From 2b7e1a8267b169aa018350f0debb2838184db7db Mon Sep 17 00:00:00 2001
From: James Li <james.li.upenn@gmail.com>
Date: Thu, 16 May 2024 17:19:58 -0700
Subject: [PATCH] Make fs dynamically imported

---
 package-lock.json | 10 ++++++++--
 package.json      |  3 ++-
 src/dimo.ts       | 41 ++++++++++++++++++++++++++++++++---------
 tsconfig.json     |  5 +++--
 4 files changed, 45 insertions(+), 14 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 9e7d6d3..5660bdc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,16 @@
 {
   "name": "@dimo-network/dimo-node-sdk",
-  "version": "1.0.2",
+  "version": "1.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@dimo-network/dimo-node-sdk",
-      "version": "1.0.0",
+      "version": "1.1.4",
       "license": "Apache-2.0",
       "dependencies": {
         "axios": "^1.6.7",
+        "fs": "^0.0.1-security",
         "web3": "^4.6.0"
       },
       "devDependencies": {
@@ -2863,6 +2864,11 @@
         "node": ">= 6"
       }
     },
+    "node_modules/fs": {
+      "version": "0.0.1-security",
+      "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
+      "integrity": "sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w=="
+    },
     "node_modules/fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
diff --git a/package.json b/package.json
index 53dec52..37d8cb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@dimo-network/dimo-node-sdk",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "description": "DIMO SDK for JavaScript",
   "main": "dist/index.js",
   "author": "James Li",
@@ -24,6 +24,7 @@
   },
   "dependencies": {
     "axios": "^1.6.7",
+    "fs": "^0.0.1-security",
     "web3": "^4.6.0"
   },
   "devDependencies": {
diff --git a/src/dimo.ts b/src/dimo.ts
index 2940cd1..7600189 100644
--- a/src/dimo.ts
+++ b/src/dimo.ts
@@ -1,5 +1,4 @@
 import { DimoEnvironment } from './environments';
-import fs from 'fs';
 
 import {
     Identity,
@@ -54,13 +53,37 @@ export class DIMO {
 
     // Helper Function
     async authenticate() {
-        const credentials = JSON.parse(fs.readFileSync('.credentials.json', 'utf8'));
-        // Call getToken with credentials
-        const authHeader = await this.auth.getToken({
-            client_id: credentials.client_id,
-            domain: credentials.redirect_uri,
-            private_key: credentials.private_key,
-        });
-        return authHeader;
+        let fs;
+        try {
+            // Dynamically import fs
+            if (typeof process !== 'undefined' && process.versions && process.versions.node) {
+                fs = await import('fs');
+            } else {
+                // Optionally handle the case where 'fs' is not available, returns null
+                console.log('Not in Node.js environment; `fs` module is not available.');
+                return null;
+            }
+
+            if (!fs.existsSync('.credentials.json')) {
+                throw new Error('Credentials file does not exist');
+            }
+    
+            const data = fs.readFileSync('.credentials.json', 'utf8');
+            const credentials = JSON.parse(data);
+    
+            const authHeader = await this.auth.getToken({
+                client_id: credentials.client_id,
+                domain: credentials.redirect_uri,
+                private_key: credentials.private_key,
+            });
+            
+            return authHeader;
+
+        } catch (error: any) {
+            // Handle file not existing and other errors
+            console.error('Failed to authenticate:', error.message);
+            // Decide whether to throw the error or handle it differently
+            throw new Error('Authentication failed');
+        }
     }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 2fde5c0..cec5dc2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,10 +11,11 @@
     "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
     "strict": true,                                      /* Enable all strict type-checking options. */
     "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
-    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+    "skipLibCheck": true,                                 /* Skip type checking all .d.ts files. */
+    "types": ["node"]
   },
   "include": [
-    "src"
+    "src", "node"
   ],
   "exclude": [],
   "ts-node": {