feat(expo): add support for expo projects

Author: tompsota

app.plugin.js

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

package.json

@@ -67,10 +67,12 @@
     "@release-it/conventional-changelog": "^5.0.0",
     "@types/react": "17.0.21",
     "@types/react-native": "0.70.0",
+    "@tsconfig/node-lts": "^20.1.1",
     "del-cli": "^5.0.0",
     "eslint": "^8.4.1",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
+    "expo": "^50.0.8",
     "pod-install": "^0.1.0",
     "prettier": "^2.0.5",
     "react": "18.1.0",
@@ -83,8 +85,14 @@
     "@types/react": "17.0.21"
   },
   "peerDependencies": {
-    "react": "^18.1.0",
-    "react-native": "*"
+    "react": "*",
+    "react-native": "*",
+    "expo": ">=47.0.0"
+  },
+  "peerDependenciesMeta": {
+    "expo": {
+      "optional": true
+    }
   },
   "engines": {
     "node": ">= 16.0.0"
@@ -110,7 +118,7 @@
     },
     "plugins": {
       "@release-it/conventional-changelog": {
-        "preset": "angular"
+        "preset": "react"
       }
     }
   },

plugin/src/index.ts

@@ -0,0 +1,79 @@
+import {
+  AndroidConfig,
+  ConfigPlugin,
+  WarningAggregator,
+  createRunOncePlugin,
+  withProjectBuildGradle,
+} from '@expo/config-plugins';
+
+import { PluginConfigType } from './pluginConfig';
+
+const { createBuildGradlePropsConfigPlugin } = AndroidConfig.BuildProperties;
+
+const urlNexus =
+  'https://nexus3-public.monetplus.cz/repository/ahead-talsec-free-rasp';
+const urlJitpack = 'https://www.jitpack.io';
+
+export const setBuildscriptDependency = (buildGradle: string) => {
+  // This enables users in bare workflow to comment out the line to prevent freerasp from adding it back.
+
+  const mavenNexus = buildGradle.includes(urlNexus)
+    ? ''
+    : `maven { url "${urlNexus}" }`;
+  const mavenJitpack = buildGradle.includes(urlNexus)
+    ? ''
+    : `maven { url "${urlJitpack}" }`;
+
+  // It's ok to have multiple allprojects.repositories, so we create a new one since it's cheaper than tokenizing
+  // the existing block to find the correct place to insert our dependency.
+  const combinedGradleMaven = `
+    allprojects {
+      repositories {
+        ${mavenNexus}
+        ${mavenJitpack}
+      }
+    }
+  `;
+
+  return buildGradle + `\n${combinedGradleMaven}\n`;
+};
+
+/**
+ * Update `<project>/build.gradle` by adding nexus dependency to buildscript
+ */
+export const withBuildscriptDependency: ConfigPlugin = (config) => {
+  return withProjectBuildGradle(config, (config) => {
+    if (config.modResults.language === 'groovy') {
+      config.modResults.contents = setBuildscriptDependency(
+        config.modResults.contents
+      );
+    } else {
+      WarningAggregator.addWarningAndroid(
+        'freerasp-react-native',
+        `Cannot automatically configure project build.gradle, because it's not groovy`
+      );
+    }
+    return config;
+  });
+};
+
+export const withAndroidMinSdkVersion =
+  createBuildGradlePropsConfigPlugin<PluginConfigType>(
+    [
+      {
+        propName: 'android.minSdkVersion',
+        propValueGetter: (config) => config.android?.minSdkVersion?.toString(),
+      },
+    ],
+    'withAndroidMinSdkVersion'
+  );
+
+const withRnTalsecApp: ConfigPlugin<PluginConfigType> = (config, props) => {
+  config = withBuildscriptDependency(config);
+  config = withAndroidMinSdkVersion(config, props);
+  return config;
+};
+
+const pkg = require('freerasp-react-native/package.json');
+
+export default createRunOncePlugin(withRnTalsecApp, pkg.name, pkg.version);

plugin/src/pluginConfig.ts

@@ -0,0 +1,21 @@
+/**
+ * Interface representing base build properties configuration.
+ */
+export interface PluginConfigType {
+  /**
+   * Interface representing available configuration for Android native build properties.
+   * @platform android
+   */
+  android?: PluginConfigTypeAndroid;
+}
+
+/**
+ * Interface representing available configuration for Android native build properties.
+ * @platform android
+ */
+export interface PluginConfigTypeAndroid {
+  /**
+   * Override the default `minSdkVersion` version number in **build.gradle**.
+   * */
+  minSdkVersion?: number;
+}

plugin/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@tsconfig/node-lts/tsconfig",
+  "compilerOptions": {
+    "outDir": "build",
+    "rootDir": "src",
+    "declaration": true
+  },
+  "include": ["./src"]
+}