Improve Swagger 2.0 support

.changeset/new-jobs-judge.md

@@ -0,0 +1,5 @@
+---
+'fets': patch
+---
+
+Improve Swagger 2.0 support

examples/soccer-stats/index.ts

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+import { createClient, type NormalizeOAS } from 'fets';
+import type swagger from './soccer-stats-swagger';
+
+const client = createClient<NormalizeOAS<typeof swagger>>({
+  endpoint: 'https://api.sportsdata.io/v4/soccer/stats',
+});
+
+const res = await client['/{format}/Areas'].get({
+  params: {
+    format: 'json',
+  },
+  headers: {
+    'Ocp-Apim-Subscription-Key': 'test',
+  },
+});
+
+if (!res.ok) {
+  const err = await res.text();
+  throw new Error(err);
+}
+
+const data = await res.json();
+console.log(`Areas: ${data.length} items`);
+for (const item of data) {
+  console.log(`- ID: ${item.AreaId}, Name: ${item.Name}`);
+}

examples/soccer-stats/package.json

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+{
+  "name": "example-soccer-stats",
+  "version": "0.0.0",
+  "description": "An example app uses Soccer Stats API",
+  "private": true,
+  "scripts": {
+    "prepare": "ts-node scripts/download-oas.ts",
+    "start": "ts-node-dev index.ts"
+  },
+  "dependencies": {
+    "@types/node": "18.16.19",
+    "fets": "0.4.3",
+    "ts-node": "10.9.1",
+    "ts-node-dev": "2.0.0",
+    "typescript": "^5.0.0",
+    "zod": "3.21.4"
+  }
+}