lovely. got a couple of partial implementations....

update git ignore

kaas

remove large file

syncy sync

src/utilities.ts

@@ -1,15 +1,46 @@
-export const splitAt = (subject: string, index: number): readonly [string, string] => {
-    if (index < 0) {
-        return [subject, ''];
-    }
+import { Accessor, createEffect, createSignal, on } from "solid-js";
 
-    if (index > subject.length) {
-        return [subject, ''];
-    }
+export const splitAt = (
+  subject: string,
+  index: number,
+): readonly [string, string] => {
+  if (index < 0) {
+    return [subject, ""];
+  }
 
-    return [subject.slice(0, index), subject.slice(index + 1)];
+  if (index > subject.length) {
+    return [subject, ""];
+  }
+
+  return [subject.slice(0, index), subject.slice(index + 1)];
 };
 
-export const toSlug = (subject: string) => {
-    return subject.toLowerCase().replaceAll(' ', '-');
-};
+export const toSlug = (subject: string) =>
+  subject.toLowerCase().replaceAll(" ", "-");
+export const toHex = (subject: number) => subject.toString(16).padStart(2, "0");
+
+const encoder = new TextEncoder();
+export const hash = (
+  algorithm: AlgorithmIdentifier,
+  subject: Accessor<string | null | undefined>,
+) => {
+  const [hash, setHash] = createSignal<string>();
+
+  createEffect(
+    on(subject, async (subject) => {
+      if (subject === null || subject === undefined || subject.length === 0) {
+        setHash(undefined);
+
+        return;
+      }
+
+      const buffer = new Uint8Array(
+        await crypto.subtle.digest(algorithm, encoder.encode(subject)),
+      );
+
+      setHash(Array.from(buffer).map(toHex).join(""));
+    }),
+  );
+
+  return hash;
+};