feat: create postinstall script to set symlink

this will create symlink 2 levels above the node location.
it will create cz-config file in your porject root
and the symlink inside this node package

closes #1

index.js

@@ -3,19 +3,29 @@
 
 var wrap = require('./node_modules/word-wrap/index');
 
+var SYMLINK_CONFIG_NAME = 'cz-config';
 
+
+function logger(arguments) {
+  console.info(arguments);
+}
+
+/* istanbul ignore next */
 function readConfigFile(){
+  // this function is replaced in test.
   var config;
   try {
-    // Yry to find a customized version for the project
+    // Try to find a customized version for the project
     // This file is a symlink to the real one usually placed in the root of your project.
-    config = require('./.cz-config');
+    config = require('./' + SYMLINK_CONFIG_NAME);
   } catch (err) {
+    logger('You don\'t have a file "' + SYMLINK_CONFIG_NAME + '" in your porject root directory. We will use the default configuration file inside this directory: ' + __dirname);
+    logger('\n\nYou should run "npm run postinstall" to fix it up.');
     config = require('./cz-config-EXAMPLE');
   }
   return config;
 }
-var config = readConfigFile();
+
 
 function buildCommit(answers) {
   var maxLineWidth = 100;
@@ -61,15 +71,12 @@ var isNotWip = function(answers) {
   return answers.type.toLowerCase() !== 'wip';
 }
 
-var logger = function(arguments) {
-  console.info(arguments);
-}
 
 module.exports = {
 
   prompter: function(cz, commit) {
+    var config = readConfigFile();
 
-    // console.info('\nLine 1 will be cropped at 100 characters. All other lines will be wrapped after 100 characters.\n');
     logger('\nLine 1 will be cropped at 100 characters. All other lines will be wrapped after 100 characters.\n');
 
     cz.prompt([

package.json

@@ -8,7 +8,8 @@
     "test:check-coverage": "istanbul check-coverage --statements 100 --branches 100 --functions 100 --lines 100",
     "test:watch": "node_modules/jasmine-node/bin/jasmine-node --color --autotest spec/ --watch .",
     "report-coverage": "cat ./coverage/lcov.info | codecov",
-    "semantic-release": "semantic-release pre && npm publish && semantic-release post"
+    "semantic-release": "semantic-release pre && npm publish && semantic-release post",
+    "postinstall": "node ./postinstall.js"
   },
   "homepage": "https://github.com/leonardoanalista/cz-customizable",
   "repository": {

postinstall.js

@@ -0,0 +1,27 @@
+
+var path = require('path');
+var fs = require('fs');
+
+var SYM_LINK_LOCATION = './cz-config';
+var CZ_CONFIG_NAME = '.cz-config';
+var CZ_CONFIG_EXAMPLE_LOCATION = './cz-config-EXAMPLE.js';
+
+
+
+fs.stat(path.resolve('./../../' + CZ_CONFIG_NAME), function(err, stats){
+  if (err) {
+    console.info('>>> config file doesn\'t exist. I will create one for you.');
+    fs.writeFileSync(path.resolve('./../../' + CZ_CONFIG_NAME), fs.readFileSync(path.resolve(CZ_CONFIG_EXAMPLE_LOCATION)));
+  } else {
+    console.info('>>> file ' + CZ_CONFIG_NAME + ' already exist in your project root. We will NOT override it.');
+  }
+
+});
+
+//first delete any existing symbolic link.
+fs.unlink(SYM_LINK_LOCATION, function(err){
+
+  // create or re-create symlink to file located 2 dirs up.
+  console.info('>>> cz-customizable is about to create this symlink "' + __dirname + '/.cz-config" to point to your project root directory, 2 levels up.');
+  fs.symlinkSync(path.resolve('./../../' + CZ_CONFIG_NAME), path.resolve(SYM_LINK_LOCATION), 'file')
+});

spec/czCustomizableSpec.js

@@ -2,22 +2,38 @@
 describe('cz-customizable', function(){
 
   var module, cz, commit;
-
   var rewire = require('rewire');
+
   beforeEach(function(){
     module = rewire('../index.js');
 
     module.__set__({
       console: {
         info: function(){}
       },
-      'config': {
-        types: [{value: 'feat', name: 'feat: my feat'}],
-        scopes: [{name: 'myScope'}],
-        scopeOverrides: {
-          fix: [{name: 'fixOverride'}]
+
+      // logger: function(){console.info('>>> zzzzzzzzzzzzzzzzzzzzzz')},
+      readConfigFile: function() {
+        return {
+          types: [{value: 'feat', name: 'feat: my feat'}],
+          scopes: [{name: 'myScope'}],
+          scopeOverrides: {
+            fix: [{name: 'fixOverride'}]
+          }
         }
-      }
+      },
+
+      // 'require': function (a){
+      //   console.info('>>> RRRRRRRRRRRR: ', a);
+      // },
+
+      // 'config': {
+      //   types: [{value: 'feat', name: 'feat: my feat'}],
+      //   scopes: [{name: 'myScope'}],
+      //   scopeOverrides: {
+      //     fix: [{name: 'fixOverride'}]
+      //   }
+      // }
 
     });
 
@@ -124,7 +140,6 @@ describe('cz-customizable', function(){
     var answers = {
       confirmCommit: true,
       type: 'WIP',
-      // scope: 'myScope',
       subject: 'this is my worl-in-progress'
     };