Release God's Eye View as open source

scripts/read-dotenv-value.mjs

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import { loadEnv } from 'vite';
+
+/**
+ * Read one dotenv key with Vite's parser; no file content is executed.
+ *
+ * Reports what the FILES say. `loadEnv` lets `process.env` override the parsed
+ * files, so an inherited export — an empty one above all, which is how a shell
+ * says "unset" to this script's callers — would otherwise mask the value the
+ * user wrote down. The key is hidden for the duration of the read and restored
+ * afterwards, leaving the caller's environment untouched.
+ */
+export function readDotenvValue(variableName, rootDir = process.cwd(), mode = 'development') {
+  const key = String(variableName || '').trim();
+  if (!/^[A-Z_][A-Z0-9_]*$/i.test(key)) return '';
+  const inherited = Object.prototype.hasOwnProperty.call(process.env, key)
+    ? process.env[key]
+    : undefined;
+  if (inherited !== undefined) delete process.env[key];
+  try {
+    const env = loadEnv(mode, path.resolve(rootDir), '');
+    return String(env[key] ?? '');
+  } finally {
+    if (inherited !== undefined) process.env[key] = inherited;
+  }
+}
+
+const invokedPath = process.argv[1] ? path.resolve(process.argv[1]) : '';
+if (invokedPath === fileURLToPath(import.meta.url)) {
+  process.stdout.write(readDotenvValue(process.argv[2], process.argv[3] || process.cwd()));
+}