JSPM

Keep structure of the messages and log them to any output, using specific plugins.

Logging utility. You get a logger that adds a log to a file and to the console. A new file is created if the day has changed. The log files are organized in folders by year and month.

Adds a prefix that identifies the currently running npm script to every line of its output

Stdio functions for pull streams.

PhantomJS adapter for `log-output`.

Execute a child process, merging stdout and stderr to a file, and optionally to the console output

Pipe stdout and stderr from child processes without typing as much code.

Minimal readline interface wrapper for interactive CLIs.

Parse error stack from stderr of a Node.js process

A simple logger for node wirting to stdout or stderr

Standard error.

Create a CLI with a single function

A Transflect stream that executes a program and returns an object containing arrays of stdin, stdout, stderr

A small wrapper on node's native `child_process`. It can start an elevated child process (run as aminstrator) using `spawn`, `exec`, `fork`, `spawnSync` or `execSync` from a non-elevated process; offering stdin, stdout and stderr on the elevated process

manage stdout and stderr so that they do not collide in the console

stdout and stderr for browsers

Send any program's stdout and stderr to Loggly.

A simple supervisor utility which monitors the status of your Node app, streams the console output somewhere, notifies an endpoint, and restarts your app on failure or source code change.

Winston transport to log everything to stderr

log in json-format, only to stderr, using Bunyan

An event- and stream-aware logger for pros. Meaning, professionals.

Convert a string to a valid Error instance

Test log messages with jest

A lightweight JavaScript child process spawning utility.

Simple Node.js logger without dependencies.

Render captured terminal sessions to animated svg

Copy writable streams to other writable streams.

A dead simple logger with log level support

Post-Process Output of Program

Hook process stdout and stderr.

Determine if stdout or stderr is connected to the systemd journal

Flash an OS notification when a process writes to stderr

aggregate text streams

Duplicate stdout and stderr streams

Saves your console output (stdout and stderr) to an organized log folder.

No Fuss Child Processes

Bragi transport to stderr instead of stdout

simple isomorfic logger that uses console transport

Run console command as a service using NodeJS

console like stdout/stderr node.js logger with timestamp, log level, file and line numbers

A standard I/O logger for the Prolific logging framework.

a nice little logger for node.js that knows your modules auto-magically

Really simple logging utility. Logs to stderr.

Module for minimally logging JSON to stdout and stderr

pack/unpack multiple streams to/from an output stream

snapshot testing for child process output

Micro logger with publish/subscribe mechanism.

Chalk for stderr

Set handlers for a spawned process, await result.