Hello Typescript!

hydro/lib/sha1.ts

@@ -0,0 +1,10 @@
+import crypto from 'crypto';
+
+function sha1(content: string) {
+    const hash = crypto.createHash('sha1');
+    hash.update(content);
+    return hash.digest('hex');
+}
+
+global.Hydro.lib.sha1 = sha1;
+export default sha1;