ng serve, browser serve wrong path for material fonts (self hosted), in dev server

[djleonskennedy]

Versions

Angular CLI: 6.0.0-rc.5
Node: 8.9.4
OS: win32 x64
Angular: 6.0.0-rc.5
... animations, cli, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.5.7
@angular-devkit/build-angular     0.5.7
@angular-devkit/build-optimizer   0.5.7
@angular-devkit/core              0.5.7
@angular-devkit/schematics        0.5.7
@angular/cdk                      6.0.0-rc.12
@angular/material                 6.0.0-rc.12
@ngtools/json-schema              1.1.0
@ngtools/webpack                  6.0.0-rc.5
@schematics/angular               0.5.7
@schematics/update                0.5.7
rxjs                              6.0.0-uncanny-rc.7
typescript                        2.7.2
webpack                           4.5.0

Repro steps

1. install app ng new app

2. install material icons (as self hosting)
   

3. set up lazy routes someLazyRoute -> someLazyRoute2 (both lazy)

4. open them by full path localhost:4200/someLazyRoute/someLazyRoute2

5. add some icon in someLazyRoute for example;

6. check console

Observed behavior

I've setup project with lazy loading;

have structure localhost:4200/account/home (all routes are lazy loaded)
if i open app from root like localhost:4200 icons serves well
if i serve from path localhost:4200/account/home

i have next a result:

this is Frames screen from chrome

Desired behavior

icons loaded as expected

Mention any other details that might be useful (optional)

seems like this problem with dev server;
i've tried serve this via http server with spa mode and all works fine also in IE11 all works fine too even in ng serve

[cyrilletuzi]

Duplicate of #10378

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