Introduce improved logging detail

Author: motdotla

lib/main.js

@@ -1,6 +1,9 @@
 const fs = require('fs')
 const path = require('path')
 const os = require('os')
+const packageJson = require('../package.json')
+
+const version = packageJson.version
 
 const LINE = /(?:^|^)\s*(?:export\s+)?([\w.-]+)(?:\s*=\s*?|:\s+?)(\s*'(?:\\'|[^'])*'|\s*"(?:\\"|[^"])*"|\s*`(?:\\`|[^`])*`|[^#\r\n]+)?\s*(?:#.*)?(?:$|$)/mg
 
@@ -44,7 +47,11 @@ function parse (src) {
 }
 
 function _log (message) {
-  console.log(`[dotenv][DEBUG] ${message}`)
+  console.log(`[dotenv@${version}][INFO] ${message}`)
+}
+
+function _debug (message) {
+  console.log(`[dotenv@${version}][DEBUG] ${message}`)
 }
 
 function _resolveHome (envPath) {
@@ -71,6 +78,8 @@ function config (options) {
     // Specifying an encoding returns a string instead of a buffer
     const parsed = DotenvModule.parse(fs.readFileSync(dotenvPath, { encoding }))
 
+    _log('Loading env from .env')
+
     Object.keys(parsed).forEach(function (key) {
       if (!Object.prototype.hasOwnProperty.call(process.env, key)) {
         process.env[key] = parsed[key]
@@ -81,9 +90,9 @@ function config (options) {
 
         if (debug) {
           if (override === true) {
-            _log(`"${key}" is already defined in \`process.env\` and WAS overwritten`)
+            _debug(`"${key}" is already defined in \`process.env\` and WAS overwritten`)
           } else {
-            _log(`"${key}" is already defined in \`process.env\` and was NOT overwritten`)
+            _debug(`"${key}" is already defined in \`process.env\` and was NOT overwritten`)
           }
         }
       }
@@ -92,7 +101,7 @@ function config (options) {
     return { parsed }
   } catch (e) {
     if (debug) {
-      _log(`Failed to load ${dotenvPath} ${e.message}`)
+      _debug(`Failed to load ${dotenvPath} ${e.message}`)
     }
 
     return { error: e }