add support for passing es build overrides

Author: yarbsemaj

README.md

@@ -11,17 +11,16 @@ npm install --save-dev @yarbsemaj/adapter-lambda
 In your `svelte.config.js` configure the adapter as below;
 
 ```js
-import preprocess from 'svelte-preprocess'; //Optional
 import serverless from '@yarbsemaj/adapter-lambda';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-  preprocess: preprocess(), //Optional
-
-  kit: {
-    adapter: serverless(),
-  },
+	preprocess: vitePreprocess(),
 
+	kit: {
+		adapter: serverless() //See Below for optional arguments
+	}
 };
 
 export default config;
@@ -44,6 +43,12 @@ An example project using cdk can be found [here](https://github.com/yarbsemaj/sv
 ### Tada 🎉
 No matter how you deploy, your app can then be accessed via the CloudFront distribution created as a part of the stack.
 
+## Options
+| Argument            | Description                                | Type    | Default |
+| ------------------- | ------------------------------------------ | ------- | ------- |
+| **out**             | the output directory of build files        | string  | out     |
+| **esbuildOverride** | overrides for the [default esbuild options](https://github.com/yarbsemaj/sveltekit-adapter-lambda/blob/master/index.js#L69)  | [esbuild Build Options](https://github.com/evanw/esbuild/blob/fc37c2fa9de2ad77476a6d4a8f1516196b90187e/lib/shared/types.ts#L110) | {}     |
+
 ## Static Assets and precompiled pages
 To server static assets and precompiled pages, this adapter makes use of S3. In order to route traffic to the correct destination a Lambda@edge function is used to perform an origin rewrite to redirect traffic to the S3 Bucket.
 
@@ -55,16 +60,16 @@ To server static assets and precompiled pages, this adapter makes use of S3. In
 Please raise an issue on [Github](https://github.com/yarbsemaj/sveltekit-adapter-lambda/issues), and I will be happy to issue a fix.
 
 ## Versions
-| Adapter Version| Sveltekit Version |
-| ---------------| ----------------- |
-| 1.1.x - 1.2.x  | 1.22.0 (Official) |
-| 1.x.x          | 1.0.0 (Official)  |
-| 0.12.x         | 1.0.0-next.433    |
-| 0.11.x         | 1.0.0-next.401    |
-| 0.10.x         | 1.0.0-next.380    |
-| 0.9.x          | 1.0.0-next.348    |
-| 0.6.x - 0.8.x  | 1.0.0-next.301    |
-| 0.5.x          | 1.0.0-next.286    |
-| 0.3.x - 0.4.x  | 1.0.0-next.286    |
-| 0.2.x          | 1.0.0-next.239    |
-| 0.1.x          | 1.0.0-next.169    |
+| Adapter Version | Sveltekit Version |
+| --------------- | ----------------- |
+| 1.1.x - 1.2.x   | 1.22.0 (Official) |
+| 1.x.x           | 1.0.0 (Official)  |
+| 0.12.x          | 1.0.0-next.433    |
+| 0.11.x          | 1.0.0-next.401    |
+| 0.10.x          | 1.0.0-next.380    |
+| 0.9.x           | 1.0.0-next.348    |
+| 0.6.x - 0.8.x   | 1.0.0-next.301    |
+| 0.5.x           | 1.0.0-next.286    |
+| 0.3.x - 0.4.x   | 1.0.0-next.286    |
+| 0.2.x           | 1.0.0-next.239    |
+| 0.1.x           | 1.0.0-next.169    |

index.js

@@ -6,9 +6,10 @@ const esbuild = require('esbuild');
 /**
  * @param {{
  *   out?: string;
+ *   esbuildOverride?: import('esbuild').BuildOptions;
  * }} options
  */
-module.exports = function ({ out = 'build' } = {}) {
+module.exports = function ({ out = 'build', esbuildOverride = {} } = {}) {
   /** @type {import('@sveltejs/kit').Adapter} */
   const adapter = {
     name: 'adapter-serverless',
@@ -47,13 +48,15 @@ module.exports = function ({ out = 'build' } = {}) {
 
       builder.log.minor('Building lambda');
       esbuild.buildSync({
-        entryPoints: [`${server_directory}/_serverless.js`],
-        outfile: `${server_directory}/serverless.js`,
-        inject: [join(`${server_directory}/shims.js`)],
-        external: ['node:*'],
-        format: 'cjs',
-        bundle: true,
-        platform: 'node',
+        ...{
+          entryPoints: [`${server_directory}/_serverless.js`],
+          outfile: `${server_directory}/serverless.js`,
+          inject: [join(`${server_directory}/shims.js`)],
+          external: ['node:*'],
+          format: 'cjs',
+          bundle: true,
+          platform: 'node',
+        }, ...esbuildOverride
       });
 
       builder.log.minor('Prerendering static pages');

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@yarbsemaj/adapter-lambda",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "license": "MIT",
   "description": "An adapter for [SvelteKit](https://kit.svelte.dev/) for AWS Lambda.  [Serverless](https://www.serverless.com/) or [CDK](https://aws.amazon.com/cdk/) deployment.",
   "repository": {