adding a shim

nats-io · Jul 14, 2022 · 7a32ddc · 7a32ddc
1 parent 92ab18c
commit 7a32ddc
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diff --git 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
@@ -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
@@ -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';