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- "use strict";
- var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
- function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
- return new (P || (P = Promise))(function (resolve, reject) {
- function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
- function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
- function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
- step((generator = generator.apply(thisArg, _arguments || [])).next());
- });
- };
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.registerAndCreateEsmHooks = void 0;
- const index_1 = require("./index");
- const url_1 = require("url");
- const path_1 = require("path");
- const assert = require("assert");
- const { createResolve } = require('../dist-raw/node-esm-resolve-implementation');
- // Note: On Windows, URLs look like this: file:///D:/dev/@TypeStrong/ts-node-examples/foo.ts
- function registerAndCreateEsmHooks(opts) {
- // Automatically performs registration just like `-r ts-node/register`
- const tsNodeInstance = index_1.register(Object.assign(Object.assign({}, opts), { experimentalEsmLoader: true }));
- // Custom implementation that considers additional file extensions and automatically adds file extensions
- const nodeResolveImplementation = createResolve(Object.assign(Object.assign({}, index_1.getExtensions(tsNodeInstance.config)), { preferTsExts: tsNodeInstance.options.preferTsExts }));
- return { resolve, getFormat, transformSource };
- function isFileUrlOrNodeStyleSpecifier(parsed) {
- // We only understand file:// URLs, but in node, the specifier can be a node-style `./foo` or `foo`
- const { protocol } = parsed;
- return protocol === null || protocol === 'file:';
- }
- function resolve(specifier, context, defaultResolve) {
- return __awaiter(this, void 0, void 0, function* () {
- const defer = () => __awaiter(this, void 0, void 0, function* () {
- const r = yield defaultResolve(specifier, context, defaultResolve);
- return r;
- });
- const parsed = url_1.parse(specifier);
- const { pathname, protocol, hostname } = parsed;
- if (!isFileUrlOrNodeStyleSpecifier(parsed)) {
- return defer();
- }
- if (protocol !== null && protocol !== 'file:') {
- return defer();
- }
- // Malformed file:// URL? We should always see `null` or `''`
- if (hostname) {
- // TODO file://./foo sets `hostname` to `'.'`. Perhaps we should special-case this.
- return defer();
- }
- // pathname is the path to be resolved
- return nodeResolveImplementation.defaultResolve(specifier, context, defaultResolve);
- });
- }
- function getFormat(url, context, defaultGetFormat) {
- return __awaiter(this, void 0, void 0, function* () {
- const defer = (overrideUrl = url) => defaultGetFormat(overrideUrl, context, defaultGetFormat);
- const parsed = url_1.parse(url);
- if (!isFileUrlOrNodeStyleSpecifier(parsed)) {
- return defer();
- }
- const { pathname } = parsed;
- assert(pathname !== null, 'ESM getFormat() hook: URL should never have null pathname');
- const nativePath = url_1.fileURLToPath(url);
- // If file has .ts, .tsx, or .jsx extension, then ask node how it would treat this file if it were .js
- const ext = path_1.extname(nativePath);
- if (ext !== '.js' && !tsNodeInstance.ignored(nativePath)) {
- return defer(url_1.format(url_1.pathToFileURL(nativePath + '.js')));
- }
- return defer();
- });
- }
- function transformSource(source, context, defaultTransformSource) {
- return __awaiter(this, void 0, void 0, function* () {
- const defer = () => defaultTransformSource(source, context, defaultTransformSource);
- const sourceAsString = typeof source === 'string' ? source : source.toString('utf8');
- const { url } = context;
- const parsed = url_1.parse(url);
- if (!isFileUrlOrNodeStyleSpecifier(parsed)) {
- return defer();
- }
- const nativePath = url_1.fileURLToPath(url);
- if (tsNodeInstance.ignored(nativePath)) {
- return defer();
- }
- const emittedJs = tsNodeInstance.compile(sourceAsString, nativePath);
- return { source: emittedJs };
- });
- }
- }
- exports.registerAndCreateEsmHooks = registerAndCreateEsmHooks;
- //# sourceMappingURL=esm.js.map
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