fix: restore compatibility with older create-react-app versions (#169)

* fix: backward compat for create-react-app polyfill

* chore: add comment explaining create-react-app workaround

* fix: process.env handling for react and vite

Author: evanshortiss

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 7.4.1 (29/08/2023)
+* Fix 7.4.0 issues with `create-react-app` polyfill (#168)
+
 ## 7.4.0 (21/08/2023)
 * Do not use `process.env` by default in non-Node.js environments (#155)
 

env-var.js

@@ -52,5 +52,19 @@ const from = (container, extraAccessors, logger) => {
   }
 }
 
+/**
+ * Makes a best-effort attempt to load environment variables in
+ * different environments, e.g create-react-app, vite, Node.js
+ * @returns Object
+ */
+function getProcessEnv () {
+  /* istanbul ignore next */
+  try {
+    return process.env
+  } catch (e) {
+    return {}
+  }
+}
+
 /* istanbul ignore next */
-module.exports = from(typeof process === 'undefined' ? {} : process.env)
+module.exports = from(getProcessEnv())

package.json

@@ -1,6 +1,6 @@
 {
   "name": "env-var",
-  "version": "7.4.0",
+  "version": "7.4.1",
   "description": "Verification, sanitization, and type coercion for environment variables in Node.js",
   "main": "env-var.js",
   "typings": "env-var.d.ts",