From b2700b9ef9e34cebc90d669fd53bde91401cae52 Mon Sep 17 00:00:00 2001
From: Ariel Costas Guerrero <ariel@costas.dev>
Date: Wed, 11 Feb 2026 16:33:02 +0100
Subject: Use provided colours in map

Closes #131
---
 src/frontend/app/utils/colours.ts | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/frontend/app/utils/colours.ts

(limited to 'src/frontend/app/utils/colours.ts')

diff --git a/src/frontend/app/utils/colours.ts b/src/frontend/app/utils/colours.ts
new file mode 100644
index 0000000..aa939f7
--- /dev/null
+++ b/src/frontend/app/utils/colours.ts
@@ -0,0 +1,26 @@
+// TODO: Standardise this shit server-side
+export function formatHex(hex: string, poundSign = true): string {
+  if (hex.length === 6) {
+    return (poundSign ? "#" : "") + hex;
+  } else if (hex.length === 3) {
+    return (
+      (poundSign ? "#" : "") +
+      hex
+        .split("")
+        .map((c) => c + c)
+        .join("")
+    );
+  } else if (hex.length === 7 && hex.startsWith("#")) {
+    return poundSign ? hex : hex.substring(1);
+  } else if (hex.length === 4 && hex.startsWith("#")) {
+    return poundSign
+      ? hex
+      : hex
+          .substring(1)
+          .split("")
+          .map((c) => c + c)
+          .join("");
+  } else {
+    throw new Error("Invalid hex color format");
+  }
+}
-- 
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