A code snippet to create a class using requirejs structure style. Thank @jonnyreeves for this great structure. https://gist.github.com/jonnyreeves/2474026#file-person-js-L111

gistfile1.txt

 "Class": {
	 "prefix": "class",
	 "body": [
		 "/*===================================",
		 "** Author: Malika",
		 "** Email: malika.phann@gmail.com",
		 "** Description:",
		 "**",
		 "**===================================",
		 "**/",
		 "",
		 "define(function(){",
		 "",
		 "\t\"use strict\";",
		 "",
		 "\tfunction ${0:Person}(${1:name}){",
		 "\t\tif(!(this instanceof ${0:Person})){",
         "\t\t\t throw new TypeError(\"${0:Person} constructor cannot be called as a function.\")",
         "\t\t}",
		 "",
		 "\t\t/* member properties */",
		 "\t\tthis.${1:name} = ${1:name};",
		 "",
		 "\t\t/* private properties */",
		 "\t\tthis._age = -1;",
		 "\t}",
		 "",
		 "\t/* static properties */",
		 "\t${0:Person}.${3:gender} = \"male\";",
		 "",
		 "\t/* static methods */",
		 "\t${0:Person}.create = function(${1:name}){",
		 "\t\tvar instance = new ${0:Person}(${1:name});",
		 "\t\treturn instance;",
		 "\t}",
		 "",
		 "\t/* private methods */",
		 "\tfunction getName(){",
		 "\t\treturn ${1:name};",
		 "\t};",
		 "",
		 "\t/* prototype */",
		 "\t${0:Person}.prototype = {",
		 "\t\tconstructor: ${0:Person},",
		 "",
		 "\t\t/* setter and getter */",
		 "\t\tsetGender: function(${3:gender}){",
		 "\t\t\tthis.${3:gender} = ${3:gender};",
		 "\t\t},",
		 "",
		 "\t\t/* print member properties */",
		 "\t\ttoString: function(){",
		 "\t\t\treturn \"name = \"+this.${1:name}+\", age = \"+this.${2:age}+\", gender = \"+${3:gender};",
		 "\t\t}",
		 "\t};",
		 "",
		 "\treturn ${0:Person};",
		 "});"
	 ]
 }