refactor: migrate app.config and Expo config plugins to TypeScript (#1718)

plugins/withGradleProperties.ts

@@ -0,0 +1,51 @@
+import type { ExpoConfig } from "expo/config";
+import {
+  AndroidConfig,
+  type ConfigPlugin,
+  withGradleProperties,
+} from "expo/config-plugins";
+
+function setGradlePropertiesValue(
+  config: ExpoConfig,
+  key: string,
+  value: string,
+): ExpoConfig {
+  return withGradleProperties(config, (exportedConfig) => {
+    const props = exportedConfig.modResults;
+    const keyIdx = props.findIndex(
+      (item) => item.type === "property" && item.key === key,
+    );
+    const property: AndroidConfig.Properties.PropertiesItem = {
+      type: "property",
+      key,
+      value,
+    };
+
+    if (keyIdx >= 0) {
+      props.splice(keyIdx, 1, property);
+    } else {
+      props.push(property);
+    }
+
+    return exportedConfig;
+  });
+}
+
+const withCustomGradleProperties: ConfigPlugin = (config) => {
+  // Expo 52 is not setting this
+  // https://github.com/expo/expo/issues/32558
+  config = setGradlePropertiesValue(config, "android.enableJetifier", "true");
+
+  // NDK version required by libmpv 1.0.0
+  config = setGradlePropertiesValue(config, "ndkVersion", "29.0.14206865");
+
+  // Increase memory
+  config = setGradlePropertiesValue(
+    config,
+    "org.gradle.jvmargs",
+    "-Xmx4096m -XX:MaxMetaspaceSize=1024m",
+  );
+  return config;
+};
+
+export default withCustomGradleProperties;