Utility module to print pretty messages on SIGINFO/SIGUSR1. 

Utility module to print pretty messages on SIGINFO/SIGUSR1

emilbayes

siginfo

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module.exports = function (query, force) {

  if (process.stderr.isTTY || force === true) {

      process.removeListener('SIGINFO', onsiginfo)

      process.removeListener('SIGUSR1', onsiginfo)

    process.stderr.write(typeof info === 'string' ? info : util.inspect(info, {

  "description": "Utility module to print pretty messages on SIGINFO/SIGUSR1",

    "url": "git+https://github.com/emilbayes/siginfo.git"

    "url": "https://github.com/emilbayes/siginfo/issues"

  "homepage": "https://github.com/emilbayes/siginfo#readme"

[![Build Status](https://travis-ci.org/emilbayes/siginfo.svg?branch=master)](https://travis-ci.org/eemilbayes/siginfo)

> Utility module to print pretty messages on SIGINFO/SIGUSR1

`SIGINFO` on BSD / macOS and `SIGUSR1` on Linux, usually triggered by

`Ctrl + T`, are by convention used to print information about

a long running process internal state. Eg. `dd` will tell you how many blocks it

has written and at what speed, while `xz` will tell you progress, compression

This module wraps both signals, checks if the process is connected to TTY and

writes to `stderr` on each intercepted signal.

### `var removeListener = siginfo(queryFn)`

### `var removeListener = siginfo(queryFn, [force])`

`queryFn` should return a info string or an object.

`queryFn` can be used for whatever you want (logging, sending a UDP message, etc.).

Setting `force = true` will attach the event handlers whether a TTY is present

		@@ -1,6 +0,4 @@
		var util = require('util')

		module.exports = function (query) {
		module.exports = function (query, force) {
		var isAttached = false
		if (process.stderr.isTTY) {
		if (process.stderr.isTTY \|\| force === true) {
		isAttached = true
		@@ -20,7 +18,4 @@ process.on('SIGINFO', onsiginfo)
		function onsiginfo () {
		var info = query()
		process.stderr.write(typeof info === 'string' ? info : util.inspect(info, {
		colors: true
		}) + '\n')
		query()
		}
		}

		{
		"name": "siginfo",
		"version": "1.0.2",
		"version": "2.0.0",
		"description": "Utility module to print pretty messages on SIGINFO/SIGUSR1",
		@@ -8,3 +8,3 @@ "main": "index.js",
		"devDependencies": {
		"standard": "^10.0.3"
		"standard": "^14.3.4"
		},
		@@ -11,0 +11,0 @@ "scripts": {

		@@ -14,3 +14,3 @@ # `siginfo`
		This module wraps both signals, checks if the process is connected to TTY and
		writes to `stderr` on each intercepted signal.
		lets you do whatever you want.

		@@ -24,6 +24,6 @@ ## Usage
		siginfo(function () {
		return {
		console.dir({
		version: pkg.version,
		uptime: process.uptime()
		}
		})
		})
		@@ -35,5 +35,7 @@

		### `var removeListener = siginfo(queryFn)`
		### `var removeListener = siginfo(queryFn, [force])`

		`queryFn` should return a info string or an object.
		`queryFn` can be used for whatever you want (logging, sending a UDP message, etc.).
		Setting `force = true` will attach the event handlers whether a TTY is present
		or not.

		@@ -40,0 +42,0 @@ ## Install

		@@ -5,6 +5,6 @@ var siginfo = require('.')
		var stop = siginfo(function () {
		return {
		console.dir({
		version: pkg.version,
		uptime: process.uptime()
		}
		})
		})
		@@ -11,0 +11,0 @@

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