Rejuvenate tooling, CI, and tests

.github/workflows/check.yml

@@ -10,12 +10,16 @@ jobs:
   check:
     runs-on: ubuntu-latest
     timeout-minutes: 5
+    strategy:
+      matrix:
+        node-version: ['20.x', '22.x', '24.x']
+        react-version: ['18', '19']
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
-          node-version: '22.x'
+          node-version: ${{ matrix.node-version }}
           cache: 'npm'
 
       - name: Install dependencies
@@ -27,5 +31,8 @@ jobs:
       - name: Build
         run: npm run build
 
+      - name: Install React ${{ matrix.react-version }}
+        run: npm install --no-save react@${{ matrix.react-version }} react-dom@${{ matrix.react-version }}
+
       - name: Test
         run: npm test

.github/workflows/deploy.yml

@@ -18,9 +18,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v7
         with:
           node-version: '24.x'
           registry-url: 'https://registry.npmjs.org'

.husky/pre-commit

@@ -1,4 +1 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 npm run lint

README.md

@@ -26,6 +26,8 @@ npm install @formspark/use-formspark
 yarn add @formspark/use-formspark
 ```
 
+Requires React 18 or 19 and Node.js 18 or newer.
+
 ## Usage
 
 ```tsx
@@ -52,11 +54,11 @@ const ContactForm = () => {
 };
 ```
 
-**Note:** don't confuse the form's action URL (e.g. `https://submit-form.com/capybara`) with the form ID (e.g. `capybara`) — this package only uses the latter.
+**Note:** don't confuse the form's action URL (e.g. `https://submit-form.com/capybara`) with the form ID (e.g. `capybara`). This package only uses the latter.
 
 ## Error handling
 
-`submit` throws a `FormsparkError` when the server responds with a non-2xx status. The error carries the HTTP status and parsed response body.
+`submit` throws a `FormsparkError` when the server responds with a non-2xx status. The error carries the HTTP status and the response body, parsed as JSON when possible and kept as raw text otherwise.
 
 ```ts
 import { useFormspark, FormsparkError } from "@formspark/use-formspark";