Discord / HTMLRewriter: inject meta from API call

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 dist
-.mf
+.mf
+.envrc

.vscode/launch.json

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+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Miniflare (npm)",
+      "type": "node",
+      "request": "launch",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev"],
+      "skipFiles": ["<node_internals>/**"]
+      // Collect a log file by setting trace: true in your launch.json, then upload it here.
+      // https://microsoft.github.io/vscode-pwa-analyzer/index.html
+      // via https://stackoverflow.com/questions/64589447/unbound-breakpoint-vs-code-chrome-angular
+      // "trace": true
+    },
+    {
+      "type": "node",
+      "name": "vscode-jest-tests",
+      "request": "launch",
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "cwd": "${workspaceFolder}",
+      "runtimeExecutable": "npm",
+      "args": ["test", "--", "--runInBand", "--watchAll=false"]
+    },
+    {
+      // https://jestjs.io/docs/troubleshooting
+      // node --inspect-brk --experimental-vm-modules node_modules/jest/bin/jest.js --verbose --runInBand
+      // https://miniflare.dev/developing/debugger#using-node
+      // node --experimental-vm-modules --inspect ./node_modules/miniflare/dist/src/cli.js dist/index.mjs --watch --debug
+      "type": "node",
+      "request": "attach",
+      "name": "Attach",
+      "port": 9229
+    }
+  ]
+}

.vscode/settings.json

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+{
+  "jest.jestCommandLine": "npm test --",
+  "jest.autoRun": {
+    // https://github.com/jest-community/vscode-jest/blob/master/README.md#autorun
+    // "watch": true, // comment to disable refreshing on source change
+    "onSave": "test-file", // always run on test file changed
+    "onStartup": [] // ["all-tests"],
+  }
+}

README.md

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 # Miniflare Example Project
 
+> And is it possible to generate these tags for example, from an api response? We would like to use dinamic og title and images, and it is not clear how to implement it.
+
+See:
+
+- https://developers.cloudflare.com/workers/runtime-apis/html-rewriter/#element-handlers
+- https://developers.cloudflare.com/workers/examples/rewrite-links/
+
+---
+
 This is an example [Cloudflare Workers](https://workers.cloudflare.com/) project that uses [Miniflare](https://github.com/cloudflare/miniflare) for local development, [TypeScript](https://www.typescriptlang.org/), [esbuild](https://github.com/evanw/esbuild) for bundling, and [Jest](https://jestjs.io/) for testing, with [Miniflare's custom Jest environment](https://v2.miniflare.dev/jest.html).
 
 ```shell