chore: fix and expand benchmark test

.gitignore

@@ -3,4 +3,5 @@ node_modules/
 sdk.generated.ts
 .bundle
 *.tgz
-cdk.out
+cdk.out
+stats.html

README.md

@@ -1,6 +1,6 @@
 # itty-aws
 
-This is a teeny-tiny AWS SDK implementation for TypeScript using [Proxies](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy) that fits everything into `~40KB`, including all Services and APIs. The name is an homage to the awesome [itty-router](https://github.com/kwhitley/itty-router).
+This is a teeny-tiny AWS SDK implementation for TypeScript using [Proxies](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy) that fits everything into `~14 KB`, including all Services and APIs. The name is an homage to the awesome [itty-router](https://github.com/kwhitley/itty-router).
 
 > 🛠 This is a highly experimental API, do not use for anything serious.
 
@@ -21,8 +21,8 @@ This project aims to eliminate the following issues with the official AWS SDK:
 
 The entire AWS SDK (including all Services and APIs) fits in to a
 
-- Minified bundle size of: `40.4kb`.
-- Un-minified bundle size of: `89.6kb`.
+- Minified bundle size of: `14.6 KB`.
+- Un-minified bundle size of: `26.4 KB`.
 
 > 💪 It is possible to reduce this even further.
 

benchmark/functions/src/v3-mono-handler.ts

@@ -0,0 +1,19 @@
+import { DynamoDB } from "@aws-sdk/client-dynamodb";
+
+const client = new DynamoDB({});
+
+const TableName = process.env.TABLE_NAME!;
+
+export async function handler() {
+  await client.putItem({
+    TableName,
+    Item: {
+      pk: {
+        S: "pk",
+      },
+      prop: {
+        S: "value",
+      },
+    },
+  });
+}

benchmark/infra/src/index.ts

@@ -25,6 +25,7 @@ const props = {
   memorySize: 512,
 };
 
+// Node 18, itty-aws, external @aws-sdk/*
 const ittyFunc = new aws_lambda_nodejs.NodejsFunction(stack, "IttyFunc", {
   functionName: "benchmark-itty",
   runtime: aws_lambda.Runtime.NODEJS_18_X,
@@ -35,30 +36,76 @@ const ittyFunc = new aws_lambda_nodejs.NodejsFunction(stack, "IttyFunc", {
   ...props,
 });
 
+// Node 16, external "aws-sdk"
+const v2Func = new aws_lambda_nodejs.NodejsFunction(stack, "V2", {
+  functionName: "benchmark-v2",
+  runtime: aws_lambda.Runtime.NODEJS_16_X,
+  entry: require.resolve("@benchmark/functions/lib/v2-handler"),
+  bundling: {
+    externalModules: ["aws-sdk"],
+  },
+  ...props,
+});
+
+// Node 18, aws-sdk-v3, DynamoDBClient.send API, bundled in
 const v3BundledFunc = new aws_lambda_nodejs.NodejsFunction(stack, "V3Bundled", {
   functionName: "benchmark-v3-bundled",
   runtime: aws_lambda.Runtime.NODEJS_18_X,
-  entry: require.resolve("@benchmark/functions/lib/itty-handler"),
+  entry: require.resolve("@benchmark/functions/lib/v3-handler"),
   bundling: {
     externalModules: [],
   },
   ...props,
 });
 
+// Node 18, aws-sdk-v3, DynamoDBClient.send API, tree-shaken out (using one provided by us)
 const v3ExcludedFunc = new aws_lambda_nodejs.NodejsFunction(
   stack,
   "V3Excluded",
   {
     functionName: "benchmark-v3-excluded",
     runtime: aws_lambda.Runtime.NODEJS_18_X,
-    entry: require.resolve("@benchmark/functions/lib/itty-handler"),
+    entry: require.resolve("@benchmark/functions/lib/v3-handler"),
     bundling: {
       externalModules: ["@aws-sdk/*"],
     },
     ...props,
   }
 );
 
+// Node 18, aws-sdk-v3, DynamoDB.putItem (mono API), tree-shaken
+const v3ExcludedMonoFunc = new aws_lambda_nodejs.NodejsFunction(
+  stack,
+  "V3ExcludedMono",
+  {
+    functionName: "benchmark-v3-mono-excluded",
+    runtime: aws_lambda.Runtime.NODEJS_18_X,
+    entry: require.resolve("@benchmark/functions/lib/v3-mono-lambda"),
+    bundling: {
+      externalModules: ["@aws-sdk/*"],
+    },
+    ...props,
+  }
+);
+
+// Node 18, aws-sdk-v3, DynamoDB.putItem (mono API), bundled
+const v3BundledMonoFunc = new aws_lambda_nodejs.NodejsFunction(
+  stack,
+  "V3BundledMono",
+  {
+    functionName: "benchmark-v3-mono-bundled",
+    runtime: aws_lambda.Runtime.NODEJS_18_X,
+    entry: require.resolve("@benchmark/functions/lib/v3-mono-lambda"),
+    bundling: {
+      externalModules: [],
+    },
+    ...props,
+  }
+);
+
 table.grantReadWriteData(ittyFunc);
+table.grantReadWriteData(v2Func);
 table.grantReadWriteData(v3BundledFunc);
 table.grantReadWriteData(v3ExcludedFunc);
+table.grantReadWriteData(v3ExcludedMonoFunc);
+table.grantReadWriteData(v3BundledMonoFunc);

scripts/analyze-bundle.sh

@@ -1,5 +1,5 @@
 mkdir .bundle
 
-npx esbuild ./src/index.ts --platform=node --bundle --outfile=.bundle/index.js --metafile=.bundle/meta.json
+npx esbuild ./src/index.ts --platform=node --bundle --outfile=.bundle/index.js --metafile=.bundle/meta.json --external:@aws-sdk/* --minify
 
 npx esbuild-visualizer --metadata .bundle/meta.json --open