Fix build config

Add lib folder tests

rollup.config.js

@@ -18,12 +18,6 @@ export default [
         sourcemap: true,
       },
     ],
-    external: [
-      'chrome-promise',
-      '@bumble/chrome-rxjs',
-      'rxjs',
-      'rxjs/operators',
-    ],
     plugins: [
       typescript({
         tsconfig: './tsconfig.base.json',

tests/demo-cjs.test.js

@@ -0,0 +1,103 @@
+const { chrome } = require('../lib/index.cjs')
+
+test('chrome api events', () => {
+  const listenerSpy = jest.fn()
+  const sendResponseSpy = jest.fn()
+
+  chrome.runtime.onMessage.addListener(listenerSpy)
+
+  expect(listenerSpy).not.toBeCalled()
+  expect(chrome.runtime.onMessage.hasListeners()).toBe(true)
+
+  chrome.runtime.onMessage.callListeners(
+    { greeting: 'hello' }, // message
+    {}, // MessageSender object
+    sendResponseSpy, // SendResponse function
+  )
+
+  expect(listenerSpy).toBeCalledWith(
+    { greeting: 'hello' },
+    {},
+    sendResponseSpy,
+  )
+  expect(sendResponseSpy).not.toBeCalled()
+})
+
+test('chrome api functions', () => {
+  const manifest = {
+    name: 'my chrome extension',
+    manifest_version: 2,
+    version: '1.0.0',
+  }
+
+  chrome.runtime.getManifest.mockImplementation(
+    () => manifest,
+  )
+
+  expect(chrome.runtime.getManifest()).toEqual(manifest)
+  expect(chrome.runtime.getManifest).toBeCalled()
+})
+
+test('chrome api functions with callback', () => {
+  const message = { greeting: 'hello?' }
+  const response = { greeting: 'here I am' }
+  const callbackSpy = jest.fn()
+
+  chrome.runtime.sendMessage.mockImplementation(
+    (message, callback) => {
+      callback(response)
+    },
+  )
+
+  chrome.runtime.sendMessage(message, callbackSpy)
+
+  expect(chrome.runtime.sendMessage).toBeCalledWith(
+    message,
+    callbackSpy,
+  )
+  expect(callbackSpy).toBeCalledWith(response)
+})
+
+test('chrome api functions with lastError', () => {
+  const message = { greeting: 'hello?' }
+  const response = { greeting: 'here I am' }
+
+  // lastError setup
+  const lastErrorMessage = 'this is an error'
+  const lastErrorGetter = jest.fn(() => lastErrorMessage)
+  const lastError = {
+    get message() {
+      return lastErrorGetter()
+    },
+  }
+
+  // mock implementation
+  chrome.runtime.sendMessage.mockImplementation(
+    (message, callback) => {
+      chrome.runtime.lastError = lastError
+
+      callback(response)
+
+      // lastError is undefined outside of a callback
+      delete chrome.runtime.lastError
+    },
+  )
+
+  // callback implementation
+  const lastErrorSpy = jest.fn()
+  const callbackSpy = jest.fn(() => {
+    if (chrome.runtime.lastError) {
+      lastErrorSpy(chrome.runtime.lastError.message)
+    }
+  })
+
+  // send a message
+  chrome.runtime.sendMessage(message, callbackSpy)
+
+  expect(callbackSpy).toBeCalledWith(response)
+  expect(lastErrorGetter).toBeCalled()
+  expect(lastErrorSpy).toBeCalledWith(lastErrorMessage)
+
+  // lastError has been cleared
+  expect(chrome.runtime.lastError).toBeUndefined()
+})

tests/demo-esm.test.js

@@ -0,0 +1,101 @@
+import { chrome } from '../lib/index.esm'
+
+test('chrome api events', () => {
+  const listenerSpy = jest.fn()
+  const sendResponseSpy = jest.fn()
+
+  chrome.runtime.onMessage.addListener(listenerSpy)
+
+  expect(listenerSpy).not.toBeCalled()
+  expect(chrome.runtime.onMessage.hasListeners()).toBe(true)
+
+  chrome.runtime.onMessage.callListeners(
+    { greeting: 'hello' }, // message
+    {}, // MessageSender object
+    sendResponseSpy, // SendResponse function
+  )
+
+  expect(listenerSpy).toBeCalledWith(
+    { greeting: 'hello' },
+    {},
+    sendResponseSpy,
+  )
+  expect(sendResponseSpy).not.toBeCalled()
+})
+
+test('chrome api functions', () => {
+  const manifest = {
+    name: 'my chrome extension',
+    manifest_version: 2,
+    version: '1.0.0',
+  }
+
+  chrome.runtime.getManifest.mockImplementation(() => manifest)
+
+  expect(chrome.runtime.getManifest()).toEqual(manifest)
+  expect(chrome.runtime.getManifest).toBeCalled()
+})
+
+test('chrome api functions with callback', () => {
+  const message = { greeting: 'hello?' }
+  const response = { greeting: 'here I am' }
+  const callbackSpy = jest.fn()
+
+  chrome.runtime.sendMessage.mockImplementation(
+    (message, callback) => {
+      callback(response)
+    },
+  )
+
+  chrome.runtime.sendMessage(message, callbackSpy)
+
+  expect(chrome.runtime.sendMessage).toBeCalledWith(
+    message,
+    callbackSpy,
+  )
+  expect(callbackSpy).toBeCalledWith(response)
+})
+
+test('chrome api functions with lastError', () => {
+  const message = { greeting: 'hello?' }
+  const response = { greeting: 'here I am' }
+
+  // lastError setup
+  const lastErrorMessage = 'this is an error'
+  const lastErrorGetter = jest.fn(() => lastErrorMessage)
+  const lastError = {
+    get message() {
+      return lastErrorGetter()
+    },
+  }
+
+  // mock implementation
+  chrome.runtime.sendMessage.mockImplementation(
+    (message, callback) => {
+      chrome.runtime.lastError = lastError
+
+      callback(response)
+
+      // lastError is undefined outside of a callback
+      delete chrome.runtime.lastError
+    },
+  )
+
+  // callback implementation
+  const lastErrorSpy = jest.fn()
+  const callbackSpy = jest.fn(() => {
+    if (chrome.runtime.lastError) {
+      lastErrorSpy(chrome.runtime.lastError.message)
+    }
+  })
+
+  // send a message
+  chrome.runtime.sendMessage(message, callbackSpy)
+
+  expect(callbackSpy).toBeCalledWith(response)
+  expect(lastErrorGetter).toBeCalled()
+  expect(lastErrorSpy).toBeCalledWith(lastErrorMessage)
+
+  // lastError has been cleared
+  expect(chrome.runtime.lastError).toBeUndefined()
+})

tsconfig.base.json

@@ -1,19 +1,19 @@
 {
   "compilerOptions": {
-    "allowJs": true,
     "allowSyntheticDefaultImports": true,
     "esModuleInterop": true,
     "lib": ["es2017", "dom", "esnext.array"],
-    "module": "CommonJS",
+    "module": "ES2015",
     "moduleResolution": "node",
     "noImplicitReturns": true,
     "noUnusedLocals": true,
     "resolveJsonModule": true,
+    "skipLibCheck": true,
     "sourceMap": true,
     "strict": true,
     "target": "es2017"
   },
-  "exclude": ["lib", "playground"],
+  "exclude": ["lib", "playground", "tests"],
   "typeAcquisition": {
     "enable": true
   }