loadMetroConfig.js 3.2 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = load;
  6. exports.getDefaultConfig = void 0;
  7. function _path() {
  8. const data = _interopRequireDefault(require("path"));
  9. _path = function () {
  10. return data;
  11. };
  12. return data;
  13. }
  14. function _metroConfig() {
  15. const data = require("metro-config");
  16. _metroConfig = function () {
  17. return data;
  18. };
  19. return data;
  20. }
  21. var _metroPlatformResolver = require("./metroPlatformResolver");
  22. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  23. /**
  24. * Configuration file of Metro.
  25. */
  26. // @ts-ignore - no typed definition for the package
  27. const INTERNAL_CALLSITES_REGEX = new RegExp(['/Libraries/Renderer/implementations/.+\\.js$', '/Libraries/BatchedBridge/MessageQueue\\.js$', '/Libraries/YellowBox/.+\\.js$', '/Libraries/LogBox/.+\\.js$', '/Libraries/Core/Timers/.+\\.js$', '/node_modules/react-devtools-core/.+\\.js$', '/node_modules/react-refresh/.+\\.js$', '/node_modules/scheduler/.+\\.js$'].join('|'));
  28. /**
  29. * Default configuration
  30. */
  31. const getDefaultConfig = ctx => {
  32. const outOfTreePlatforms = Object.keys(ctx.platforms).filter(platform => ctx.platforms[platform].npmPackageName);
  33. return {
  34. resolver: {
  35. resolveRequest: outOfTreePlatforms.length === 0 ? undefined : (0, _metroPlatformResolver.reactNativePlatformResolver)(outOfTreePlatforms.reduce((result, platform) => {
  36. result[platform] = ctx.platforms[platform].npmPackageName;
  37. return result;
  38. }, {})),
  39. resolverMainFields: ['react-native', 'browser', 'main'],
  40. platforms: [...Object.keys(ctx.platforms), 'native']
  41. },
  42. serializer: {
  43. // We can include multiple copies of InitializeCore here because metro will
  44. // only add ones that are already part of the bundle
  45. getModulesRunBeforeMainModule: () => [require.resolve(_path().default.join(ctx.reactNativePath, 'Libraries/Core/InitializeCore')), ...outOfTreePlatforms.map(platform => require.resolve(`${ctx.platforms[platform].npmPackageName}/Libraries/Core/InitializeCore`))],
  46. getPolyfills: () => require(_path().default.join(ctx.reactNativePath, 'rn-get-polyfills'))()
  47. },
  48. server: {
  49. port: Number(process.env.RCT_METRO_PORT) || 8081
  50. },
  51. symbolicator: {
  52. customizeFrame: frame => {
  53. const collapse = Boolean(frame.file && INTERNAL_CALLSITES_REGEX.test(frame.file));
  54. return {
  55. collapse
  56. };
  57. }
  58. },
  59. transformer: {
  60. allowOptionalDependencies: true,
  61. babelTransformerPath: require.resolve('metro-react-native-babel-transformer'),
  62. assetRegistryPath: 'react-native/Libraries/Image/AssetRegistry'
  63. },
  64. watchFolders: []
  65. };
  66. };
  67. exports.getDefaultConfig = getDefaultConfig;
  68. /**
  69. * Loads Metro Config and applies `options` on top of the resolved config.
  70. *
  71. * This allows the CLI to always overwrite the file settings.
  72. */
  73. function load(ctx, options) {
  74. const defaultConfig = getDefaultConfig(ctx);
  75. if (options && options.reporter) {
  76. defaultConfig.reporter = options.reporter;
  77. }
  78. return (0, _metroConfig().loadConfig)({
  79. cwd: ctx.root,
  80. ...options
  81. }, defaultConfig);
  82. }
  83. //# sourceMappingURL=loadMetroConfig.js.map