implements support for ESM and non-ESM with @apidevtools/json-schema-…

examples/repro-cjs/index.js

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+const express = require('express');
+const path = require('path');
+const { middleware } = require('../../dist');
+
+const app = express();
+
+const spec = path.join(__dirname, 'openapi.yaml');
+
+app.use(
+    middleware({
+        apiSpec: spec,
+        validateRequests: true,
+        validateResponses: true,
+    })
+);
+
+app.get('/test', (req, res) => {
+    res.json({ result: 'OK' });
+});
+
+app.listen(3000, () => {
+    console.log('CJS Server running on port 3000');
+
+});

examples/repro-cjs/openapi.yaml

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+openapi: 3.0.0
+info:
+  title: Test API
+  version: 1.0.0
+paths:
+  /test:
+    get:
+      parameters:
+        - name: id
+          in: query
+          required: true
+          schema:
+            type: string
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  result:
+                    type: string