Fancier dev setup

tools/util.mjs

@@ -0,0 +1,39 @@
+import fs from 'fs';
+import path from 'path';
+
+export function readEnvFile() {
+    if (!fs.existsSync('.env')) {
+        console.error('No configured .env file. Copy .env.example to .env and configure it.');
+        process.exit();
+    }
+
+    const envFile = fs.readFileSync('.env', 'utf8');
+    envFile.split('\n').forEach(line => {
+        const [key, value] = line.split('=');
+        if (key && value) {
+            process.env[key] = value;
+        }
+    });
+
+    // Determine foundry path, handling if its an electron install (nested structure)
+    const foundryPath = path.normalize(process.env.FOUNDRY_MAIN_PATH);
+    const dataPath = path.normalize(process.env.FOUNDRY_DATA_PATH);
+    if (!foundryPath.endsWith(path.join('app', 'main.js'))) {
+        console.error('Configured FOUNDRY_MAIN_PATH is invalid, it must end with app/main.js');
+        process.exit();
+    }
+    if (/Data(\/|\\)?$/.test(dataPath) || !fs.existsSync(path.join(dataPath, 'Data'))) {
+        console.error('Configured FOUNDRY_DATA_PATH is incorrect. This must be a folder that contains "Data"');
+    }
+
+    return {
+        foundryPath,
+        foundryRoot: path.dirname(foundryPath),
+        dataPath
+    };
+}
+
+export function isContainedPath(parent, child) {
+    const relative = path.relative(parent, child);
+    return relative && !relative.startsWith('..') && !path.isAbsolute(relative);
+}