: Start child process.debug
: Is using--inspect
flag to run child process. Ifdebug
is true,start()
will return a debug net address string.
setTimeout(delay)
How much time to turn off the child processasync kill([signal])
The child.kill() methods sends a signal to the child process. If no argument is given, the process will be sent the 'SIGTERM' signal. Before child process close, child process`sglobal.lp.onClose
will be triggered.
class events
childProcessError
: When child process generate a uncaught exception.close
,error
,exit
: Same tochild_process
module