From d22c3bf86209e4065996b856c85fd257691f4c88 Mon Sep 17 00:00:00 2001
From: zenios <dimitris.zenios@gmail.com>
Date: Fri, 16 Nov 2018 09:25:32 +0200
Subject: [PATCH] feat: Support env variable using dot env (#227)

---
 packages/electron-webpack/package.json |  9 +++++----
 packages/electron-webpack/src/main.ts  | 19 ++++++++++++++++++-
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/packages/electron-webpack/package.json b/packages/electron-webpack/package.json
index fbe5fe1..5cf830a 100644
--- a/packages/electron-webpack/package.json
+++ b/packages/electron-webpack/package.json
@@ -22,31 +22,32 @@
   "dependencies": {
     "@types/webpack-env": "^1.13.6",
     "async-exit-hook": "^2.0.1",
-    "terser-webpack-plugin": "^1.1.0",
     "bluebird-lst": "^1.0.6",
     "chalk": "^2.4.1",
     "crocket": "^0.9.11",
     "css-hot-loader": "^1.4.2",
     "css-loader": "^1.0.1",
     "debug": "^4.1.0",
+    "dotenv": "^6.1.0",
     "electron-devtools-installer": "^2.2.4",
     "electron-webpack-js": "~2.3.0",
-    "mini-css-extract-plugin": "^0.4.4",
     "file-loader": "^2.0.0",
     "fs-extra-p": "^7.0.0",
     "html-loader": "^1.0.0-alpha.0",
     "html-webpack-plugin": "^3.2.0",
     "lazy-val": "^1.0.3",
+    "mini-css-extract-plugin": "^0.4.4",
     "node-loader": "^0.6.0",
     "read-config-file": "^3.1.3",
     "semver": "^5.6.0",
     "source-map-support": "^0.5.9",
     "style-loader": "^0.23.1",
+    "terser-webpack-plugin": "^1.1.0",
     "url-loader": "^1.1.2",
+    "webpack-cli": "^3.1.2",
     "webpack-dev-server": "^3.1.10",
     "webpack-merge": "^4.1.4",
-    "yargs": "^12.0.2",
-    "webpack-cli": "^3.1.2"
+    "yargs": "^12.0.2"
   },
   "peerDependencies": {
     "webpack": "^4.8.3"
diff --git a/packages/electron-webpack/src/main.ts b/packages/electron-webpack/src/main.ts
index 47da84a..b053845 100644
--- a/packages/electron-webpack/src/main.ts
+++ b/packages/electron-webpack/src/main.ts
@@ -1,5 +1,5 @@
 import BluebirdPromise from "bluebird-lst"
-import { readJson } from "fs-extra-p"
+import { readJson, pathExists } from "fs-extra-p"
 import { Lazy } from "lazy-val"
 import * as path from "path"
 import { validateConfig } from "read-config-file"
@@ -332,6 +332,23 @@ export async function configure(type: ConfigurationType, env: ConfigurationEnv |
     return null
   }
   else {
+    const processEnv = configurator.isProduction ? "production" : "development"
+    const dotEnvPath = path.resolve(configurator.projectDir, ".env")
+    const dotenvFiles = [
+      `${dotEnvPath}.${processEnv}.local`,
+      `${dotEnvPath}.${processEnv}`,
+      `${dotEnvPath}.local`,
+      dotEnvPath,
+    ]
+
+    for (const file of dotenvFiles) {
+      const exists = await pathExists(file)
+      if (exists) {
+        require("dotenv").config({
+          path: file
+        })
+      }
+    }
     return await configurator.configure()
   }
 }