From d1edebf80e4542f29ce4a2ff65729335de40c810 Mon Sep 17 00:00:00 2001
From: Alvaro Juste <juste.alvaro@gmail.com>
Date: Tue, 30 May 2017 22:50:59 -0400
Subject: [PATCH] feat: read from file when available

---
 lib/environment.js          | 34 ++++++++++++++++++++++-------
 package.json                |  2 +-
 src/environment.coffee      | 23 ++++++++++++++++++++
 test/environment/ctr.coffee | 43 +++++++++++++++++++++++++++++++++++++
 4 files changed, 93 insertions(+), 9 deletions(-)
 create mode 100644 test/environment/ctr.coffee

diff --git a/lib/environment.js b/lib/environment.js
index 93af54e..0305611 100644
--- a/lib/environment.js
+++ b/lib/environment.js
@@ -4,11 +4,16 @@
 * @author Alvaro Juste
  */
 "use strict";
+var ENV_TYPE, ENV_TYPE_DEV, ENV_TYPE_PROD, EnvFiles, Environment, MatchNonWord, existsSync, join, readFileSync, ref;
+
+join = require('path').join;
+
+ref = require('fs'), existsSync = ref.existsSync, readFileSync = ref.readFileSync;
+
 
 /**
 * @constant Process property name for environment type
  */
-var ENV_TYPE, ENV_TYPE_DEV, ENV_TYPE_PROD, Environment, MatchNonWord;
 
 ENV_TYPE = "env";
 
@@ -28,9 +33,22 @@ ENV_TYPE_PROD = "prod";
 
 MatchNonWord = /\W/g;
 
+EnvFiles = ['.env', 'env', 'env.json', '.config', 'config', 'config.json'];
+
 Environment = (function() {
   function Environment(config) {
+    var f, i, len;
     this.config = config;
+    if (this.config) {
+      return;
+    }
+    for (i = 0, len = EnvFiles.length; i < len; i++) {
+      f = EnvFiles[i];
+      if (existsSync(f)) {
+        this.config = JSON.parse(readFileSync(join(process.cwd(), f)));
+        break;
+      }
+    }
   }
 
   Environment.prototype.transformKey = function(key) {
@@ -56,7 +74,7 @@ Environment = (function() {
    */
 
   Environment.prototype.getEnvProperty = function() {
-    var current, data, index, length, proc, property, ref, ref1, section, sections;
+    var current, data, index, length, proc, property, ref1, ref2, section, sections;
     section = arguments[0], property = arguments[1];
     data = null;
     if (!section) {
@@ -75,10 +93,10 @@ Environment = (function() {
     while (index < length && (data != null) || index === 0) {
       current = data != null ? data : this.config;
       section = sections[index++];
-      data = (ref = current["" + section + this.envPost]) != null ? ref : current[section];
+      data = (ref1 = current["" + section + this.envPost]) != null ? ref1 : current[section];
     }
     if (arguments.length >= 2 && (data != null)) {
-      data = (ref1 = data["" + property + this.envPost]) != null ? ref1 : data[property];
+      data = (ref2 = data["" + property + this.envPost]) != null ? ref2 : data[property];
     }
     return this.parseValue(data);
   };
@@ -92,14 +110,14 @@ Environment = (function() {
    */
 
   Environment.prototype.setProcessProperty = function(key, value) {
-    var ref;
+    var ref1;
     if ('string' !== typeof key) {
       throw new Error('key must be a string');
     }
     if ('string' !== typeof value) {
       throw new Error('value must be a string');
     }
-    ((ref = process.jaune) != null ? ref : (process.jaune = {}))[key] = value;
+    ((ref1 = process.jaune) != null ? ref1 : (process.jaune = {}))[key] = value;
     return this;
   };
 
@@ -111,11 +129,11 @@ Environment = (function() {
    */
 
   Environment.prototype.getProcessProperty = function(key, def) {
-    var ref, ref1, ref2, ref3;
+    var ref1, ref2, ref3, ref4;
     if ('string' !== typeof key) {
       throw new Error('key must be a string');
     }
-    return this.parseValue((ref = (ref1 = (ref2 = process.env[this.transformKey(key)]) != null ? ref2 : process.env[key]) != null ? ref1 : ((ref3 = process.jaune) != null ? ref3 : (process.jaune = {}))[key]) != null ? ref : def);
+    return this.parseValue((ref1 = (ref2 = (ref3 = process.env[this.transformKey(key)]) != null ? ref3 : process.env[key]) != null ? ref2 : ((ref4 = process.jaune) != null ? ref4 : (process.jaune = {}))[key]) != null ? ref1 : def);
   };
 
 
diff --git a/package.json b/package.json
index d6dd64d..483271c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "author": "Alvaro Juste <juste.alvaro@gmail.com>",
   "name": "jaune-env",
-  "version": "0.0.7",
+  "version": "0.0.8",
   "description": "Singleton environment information / configuration",
   "main": "index.js",
   "scripts": {
diff --git a/src/environment.coffee b/src/environment.coffee
index aba54d0..1514571 100644
--- a/src/environment.coffee
+++ b/src/environment.coffee
@@ -3,6 +3,14 @@
 * @author Alvaro Juste
 ###
 "use strict"
+{
+  join
+} = require 'path'
+
+{
+  existsSync
+  readFileSync
+} = require 'fs'
 
 ###*
 * @constant Process property name for environment type
@@ -21,9 +29,24 @@ ENV_TYPE_PROD = "prod"
 
 MatchNonWord = /\W/g
 
+EnvFiles = [
+  '.env'
+  'env'
+  'env.json'
+  '.config'
+  'config'
+  'config.json'
+]
+
 class Environment
 
   constructor: (@config) ->
+    return if @config
+
+    for f in EnvFiles
+      if existsSync f
+        @config = JSON.parse readFileSync join process.cwd(), f
+        break
 
   transformKey: (key) -> key.replace MatchNonWord, '_'
 
diff --git a/test/environment/ctr.coffee b/test/environment/ctr.coffee
new file mode 100644
index 0000000..4b848b3
--- /dev/null
+++ b/test/environment/ctr.coffee
@@ -0,0 +1,43 @@
+lib = require '../../'
+{
+  equal
+  deepEqual
+} = require 'assert'
+
+{
+  unlinkSync
+  writeFileSync
+} = require 'fs'
+
+{
+  join
+} = require 'path'
+
+EnvFiles = [
+  '.env'
+  'env'
+  'env.json'
+  '.config'
+  'config'
+  'config.json'
+]
+
+describe 'environment', ->
+
+  describe 'constructor', ->
+
+    EnvFiles.forEach (f) ->
+
+      context "using #{f} as config file", ->
+
+        before ->
+          writeFileSync join(process.cwd(), f),
+            JSON.stringify val: "this is #{f} file config"
+          @env = new lib()
+
+        after ->
+          unlinkSync f
+          @env = null
+
+        it "should use #{f} config file", ->
+          deepEqual @env.config, val: "this is #{f} file config"