B1Mobile/metro.config.js at main · ChurchApps/B1Mobile · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
const path = require('path');
const {
  getSentryExpoConfig
} = require("@sentry/react-native/metro");

const config = getSentryExpoConfig(__dirname);

// Performance optimizations for bundle splitting
config.resolver.extraNodeModules = {
  ...config.resolver.extraNodeModules,
  assert: path.resolve(__dirname, 'node_modules/assert/'),
  util: path.resolve(__dirname, 'node_modules/util/'),
};

config.resolver.platforms = [
  'native',
  'android',
  'ios',
  'web'
];

// Add path aliases for better imports
config.resolver.alias = {
  '@': path.resolve(__dirname, 'src'),
  '@components': path.resolve(__dirname, 'src/components'),
  '@helpers': path.resolve(__dirname, 'src/helpers'),
  '@stores': path.resolve(__dirname, 'src/stores'),
  '@theme': path.resolve(__dirname, 'src/theme'),
  '@config': path.resolve(__dirname, 'src/config'),
  // Enable tree shaking for vector icons - only keep used ones
  '@expo/vector-icons/MaterialCommunityIcons': '@expo/vector-icons/build/MaterialCommunityIcons',
  '@expo/vector-icons/MaterialIcons': '@expo/vector-icons/build/MaterialIcons',
};

// Optimize transformer for better performance
config.transformer = {
  ...config.transformer,
  minifierConfig: {
    mangle: {
      keep_fnames: true,
    },
    output: {
      ascii_only: true,
      quote_style: 3,
      wrap_iife: true,
    },
    sourceMap: {
      includeSources: false,
    },
    toplevel: false,
    compress: {
      reduce_funcs: false,
    },
  },
};

// Reduce file system lookups for better performance
config.watchFolders = [
  path.resolve(__dirname, 'src'),
  path.resolve(__dirname, 'app'),
];

module.exports = config;