I'm trying to upgrade a giant client-side app from Angular 1.x to Angular
2, and I've hit a really annoying roadblock. I've recreated the issue with
a dummy, light-weight project (files pasted below), but let me just explain
the problem first.
Basically, when my `tsconfig.json` specifies module as `commonjs`, I get
the following error in my chrome dev console:
>app.module.ts:1Uncaught ReferenceError: require is not defined
When I switch the module to `system`, I get the following error:
> >Uncaught TypeError: Invalid System.register call. Anonymous
> System.register calls can only be made by modules loaded by SystemJS.import
> and not via script tags.
And when I switch module to `umd`, everything works fine. But given that
angular themselves suggest using `commonjs`, I'm concerned that `umd` is
not the right answer. If I'm wrong about that, I'd love for somebody to
explain why.
I've read a number of blogs about module loading and the differences
between umd and amd and commonjs and node, but I have to admit, I'm still
pretty confused. So if somebody could also point me to a great, clear
explanation about that, as well, I'd really appreciate it. In the
meantime, here's my code.
tsconfig.json:
{
"compilerOptions": {
"target": "es5",
"module": "system",
"moduleResolution": "node",
"sourceMap": true,
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"removeComments": false,
"noImplicitAny": false
}
,
"exclude": [
"node_modules"
]
}
typings.json:
{
"globalDependencies": {
"angular": "registry:dt/angular#1.5.0+20160922195358",
"core-js": "registry:dt/core-js#0.0.0+20160725163759",
"jasmine": "registry:dt/jasmine#2.2.0+20160621224255",
"jquery": "registry:dt/jquery#1.10.0+20160929162922",
"node": "registry:dt/node#6.0.0+20160909174046"
}
}
systemjs.config.js :
(function (global) {
System.config({
paths: {
// paths serve as alias
'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/ ': '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
'rxjs': 'npm:rxjs',
'angular-in-memory-web-api': 'npm:angular-in-memory-web-api',
},
// packages tells the System loader how to load when no filename
and/or no extension
packages: {
app: {
main: './main.js',
defaultExtension: 'js'
},
rxjs: {
defaultExtension: 'js'
},
'angular-in-memory-web-api': {
main: './index.js',
defaultExtension: 'js'
}
}
});
})(this);
package.json :
{
"name": "mattsApp",
"version": "0.0.1",
"dependencies": {
"angular": "^1.5.8",
"@angular/common": "~2.0.2",
"@angular/compiler": "~2.0.2",
"@angular/core": "~2.0.2",
"@angular/forms": "~2.0.2",
"@angular/http": "~2.0.2",
"@angular/platform-browser": "~2.0.2",
"@angular/platform-browser-dynamic": "~2.0.2",
"@angular/router": "~3.0.2",
"@angular/upgrade": "~2.0.2",
"angular-in-memory-web-api": "~0.1.5",
"bootstrap": "^3.3.7",
"core-js": "^2.4.1",
"reflect-metadata": "^0.1.8",
"rxjs": "5.0.0-beta.12",
"systemjs": "0.19.39",
"zone.js": "^0.6.25"
},
"devDependencies": {
"concurrently": "^3.0.0",
"lite-server": "^2.2.2",
"typescript": "^2.0.3",
"typings":"^1.4.0"
},
"scripts": {
"start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
"lite": "lite-server",
"postinstall": "typings install",
"tsc": "tsc",
"tsc:w": "tsc -w",
"typings": "typings"
}
}
app.js :
angular.module('app', []);
app.module.ts :
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { upgradeAdapter } from './upgrade_adapter';
@NgModule({
imports: [ BrowserModule ]
})
export class AppModule { }
upgradeAdapter.bootstrap(document.body, ['app'], {strictDi: true});
appCtrl.ts :
angular.module('app')
.controller('appCtrl', ['$scope', function($scope) {
$scope.hello = "howdy worldy";
}]);
upgrade_adapter.ts :
import { UpgradeAdapter } from '@angular/upgrade';
import {AppModule} from "./app.module";
export const upgradeAdapter = new UpgradeAdapter(AppModule);
What am I missing?
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