Fixed: #7274#7278
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Pull request overview
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Adds bot-aware OG meta injection to the examples/search app by introducing a streaming HTML head injector and using isbot to detect crawlers.
Changes:
- Add
isbotdependency to support bot detection in example route(s) - Introduce
InjectMetaTransformstream to inject HTML into<head>without loading the whole file - Enhance
examples/searchto run without Redis installed (in-memory fallback) and add a bot-aware/video/:idroute
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| package.json | Adds isbot dependency used by the new bot-aware example route |
| lib/injectMetaTransform.js | New Transform stream to inject meta HTML before </head> |
| examples/search/index.js | Redis optional fallback, formatting updates, and new bot-aware /video/:id route using the injector |
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| app.get('/search/{:query}', function (req, res, next) { | ||
| var query = req.params.query || ''; | ||
| app.get("/search/{:query}", function (req, res, next) { |
| "router": "^2.2.0", | ||
| "send": "^1.1.0", | ||
| "serve-static": "^2.2.0", | ||
| "isbot": "^3.6.0", |
| this.buffer += chunk.toString("utf8"); | ||
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| const idx = this.buffer.indexOf("</head>"); |
| // keep buffer bounded to avoid OOM on malformed HTML | ||
| if (this.buffer.length > 128 * 1024) { | ||
| this.push(this.buffer); | ||
| this.buffer = ""; | ||
| } |
| res.type("html"); | ||
| const stream = fs.createReadStream(indexPath); | ||
| stream.on("error", next); | ||
| stream.pipe(new InjectMetaTransform(metaHtml)).pipe(res); |
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If you have some suggestions or answers to other people's questions, then please either post the code in response or create a separate gist/repo showing your idea. Modifying an existing example to do something completely different from what it is supposed to do makes things harder to understand. |
Fix: #7274