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edgio-docs · Jul 8, 2024 · c574def · c574def
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Showing 11 changed files with 23 additions and 40 deletions.
diff --git a/examples/polyfill.io-replace/edge-functions/main.js b/examples/polyfill.io-replace/edge-functions/main.js
diff --git a/...-replace/.github/pull_request_template.md → ...-replace/.github/pull_request_template.md b/...-replace/.github/pull_request_template.md → ...-replace/.github/pull_request_template.md
diff --git a/...ll.io-replace/.github/workflows/edgio.yml → ...ll_io-replace/.github/workflows/edgio.yml b/...ll.io-replace/.github/workflows/edgio.yml → ...ll_io-replace/.github/workflows/edgio.yml
diff --git a/examples/polyfill.io-replace/.gitignore → examples/polyfill_io-replace/.gitignore b/examples/polyfill.io-replace/.gitignore → examples/polyfill_io-replace/.gitignore
diff --git a/examples/polyfill.io-replace/README.md → examples/polyfill_io-replace/README.md b/examples/polyfill.io-replace/README.md → examples/polyfill_io-replace/README.md
diff --git a/examples/polyfill_io-replace/edge-functions/main.js b/examples/polyfill_io-replace/edge-functions/main.js
@@ -0,0 +1,21 @@
+export async function handleHttpRequest(request, context) {
+  const baseReplacementUrl = 'https://cdnjs.cloudflare.com';
+  const srcPrefixes = [
+    'https://polyfill.io',
+    'http://polyfill.io',
+    '//polyfill.io',
+  ];
+
+  const transformerDefinitions = srcPrefixes.map((prefix) => ({
+    selector: `script[src^="${prefix}"]`,
+    element: async (el) => {
+      const src = el.get_attribute('src');
+      el.set_attribute('src', src.replace(prefix, baseReplacementUrl));
+    },
+  }));
+
+  // Serve the origin response, transforming the HTML content to replace the polyfill.io script tag(s)
+  return fetch(request.url, { edgio: { origin: 'my-origin' } }).then(
+    (response) => HtmlTransformer.stream(transformerDefinitions, response)
+  );
+}
diff --git a/examples/polyfill.io-replace/edgio.config.js → examples/polyfill_io-replace/edgio.config.js b/examples/polyfill.io-replace/edgio.config.js → examples/polyfill_io-replace/edgio.config.js
diff --git a/...les/polyfill.io-replace/package-lock.json → ...les/polyfill_io-replace/package-lock.json b/...les/polyfill.io-replace/package-lock.json → ...les/polyfill_io-replace/package-lock.json
diff --git a/examples/polyfill.io-replace/package.json → examples/polyfill_io-replace/package.json b/examples/polyfill.io-replace/package.json → examples/polyfill_io-replace/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "edgio-polyfill.io-replace-example",
+  "name": "edgio-polyfill_io-replace-example",
   "version": "1.0.0",
   "description": "",
   "scripts": {
@@ -17,4 +17,4 @@
     "@edgio/prefetch": "^7.12.5"
   },
   "repository": "[email protected]:edgio-docs/edgio-polyfill.io-replace-example.git"
-}
+}
diff --git a/...lyfill.io-replace/public/polyfill.io.html → ...lyfill_io-replace/public/polyfill.io.html b/...lyfill.io-replace/public/polyfill.io.html → ...lyfill_io-replace/public/polyfill.io.html
diff --git a/examples/polyfill.io-replace/routes.js → examples/polyfill_io-replace/routes.js b/examples/polyfill.io-replace/routes.js → examples/polyfill_io-replace/routes.js