Adding a TypeScript CloudFront Function Example

typescript-cloudfront-functions/.gitignore

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+node_modules/
+dist/

typescript-cloudfront-functions/.nvmrc

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+v18.12.1

typescript-cloudfront-functions/README.md

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+## Overview
+This is a sample package to demonstrate how to use TypeScript with CloudFront Functions.
+
+There is a `webpack.config.js` which bundles the TypeScript code and produces a single JavaScript file which can be uploaded as a CloudFront Function.
+This JavaScript file exposes a global `handler` variable which points to the default export from your TypeScript file.
+
+### Building this Package
+To build the code and get a JavaScript file that can be uploaded to CloudFront, execute:
+```shell
+nvm use
+npm install
+npm run build
+```
+
+And then find your JavaScript file in the `dist/` directory.
+
+### Adding a New Function
+Just create a new TypeScript file in `src/` with a default export handler function that CloudFront Functions should run.
+You can optionally add a unit test for this function by adding a file ending in `.test.ts` in the `tst/` directory.
+
+And that's it! The Webpack config will automatically create a new application entrypoint for this TypeScript file and include a JavaScript version in the `dist/` directory.
+
+### Testing
+This package uses [Jest](https://jestjs.io/) for unit testing. To run tests, execute:
+```shell
+npm run test
+```