1 /*

     2 YUI 3.10.3 (build 2fb5187)

     3 Copyright 2013 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 }, '3.10.3');