add Tests and improve TypeScript organization

ts/index.ts

@@ -3,6 +3,7 @@
 /// <reference path="./smartcli.interfaces.ts" />
 /// <reference path="./smartcli.checks.ts" />
 /// <reference path="./smartcli.getters.ts" />
+/// <reference path="./smartcli.interaction.ts" />
 
 var plugins = smartcliPlugins.init(); //get all the required npm modules under plugins
 
@@ -16,77 +17,9 @@ smartcli.argv = plugins.argv; //argv gets initial cli commands and options.
 
 //init checks. Checks return boolean. That means they can be used as question with an answer of yes or no.
 
-smartcliChecks.init(); // is defined in smartcli.checks.ts
+SmartcliChecks.init(); // is defined in smartcli.checks.ts
+SmartcliGetters.init(); // is defined in smartcli.getters.ts
+SmartcliInteraction.init(); // is defined in smartcli.interaction.ts
 
 
-
-
-
-
-
-
-
-
-/* ------------------------------------------------------------------------------
-*----------------------- in program CLI interaction -----------------------------
-*----------------------------------------------------------------------------- */
-
-
-
-/**
- * executes callback with answer to question as argument
- * @param questionString the question you want to ask the user
- * @param cb the function to execute with answer as param
- * @returns {null}
- */
-smartcli.getAnswer = function(questionString:string, cb) {
-    if (typeof questionString != 'string') {
-        plugins.beautylog.error('no question specified');
-        return null;
-    }
-    //make inquirer compatible question object
-    var question = {
-        type: "input",
-        name: "userFeedback",
-        message: questionString,
-        validate: function( value ) {
-            return true;
-        }
-    };
-
-    plugins.inquirer.prompt([question],function(answers){
-        var answer = answers.userFeedback;
-        cb(answer);
-    });
-};
-
-/**
- *
- * @param questionString
- * @param choiceOptions
- * @param cb
- * @returns {null}
- */
-smartcli.getChoice = function(questionString:string, choiceOptions:string[], cb) {
-    if(!Array.isArray(choiceOptions)) {
-        return null;
-    }
-
-    //make inquirer compatible question object
-    var question = {
-        type: "list",
-        name: "userFeedback",
-        message: questionString,
-        choices: choiceOptions,
-        filter: function( val ) { return val.toLowerCase(); }
-    };
-
-    plugins.inquirer.prompt(question,function(answers){
-        var answer = answers.userFeedback;
-        cb(answer);
-    });
-
-};
-
-
-module.exports = smartcli;
+module.exports = smartcli; // expose smartcli to outside world