fix(pkg): add a default fallback export (#480)

* fix(pkg): add a `default` fallback export

See octokit/core.js#665 octokit/core.js#667

* docs(README): add note on needed config changes for TypeScript

README.md

@@ -95,6 +95,9 @@ got[options.method](url, options);
 axios(requestOptions);
 ```
 
+> [!IMPORTANT]
+> As we use [conditional exports](https://nodejs.org/api/packages.html#conditional-exports), you will need to adapt your `tsconfig.json`. See the TypeScript docs on [package.json "exports"](https://www.typescriptlang.org/docs/handbook/modules/reference.html#packagejson-exports).
+
 ## API
 
 ### `endpoint(route, options)` or `endpoint(options)`

scripts/build.mjs

@@ -61,10 +61,13 @@ async function main() {
       {
         ...pkg,
         files: ["dist-*/**", "bin/**"],
+        types: "./dist-types/index.d.ts",
         exports: {
           ".": {
             types: "./dist-types/index.d.ts",
             import: "./dist-bundle/index.js",
+            // Tooling currently are having issues with the "exports" field when there is no "default", ex: TypeScript, eslint
+            default: "./dist-bundle/index.js",
           },
         },
         sideEffects: false,