feat: expo config plugin

.github/FUNDING.yml

@@ -1 +1 @@
-open_collective: react-native-iap
+buy_me_a_coffee: dooboolab

app.plugin.js

@@ -0,0 +1 @@
+module.exports = require('./plugin/build/withIAP');

example/app.json

@@ -7,14 +7,8 @@
     "icon": "./assets/icon.png",
     "userInterfaceStyle": "light",
     "plugins": [
-      [
-        "expo-build-properties",
-        {
-          "ios": {
-            "deploymentTarget": "15.0"
-          }
-        }
-      ]
+      ["expo-build-properties", {"ios": {"deploymentTarget": "15.0"}}],
+      ["../app.plugin.js"]
     ],
     "splash": {
       "image": "./assets/splash.png",
@@ -43,4 +37,4 @@
       "url": "https://u.expo.dev/db487b8b-afc5-4850-8f1b-006e97822308"
     }
   }
-}
+}

package.json

@@ -14,7 +14,10 @@
     "expo-module": "expo-module",
     "open:ios": "xed example/ios",
     "open:android": "open -a \"Android Studio\" example/android",
-    "lint:kotlin": "ktlint --format ./android"
+    "lint:kotlin": "ktlint --format ./android",
+    "build:plugin": "tsc --build plugin",
+    "clean:plugin": "expo-module clean plugin",
+    "lint:plugin": "eslint plugin/src/*"
   },
   "keywords": [
     "react-native",

plugin/__tests__/fixtures/buildGradleFiles.ts

@@ -0,0 +1,164 @@
+const appBuildGradleWithoutIAP = `
+apply plugin: "com.android.application"
+
+import com.android.build.OutputFile
+
+def reactNativeArchitectures() {
+    def value = project.getProperties().get("reactNativeArchitectures")
+    return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
+
+android {
+    ndkVersion rootProject.ext.ndkVersion
+
+    compileSdkVersion rootProject.ext.compileSdkVersion
+
+    defaultConfig {
+        applicationId 'com.test.withIAP'
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 34
+        versionName "1.16.2"
+        buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()`;
+
+const appBuildGradleWithPlayStoreIAP = `
+apply plugin: "com.android.application"
+
+import com.android.build.OutputFile
+
+def reactNativeArchitectures() {
+    def value = project.getProperties().get("reactNativeArchitectures")
+    return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
+
+android {
+    ndkVersion rootProject.ext.ndkVersion
+
+    compileSdkVersion rootProject.ext.compileSdkVersion
+
+    defaultConfig {
+missingDimensionStrategy "store", "play"
+        applicationId 'com.test.withIAP'
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 34
+        versionName "1.16.2"
+        buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()`;
+
+const appBuildGradleWithAmazonStoreIAP = `
+apply plugin: "com.android.application"
+
+import com.android.build.OutputFile
+
+def reactNativeArchitectures() {
+    def value = project.getProperties().get("reactNativeArchitectures")
+    return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
+
+android {
+    ndkVersion rootProject.ext.ndkVersion
+
+    compileSdkVersion rootProject.ext.compileSdkVersion
+
+    defaultConfig {
+missingDimensionStrategy "store", "amazon"
+        applicationId 'com.test.withIAP'
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 34
+        versionName "1.16.2"
+        buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()`;
+
+const appBuildGradleWithBothIAP = `
+apply plugin: "com.android.application"
+
+import com.android.build.OutputFile
+
+def reactNativeArchitectures() {
+    def value = project.getProperties().get("reactNativeArchitectures")
+    return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
+}
+
+android {
+    ndkVersion rootProject.ext.ndkVersion
+
+    compileSdkVersion rootProject.ext.compileSdkVersion
+flavorDimensions "appstore"
+
+productFlavors {
+  googlePlay {
+    dimension "appstore"
+    missingDimensionStrategy "store", "play"
+  }
+
+  amazon {
+    dimension "appstore"
+    missingDimensionStrategy "store", "amazon"
+  }
+}
+
+    defaultConfig {
+        applicationId 'com.test.withIAP'
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 34
+        versionName "1.16.2"
+        buildConfigField "boolean", "IS_NEW_ARCHITECTURE_ENABLED", isNewArchitectureEnabled().toString()`;
+
+const projectBuildGradleWithoutIAP = `
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext {
+        buildToolsVersion = findProperty('android.buildToolsVersion') ?: '31.0.0'
+        minSdkVersion = Integer.parseInt(findProperty('android.minSdkVersion') ?: '21')
+        compileSdkVersion = Integer.parseInt(findProperty('android.compileSdkVersion') ?: '31')
+        targetSdkVersion = Integer.parseInt(findProperty('android.targetSdkVersion') ?: '31')
+        if (findProperty('android.kotlinVersion')) {
+            kotlinVersion = findProperty('android.kotlinVersion')
+        }
+        frescoVersion = findProperty('expo.frescoVersion') ?: '2.5.0'
+
+        if (System.properties['os.arch'] == 'aarch64') {
+            // For M1 Users we need to use the NDK 24 which added support for aarch64
+            ndkVersion = '24.0.8215888'
+        } else {
+            // Otherwise we default to the side-by-side NDK version from AGP.
+            ndkVersion = '21.4.7075529'
+        }
+    }
+  }`;
+
+const projectBuildGradleWithIAP = `
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext {
+supportLibVersion = "28.0.0"
+        buildToolsVersion = findProperty('android.buildToolsVersion') ?: '31.0.0'
+        minSdkVersion = Integer.parseInt(findProperty('android.minSdkVersion') ?: '21')
+        compileSdkVersion = Integer.parseInt(findProperty('android.compileSdkVersion') ?: '31')
+        targetSdkVersion = Integer.parseInt(findProperty('android.targetSdkVersion') ?: '31')
+        if (findProperty('android.kotlinVersion')) {
+            kotlinVersion = findProperty('android.kotlinVersion')
+        }
+        frescoVersion = findProperty('expo.frescoVersion') ?: '2.5.0'
+
+        if (System.properties['os.arch'] == 'aarch64') {
+            // For M1 Users we need to use the NDK 24 which added support for aarch64
+            ndkVersion = '24.0.8215888'
+        } else {
+            // Otherwise we default to the side-by-side NDK version from AGP.
+            ndkVersion = '21.4.7075529'
+        }
+    }
+  }`;
+
+export {
+  appBuildGradleWithAmazonStoreIAP,
+  appBuildGradleWithBothIAP,
+  appBuildGradleWithoutIAP,
+  appBuildGradleWithPlayStoreIAP,
+  projectBuildGradleWithIAP,
+  projectBuildGradleWithoutIAP,
+};

plugin/__tests__/withIAP-test.ts

@@ -0,0 +1,56 @@
+import {modifyAppBuildGradle, modifyProjectBuildGradle} from '../src/withIAP';
+
+import {
+  appBuildGradleWithAmazonStoreIAP,
+  appBuildGradleWithBothIAP,
+  appBuildGradleWithoutIAP,
+  appBuildGradleWithPlayStoreIAP,
+  projectBuildGradleWithIAP,
+  projectBuildGradleWithoutIAP,
+} from './fixtures/buildGradleFiles';
+
+jest.mock('expo/config-plugins', () => {
+  const plugins = jest.requireActual('expo/config-plugins');
+
+  return {
+    ...plugins,
+    WarningAggregator: {addWarningAndroid: jest.fn()},
+  };
+});
+
+describe('Configures Android native project correctly', () => {
+  it(`Add supportLibVersion to android/build.gradle if it is not present`, () => {
+    expect(modifyProjectBuildGradle(projectBuildGradleWithoutIAP)).toMatch(
+      projectBuildGradleWithIAP,
+    );
+  });
+
+  it(`Add play store missingDimenstionStrategy to android/app/build.gradle if is not present`, () => {
+    expect(
+      modifyAppBuildGradle(appBuildGradleWithoutIAP, 'Play Store'),
+    ).toMatch(appBuildGradleWithPlayStoreIAP);
+  });
+
+  it(`Add amazon store missingDimenstionStrategy to android/app/build.gradle if is not present`, () => {
+    expect(
+      modifyAppBuildGradle(appBuildGradleWithoutIAP, 'Amazon AppStore'),
+    ).toMatch(appBuildGradleWithAmazonStoreIAP);
+  });
+
+  it(`Add play store and amazon payment providers to android/app/build.gradle if is not present`, () => {
+    expect(modifyAppBuildGradle(appBuildGradleWithoutIAP, 'both')).toMatch(
+      appBuildGradleWithBothIAP,
+    );
+  });
+  it(`Doesn't modify android/build.gradle if supportLibVersion already configured`, () => {
+    expect(modifyProjectBuildGradle(projectBuildGradleWithIAP)).toMatch(
+      projectBuildGradleWithIAP,
+    );
+  });
+
+  it(`Doesn't modify android/app/build.gradle if missingDimensionStrategy already configured`, () => {
+    expect(
+      modifyAppBuildGradle(appBuildGradleWithPlayStoreIAP, 'Play Store'),
+    ).toMatch(appBuildGradleWithPlayStoreIAP);
+  });
+});

plugin/jest.config.js

@@ -0,0 +1,5 @@
+// In documentation there is `preset: expo-module-scripts`, but it runs tests for every platform (ios, android, web, node)
+// We need only node tests right now
+module.exports = {
+  preset: 'jest-expo/node',
+};