fix: conditional binding (#23)

.github/workflows/lint.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Use Node.js 14.x
       uses: actions/setup-node@v1
       with:
-        version: 14.x
+        node-version: 14.x
     - name: Lint
       run: |
         npm install

.github/workflows/test.yml

@@ -10,14 +10,17 @@ on:
 
 jobs:
   build:
-    runs-on: macOS-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
     steps:
     - uses: actions/checkout@master
     - name: Use Node.js 14.x
       uses: actions/setup-node@v1
       with:
-        version: 14.x
-    - name: npm install, build, and test
+        node-version: 14.x
+    - name: npm install, build, and test (${{ matrix.os }})
       run: |
         npm install
         npm test

README.md

@@ -22,6 +22,8 @@ This native Node.js module allows you to manage an app's access to:
 * Speech Recognition
 * Protected Folders
 
+Note: Always will return `undefined` when imported on a non-Mac platform
+
 If you need to ask for permissions, your app must be allowed to ask for permission :
 
 * for a Nodejs script/app, you can use a terminal app such as [iTerm2](https://iterm2.com/) (it won't work on macOS Terminal.app)

index.js

@@ -1,4 +1,22 @@
-const permissions = require('bindings')('permissions.node')
+const nonMacResponse = () => undefined
+const stub = {
+  askForCalendarAccess: nonMacResponse,
+  askForContactsAccess: nonMacResponse,
+  askForFoldersAccess: nonMacResponse,
+  askForFullDiskAccess: nonMacResponse,
+  askForRemindersAccess: nonMacResponse,
+  askForCameraAccess: nonMacResponse,
+  askForMicrophoneAccess: nonMacResponse,
+  askForMusicLibraryAccess: nonMacResponse,
+  askForPhotosAccess: nonMacResponse,
+  askForSpeechRecognitionAccess: nonMacResponse,
+  askForScreenCaptureAccess: nonMacResponse,
+  askForAccessibilityAccess: nonMacResponse,
+  getAuthStatus: nonMacResponse,
+}
+
+const { platform } = require('os')
+const permissions = platform() === 'darwin' ? require('bindings')('permissions.node') : stub
 
 function getAuthStatus(type) {
   const validTypes = [
@@ -35,17 +53,7 @@ function askForFoldersAccess(folder) {
 }
 
 module.exports = {
-  askForCalendarAccess: permissions.askForCalendarAccess,
-  askForContactsAccess: permissions.askForContactsAccess,
+  ...permissions,
   askForFoldersAccess,
-  askForFullDiskAccess: permissions.askForFullDiskAccess,
-  askForRemindersAccess: permissions.askForRemindersAccess,
-  askForCameraAccess: permissions.askForCameraAccess,
-  askForMicrophoneAccess: permissions.askForMicrophoneAccess,
-  askForMusicLibraryAccess: permissions.askForMusicLibraryAccess,
-  askForPhotosAccess: permissions.askForPhotosAccess,
-  askForSpeechRecognitionAccess: permissions.askForSpeechRecognitionAccess,
-  askForScreenCaptureAccess: permissions.askForScreenCaptureAccess,
-  askForAccessibilityAccess: permissions.askForAccessibilityAccess,
   getAuthStatus,
 }

package.json

@@ -7,8 +7,8 @@
   "scripts": {
     "build": "node-gyp rebuild",
     "clean": "node-gyp clean",
-    "lint": "prettier --check index.js",
-    "format": "clang-format -i permissions.mm && prettier --write index.js",
+    "lint": "prettier --check index.js test/module.spec.js",
+    "format": "clang-format -i permissions.mm && prettier --write index.js test/module.spec.js",
     "test": "./node_modules/.bin/mocha --reporter spec"
   },
   "repository": {

test/module.spec.js

@@ -1,15 +1,20 @@
 const { expect } = require('chai')
-const { askForFoldersAccess, getAuthStatus } = require('../index')
+const permissions = require('../index')
+
+const { platform } = require('os')
+const isMac = platform() === 'darwin'
+it.ifMac = isMac ? it : it.skip
+it.ifNotMac = isMac ? it.skip : it
 
 describe('node-mac-permissions', () => {
   describe('getAuthStatus()', () => {
     it('should throw on invalid types', () => {
       expect(() => {
-        getAuthStatus('bad-type')
+        permissions.getAuthStatus('bad-type')
       }).to.throw(/bad-type is not a valid type/)
     })
 
-    it('should return a string', () => {
+    it.ifMac('should return a string', () => {
       const types = [
         'contacts',
         'calendar',
@@ -27,7 +32,7 @@ describe('node-mac-permissions', () => {
 
       const statuses = ['not determined', 'denied', 'authorized', 'restricted']
       for (const type of types) {
-        const status = getAuthStatus(type)
+        const status = permissions.getAuthStatus(type)
         expect(statuses).to.contain(status)
       }
     })
@@ -36,8 +41,34 @@ describe('node-mac-permissions', () => {
   describe('askForFoldersAccess()', () => {
     it('should throw on invalid types', () => {
       expect(() => {
-        askForFoldersAccess('bad-type')
+        permissions.askForFoldersAccess('bad-type')
       }).to.throw(/bad-type is not a valid protected folder/)
     })
   })
+
+  describe('conditional binding', () => {
+    it.ifNotMac('always return undefined for non-mac OS', async () => {
+      const asyncModuleExports = [
+        'askForCalendarAccess',
+        'askForContactsAccess',
+        'askForFullDiskAccess',
+        'askForRemindersAccess',
+        'askForCameraAccess',
+        'askForMicrophoneAccess',
+        'askForPhotosAccess',
+        'askForSpeechRecognitionAccess',
+        'askForScreenCaptureAccess',
+        'askForAccessibilityAccess',
+        'askForMusicLibraryAccess'
+      ]
+
+      for (const func of asyncModuleExports) {
+        const auth = await permissions[func]()
+        expect(auth).to.be.undefined
+      }
+
+      expect(permissions.getAuthStatus('contacts')).to.be.undefined
+      expect(permissions.askForFoldersAccess('desktop')).to.be.undefined
+    })
+  })
 })