Initial scaffold

packages/shared/package.json

@@ -0,0 +1,7 @@
+
+{
+  "name": "@loom/shared",
+  "version": "1.0.0",
+  "main": "src/index.js",
+  "scripts": {}
+}

packages/shared/src/config/env.js

@@ -0,0 +1,17 @@
+// A simple utility to load environment variables from a .env file
+// Each service calls this at startup to load its configuration
+
+function getEnv(key, defaultValue){
+    const value = process.env[key];
+
+    //check if the desired value exists, if not check if a default value was provided, if not throw an error
+    if (value === undefined) {
+        if (defaultValue === undefined) {
+            throw new Error(`Missing required environment variable: ${key}`);
+        }
+        return defaultValue;
+    }
+    return value;
+}
+
+module.exports = {getEnv};

packages/shared/src/index.js

@@ -0,0 +1,3 @@
+const {getEnv} = require('./config/env');
+
+module.exports = {getEnv};