runServer.js 4.2 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. function _metro() {
  7. const data = _interopRequireDefault(require("metro"));
  8. _metro = function () {
  9. return data;
  10. };
  11. return data;
  12. }
  13. function _metroCore() {
  14. const data = require("metro-core");
  15. _metroCore = function () {
  16. return data;
  17. };
  18. return data;
  19. }
  20. function _path() {
  21. const data = _interopRequireDefault(require("path"));
  22. _path = function () {
  23. return data;
  24. };
  25. return data;
  26. }
  27. function _cliServerApi() {
  28. const data = require("@react-native-community/cli-server-api");
  29. _cliServerApi = function () {
  30. return data;
  31. };
  32. return data;
  33. }
  34. var _loadMetroConfig = _interopRequireDefault(require("../../tools/loadMetroConfig"));
  35. var _releaseChecker = _interopRequireDefault(require("../../tools/releaseChecker"));
  36. var _watchMode = _interopRequireDefault(require("./watchMode"));
  37. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  38. /**
  39. * Copyright (c) Facebook, Inc. and its affiliates.
  40. *
  41. * This source code is licensed under the MIT license found in the
  42. * LICENSE file in the root directory of this source tree.
  43. */
  44. // @ts-ignore untyped metro
  45. // @ts-ignore untyped metro
  46. async function runServer(_argv, ctx, args) {
  47. let reportEvent;
  48. const terminal = new (_metroCore().Terminal)(process.stdout);
  49. const ReporterImpl = getReporterImpl(args.customLogReporterPath);
  50. const terminalReporter = new ReporterImpl(terminal);
  51. const reporter = {
  52. update(event) {
  53. terminalReporter.update(event);
  54. if (reportEvent) {
  55. reportEvent(event);
  56. }
  57. }
  58. };
  59. const metroConfig = await (0, _loadMetroConfig.default)(ctx, {
  60. config: args.config,
  61. maxWorkers: args.maxWorkers,
  62. port: args.port,
  63. resetCache: args.resetCache,
  64. watchFolders: args.watchFolders,
  65. projectRoot: args.projectRoot,
  66. sourceExts: args.sourceExts,
  67. reporter
  68. });
  69. if (args.assetPlugins) {
  70. metroConfig.transformer.assetPlugins = args.assetPlugins.map(plugin => require.resolve(plugin));
  71. }
  72. const {
  73. middleware,
  74. attachToServer
  75. } = (0, _cliServerApi().createDevServerMiddleware)({
  76. host: args.host,
  77. port: metroConfig.server.port,
  78. watchFolders: metroConfig.watchFolders
  79. });
  80. middleware.use(_cliServerApi().indexPageMiddleware);
  81. const customEnhanceMiddleware = metroConfig.server.enhanceMiddleware;
  82. metroConfig.server.enhanceMiddleware = (metroMiddleware, server) => {
  83. if (customEnhanceMiddleware) {
  84. metroMiddleware = customEnhanceMiddleware(metroMiddleware, server);
  85. }
  86. return middleware.use(metroMiddleware);
  87. };
  88. const serverInstance = await _metro().default.runServer(metroConfig, {
  89. host: args.host,
  90. secure: args.https,
  91. secureCert: args.cert,
  92. secureKey: args.key,
  93. hmrEnabled: true
  94. });
  95. const {
  96. messageSocket,
  97. eventsSocket
  98. } = attachToServer(serverInstance);
  99. reportEvent = eventsSocket.reportEvent;
  100. if (args.interactive) {
  101. (0, _watchMode.default)(messageSocket);
  102. } // In Node 8, the default keep-alive for an HTTP connection is 5 seconds. In
  103. // early versions of Node 8, this was implemented in a buggy way which caused
  104. // some HTTP responses (like those containing large JS bundles) to be
  105. // terminated early.
  106. //
  107. // As a workaround, arbitrarily increase the keep-alive from 5 to 30 seconds,
  108. // which should be enough to send even the largest of JS bundles.
  109. //
  110. // For more info: https://github.com/nodejs/node/issues/13391
  111. //
  112. serverInstance.keepAliveTimeout = 30000;
  113. await (0, _releaseChecker.default)(ctx.root);
  114. }
  115. function getReporterImpl(customLogReporterPath) {
  116. if (customLogReporterPath === undefined) {
  117. return require('metro/src/lib/TerminalReporter');
  118. }
  119. try {
  120. // First we let require resolve it, so we can require packages in node_modules
  121. // as expected. eg: require('my-package/reporter');
  122. return require(customLogReporterPath);
  123. } catch (e) {
  124. if (e.code !== 'MODULE_NOT_FOUND') {
  125. throw e;
  126. } // If that doesn't work, then we next try relative to the cwd, eg:
  127. // require('./reporter');
  128. return require(_path().default.resolve(customLogReporterPath));
  129. }
  130. }
  131. var _default = runServer;
  132. exports.default = _default;
  133. //# sourceMappingURL=runServer.js.map