From 7a32ddc45ceda2148b3cbe203157abe1c348ca59 Mon Sep 17 00:00:00 2001
From: Alberto Ricart <alberto@synadia.com>
Date: Thu, 14 Jul 2022 13:28:28 -0500
Subject: [PATCH] adding a shim

---
 bin/tweetnacl-esm.ts  | 18 ++++++++++++++++++
 modules/esm/nacl.d.ts | 17 +++++++++++++++++
 modules/esm/nacl.js   | 17 +++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/bin/tweetnacl-esm.ts b/bin/tweetnacl-esm.ts
index dd8d7d1..c894a3e 100644
--- a/bin/tweetnacl-esm.ts
+++ b/bin/tweetnacl-esm.ts
@@ -7,6 +7,24 @@ async function copyFromModulesDir(from: string, tail = ""): Promise<void> {
   const head =`// this source from node_modules/tweetnacl@${version}/${from}\n
 // deno-lint-ignore-file
 // deno-fmt-ignore-file
+
+// added by nkeys.js
+// shim for crypto.randomBytes on nodejs when using the esm module of the nkeys.js library
+if (!globalThis.crypto) {
+  console.log("shimming crypto.randomBytes")
+  if (typeof module !== "undefined") {
+    globalThis.crypto = require("crypto");
+    console.log("shimmed with node crypto");
+  } else {
+    globalThis.crypto = {
+      randomBytes: (a) => {
+        for (let i = 0; i < a.length; i++) {
+          a[i] = Math.floor(256 * Math.random());
+        }
+      },
+    };
+  }
+}
 `;
 
   let src = await Deno.readTextFile(
diff --git a/modules/esm/nacl.d.ts b/modules/esm/nacl.d.ts
index b9ce633..74a6c15 100644
--- a/modules/esm/nacl.d.ts
+++ b/modules/esm/nacl.d.ts
@@ -2,6 +2,23 @@
 
 // deno-lint-ignore-file
 // deno-fmt-ignore-file
+
+// added by nkeys.js
+// shim for crypto.randomBytes on nodejs when using the esm module of the nkeys.js library
+if (!globalThis.crypto) {
+  console.log("shimming crypto.randomBytes")
+  if (typeof module !== "undefined") {
+    globalThis.crypto = require("crypto");
+  } else {
+    globalThis.crypto = {
+      randomBytes: (a) => {
+        for (let i = 0; i < a.length; i++) {
+          a[i] = Math.floor(256 * Math.random());
+        }
+      },
+    };
+  }
+}
 // Type definitions for TweetNaCl.js
 
 export as namespace nacl;
diff --git a/modules/esm/nacl.js b/modules/esm/nacl.js
index f24f5d9..9c9aa51 100644
--- a/modules/esm/nacl.js
+++ b/modules/esm/nacl.js
@@ -2,6 +2,23 @@
 
 // deno-lint-ignore-file
 // deno-fmt-ignore-file
+
+// added by nkeys.js
+// shim for crypto.randomBytes on nodejs when using the esm module of the nkeys.js library
+if (!globalThis.crypto) {
+  console.log("shimming crypto.randomBytes")
+  if (typeof module !== "undefined") {
+    globalThis.crypto = require("crypto");
+  } else {
+    globalThis.crypto = {
+      randomBytes: (a) => {
+        for (let i = 0; i < a.length; i++) {
+          a[i] = Math.floor(256 * Math.random());
+        }
+      },
+    };
+  }
+}
 (function(nacl) {
 'use strict';