render-worker.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const node_assert_1 = __importDefault(require("node:assert"));
const node_worker_threads_1 = require("node:worker_threads");
/**
 * The fully resolved path to the zone.js package that will be loaded during worker initialization.
 * This is passed as workerData when setting up the worker via the `piscina` package.
 */
const { zonePackage } = node_worker_threads_1.workerData;
/**
 * Renders an application based on a provided server bundle path, initial document, and optional URL route.
 * @param param0 A request to render a server bundle.
 * @returns A promise that resolves to the render HTML document for the application.
 */
async function render({ serverBundlePath, document, url }) {
    const { ɵSERVER_CONTEXT, AppServerModule, renderModule, renderApplication, default: bootstrapAppFn, } = (await Promise.resolve(`${serverBundlePath}`).then(s => __importStar(require(s))));
    (0, node_assert_1.default)(ɵSERVER_CONTEXT, `ɵSERVER_CONTEXT was not exported from: ${serverBundlePath}.`);
    const platformProviders = [
        {
            provide: ɵSERVER_CONTEXT,
            useValue: 'app-shell',
        },
    ];
    let renderAppPromise;
    // Render platform server module
    if (isBootstrapFn(bootstrapAppFn)) {
        (0, node_assert_1.default)(renderApplication, `renderApplication was not exported from: ${serverBundlePath}.`);
        renderAppPromise = renderApplication(bootstrapAppFn, {
            document,
            url,
            platformProviders,
        });
    }
    else {
        (0, node_assert_1.default)(renderModule, `renderModule was not exported from: ${serverBundlePath}.`);
        const moduleClass = bootstrapAppFn || AppServerModule;
        (0, node_assert_1.default)(moduleClass, `Neither an AppServerModule nor a bootstrapping function was exported from: ${serverBundlePath}.`);
        renderAppPromise = renderModule(moduleClass, {
            document,
            url,
            extraProviders: platformProviders,
        });
    }
    // The below should really handled by the framework!!!.
    // See: https://github.com/angular/angular/issues/51549
    let timer;
    const renderingTimeout = new Promise((_, reject) => (timer = setTimeout(() => reject(new Error(`Page ${new URL(url, 'resolve://').pathname} did not render in 30 seconds.`)), 30_000)));
    return Promise.race([renderAppPromise, renderingTimeout]).finally(() => clearTimeout(timer));
}
function isBootstrapFn(value) {
    // We can differentiate between a module and a bootstrap function by reading compiler-generated `ɵmod` static property:
    return typeof value === 'function' && !('ɵmod' in value);
}
/**
 * Initializes the worker when it is first created by loading the Zone.js package
 * into the worker instance.
 *
 * @returns A promise resolving to the render function of the worker.
 */
async function initialize() {
    // Setup Zone.js
    await Promise.resolve(`${zonePackage}`).then(s => __importStar(require(s)));
    // Return the render function for use
    return render;
}
/**
 * The default export will be the promise returned by the initialize function.
 * This is awaited by piscina prior to using the Worker.
 */
exports.default = initialize();