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simple-nodejs-logger

1.0.1 • Public • Published

logger

A configurable nodejs logger.

Install

npm install simple-nodejs-logger --save

How to use

let logger = require("simple-nodejs-logger")("MyLoggerName");
logger.log("Hello World!");
// [MyLoggerName] At myFile:myFunction:2 => Hello World
logger.warn("This is an error");
// [MyLoggerName] At myFile:myFunction:2 => This is an error (in red)
logger.assert(true,"Assert true");
// 
logger.assert(false,"Assert false")
// Throws assertion error. [MyLoggerName] Assert false

Configuration in code.

let options = {
    enable: true,
    stack: false,
    all: true,
    logs: true,
    asserts: true,
    warnings: true,
    colour: true,
    loggers: []
};
let logger = require("simple-nodejs-logger");
logger.options(options);

Configuration through command line parameters

  • --logger-enable <boolean>
  • --logger-stack <boolean>
  • --logger-all <boolean>
  • --logger-logs <boolean>
  • --logger-asserts <boolean>
  • --logger-warnings <boolean>
  • --logger-colour <boolean>
  • --logger-loggers <count> <String1> <String2> ...

Configuration documentation.

  • enable: <boolean> To enable logging in general. If this is false all other options will be ignored and there won't be anything logged. Default : true.
  • stack: <boolean> To enable stack information, the line and function where the logger was called. Default: false. WARNING! Expensive operation do not use in production.
  • all: <boolean> To enable all loggers. Default: true, except when loggers is not empty.
  • logs: <boolean> To enable default logging. Default: true.
  • asserts: <boolean> To enable assertion logging. If enabled all asserts will be logged even if the other loggers are not enabled. Default: true. This may not work if the built-in assertions flags are disabled.
  • warnings: <boolean> To enable warning logging. Default: true.
  • colours: <boolean> To enable colours in logging. Default: true.
  • loggers: <Array> If not all loggers enabled, this array should contain the name of the enabled loggers.

Install

npm i simple-nodejs-logger

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0

Version

1.0.1

License

ISC

Unpacked Size

12.4 kB

Total Files

5

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