utf8

lib/hash.js

@@ -10,7 +10,7 @@ import { readFile } from 'fs-promise';
 
 export default async function hashes (files) {
   const entries = await Promise.all(files.map(async (name) => {
-    const data = await readFile(name);
+    const data = await readFile(name, 'utf8');
     return [hash(data), { name, data }];
   }));
   return new Map(entries);