From f4f3c16c9e1aac3c9a82f2de4926f0418e3d3245 Mon Sep 17 00:00:00 2001
From: C Brown <colyn.brown@gmail.com>
Date: Sat, 15 Sep 2018 21:51:59 -0700
Subject: [PATCH] Added dotenv-expand to expand env vars (#2014)

---
 packages/core/parcel/package.json     | 1 +
 packages/core/parcel/src/utils/env.js | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/core/parcel/package.json b/packages/core/parcel/package.json
index 0bab096b1c9..13b7336b0b9 100644
--- a/packages/core/parcel/package.json
+++ b/packages/core/parcel/package.json
@@ -38,6 +38,7 @@
     "cssnano": "^4.0.0",
     "deasync": "^0.1.13",
     "dotenv": "^5.0.0",
+    "dotenv-expand": "^4.2.0",
     "fast-glob": "^2.2.2",
     "filesize": "^3.6.0",
     "fswatcher-child": "^1.0.5",
diff --git a/packages/core/parcel/src/utils/env.js b/packages/core/parcel/src/utils/env.js
index 1bf1e8a4824..42bc06edf0f 100644
--- a/packages/core/parcel/src/utils/env.js
+++ b/packages/core/parcel/src/utils/env.js
@@ -1,5 +1,6 @@
 const config = require('./config');
 const dotenv = require('dotenv');
+const variableExpansion = require('dotenv-expand');
 
 async function loadEnv(filepath) {
   const NODE_ENV = process.env.NODE_ENV || 'development';
@@ -17,7 +18,8 @@ async function loadEnv(filepath) {
     dotenvFiles.map(async dotenvFile => {
       const envPath = await config.resolve(filepath, [dotenvFile]);
       if (envPath) {
-        dotenv.config({path: envPath});
+        const envs = dotenv.config({path: envPath});
+        variableExpansion(envs)
       }
     })
   );