Failure in SystemJS during ahead-of-time compilation due to missing NgZone provider

Previously, I have successfully used Angular's ahead-of-time compilation. However, after adding routing and lazy loading to my app, I am facing difficulties in making it work again.

Upon updating my code to the latest 2.0 release, it functions well with just-in-time compilation but encounters an error when compiled ahead-of-time:

(index):52 Error: (SystemJS) XHR error (404 Not Found) loading Error: XHR error (404 Not Found) loading at XMLHttpRequest.wrapFn [as _onreadystatechange] () at ZoneDelegate.invokeTask () at Zone.runTask () at XMLHttpRequest.ZoneTask.invoke () Error loading Error loading as "@angular/core/src/linker/ng_module_factory" from

Any assistance would be greatly appreciated.

Answer №1

Encountered a similar issue while transitioning from Angular RC6 to version 2.0.0, specifically related to the systemjs.config.js file.

I ended up starting fresh and reworking the entire systemjs.config.js based on the updated instructions provided in the latest quick start guide: https://angular.io/docs/ts/latest/quickstart.html#!#add-config-files, making some adjustments along the way.

One noticeable issue in your systemjs.config.js is the absence of references to the following packages:

  • es6-shim (or core-js)
  • reflect-metadata
  • zone.js

Below is a snippet from my revised systemjs.config.js

(function (global) {
    System.config({
        paths: {
            'npm:': '/node_modules/'
        },
        // map tells the System loader where to look for things
        map: {
            // our app is within the app folder
            app: '/app',
            // angular bundles
            '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
            '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
            '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
            '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
            '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
            '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
            '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
            '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
            // other libraries
            'es6-shim': 'npm:es6-shim',
            'reflect-metadata': 'npm:reflect-metadata',
            'rxjs': 'npm:rxjs',
            'zone.js': 'npm:zone.js'
        },
        // packages tells the System loader how to load when no filename and/or no extension
        packages: {
            'app': { main: 'main.js', defaultExtension: 'js' },
            'es6-shim': { main: 'es6-shim.min.js', defaultExtension: 'js' },
            'reflect-metadata': { main: 'Reflect.js', defaultExtension: 'js' },
            'rxjs': { main: 'bundles/Rx.min.js', defaultExtension: 'js' },
            'zone.js': { main: 'dist/zone.min.js', defaultExtension: 'js' }
        }
    });
})(this);

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