disable expo autolink if sdk < 50

scripts/check-expo-version.js

@@ -0,0 +1,85 @@
+const fs = require('fs');
+const path = require('path');
+
+const projectRoot = path.resolve(__dirname, '..'); // react-native-update module root
+const expoConfigPath = path.resolve(projectRoot, 'expo-module.config.json');
+
+function getExpoMajorVersion() {
+  let resolvedExpoPackagePath;
+  try {
+    // Use require.resolve to find expo's package.json from the host project's perspective
+    resolvedExpoPackagePath = require.resolve('expo/package.json', {
+      paths: [path.resolve(projectRoot, '..', '..')],
+    });
+  } catch (e) {
+    console.log(
+      'Expo not found in project node_modules (via require.resolve).',
+    );
+    return null; // Expo not found or resolvable
+  }
+
+  // Check if the resolved path actually exists (belt-and-suspenders)
+  if (!fs.existsSync(resolvedExpoPackagePath)) {
+    console.log(
+      `Expo package.json path resolved to ${resolvedExpoPackagePath}, but file does not exist.`,
+    );
+    return null;
+  }
+
+  try {
+    const packageJson = JSON.parse(
+      fs.readFileSync(resolvedExpoPackagePath, 'utf8'),
+    );
+    const version = packageJson.version;
+    if (!version) {
+      console.log('Expo package.json does not contain a version.');
+      return null; // Version not found
+    }
+
+    // Extract the first number sequence as the major version
+    const match = version.match(/\d+/);
+    if (!match) {
+      console.log(
+        `Could not parse major version from Expo version string: ${version}`,
+      );
+      return null; // Cannot parse version
+    }
+
+    return parseInt(match[0], 10);
+  } catch (error) {
+    console.error('Error reading or parsing Expo package.json:', error);
+    return null; // Error during processing
+  }
+}
+
+function checkAndCleanExpoConfig() {
+  const majorVersion = getExpoMajorVersion();
+
+  // Condition: Expo not found OR major version is less than 50
+  if (majorVersion === null || majorVersion < 50) {
+    if (fs.existsSync(expoConfigPath)) {
+      try {
+        fs.unlinkSync(expoConfigPath);
+        console.log(
+          `Expo version (${
+            majorVersion !== null ? majorVersion : 'not found'
+          }) is < 50 or Expo not found. Deleted ${expoConfigPath}`,
+        );
+      } catch (error) {
+        console.error(`Failed to delete ${expoConfigPath}:`, error);
+      }
+    } else {
+      console.log(
+        `Expo version (${
+          majorVersion !== null ? majorVersion : 'not found'
+        }) is < 50 or Expo not found. ${expoConfigPath} does not exist, no action needed.`,
+      );
+    }
+  } else {
+    console.log(
+      `Expo version (${majorVersion}) is >= 50. Kept ${expoConfigPath}`,
+    );
+  }
+}
+
+checkAndCleanExpoConfig();