From 33b25f631feb79f0a902ea387d63064dcf54db43 Mon Sep 17 00:00:00 2001
From: Saam Tehrani <samanrtehrani@gmail.com>
Date: Thu, 16 Jan 2025 02:00:51 -0700
Subject: [PATCH] add shim for crypto module for older node versions

---
 package.json  | 2 +-
 test/keys.ts  | 2 +-
 test/shims.ts | 9 +++++++++
 3 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100644 test/shims.ts

diff --git a/package.json b/package.json
index 7affdaf..c6e9062 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "clean:bundle": "rimraf bundles",
     "clean": "npm run clean:dist && npm run clean:package && npm  run clean:bundle",
     "prepublishOnly": "npm run clean && npm run build",
-    "test": "mocha test/*.ts && echo \"NOW RUN => 'npm run test:web' <= \" ",
+    "test": "mocha --file test/shims.ts test/*.ts && echo \"NOW RUN => 'npm run test:web' <= \" ",
     "test:web": "npm run bundle:web && webpack --config-name web-tests && opener test/web/web.html",
     "prettier:check": "prettier --check \"src/**/*.ts\" \"test/**/*.ts\"",
     "prettier:write": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
diff --git a/test/keys.ts b/test/keys.ts
index 9d300bb..d0e47fd 100644
--- a/test/keys.ts
+++ b/test/keys.ts
@@ -1,4 +1,4 @@
-import { readFileSync, writeFileSync } from "fs";
+import { readFileSync } from "fs";
 import * as chai from "chai";
 
 import { EllipticCurvePrivateKey, EllipticCurvePublicKey, SECP256k1PrivateKey, SECP256k1PublicKey } from "../src/common/lib/crypto/keys";
diff --git a/test/shims.ts b/test/shims.ts
new file mode 100644
index 0000000..f16e3a6
--- /dev/null
+++ b/test/shims.ts
@@ -0,0 +1,9 @@
+(function () {
+    if (!globalThis.crypto) {
+      try {
+        globalThis.crypto = require('crypto');
+      } catch (e) {
+        console.error('Failed to load crypto module in Node.js:', e);
+      }
+    }
+})();