From 9a5819502a0aa3de1aedc9fb4c66110f8e90fb84 Mon Sep 17 00:00:00 2001
From: Mattt Zmuda <mattt@replicate.com>
Date: Tue, 5 Sep 2023 04:43:49 -0700
Subject: [PATCH 1/4] Default client auth to REPLICATE_API_TOKEN environment
 variable

---
 index.d.ts | 4 ++--
 index.js   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 50ebd1cd..32f279a7 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -69,8 +69,8 @@ declare module 'replicate' {
   }
 
   export default class Replicate {
-    constructor(options: {
-      auth: string;
+    constructor(options?: {
+      auth?: string;
       userAgent?: string;
       baseUrl?: string;
       fetch?: Function;
diff --git a/index.js b/index.js
index 9662235f..c6a2cc20 100644
--- a/index.js
+++ b/index.js
@@ -32,13 +32,13 @@ class Replicate {
    * Create a new Replicate API client instance.
    *
    * @param {object} options - Configuration options for the client
-   * @param {string} options.auth - Required. API access token
+   * @param {string} options.auth - API access token. Defaults to the `REPLICATE_API_TOKEN` environment variable.
    * @param {string} options.userAgent - Identifier of your app
    * @param {string} [options.baseUrl] - Defaults to https://api.replicate.com/v1
    * @param {Function} [options.fetch] - Fetch function to use. Defaults to `globalThis.fetch`
    */
   constructor(options = {}) {
-    this.auth = options.auth;
+    this.auth = options.auth || process.env.REPLICATE_API_TOKEN;
     this.userAgent =
       options.userAgent || `replicate-javascript/${packageJSON.version}`;
     this.baseUrl = options.baseUrl || 'https://api.replicate.com/v1';

From 99a483bd06c54c061103d17a097af8ca7d642ab3 Mon Sep 17 00:00:00 2001
From: Mattt Zmuda <mattt@replicate.com>
Date: Tue, 5 Sep 2023 04:47:19 -0700
Subject: [PATCH 2/4] Update tests

---
 index.test.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/index.test.ts b/index.test.ts
index a560da18..c35b41f9 100644
--- a/index.test.ts
+++ b/index.test.ts
@@ -51,9 +51,12 @@ describe('Replicate client', () => {
     });
 
     test('Does not throw error if auth token is not provided', () => {
+      process.env.REPLICATE_API_TOKEN = 'test-token';
+
       expect(() => {
-        // @ts-expect-error
-        new Replicate();
+        const clientWithImplicitAuth = new Replicate();
+
+        expect(clientWithImplicitAuth.auth).toBe('test-token');
       }).not.toThrow();
     });
 

From 67eccfdde65dc5460f2317c77b5d65a4c098495d Mon Sep 17 00:00:00 2001
From: Mattt Zmuda <mattt@replicate.com>
Date: Tue, 5 Sep 2023 04:51:07 -0700
Subject: [PATCH 3/4] Update README

---
 README.md | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 28423586..55d4f8e1 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,7 @@ Create the client:
 import Replicate from "replicate";
 
 const replicate = new Replicate({
-  // get your token from https://replicate.com/account
-  auth: process.env.REPLICATE_API_TOKEN,
+  auth: "my api token", // defaults to process.env.REPLICATE_API_TOKEN
 });
 ```
 
@@ -124,18 +123,14 @@ and pass it to the `fetch` option in the constructor.
 import Replicate from "replicate";
 import fetch from "cross-fetch";
 
-const replicate = new Replicate({
-  // get your token from https://replicate.com/account
-  auth: process.env.REPLICATE_API_TOKEN,
-  fetch: fetch,
-});
+const replicate = new Replicate({ fetch });
 ```
 
 You can override the `fetch` property to add custom behavior to client requests,
 such as injecting headers or adding log statements.
 
 ```js
-client.fetch = (url, options) => {
+replicate.fetch = (url, options) => {
   const headers = new Headers(options && options.headers);
   headers.append("X-Custom-Header", "some value");
 

From 9d01bf9a35585edcdba9c8e407d6103500e9a7c0 Mon Sep 17 00:00:00 2001
From: Mattt <mattt@replicate.com>
Date: Mon, 2 Oct 2023 03:33:47 -0700
Subject: [PATCH 4/4] Apply suggestions from code review

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 55d4f8e1..d6f02572 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ Create the client:
 import Replicate from "replicate";
 
 const replicate = new Replicate({
+  // get your token from https://replicate.com/account
   auth: "my api token", // defaults to process.env.REPLICATE_API_TOKEN
 });
 ```