Remove node-fetch, add instructions for node 16

langchain-ai · Feb 24, 2023 · 462cfaa · 462cfaa
1 parent 66b57c7
commit 462cfaa
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Showing 8 changed files with 5 additions and 44 deletions.
diff --git a/docs/docs/getting-started.md b/docs/docs/getting-started.md
@@ -10,6 +10,11 @@ To get started, install LangChain with the following command:
 npm i langchain
 ```
 
+If you are running this on Node.js 16, either:
+
+- run your application with `NODE_OPTIONS='--experimental-fetch' node ...`, or
+- install `node-fetch` and follow the instructions [here](https://github.com/node-fetch/node-fetch#providing-global-access)
+
 ## Picking up a LLM
 
 Using LangChain will usually require integrations with one or more model providers, data stores, apis, etc.

diff --git a/langchain/agents/tools/IFTTTWebhook.ts b/langchain/agents/tools/IFTTTWebhook.ts
@@ -32,7 +32,6 @@ service, and you're ready to start receiving data and triggering actions 🎉
 - Copy the IFTTT key value from there. The URL is of the form
 https://maker.ifttt.com/use/YOUR_IFTTT_KEY. Grab the YOUR_IFTTT_KEY value.
  */
-import fetch from "node-fetch";
 import { Tool } from "./base";
 
 export class IFTTTWebhook extends Tool {

diff --git a/langchain/agents/tools/bingserpapi.ts b/langchain/agents/tools/bingserpapi.ts
@@ -1,4 +1,3 @@
-import fetch from "node-fetch";
 import { Tool } from "./base";
 
 class BingSerpAPI extends Tool {

diff --git a/langchain/agents/tools/dadjokeapi.ts b/langchain/agents/tools/dadjokeapi.ts
@@ -1,4 +1,3 @@
-import fetch from "node-fetch";
 import { Tool } from "./base";
 
 class DadJokeAPI extends Tool {

diff --git a/langchain/llms/openai.ts b/langchain/llms/openai.ts
@@ -8,7 +8,6 @@ import type {
 } from "openai";
 import type { IncomingMessage } from "http";
 import fetchAdapter from "@vespaiach/axios-fetch-adapter";
-import fetch from "node-fetch";
 import { createParser } from "eventsource-parser";
 import { backOff } from "exponential-backoff";
 import { chunkArray } from "../util";

diff --git a/langchain/package.json b/langchain/package.json
@@ -73,7 +73,6 @@
     "@dqbd/tiktoken": "^0.2.1",
     "@jest/globals": "^29.4.2",
     "@tsconfig/recommended": "^1.0.2",
-    "@types/node-fetch": "2",
     "@types/uuid": "^9",
     "@typescript-eslint/eslint-plugin": "^5.51.0",
     "@typescript-eslint/parser": "^5.51.0",
@@ -150,7 +149,6 @@
     "exponential-backoff": "^3.1.0",
     "expr-eval": "^2.0.2",
     "gpt-3-encoder": "^1.1.4",
-    "node-fetch": "2",
     "p-queue": "6",
     "uuid": "^9.0.0",
     "yaml": "^2.2.1"

diff --git a/langchain/util/index.ts b/langchain/util/index.ts
@@ -1,4 +1,3 @@
-import fetch, { RequestInit } from "node-fetch";
 import * as yaml from "yaml";
 
 export const extname = (path: string) => `.${path.split(".").pop()}`;

diff --git a/yarn.lock b/yarn.lock
@@ -3288,16 +3288,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node-fetch@npm:2":
-  version: 2.6.2
-  resolution: "@types/node-fetch@npm:2.6.2"
-  dependencies:
-    "@types/node": "*"
-    form-data: ^3.0.0
-  checksum: 6f73b1470000d303d25a6fb92875ea837a216656cb7474f66cdd67bb014aa81a5a11e7ac9c21fe19bee9ecb2ef87c1962bceeaec31386119d1ac86e4c30ad7a6
-  languageName: node
-  linkType: hard
-
 "@types/node@npm:*":
   version: 18.13.0
   resolution: "@types/node@npm:18.13.0"
@@ -7156,17 +7146,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"form-data@npm:^3.0.0":
-  version: 3.0.1
-  resolution: "form-data@npm:3.0.1"
-  dependencies:
-    asynckit: ^0.4.0
-    combined-stream: ^1.0.8
-    mime-types: ^2.1.12
-  checksum: b019e8d35c8afc14a2bd8a7a92fa4f525a4726b6d5a9740e8d2623c30e308fbb58dc8469f90415a856698933c8479b01646a9dff33c87cc4e76d72aedbbf860d
-  languageName: node
-  linkType: hard
-
 "form-data@npm:^4.0.0":
   version: 4.0.0
   resolution: "form-data@npm:4.0.0"
@@ -9467,7 +9446,6 @@ __metadata:
     "@dqbd/tiktoken": ^0.2.1
     "@jest/globals": ^29.4.2
     "@tsconfig/recommended": ^1.0.2
-    "@types/node-fetch": 2
     "@types/uuid": ^9
     "@typescript-eslint/eslint-plugin": ^5.51.0
     "@typescript-eslint/parser": ^5.51.0
@@ -9491,7 +9469,6 @@ __metadata:
     husky: ^8.0.3
     jest: ^29.4.2
     lint-staged: ^13.1.1
-    node-fetch: 2
     openai: ^3.1.0
     p-queue: 6
     pinecone-client: ^1.0.1
@@ -10304,20 +10281,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"node-fetch@npm:2":
-  version: 2.6.9
-  resolution: "node-fetch@npm:2.6.9"
-  dependencies:
-    whatwg-url: ^5.0.0
-  peerDependencies:
-    encoding: ^0.1.0
-  peerDependenciesMeta:
-    encoding:
-      optional: true
-  checksum: acb04f9ce7224965b2b59e71b33c639794d8991efd73855b0b250921382b38331ffc9d61bce502571f6cc6e11a8905ca9b1b6d4aeb586ab093e2756a1fd190d0
-  languageName: node
-  linkType: hard
-
 "node-fetch@npm:2.6.7":
   version: 2.6.7
   resolution: "node-fetch@npm:2.6.7"