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packages/angular/ssr/node/src/module.ts
29 строк
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Alan Agius
feat(@angular/ssr): stabilize `AngularNodeAppEngine`, `AngularAppEngine`, and `provideServerRouting` APIs
13 мар 2025, 19:40
13 мар 2025, 19:40
cdfc50c
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/** * @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 */ import { argv } from 'node:process'; import { fileURLToPath } from 'node:url'; /** * Determines whether the provided URL represents the main entry point module. * * This function checks if the provided URL corresponds to the main ESM module being executed directly. * It's useful for conditionally executing code that should only run when a module is the entry point, * such as starting a server or initializing an application. * * It performs two key checks: * 1. Verifies if the URL starts with 'file:', ensuring it is a local file. * 2. Compares the URL's resolved file path with the first command-line argument (`process.argv[1]`), * which points to the file being executed. * * @param url The URL of the module to check. This should typically be `import.meta.url`. * @returns `true` if the provided URL represents the main entry point, otherwise `false`. */ export function isMainModule(url: string): boolean { return url.startsWith('file:') && argv[1] === fileURLToPath(url); }