From 04682cbea790fde874a8488777738d28758012a9 Mon Sep 17 00:00:00 2001
From: "(quasar) nebula" <towerofnix@gmail.com>
Date: Mon, 7 Jun 2021 14:50:01 -0300
Subject: experimental AggregateError & Thing class hijinks

---
 src/thing/structures.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/thing/structures.js

(limited to 'src/thing/structures.js')

diff --git a/src/thing/structures.js b/src/thing/structures.js
new file mode 100644
index 0000000..e6b9fd4
--- /dev/null
+++ b/src/thing/structures.js
@@ -0,0 +1,17 @@
+// Generic structure utilities common across various Thing types.
+
+export function validateReference(type = '') {
+    return ref => {
+        if (typeof ref !== 'string')
+            throw new TypeError(`Expected a string, got ${ref}`);
+
+        if (type) {
+            if (!ref.includes(':'))
+                throw new TypeError(`Expected ref to begin with "${type}:", but no type specified (ref: ${ref})`);
+
+            const typePart = ref.split(':')[0];
+            if (typePart !== type)
+                throw new TypeError(`Expected ref to begin with "${type}:", got "${typePart}:" (ref: ${ref})`);
+        }
+    };
+}
-- 
cgit 1.3.0-6-gf8a5