fix require is not defined in ES module scope

lib/lnd.js

@@ -5,12 +5,15 @@ import { join } from 'path'
 import apiForProto from 'lightning/lnd_grpc/api_for_proto'
 import { defaultSocket, grpcSslCipherSuites, packageTypes, protoFiles, protosDir, serviceTypes } from 'lightning/grpc/index'
 import grpcCredentials from 'lightning/lnd_grpc/grpc_credentials'
+import { createRequire } from 'module'
 
 const { GRPC_SSL_CIPHER_SUITES } = process.env
 const { keys } = Object
 
 export function authenticatedLndGrpc ({ cert, macaroon, path, socket }, withProxy) {
-  const lightningModulePath = require.resolve('lightning')
+  const req = createRequire(import.meta.url)
+
+  const lightningModulePath = req.resolve('lightning')
   const pathForProto = proto => join(lightningModulePath, protosDir, proto)
 
   const { credentials } = grpcCredentials({ cert, macaroon })