Build dual ESM/CJS packages; move some exports to deep imports

.circleci/config.yml

@@ -44,6 +44,13 @@ jobs:
       - store_test_results:
           path: junit.xml
 
+  Smoke test built package:
+    docker:
+    - image: cimg/base:stable
+    steps:
+      - setup-node
+      - run: npm run test:smoke
+
   Prettier:
     docker:
     - image: cimg/base:stable
@@ -90,3 +97,4 @@ workflows:
       - "Check for FIXM\x45"
       - Prettier
       - Spell check
+      - Smoke test built package

.codesandbox/ci.json

@@ -2,6 +2,7 @@
   "buildCommand": "compile",
   "installCommand": "install-with-npm-8.5",
   "packages": [
+    "packages/usage-reporting-protobuf",
     "packages/server"
   ],
   "sandboxes": ["apollo-server-typescript-3opde","apollo-server"],

cspell-dict.txt

@@ -102,6 +102,7 @@ microrouter
 middlewares
 Middlewares
 millis
+mktemp
 monodocs
 mygraph
 myvariant
@@ -119,6 +120,8 @@ pbts
 pook
 Pook
 pooks
+postcompile
+precompile
 preflighted
 preflighting
 prepended
@@ -135,6 +138,7 @@ retryable
 revalidates
 roadmap
 ROADMAP
+rollup
 runtimes
 safelist
 safelisted

jest.config.base.js

@@ -1,6 +1,6 @@
-const { defaults } = require('jest-config');
+import { defaults } from 'jest-config';
 
-module.exports = {
+export default {
   testEnvironment: 'node',
   setupFilesAfterEnv: ['<rootDir>/../../jest.setup.js'],
   preset: 'ts-jest',
@@ -9,10 +9,16 @@ module.exports = {
   testPathIgnorePatterns: ['/node_modules/', '/dist/'],
   moduleFileExtensions: [...defaults.moduleFileExtensions, 'ts', 'tsx'],
   clearMocks: true,
+  extensionsToTreatAsEsm: ['.ts'],
   globals: {
     'ts-jest': {
+      useESM: true,
       tsconfig: '<rootDir>/src/__tests__/tsconfig.json',
       diagnostics: false,
     },
   },
+  moduleNameMapper: {
+    // Ignore '.js' at the end of imports; part of ESM support.
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
 };