[Summary view] [Print] [Text view]

   1  /*
   2  YUI 3.17.2 (build 9c3c78e)
   3  Copyright 2014 Yahoo! Inc. All rights reserved.
   4  Licensed under the BSD License.
   5  http://yuilibrary.com/license/
   6  */
   7  
   8  YUI.add('yui-log-nodejs', function (Y, NAME) {
   9  
  10  var sys = require(process.binding('natives').util ? 'util' : 'sys'),
  11      hasColor = false;
  12  
  13  try {
  14      var stdio = require("stdio");
  15      hasColor = stdio.isStderrATTY();
  16  } catch (ex) {
  17      hasColor = true;
  18  }
  19  
  20  Y.config.useColor = hasColor;
  21  
  22  Y.consoleColor = function(str, num) {
  23      if (!this.config.useColor) {
  24          return str;
  25      }
  26      if (!num) {
  27          num = '32';
  28      }
  29      return "\u001b[" + num +"m" + str + "\u001b[0m";
  30  };
  31  
  32  
  33  var logFn = function(str, t, m) {
  34      var id = '', lvl, mLvl;
  35      if (this.id) {
  36          id = '[' + this.id + ']:';
  37      }
  38      t = t || 'info';
  39      m = (m) ? this.consoleColor(' (' +  m.toLowerCase() + '):', 35) : '';
  40  
  41      if (str === null) {
  42          str = 'null';
  43      }
  44  
  45      if ((typeof str === 'object') || str instanceof Array) {
  46          try {
  47              //Should we use this?
  48              if (str.tagName || str._yuid || str._query) {
  49                  str = str.toString();
  50              } else {
  51                  str = sys.inspect(str);
  52              }
  53          } catch (e) {
  54              //Fail catcher
  55          }
  56      }
  57  
  58      lvl = '37;40';
  59      mLvl = ((str) ? '' : 31);
  60      t = t+''; //Force to a string..
  61      switch (t.toLowerCase()) {
  62          case 'error':
  63              lvl = mLvl = 31;
  64              break;
  65          case 'warn':
  66              lvl = 33;
  67              break;
  68          case 'debug':
  69              lvl = 34;
  70              break;
  71      }
  72      if (typeof str === 'string') {
  73          if (str && str.indexOf("\n") !== -1) {
  74              str = "\n" + str;
  75          }
  76      }
  77  
  78      // output log messages to stderr
  79      sys.error(this.consoleColor(t.toLowerCase() + ':', lvl) + m + ' ' + this.consoleColor(str, mLvl));
  80  };
  81  
  82  if (!Y.config.logFn) {
  83      Y.config.logFn = logFn;
  84  }
  85  
  86  
  87  
  88  }, '3.17.2');