fix(router): add segmentPath to the link DSL

modules/@angular/router/src/create_url_tree.ts

@@ -101,17 +101,21 @@ function normalizeCommands(commands: any[]): NormalizedNavigationCommands {
       continue;
     }
 
+    if (typeof c === 'object' && c.segmentPath !== undefined) {
+      res.push(c.segmentPath);
+      continue;
+    }
+
     if (!(typeof c === 'string')) {
       res.push(c);
       continue;
     }
 
+    if (i === 0) {
       const parts = c.split('/');
       for (let j = 0; j < parts.length; ++j) {
         let cc = parts[j];
 
-      // first exp is treated in a special way
-      if (i == 0) {
         if (j == 0 && cc == '.') {  //  './a'
           // skip it
         } else if (j == 0 && cc == '') {  //  '/a'
@@ -121,12 +125,9 @@ function normalizeCommands(commands: any[]): NormalizedNavigationCommands {
         } else if (cc != '') {
           res.push(cc);
         }
-
+      }
     } else {
-        if (cc != '') {
-          res.push(cc);
-        }
-      }
+      res.push(c);
     }
   }
 

modules/@angular/router/src/router.ts

@@ -220,9 +220,14 @@ export class Router {
    * // create /team/33;expand=true/user/11
    * router.createUrlTree(['/team', 33, {expand: true}, 'user', 11]);
    *
-   * // you can collapse static fragments like this
+   * // you can collapse static segments like this (this works only with the first passed-in value):
    * router.createUrlTree(['/team/33/user', userId]);
    *
+   * If the first segment can contain slashes, and you do not want the router to split it, you
+   * can do the following:
+   *
+   * router.createUrlTree([{segmentPath: '/one/two'}]);
+   *
    * // create /team/33/(user/11//aux:chat)
    * router.createUrlTree(['/team', 33, {outlets: {primary: 'user/11', right: 'chat'}}]);
    *

modules/@angular/router/src/url_tree.ts

@@ -225,19 +225,24 @@ function serializeSegment(segment: UrlSegmentGroup, root: boolean): string {
   }
 }
 
+export function encode(s: string): string {
+  return encodeURIComponent(s);
+}
+
+export function decode(s: string): string {
+  return decodeURIComponent(s);
+}
+
 export function serializePath(path: UrlSegment): string {
-  return `${encodeURIComponent(path.path)}${serializeParams(path.parameters)}`;
+  return `${encode(path.path)}${serializeParams(path.parameters)}`;
 }
 
 function serializeParams(params: {[key: string]: string}): string {
-  return pairs(params)
-      .map(p => `;${encodeURIComponent(p.first)}=${encodeURIComponent(p.second)}`)
-      .join('');
+  return pairs(params).map(p => `;${encode(p.first)}=${encode(p.second)}`).join('');
 }
 
 function serializeQueryParams(params: {[key: string]: string}): string {
-  const strs =
-      pairs(params).map(p => `${encodeURIComponent(p.first)}=${encodeURIComponent(p.second)}`);
+  const strs = pairs(params).map(p => `${encode(p.first)}=${encode(p.second)}`);
   return strs.length > 0 ? `?${strs.join("&")}` : '';
 }
 
@@ -348,7 +353,7 @@ class UrlParser {
     if (this.peekStartsWith(';')) {
       matrixParams = this.parseMatrixParams();
     }
-    return new UrlSegment(decodeURIComponent(path), matrixParams);
+    return new UrlSegment(decode(path), matrixParams);
   }
 
   parseQueryParams(): {[key: string]: any} {
@@ -366,7 +371,7 @@ class UrlParser {
 
   parseFragment(): string {
     if (this.peekStartsWith('#')) {
-      return decodeURIComponent(this.remaining.substring(1));
+      return decode(this.remaining.substring(1));
     } else {
       return null;
     }
@@ -397,7 +402,7 @@ class UrlParser {
       }
     }
 
-    params[decodeURIComponent(key)] = decodeURIComponent(value);
+    params[decode(key)] = decode(value);
   }
 
   parseQueryParam(params: {[key: string]: any}): void {
@@ -415,7 +420,7 @@ class UrlParser {
         this.capture(value);
       }
     }
-    params[decodeURIComponent(key)] = decodeURIComponent(value);
+    params[decode(key)] = decode(value);
   }
 
   parseParens(allowPrimary: boolean): {[key: string]: UrlSegmentGroup} {

modules/@angular/router/test/create_url_tree.spec.ts

@@ -13,7 +13,7 @@ import {ActivatedRoute, ActivatedRouteSnapshot, advanceActivatedRoute} from '../
 import {PRIMARY_OUTLET, Params} from '../src/shared';
 import {DefaultUrlSerializer, UrlSegment, UrlSegmentGroup, UrlTree} from '../src/url_tree';
 
-describe('createUrlTree', () => {
+fdescribe('createUrlTree', () => {
   const serializer = new DefaultUrlSerializer();
 
   it('should navigate to the root', () => {
@@ -42,6 +42,12 @@ describe('createUrlTree', () => {
     expect(params[1].path).toEqual('11');
   });
 
+  it('should support first segments contaings slashes', () => {
+    const p = serializer.parse('/');
+    const t = createRoot(p, [{segmentPath: '/one'}, 'two/three']);
+    expect(serializer.serialize(t)).toEqual('/%2Fone/two%2Fthree');
+  });
+
   it('should preserve secondary segments', () => {
     const p = serializer.parse('/a/11/b(right:c)');
     const t = createRoot(p, ['/a', 11, 'd']);
@@ -98,7 +104,7 @@ describe('createUrlTree', () => {
 
   it('should create matrix parameters together with other segments', () => {
     const p = serializer.parse('/a');
-    const t = createRoot(p, ['/a', '/b', {aa: 22, bb: 33}]);
+    const t = createRoot(p, ['/a', 'b', {aa: 22, bb: 33}]);
     expect(serializer.serialize(t)).toEqual('/a/b;aa=22;bb=33');
   });
 

modules/@angular/router/test/url_serializer.spec.ts

@@ -7,7 +7,7 @@
  */
 
 import {PRIMARY_OUTLET} from '../src/shared';
-import {DefaultUrlSerializer, UrlSegmentGroup, serializePath} from '../src/url_tree';
+import {DefaultUrlSerializer, UrlSegmentGroup, decode, encode, serializePath} from '../src/url_tree';
 
 describe('url serializer', () => {
   const url = new DefaultUrlSerializer();
@@ -181,7 +181,7 @@ describe('url serializer', () => {
   describe('encoding/decoding', () => {
     it('should encode/decode path segments and parameters', () => {
       const u =
-          `/${encodeURIComponent("one two")};${encodeURIComponent("p 1")}=${encodeURIComponent("v 1")};${encodeURIComponent("p 2")}=${encodeURIComponent("v 2")}`;
+          `/${encode("one two")};${encode("p 1")}=${encode("v 1")};${encode("p 2")}=${encode("v 2")}`;
       const tree = url.parse(u);
 
       expect(tree.root.children[PRIMARY_OUTLET].segments[0].path).toEqual('one two');
@@ -190,9 +190,16 @@ describe('url serializer', () => {
       expect(url.serialize(tree)).toEqual(u);
     });
 
+    it('should encode/decode "slash" in path segments and parameters', () => {
+      const u = `/${encode("one/two")};${encode("p/1")}=${encode("v/1")}/three`;
+      const tree = url.parse(u);
+      expect(tree.root.children[PRIMARY_OUTLET].segments[0].path).toEqual('one/two');
+      expect(tree.root.children[PRIMARY_OUTLET].segments[0].parameters).toEqual({['p/1']: 'v/1'});
+      expect(url.serialize(tree)).toEqual(u);
+    });
+
     it('should encode/decode query params', () => {
-      const u =
-          `/one?${encodeURIComponent("p 1")}=${encodeURIComponent("v 1")}&${encodeURIComponent("p 2")}=${encodeURIComponent("v 2")}`;
+      const u = `/one?${encode("p 1")}=${encode("v 1")}&${encode("p 2")}=${encode("v 2")}`;
       const tree = url.parse(u);
 
       expect(tree.queryParams).toEqual({['p 1']: 'v 1', ['p 2']: 'v 2'});
@@ -200,7 +207,7 @@ describe('url serializer', () => {
     });
 
     it('should encode/decode fragment', () => {
-      const u = `/one#${encodeURIComponent("one two")}`;
+      const u = `/one#${encode("one two")}`;
       const tree = url.parse(u);
 
       expect(tree.fragment).toEqual('one two');