feat: add crypto polyfill for health check and Node.js compatibility

Author: Ansonhkg

local-tests/build.mjs

@@ -78,10 +78,33 @@ try {
   }
 };
 
+/**
+ * Adds crypto polyfill to health check build
+ */
+export const postBuildHealthPolyfill = () => {
+  try {
+    const file = fs.readFileSync(`./${TEST_DIR}/build/health/index.mjs`, 'utf8');
+    const content = `// Additional crypto polyfill check
+try {
+  if (!globalThis.crypto && typeof webcrypto !== 'undefined') {
+    globalThis.crypto = webcrypto;
+  }
+} catch (error) {
+  console.error('❌ Error in crypto polyfill', error);
+}
+`;
+    const newFile = content + file;
+    fs.writeFileSync(`./${TEST_DIR}/build/health/index.mjs`, newFile);
+  } catch (e) {
+    throw new Error(`Error in postBuildHealthPolyfill: ${e}`);
+  }
+};
+
 // Go!
 (async () => {
   const start = Date.now();
   await build();
   postBuildPolyfill();
+  postBuildHealthPolyfill();
   console.log(`[build.mjs] 🚀 Build time: ${Date.now() - start}ms`);
 })();

local-tests/health/index.ts

@@ -1,12 +1,6 @@
 import { createLitStatusClient } from '@lit-protocol/lit-status-sdk';
 import { DatilHealthManager } from './DatilHealthManager';
 
-// Fix for Node.js crypto in ESM
-import { webcrypto } from 'node:crypto';
-if (!globalThis.crypto) {
-  globalThis.crypto = webcrypto as Crypto;
-}
-
 // Configuration
 const NETWORK = process.env.NETWORK!;
 const PRODUCT = 'js-sdk/datil';

local-tests/shim.mjs

@@ -1,3 +1,10 @@
 import { createRequire } from 'module';
+import { webcrypto } from 'node:crypto';
+
 const require = createRequire(import.meta.url);
 global.require = require;
+
+// Add crypto polyfill for Node.js
+if (!globalThis.crypto) {
+  globalThis.crypto = webcrypto;
+}