esmLoaderHost.js 4.1 KB

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  1. "use strict";
  2. var __create = Object.create;
  3. var __defProp = Object.defineProperty;
  4. var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
  5. var __getOwnPropNames = Object.getOwnPropertyNames;
  6. var __getProtoOf = Object.getPrototypeOf;
  7. var __hasOwnProp = Object.prototype.hasOwnProperty;
  8. var __export = (target, all) => {
  9. for (var name in all)
  10. __defProp(target, name, { get: all[name], enumerable: true });
  11. };
  12. var __copyProps = (to, from, except, desc) => {
  13. if (from && typeof from === "object" || typeof from === "function") {
  14. for (let key of __getOwnPropNames(from))
  15. if (!__hasOwnProp.call(to, key) && key !== except)
  16. __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  17. }
  18. return to;
  19. };
  20. var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  21. // If the importer is in node compatibility mode or this is not an ESM
  22. // file that has been converted to a CommonJS file using a Babel-
  23. // compatible transform (i.e. "__esModule" has not been set), then set
  24. // "default" to the CommonJS "module.exports" for node compatibility.
  25. isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  26. mod
  27. ));
  28. var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
  29. var esmLoaderHost_exports = {};
  30. __export(esmLoaderHost_exports, {
  31. configureESMLoader: () => configureESMLoader,
  32. configureESMLoaderTransformConfig: () => configureESMLoaderTransformConfig,
  33. incorporateCompilationCache: () => incorporateCompilationCache,
  34. registerESMLoader: () => registerESMLoader,
  35. startCollectingFileDeps: () => startCollectingFileDeps,
  36. stopCollectingFileDeps: () => stopCollectingFileDeps
  37. });
  38. module.exports = __toCommonJS(esmLoaderHost_exports);
  39. var import_url = __toESM(require("url"));
  40. var import_compilationCache = require("../transform/compilationCache");
  41. var import_portTransport = require("../transform/portTransport");
  42. var import_transform = require("../transform/transform");
  43. let loaderChannel;
  44. function registerESMLoader() {
  45. if (process.env.PW_DISABLE_TS_ESM)
  46. return true;
  47. if (loaderChannel)
  48. return true;
  49. const register = require("node:module").register;
  50. if (!register)
  51. return false;
  52. const { port1, port2 } = new MessageChannel();
  53. register(import_url.default.pathToFileURL(require.resolve("../transform/esmLoader")), {
  54. data: { port: port2 },
  55. transferList: [port2]
  56. });
  57. loaderChannel = createPortTransport(port1);
  58. return true;
  59. }
  60. function createPortTransport(port) {
  61. return new import_portTransport.PortTransport(port, async (method, params) => {
  62. if (method === "pushToCompilationCache")
  63. (0, import_compilationCache.addToCompilationCache)(params.cache);
  64. });
  65. }
  66. async function startCollectingFileDeps() {
  67. if (!loaderChannel)
  68. return;
  69. await loaderChannel.send("startCollectingFileDeps", {});
  70. }
  71. async function stopCollectingFileDeps(file) {
  72. if (!loaderChannel)
  73. return;
  74. await loaderChannel.send("stopCollectingFileDeps", { file });
  75. }
  76. async function incorporateCompilationCache() {
  77. if (!loaderChannel)
  78. return;
  79. const result = await loaderChannel.send("getCompilationCache", {});
  80. (0, import_compilationCache.addToCompilationCache)(result.cache);
  81. }
  82. async function configureESMLoader() {
  83. if (!loaderChannel)
  84. return;
  85. await loaderChannel.send("setSingleTSConfig", { tsconfig: (0, import_transform.singleTSConfig)() });
  86. await loaderChannel.send("addToCompilationCache", { cache: (0, import_compilationCache.serializeCompilationCache)() });
  87. }
  88. async function configureESMLoaderTransformConfig() {
  89. if (!loaderChannel)
  90. return;
  91. await loaderChannel.send("setSingleTSConfig", { tsconfig: (0, import_transform.singleTSConfig)() });
  92. await loaderChannel.send("setTransformConfig", { config: (0, import_transform.transformConfig)() });
  93. }
  94. // Annotate the CommonJS export names for ESM import in node:
  95. 0 && (module.exports = {
  96. configureESMLoader,
  97. configureESMLoaderTransformConfig,
  98. incorporateCompilationCache,
  99. registerESMLoader,
  100. startCollectingFileDeps,
  101. stopCollectingFileDeps
  102. });