From 131992cb1f7693da1d2df2ddbe018ff6afc18f1e Mon Sep 17 00:00:00 2001
From: Nik Graf <nik@nikgraf.com>
Date: Sun, 1 Oct 2023 07:25:09 +0200
Subject: [PATCH] fix: find node_modules path

---
 android/CMakeLists.txt |  8 ++++----
 android/build.gradle   | 20 +++++++++++++++++++-
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/android/CMakeLists.txt b/android/CMakeLists.txt
index dd4e4f4..f934106 100644
--- a/android/CMakeLists.txt
+++ b/android/CMakeLists.txt
@@ -6,9 +6,9 @@ set (CMAKE_CXX_STANDARD 11)
 # add directories to "include" search paths
 include_directories(
             ../cpp
-            ../../../node_modules/react-native/React
-            ../../../node_modules/react-native/React/Base
-            ../../../node_modules/react-native/ReactCommon/jsi
+            "${NODE_MODULES_DIR}/node_modules/react-native/React"
+            "${NODE_MODULES_DIR}/node_modules/react-native/React/Base"
+            "${NODE_MODULES_DIR}/node_modules/react-native/ReactCommon/jsi"
 )
 
 # set the base libsodium build directory
@@ -33,7 +33,7 @@ set_target_properties( sodium PROPERTIES IMPORTED_LOCATION ${LIBSODIUM_BUILD_DIR
 # which will be built from the listed source files
 add_library(libsodium
   SHARED
-  ../../../node_modules/react-native/ReactCommon/jsi/jsi/jsi.cpp
+  "${NODE_MODULES_DIR}/node_modules/react-native/ReactCommon/jsi/jsi/jsi.cpp"
   ../cpp/react-native-libsodium.cpp
   ../cpp/react-native-libsodium.h
   cpp-adapter.cpp
diff --git a/android/build.gradle b/android/build.gradle
index 3dbc737..49282df 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,3 +1,5 @@
+import java.nio.file.Paths
+
 buildscript {
   repositories {
     google()
@@ -30,6 +32,21 @@ def getExtOrIntegerDefault(name) {
   return rootProject.ext.has(name) ? rootProject.ext.get(name) : (project.properties["Libsodium_" + name]).toInteger()
 }
 
+static def findNodeModules(baseDir) {
+  def basePath = baseDir.toPath().normalize()
+  while (basePath) {
+    def nodeModulesPath = Paths.get(basePath.toString(), "node_modules")
+    def reactNativePath = Paths.get(nodeModulesPath.toString(), "react-native")
+    if (nodeModulesPath.toFile().exists() && reactNativePath.toFile().exists()) {
+      return nodeModulesPath.toString()
+    }
+    basePath = basePath.getParent()
+  }
+  throw new GradleException("react-native-libsodium: Failed to find node_modules path")
+}
+
+def nodeModules = findNodeModules(projectDir)
+
 android {
   ndkVersion getExtOrDefault("ndkVersion")
   compileSdkVersion getExtOrIntegerDefault("compileSdkVersion")
@@ -48,7 +65,8 @@ android {
         // exceptions (and other STL types) across shared object boundaries work
         // correctly.
         // see https://developer.android.com/ndk/guides/cpp-support#selecting_a_c_runtime
-        arguments "-DANDROID_STL=c++_shared"
+        arguments "-DANDROID_STL=c++_shared",
+                  "-DNODE_MODULES_DIR=${nodeModules}"
       }
     }
   }