Files
self/packages/mobile-sdk-demo/metro.config.cjs
2025-10-17 00:11:30 +02:00

264 lines
10 KiB
JavaScript

// SPDX-FileCopyrightText: 2025 Social Connect Labs, Inc.
// SPDX-License-Identifier: BUSL-1.1
// NOTE: Converts to Apache-2.0 on 2029-06-11 per LICENSE.
const { getDefaultConfig, mergeConfig } = require('@react-native/metro-config');
const path = require('node:path');
const findYarnWorkspaceRoot = require('find-yarn-workspace-root');
const defaultConfig = getDefaultConfig(__dirname);
const { assetExts, sourceExts } = defaultConfig.resolver;
const projectRoot = __dirname;
const workspaceRoot = findYarnWorkspaceRoot(__dirname) || path.resolve(__dirname, '../..');
/**
* Modern Metro configuration for demo app using native workspace capabilities
* Based on the working main app configuration
* @type {import('metro-config').MetroConfig}
*/
const config = {
projectRoot,
watchFolders: [
workspaceRoot, // Watch entire workspace root
path.resolve(workspaceRoot, 'common'),
path.resolve(workspaceRoot, 'packages/mobile-sdk-alpha'),
path.resolve(projectRoot, 'node_modules'), // Watch app's node_modules for custom resolved modules
],
transformer: {
babelTransformerPath: require.resolve('react-native-svg-transformer'),
getTransformOptions: async () => ({
transform: {
experimentalImportSupport: false,
inlineRequires: true,
},
}),
},
resolver: {
// Prevent Haste module naming collisions from duplicate package.json files
blockList: [
// Ignore built package.json files to prevent Haste collisions
/.*\/dist\/package\.json$/,
/.*\/dist\/esm\/package\.json$/,
/.*\/dist\/cjs\/package\.json$/,
/.*\/build\/package\.json$/,
// Prevent duplicate React/React Native - block workspace root versions and use app's versions
new RegExp(`^${workspaceRoot.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}/node_modules/react(/|$)`),
new RegExp(`^${workspaceRoot.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}/node_modules/react-dom(/|$)`),
new RegExp(`^${workspaceRoot.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}/node_modules/react-native(/|$)`),
new RegExp(`^${workspaceRoot.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}/node_modules/scheduler(/|$)`),
new RegExp('packages/mobile-sdk-alpha/node_modules/react(/|$)'),
new RegExp('packages/mobile-sdk-alpha/node_modules/react-dom(/|$)'),
new RegExp('packages/mobile-sdk-alpha/node_modules/react-native(/|$)'),
new RegExp('packages/mobile-sdk-alpha/node_modules/scheduler(/|$)'),
// Block the main app's node_modules to avoid collisions
new RegExp('app/node_modules/react(/|$)'),
new RegExp('app/node_modules/react-dom(/|$)'),
new RegExp('app/node_modules/react-native(/|$)'),
new RegExp('app/node_modules/scheduler(/|$)'),
],
// Enable workspace-aware resolution
enableGlobalPackages: true,
unstable_enablePackageExports: true,
// Prefer React Native-specific exports when available to avoid Node-only deps
unstable_conditionNames: ['react-native', 'import', 'require'],
unstable_enableSymlinks: true,
nodeModulesPaths: [path.resolve(projectRoot, 'node_modules'), path.resolve(workspaceRoot, 'node_modules')],
// SVG support
assetExts: assetExts.filter(ext => ext !== 'svg'),
sourceExts: [...sourceExts, 'svg'],
extraNodeModules: {
// Add workspace packages for proper resolution
'@selfxyz/common': path.resolve(workspaceRoot, 'common'),
'@selfxyz/mobile-sdk-alpha': path.resolve(workspaceRoot, 'packages/mobile-sdk-alpha'),
// Crypto polyfills - use custom polyfill with @noble/hashes
crypto: path.resolve(__dirname, 'src/polyfills/cryptoPolyfill.js'),
stream: require.resolve('stream-browserify'),
buffer: require.resolve('buffer'),
util: require.resolve('util'),
assert: require.resolve('assert'),
constants: require.resolve('constants-browserify'),
},
// Prefer source files for @selfxyz/common so stack traces reference real filenames
resolveRequest: (context, moduleName, platform) => {
// Fix @noble/hashes subpath export resolution
if (moduleName.startsWith('@noble/hashes/')) {
try {
// Extract the subpath (e.g., 'crypto.js', 'sha256', 'hmac', 'lib/sha256.js')
let subpath = moduleName.replace('@noble/hashes/', '');
// Find the package root directory
const basePath = require.resolve('@noble/hashes');
let packageRoot = path.dirname(basePath);
// Traverse up to find package.json to get the real package root
while (packageRoot !== path.dirname(packageRoot)) {
const packageJsonPath = path.join(packageRoot, 'package.json');
const fs = require('fs');
if (fs.existsSync(packageJsonPath)) {
try {
const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, 'utf8'));
if (packageJson.name === '@noble/hashes') {
break;
}
} catch {
// Continue searching
}
}
packageRoot = path.dirname(packageRoot);
}
// Normalize the subpath - try multiple locations
const candidatePaths = [];
if (subpath.endsWith('.js')) {
// Try the path as-is
candidatePaths.push(path.join(packageRoot, subpath));
// If subpath contains 'lib/', also try without 'lib/'
if (subpath.startsWith('lib/')) {
candidatePaths.push(path.join(packageRoot, subpath.replace('lib/', '')));
}
} else {
// For imports without .js extension
candidatePaths.push(path.join(packageRoot, `${subpath}.js`));
candidatePaths.push(path.join(packageRoot, subpath, 'index.js'));
// Also try in lib directory
candidatePaths.push(path.join(packageRoot, 'lib', `${subpath}.js`));
}
// Guard against path traversal: normalize and ensure within packageRoot
const fs = require('fs');
const normalizedCandidates = candidatePaths
.map(p => path.resolve(p))
.filter(p => {
const relative = path.relative(packageRoot, p);
// keep only files strictly inside packageRoot
return relative !== '' && !relative.startsWith('..') && !path.isAbsolute(relative);
});
// Find the first existing file among safe candidates
for (const candidatePath of normalizedCandidates) {
if (fs.existsSync(candidatePath)) {
return {
type: 'sourceFile',
filePath: candidatePath,
};
}
}
// Fallback to main package if no candidate exists
return {
type: 'sourceFile',
filePath: require.resolve('@noble/hashes'),
};
} catch {
// Fallback to main package if subpath doesn't exist
return {
type: 'sourceFile',
filePath: require.resolve('@noble/hashes'),
};
}
}
// Fix snarkjs and ffjavascript platform exports for Android
if (platform === 'android') {
// Handle snarkjs and its nested dependencies that have platform export issues
if (
moduleName.includes('/snarkjs') &&
(moduleName.endsWith('/snarkjs') || moduleName.includes('/snarkjs/node_modules'))
) {
try {
// Try to resolve the main package file
const packagePath = moduleName.split('/node_modules/').pop();
const resolved = require.resolve(packagePath || 'snarkjs');
return {
type: 'sourceFile',
filePath: resolved,
};
} catch {
// Fallback to basic snarkjs resolution
try {
return {
type: 'sourceFile',
filePath: require.resolve('snarkjs'),
};
} catch {
// Continue to next check
}
}
}
// Handle ffjavascript from any nested location
if (moduleName.includes('/ffjavascript') && moduleName.endsWith('/ffjavascript')) {
try {
// Try to resolve ffjavascript from the specific nested location first
const resolved = require.resolve(moduleName);
return {
type: 'sourceFile',
filePath: resolved,
};
} catch {
// Fallback to resolving ffjavascript from the closest available location
try {
const resolved = require.resolve('ffjavascript');
return {
type: 'sourceFile',
filePath: resolved,
};
} catch {
// Continue to next check
}
}
}
// Handle direct package imports for known problematic packages
const platformProblematicPackages = ['snarkjs', 'ffjavascript'];
for (const pkg of platformProblematicPackages) {
if (moduleName === pkg || moduleName.startsWith(`${pkg}/`)) {
try {
return {
type: 'sourceFile',
filePath: require.resolve(pkg),
};
} catch {
// Continue to next check
continue;
}
}
}
}
// Handle problematic Node.js modules that don't work in React Native
const nodeModuleRedirects = {
crypto: path.resolve(__dirname, 'src/polyfills/cryptoPolyfill.js'),
fs: false, // Disable filesystem access
os: false, // Disable OS-specific modules
readline: false, // Disable readline (pulls in events)
'web-worker': false, // Disable web workers (not supported in React Native)
};
if (Object.prototype.hasOwnProperty.call(nodeModuleRedirects, moduleName)) {
if (nodeModuleRedirects[moduleName] === false) {
// Return empty module for disabled modules
return { type: 'empty' };
}
// Redirect to polyfill
return {
type: 'sourceFile',
filePath: nodeModuleRedirects[moduleName],
};
}
// Fallback to default Metro resolver
return context.resolveRequest(context, moduleName, platform);
},
},
};
module.exports = mergeConfig(defaultConfig, config);