diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index ac8a509..ad6a5c4 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -17,6 +17,6 @@ jobs:
 
       - uses: codecov/codecov-action@v3
         with:
-          # token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
+          token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true # optional (default = false)
           verbose: true # optional (default = false)
diff --git a/packages/ogre/src/hash.ts b/packages/ogre/src/hash.ts
index 8a9b0d4..e4eea0d 100644
--- a/packages/ogre/src/hash.ts
+++ b/packages/ogre/src/hash.ts
@@ -7,6 +7,8 @@
  * @packageDocumentation
  */
 
+import { isBrowser } from "./utils.js";
+
 /**
  * Returns a string with a hexadecimal representation of the digest of the input object using a given hash algorithm.
  * It first creates an array of the object values ordered by the object keys (using hashable(obj));
@@ -21,11 +23,7 @@
  *
  * @returns a promise that resolves to a string with hexadecimal content.
  */
-export function digest(
-  obj: any,
-  algorithm = "SHA-256",
-  isBrowser = false,
-): Promise<string> {
+export function digest(obj: any, algorithm = "SHA-256"): Promise<string> {
   // eslint-disable-line
   const algorithms = ["SHA-1", "SHA-256", "SHA-384", "SHA-512"];
   if (!algorithms.includes(algorithm)) {
@@ -38,12 +36,12 @@ export function digest(
     const hashInput = encoder.encode(hashable(obj)).buffer;
     let digest = "";
 
-    if (isBrowser) {
+    if (isBrowser()) {
       const buf = await crypto.subtle.digest(algorithm, hashInput);
       const h = "0123456789abcdef";
-      new Uint8Array(buf).forEach((v) => {
+      for (const v of new Uint8Array(buf)) {
         digest += h[v >> 4] + h[v & 15];
-      });
+      }
     } else {
       const nodeAlg = algorithm.toLowerCase().replace("-", "");
       digest = (await import("crypto"))
diff --git a/packages/ogre/src/utils.ts b/packages/ogre/src/utils.ts
index 9aecd71..7e629d2 100644
--- a/packages/ogre/src/utils.ts
+++ b/packages/ogre/src/utils.ts
@@ -9,6 +9,9 @@ import { RepositoryObject } from "./repository.js";
 const emailRegex =
   /(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])/;
 
+export const isBrowser = () =>
+  typeof window !== "undefined" && typeof window.document !== "undefined";
+
 export const cleanAuthor = (author: string): [name: string, email: string] => {
   if (author === "") {
     throw new Error(`author not provided`);