init: 2.B

script/utils.ts

@@ -0,0 +1,24 @@
+import { createHash } from 'crypto';
+
+export function uniqueSymbol() {
+    return Math.ceil(Math.random() * 0xefffffff + 0x10000000).toString(16);
+}
+
+export function fileHash(
+    content: string | Buffer | Uint8Array,
+    length: number = 8
+) {
+    return createHash('sha256').update(content).digest('hex').slice(0, length);
+}
+
+export function formatSize(size: number) {
+    if (size < 1 << 10) {
+        return `${size.toFixed(2)}B`;
+    } else if (size < 1 << 20) {
+        return `${(size / (1 << 10)).toFixed(2)}KB`;
+    } else if (size < 1 << 30) {
+        return `${(size / (1 << 20)).toFixed(2)}MB`;
+    } else {
+        return `${(size / (1 << 30)).toFixed(2)}GB`;
+    }
+}