WooCommerce API with Fetch

index.ts

import OAuth from "oauth-1.0a";
import crypto from "crypto";

const authParams = {
  consumer: {
    key: "<consumer-key>",
    secret: "<consumer-secret>",
  },
  signature_method: "HMAC-SHA256",
  hash_function: (base: any, key: any) => {
    return crypto.createHmac("sha256", key).update(base).digest("base64");
  },
};

const oauth = new OAuth(authParams);
      
const url = "http://localhost:10004/wp-json/wc/v3/products";

const auth = oauth.authorize({
  url,
  method: "get",
});

const authHeader = oauth.toHeader(auth);

const res = await fetch(url, {
  headers: {
    ...authHeader,
  },
});
const products = await res.json();