NodeJS

   1 var assert = require('assert'); // TDD
   2 var fs = require('fs'); // file system
   3 var util = require('util');
   4 //--------------------
   5 var Dummy = require('./dummy.js');
   6 var Local = require('./local.js');
   7 var conf=require('./config.js') // Configuration
   8 
   9 console.log( conf.configX['foo'] );
  10 console.log( conf.configX['bar'] );
  11 
  12 var d1 = new Dummy(12345);
  13 var d2 = new Dummy(67890);
  14 var d3 = new Dummy(112233);
  15 
  16 assert.equal(d1.methodA.call(d2),67890,'');
  17 assert.equal(d1.methodA.call(d3),112233,'');
  18 assert.equal(d3.methodA.call(d1),12345,'');
  19 
  20 var l1 = new Local('local1',10,11);
  21 var l2 = new Local('local2',20,21);
  22 var l3 = new Local('local3',30,31);
  23 
  24 assert.equal(l1.getPoint().getX(),10,'');
  25 assert.equal(l2.getPoint().getX(),20,'');
  26 assert.equal(l3.getPoint().getX(),30,'');
  27 
  28 // async readdir
  29 fs.readdir('/tmp', cbReaddir);
  30 
  31 function cbReaddir(err,files){
  32     for(var i=0; i< files.length;i++){
  33         console.log(files[i]);
  34     }
  35 }
  36 
  37 //async append file
  38 fs.appendFile('/tmp/test.txt', 'data to append\r\n', cbAppendFile);
  39 
  40 function cbAppendFile(err) {
  41     if (!err) {
  42         console.log('The "data to append" was appended to file!');
  43     }
  44 }
  45 
  46 function hexcounter(value,callback){
  47     var timeout=500;
  48     console.log('HC:',value);
  49     if(value<15){
  50       setTimeout(function(){callback(value+1,callback);},timeout);
  51     }
  52     else{
  53       setTimeout(function(){callback(0,callback);},timeout);
  54     }
  55 }
  56 
  57 function octalcounter(){
  58     var timeout=500;
  59     if(arguments.length===1){
  60         console.log('OC:',arguments[0]);
  61         setTimeout(octalcounter,timeout,1,2)
  62     }
  63 
  64     if(arguments.length===2){
  65         var a0=Number(arguments[0]);
  66         var a1=Number(arguments[1]);
  67         console.log(util.format('%s %d %d','OC:',a0,a1));
  68         setTimeout(octalcounter,timeout,a0+1,a1+1);
  69     }
  70 }
  71 
  72 hexcounter(2,hexcounter);
  73 octalcounter(12300);
  74 
  75 process.on('SIGHUP', onSIGHUP);
  76 function onSIGHUP() {
  77   console.log('SIGHUP received',arguments.length);
  78 }
  79 
  80 process.on('SIGTERM', onSIGTERM);
  81 function onSIGTERM() {
  82   console.log('SIGTERM received',arguments.length);
  83 }

   1 exports.configX=
   2     {
   3         "foo":"fooValue",
   4         "bar":123
   5     }

   1 function Dummy(value1) {
   2     var self = this;
   3     self._value1 = value1;
   4 }
   5 
   6 Dummy.prototype.methodA = function() {
   7     var self = this;
   8     return self._value1;
   9 };
  10 
  11 module.exports = Dummy;

   1 function Point(x,y){
   2     this.x=x;
   3     this.y=y;
   4 }
   5 
   6 Point.prototype.getX=function(){
   7     return this.x;
   8 };
   9 
  10 Point.prototype.getY=function(){
  11     return this.y;
  12 };
  13 
  14 module.exports = Point;

   1 var Point = require('./point.js');
   2 
   3 function Local(name,x,y){
   4     this.name = name;
   5     this.point = new Point(x,y);
   6 }
   7 
   8 Local.prototype.getName=function(){
   9     return this.name;
  10 };
  11 
  12 Local.prototype.getPoint=function(){
  13     return this.point;
  14 };
  15 
  16 module.exports = Local;

   1 var addon = require('./build/Release/hello');
   2 
   3 console.log(addon.hello()); // 'world'
   4