0.2.2 • Published 3 years ago

command-runner v0.2.2

Weekly downloads
7
License
MIT
Repository
github
Last release
3 years ago

command-runner

A simple command runner, inspired from Whiskey process runner.

Installation

npm install -g command-runner

This will install the command-runner module globally and add the cr cli tool to your PATH.

Usage

cr --config filename.json [--debug]

Configuration file

This JSON file is used to specify all the commands to run asynchronously.

Example configuration file :

{
  "http-server": {
    "cmd": [ "http-server", "-p", "8000", "./" ],
    "log": {
      "type": "file",
      "options": {
        "name": "http-server.log"
      }
    },
    "wait": {
      "type": "socket",
      "options": {
        "host": "127.0.0.1",
        "port": "8000",
        "timeout": "3000"
      }
    }
  },
  "localtunnel": {
    "cmd": [ "lt", "--port", "8000" ],
    "wait": {
      "type": "output",
      "options": {
        "match": "your url is:",
        "timeout": "3000"
      }
    }
  },
  "test": {
    "cmd": [ "tape", "tests/**/*.js" ],
    "depends": [ "http-server", "localtunnel" ],
    "log": {
      "type": "output"
    },
    "exit_on_success": true
  }
}

Options

NameTypeRequiredDescription
cmdArrayyesThe command to run
cwdstringnoThe command working directory. Default is current directory.
dependsArraynoThe names of command dependencies. Name must be defined in configuration.
logObjectnoThe command output log configuration.
waitObjectnoThe command start wait condition configuration.
exit_on_successbooleannoIndicate if runner gracefully exit if the command terminate with zero exit code. Default is false.
abort_on_errorbooleannoIndicate if runner gracefully abort if the command terminate with non-zero exit code. Default is true.

"log" configuration object

NameTypeRequiredDescription
typestringyesThe output log type : file, output, stdout or stderr.
optionsObjectnoThe output log options.

output: respectively redirect command process stdout and stderr to runner stdout and stderr. Has no options.

stdout: redirect only command process stdout to runner stdout. Has no options.

stderr: redirect only command process stderr to runner stderr. Has no options.

file: redirect command process output to a file using the following options :

NameTypeRequiredDescription
namestringyesThe filename.
inputstringnoThe stream input : output, stdout or stderr. Default is output.
stream_optionsObjectnoThe fs.createStream options.

fs.createStream default behavious is open file for writing. The file is created (if it does not exist) or truncated (if it exists). To append, just set stream_options to {"flags": "a"}.

"wait" configuration object

NameTypeRequiredDescription
typestringyesThe wait condition type : output, socket, done, or timer.
optionsObjectnoThe wait condition options.

output: wait for an output string (stdout and stderr) to match using the following options :

NameTypeRequiredDescription
matchstringyesThe string to match.
timeoutnumbernoThe wait timeout in milliseconds. Default is 10000.

socket: wait for a socket using the following options :

NameTypeRequiredDescription
portnumberyesThe port number.
hoststringnoThe hostname or ip address. Default is localhost
timeoutnumbernoThe wait timeout in milliseconds. Default is 10000.
intervalnumbernoThe connect retry interval in milliseconds. Default is 200.

done: wait for a process to run and exit with success code using the following options :

NameTypeRequiredDescription
timeoutnumbernoThe wait timeout in milliseconds. Must be greater than or equal to 100.

timer: wait for a timer duration using the following options :

NameTypeRequiredDescription
durationnumberyesThe wait duration in milliseconds. Must be greater than or equal to 100.