feat: generate es-module distribution (#686)

Author: srchase

smithy-typescript-ssdk-libs/server-apigateway/package.json

@@ -3,11 +3,15 @@
   "version": "1.0.0-alpha.7",
   "description": "Base components for Smithy services behind APIGateway",
   "main": "./dist/cjs/index.js",
+  "module": "./dist/es/index.js",
   "types": "./dist/types/index.d.ts",
   "scripts": {
     "prepublishOnly": "yarn build",
     "pretest": "yarn build",
-    "build": "tsc -p tsconfig.json",
+    "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types'",
+    "build:cjs": "tsc -p tsconfig.cjs.json",
+    "build:es": "tsc -p tsconfig.es.json",
+    "build:types": "tsc -p tsconfig.types.json",
     "postbuild": "rimraf dist/types/ts3.4 && downlevel-dts dist/types dist/types/ts3.4",
     "test": "jest --passWithNoTests",
     "clean": "rimraf dist",
@@ -30,6 +34,7 @@
   "devDependencies": {
     "@types/jest": "^26.0.4",
     "@types/node": "^14.14.37",
+    "concurrently": "^7.6.0",
     "downlevel-dts": "^0.7.0",
     "jest": "^26.1.0",
     "typescript": "~4.2.2",

smithy-typescript-ssdk-libs/server-apigateway/tsconfig.cjs.json

@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig",
+  "compilerOptions": {
+    "outDir": "dist/cjs"
+  }
+}

smithy-typescript-ssdk-libs/server-apigateway/tsconfig.es.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig",
+  "compilerOptions": {
+    "module": "esnext",
+    "outDir": "dist/es"
+  }
+}

smithy-typescript-ssdk-libs/server-apigateway/tsconfig.json

@@ -1,11 +1,10 @@
 {
+  "extends": "../tsconfig.json",
   "compilerOptions": {
     "stripInternal": true,
-    "declarationDir": "./dist/types",
-    "rootDir": "./src",
-    "outDir": "./dist/cjs",
+    "removeComments": true,
+    "rootDir": "src",
     "baseUrl": "."
   },
-  "extends": "../tsconfig.json",
   "include": ["src/"]
 }

smithy-typescript-ssdk-libs/server-apigateway/tsconfig.types.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig",
+  "compilerOptions": {
+    "removeComments": false,
+    "declaration": true,
+    "declarationDir": "dist/types",
+    "emitDeclarationOnly": true
+  },
+  "exclude": ["test/**/*", "dist/types/**/*"]
+}