Angular 8 support. Resolves #83.

package.json

@@ -28,14 +28,17 @@
   },
   "homepage": "https://github.com/CanopyTax/single-spa-angular#readme",
   "peerDependencies": {
+    "@angular-builders/custom-webpack": "^8",
     "@angular-devkit/architect": ">= 0.10.0",
     "@angular-devkit/build-angular": ">= 0.10.0",
     "@angular-devkit/core": ">= 0.10.0",
     "@angular/compiler": ">=2",
     "@angular/compiler-cli": ">=2",
     "@angular/core": ">=2",
     "rxjs": ">= 6.0.0",
-    "webpack": ">=4.6.0"
+    "semver": "^6.2.0",
+    "webpack": ">=4.6.0",
+    "webpack-merge": "^4.2.1"
   },
   "devDependencies": {
     "@angular-devkit/architect": "^0.13.6",
@@ -61,7 +64,6 @@
     "webpack": "^4.29.6"
   },
   "dependencies": {
-    "webpack-merge": "^4.2.1",
     "single-spa": ">= 4.0.0"
   }
 }

src/schematics/ng-add/_files/extra-webpack.config.js.template

@@ -0,0 +1,8 @@
+const singleSpaAngularWebpack = require('single-spa-angular/lib/webpack').default
+
+module.exports = (angularWebpackConfig, options) => {
+  const singleSpaWebpackConfig = singleSpaAngularWebpack(angularWebpackConfig, options)
+
+  // Feel free to modify this webpack config however you'd like to
+  return singleSpaWebpackConfig
+}

src/schematics/ng-add/_files/src/main.single-spa.ts.template

@@ -1,4 +1,4 @@
-import 'core-js/es7/reflect';
+<% if (!atLeastAngular8) { %>import 'core-js/es7/reflect';<% } %>
 <% if (routing) { %>import { enableProdMode, NgZone } from '@angular/core';<% } %>
 <% if (!routing) { %>import { enableProdMode, NgZone } from '@angular/core';<% } %>
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';<% if (routing) { %>