build: prepack to build types

packages/eventual-send/package.json

@@ -10,6 +10,9 @@
     "test:c8": "c8 $C8_OPTIONS ava --config=ava-nesm.config.js",
     "test:xs": "exit 0",
     "build": "exit 0",
+    "clean": "tsc --build tsconfig.build.json --clean",
+    "prepack": "tsc --build tsconfig.build.json",
+    "postpack": "yarn clean",
     "lint-fix": "yarn lint:eslint --fix && yarn lint:types",
     "lint-check": "yarn lint",
     "lint": "yarn lint:types && yarn lint:eslint",

packages/eventual-send/tsconfig.build.json

@@ -0,0 +1,12 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "noEmit": false,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "declarationMap": true
+  },
+  "exclude": [
+    "test/"
+  ]
+}

packages/eventual-send/tsconfig.json

@@ -1,25 +1,21 @@
-// This file can contain .js-specific Typescript compiler config.
 {
   "compilerOptions": {
-    "allowJs": true,
     "target": "esnext",
     "module": "esnext",
-    "moduleResolution": "node",
-
-    "noEmit": true,
     "checkJs": true,
-    /*
-    // The following flags are for creating .d.ts files:
-    "noEmit": false,
-    "declaration": true,
-    "emitDeclarationOnly": true,
-    */
+    "noEmit": true,
     "downlevelIteration": true,
-
     "strictNullChecks": true,
+    "moduleResolution": "node",
+    "allowJs": true,
     "noImplicitAny": false,
     "useUnknownInCatchVariables": false,
     "skipLibCheck": false,
   },
-  "include": ["*.js", "*.ts", "src/**/*.js", "src/**/*.ts"]
+  "include": [
+    "*.js",
+    "*.ts",
+    "src/**/*.js",
+    "src/**/*.ts"
+  ]
 }