refactor: move angular source to /packages rather than modules/@angular

packages/router/src/shared.ts

@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright Google Inc. 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.io/license
+ */
+
+
+import {Route, UrlMatchResult} from './config';
+import {UrlSegment, UrlSegmentGroup} from './url_tree';
+
+
+/**
+ * @whatItDoes Name of the primary outlet.
+ *
+ * @stable
+ */
+export const PRIMARY_OUTLET = 'primary';
+
+/**
+ * A collection of parameters.
+ *
+ * @stable
+ */
+export type Params = {
+  [key: string]: any
+};
+
+const NAVIGATION_CANCELING_ERROR = 'ngNavigationCancelingError';
+
+export function navigationCancelingError(message: string) {
+  const error = Error('NavigationCancelingError: ' + message);
+  (error as any)[NAVIGATION_CANCELING_ERROR] = true;
+  return error;
+}
+
+export function isNavigationCancelingError(error: Error) {
+  return (error as any)[NAVIGATION_CANCELING_ERROR];
+}
+
+export function defaultUrlMatcher(
+    segments: UrlSegment[], segmentGroup: UrlSegmentGroup, route: Route): UrlMatchResult {
+  const path = route.path;
+  const parts = path.split('/');
+  const posParams: {[key: string]: UrlSegment} = {};
+  const consumed: UrlSegment[] = [];
+
+  let currentIndex = 0;
+
+  for (let i = 0; i < parts.length; ++i) {
+    if (currentIndex >= segments.length) return null;
+    const current = segments[currentIndex];
+
+    const p = parts[i];
+    const isPosParam = p.startsWith(':');
+
+    if (!isPosParam && p !== current.path) return null;
+    if (isPosParam) {
+      posParams[p.substring(1)] = current;
+    }
+    consumed.push(current);
+    currentIndex++;
+  }
+
+  if (route.pathMatch === 'full' &&
+      (segmentGroup.hasChildren() || currentIndex < segments.length)) {
+    return null;
+  } else {
+    return {consumed, posParams};
+  }
+}