snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

integrations/react-webpack-4/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "react-webpack-4",
+  "private": true,
+  "scripts": {
+    "build": "cross-env NODE_OPTIONS=--openssl-legacy-provider webpack --mode production"
+  },
+  "dependencies": {
+    "@tanstack/react-query": "workspace:*",
+    "@tanstack/react-query-devtools": "workspace:*",
+    "react": "^19.0.0",
+    "react-dom": "^19.0.0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.26.0",
+    "@babel/preset-env": "^7.26.0",
+    "@babel/preset-react": "^7.25.9",
+    "babel-loader": "^8.3.0",
+    "cross-env": "^7.0.3",
+    "html-webpack-plugin": "^4.5.2",
+    "webpack": "^4.44.2",
+    "webpack-cli": "^4.10.0"
+  }
+}

integrations/react-webpack-4/public/index.html

@@ -0,0 +1,11 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <title>react-webpack-4</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+  </body>
+</html>

integrations/react-webpack-4/src/App.js

@@ -0,0 +1,24 @@
+import React from 'react'
+import { useQuery } from '@tanstack/react-query'
+
+const App = () => {
+  const query = useQuery({
+    queryKey: ['test'],
+    queryFn: async () => {
+      await new Promise((r) => setTimeout(r, 1000))
+      return 'Success'
+    },
+  })
+
+  if (query.isPending) {
+    return <div>Loading...</div>
+  }
+
+  if (query.isError) {
+    return <div>An error has occurred!</div>
+  }
+
+  return <div>{query.data}</div>
+}
+
+export default App

integrations/react-webpack-4/src/index.js

@@ -0,0 +1,18 @@
+import React from 'react'
+import ReactDOM from 'react-dom/client'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
+import App from './App'
+
+const queryClient = new QueryClient()
+
+const root = ReactDOM.createRoot(document.getElementById('root'))
+
+root.render(
+  <React.StrictMode>
+    <QueryClientProvider client={queryClient}>
+      <App />
+      <ReactQueryDevtools />
+    </QueryClientProvider>
+  </React.StrictMode>,
+)

integrations/react-webpack-4/webpack.config.js

@@ -0,0 +1,24 @@
+const HtmlWebPackPlugin = require('html-webpack-plugin')
+
+const htmlPlugin = new HtmlWebPackPlugin({
+  template: './public/index.html',
+  filename: './index.html',
+})
+
+module.exports = {
+  module: {
+    rules: [
+      {
+        test: /\.(?:js|mjs|cjs|jsx)$/,
+        exclude: /node_modules/,
+        use: {
+          loader: 'babel-loader',
+          options: {
+            presets: ['@babel/preset-env', '@babel/preset-react'],
+          },
+        },
+      },
+    ],
+  },
+  plugins: [htmlPlugin],
+}