ConsLog

The console, rewritten from scratch.

Usage

To install,

npm install conslog

or

yarn add conslog

After that, there are three ways to use ConsLog. The first way is to replace the console object.

delete console;
const console = require('conslog');

The second, semi-safe way is to move the console object.

const v8 = require('v8');
const clone = obj => {
  return v8.deserialize(v8.serialize(obj));
};
const oldConsole = clone(console) // Or however you want to deepclone.
delete console;
const console = require('conslog')

The third, safer way, is to include it as a separate package.

const cons = require('conslog');

Functions

• console is ConsLog, oldC is the original console.

log

function log(msg: any, ...optionalParams?: any[]);

Logs to stdout. Works exactly like oldC.log except for the indentation.

warn

function warn(msg: any, head?: string, ...optionalParams?: any[]);

Logs to stdout as a warning. Prefixed with 'warn' or head.

info

function info(msg: any, head?: string, ...optionalParams?: any[]);

Logs to stdout as an information. Prefixed with 'info' or head.

error

function error(e: Error, head?: string, ...optionalParams?: any[]);

Logs to stdout as an error. Doesn't throw. Prefixed with 'err' or head.

success

function success(msg: any, head?: string, ...optionalParams?: any[]);

Logs to stdout as a success message. Prefixed with 'succ' or head.

fatal

function fatal(e: Error, head?: string, ...optionalParams?: any[]);

Logs to stdout as a fatal error. Throws. Prefixed with 'fatal' or head.

changeTheme

interface Theme {
  i: string[], // Info color, defaults to ["blue"]
  hi: string[],// Info prefix color, defaults to ["bgBlue", "white"]
  w: string[], // Warn color, defaults to ["yellow"]
  hw: string[],// Warn prefix color, defaults to ["bgYellow", "white"]
  e: string[], // Error color, defaults to ["red"]
  he: string[],// Error prefix color, defaults to ["bgRed", "white"]
  f: string[], // Fatal color, defaults to ["magenta"]
  hf: string[],// Fatal prefix color, defaults to ["bgMagenta", "white"]
  s: string[], // Success color, defaults to ["green"]
  hs: string[],// Success prefix color, defaults to ["bgGreen", "white"]
  c: string[], // Catched error color, defaults to ["red"]
  hc: string[],// Catched error prefix color, defaults to ["bgGreen", "white"]
  g: string[]  // Group header color, defaults to ["inverse"]
}
 
function changeTheme(theme: Theme);

Sets the color theme. See the colors doc for information on how to write a theme.

Variables

indentationSteps

let indentationSteps: number = 1;

How many spaces to indent each time.

maxIndent

let maxIndent: number = 10;

The maximum indentation you can reach. Set to -1 for no limit.

msg

interface Messages {
  info: string,
  warn: string,
  error: string,
  fatal: string,
  catched: string,
  success: string,
  groupIn: string,
  groupOut: string
}
 
let msg: Messages = {
  info: " INFO ",
  warn: " WARN ",
  error: "  ERR ",
  fatal: "FATAL ",
  catched: "CATCH ",
  success: " SUCC ",
  groupIn: "> ",
  groupOut: "< "
}

The prefixes applied to the specific logging functions.

License

MIT