Merge 0a8a395 into 46ec97d

lib/main.js

@@ -1,28 +1,27 @@
-'use strict'
-
-var fs = require('fs')
+const fs = require('fs')
 
 /*
  * Parses a string or buffer into an object
  * @param {(string|Buffer)} src - source to be parsed
  * @returns {Object} keys and values from src
 */
 function parse (src) {
-  var obj = {}
+  const obj = {}
 
   // convert Buffers before splitting into lines and processing
-  src.toString().split('\n').forEach(function (line) {
+  src.toString().split('\n').forEach((line) => {
     // matching "KEY' and 'VAL' in 'KEY=VAL'
-    var keyValueArr = line.match(/^\s*([\w\.\-]+)\s*=\s*(.*)?\s*$/)
+    const keyValueArr = line.match(/^\s*([\w\.\-]+)\s*=\s*(.*)?\s*$/)
     // matched?
     if (keyValueArr != null) {
-      var key = keyValueArr[1]
+      const key = keyValueArr[1]
 
       // default undefined or missing values to empty string
-      var value = keyValueArr[2] || ''
+      let value = keyValueArr[2] || ''
 
       // expand newlines in quoted values
-      var len = value ? value.length : 0
+      const len = value ? value.length : 0
+
       if (len > 0 && value.charAt(0) === '"' && value.charAt(len - 1) === '"') {
         value = value.replace(/\\n/gm, '\n')
       }
@@ -45,23 +44,24 @@ function parse (src) {
  * @returns {Object} parsed object or error
 */
 function config (options) {
-  var path = '.env'
-  var encoding = 'utf8'
+  let path = '.env'
+  let encoding = 'utf8'
 
   if (options) {
     if (options.path) {
       path = options.path
     }
+
     if (options.encoding) {
       encoding = options.encoding
     }
   }
 
   try {
     // specifying an encoding returns a string instead of a buffer
-    var parsedObj = parse(fs.readFileSync(path, { encoding: encoding }))
+    const parsedObj = parse(fs.readFileSync(path, { encoding }))
 
-    Object.keys(parsedObj).forEach(function (key) {
+    Object.keys(parsedObj).forEach((key) => {
       if (!process.env.hasOwnProperty(key)) {
         process.env[key] = parsedObj[key]
       }