v0.1.0

src/utils.ts

@@ -0,0 +1,38 @@
+import * as hashes from 'jshashes';
+
+const hasher = new hashes.MD5();
+
+const hashCache = new Map<string, string>();
+
+export async function md5(data: string): Promise<string> {
+    if (!hashCache.has(data)) {
+        const hashHex = hasher.hex(data);
+        hashCache.set(data, hashHex);
+    }
+    return hashCache.get(data)!;
+}
+
+export function sleep(ms: number) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+export async function share(text: string) {
+    if (navigator.share) {
+        await navigator.share({
+            text,
+        });
+    }
+}
+
+export function ellipsize(text: string, maxLength: number) {
+    if (text.length > maxLength) {
+        return text.substring(0, maxLength) + '...';
+    }
+    return text;
+}
+
+export function cloneArrayBuffer(buffer) {
+  const newBuffer = new ArrayBuffer(buffer.byteLength);
+  new Uint8Array(newBuffer).set(new Uint8Array(buffer));
+  return newBuffer;
+}