Package Exports

stdjson

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (stdjson) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

stdjson

stdjson is a minimal nodejs module to log JSON to stdout and stderr.

Installation

npm install stdjson

Usage

var log = require( 'stdjson' );

// initialize, logLevel is the only option
log = log( { logLevel : "info" } ); // default "debug"

log.debug( "this will be ignored" );
// no output

log.info( "just message" );
// stdout:
// {"message":"just message","level":"info","timestamp":"2012-10-13T21:02:42.113Z"}

log.info( "message", "data" );
// stdout:
// {"message":"message","data":"data","level":"info","timestamp":"2012-10-13T20:32:08.625Z"}

log.info( "message", { my : "data object" } );
// stdout:
// {"message":"message","data":{"my":"data object"},"level":"info","timestamp":"2012-10-13T21:03:48.764Z"}

log.warn( { just : "data" } );
// stdout:
// {"data":{"just":"data"},"level":"warn","timestamp":"2012-10-13T21:01:01.817Z"}

log.error( new Error( "oh no" ) );
// stderr (includes stack trace):
// {"message":"Error: oh no","data":"Error: oh no\n    at repl:1:11\n    at REPLServer.self.eval (repl.js:111:21)\n    at rli.on.self.bufferedCmd (repl.js:260:20)\n    at REPLServer.self.eval (repl.js:118:5)\n    at Interface.<anonymous> (repl.js:250:12)\n    at Interface.EventEmitter.emit (events.js:93:17)\n    at Interface._onLine (readline.js:199:10)\n    at Interface._line (readline.js:517:8)\n    at Interface._ttyWrite (readline.js:735:14)\n    at ReadStream.onkeypress (readline.js:98:10)","level":"error","timestamp":"2012-10-13T20:58:18.275Z"}

// if you are really curious

log.info( "message", {} );
// stdout:
// {"message":"message","data":{},"level":"info","timestamp":"2012-10-13T21:04:20.688Z"}

log.info( "message", null );
// stdout:
// {"message":"message","data":null,"level":"info","timestamp":"2012-10-13T21:04:30.806Z"}

log.info( "message", undefined );
// stdout:
// {"message":"message","level":"info","timestamp":"2012-10-13T21:04:41.371Z"}