feat(divider): move divider out of mat-list

- Creates an independent mat-divider component
- Adds inset capability with special accomodations for mat-list-item
- Adds vertical option
- Removed mat-divider from MatListModule with temporary import to
  prevent breaking changes
- Added styling for dividers in cards
- Add demos for use in list, card, and menu

Author: CaerusKaru

src/demo-app/card/card-demo.html

@@ -27,6 +27,23 @@
     </mat-card-footer>
   </mat-card>
 
+  <mat-card>
+    <mat-card-subtitle>Subtitle</mat-card-subtitle>
+    <mat-card-title>Card with title, footer, and inset-divider</mat-card-title>
+    <mat-card-content>
+      <p>This is supporting text.</p>
+      <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+    </mat-card-content>
+    <mat-divider [inset]="true"></mat-divider>
+    <mat-card-actions>
+      <button mat-button>LIKE</button>
+      <button mat-button>SHARE</button>
+    </mat-card-actions>
+    <mat-card-footer>
+      <mat-progress-bar mode="indeterminate"></mat-progress-bar>
+    </mat-card-footer>
+  </mat-card>
+
   <mat-card>
     <img mat-card-image src="https://material.angularjs.org/latest/img/washedout.png">
     <mat-card-title>Content Title</mat-card-title>

src/demo-app/demo-material-module.ts

@@ -8,6 +8,7 @@ import {
   MatChipsModule,
   MatDatepickerModule,
   MatDialogModule,
+  MatDividerModule,
   MatExpansionModule,
   MatFormFieldModule,
   MatGridListModule,
@@ -55,6 +56,7 @@ import {PortalModule} from '@angular/cdk/portal';
     MatTableModule,
     MatDatepickerModule,
     MatDialogModule,
+    MatDividerModule,
     MatExpansionModule,
     MatFormFieldModule,
     MatGridListModule,

src/demo-app/list/list-demo.html

@@ -24,13 +24,14 @@ <h3 mat-line>{{contact.name}}</h3>
 
     <mat-list>
       <h3 mat-subheader>Today</h3>
-      <mat-list-item *ngFor="let message of messages">
+      <mat-list-item *ngFor="let message of messages; last as last">
         <img mat-list-avatar [src]="message.image" alt="Image of {{message.from}}">
         <h4 mat-line>{{message.from}}</h4>
         <p mat-line>
           <span>{{message.subject}} -- </span>
           <span class="demo-secondary-text">{{message.message}}</span>
         </p>
+        <mat-divider [inset]="true" *ngIf="!last"></mat-divider>
       </mat-list-item>
       <mat-divider></mat-divider>
       <mat-list-item *ngFor="let message of messages">

src/demo-app/menu/menu-demo.html

@@ -14,6 +14,24 @@
       </button>
     </mat-menu>
   </div>
+  <div class="menu-section">
+    <p>Menu with divider</p>
+
+    <mat-toolbar>
+      <button mat-icon-button [matMenuTriggerFor]="divider" aria-label="Open basic menu">
+        <mat-icon>more_vert</mat-icon>
+      </button>
+    </mat-toolbar>
+
+    <mat-menu #divider="matMenu">
+      <ng-container *ngFor="let item of items; last as last">
+        <button mat-menu-item [disabled]="item.disabled">
+          {{ item.text }}
+        </button>
+        <mat-divider *ngIf="!last"></mat-divider>
+      </ng-container>
+    </mat-menu>
+  </div>
   <div class="menu-section">
     <p>Nested menu</p>
 

src/demo-app/system-config.ts

@@ -57,6 +57,7 @@ System.config({
     '@angular/material/core': 'dist/packages/material/core/index.js',
     '@angular/material/datepicker': 'dist/packages/material/datepicker/index.js',
     '@angular/material/dialog': 'dist/packages/material/dialog/index.js',
+    '@angular/material/divider': 'dist/packages/material/divider/index.js',
     '@angular/material/expansion': 'dist/packages/material/expansion/index.js',
     '@angular/material/form-field': 'dist/packages/material/form-field/index.js',
     '@angular/material/grid-list': 'dist/packages/material/grid-list/index.js',

src/e2e-app/e2e-app-module.ts

@@ -23,6 +23,7 @@ import {
   MatButtonModule,
   MatCheckboxModule,
   MatDialogModule,
+  MatDividerModule,
   MatFormFieldModule,
   MatGridListModule,
   MatIconModule,
@@ -50,6 +51,7 @@ import {ReactiveFormsModule} from '@angular/forms';
     MatButtonModule,
     MatCheckboxModule,
     MatDialogModule,
+    MatDividerModule,
     MatFormFieldModule,
     MatGridListModule,
     MatIconModule,

src/e2e-app/system-config.ts

@@ -57,6 +57,7 @@ System.config({
     '@angular/material/core': 'dist/bundles/material-core.umd.js',
     '@angular/material/datepicker': 'dist/bundles/material-datepicker.umd.js',
     '@angular/material/dialog': 'dist/bundles/material-dialog.umd.js',
+    '@angular/material/divider': 'dist/bundles/material-divider.umd.js',
     '@angular/material/expansion': 'dist/bundles/material-expansion.umd.js',
     '@angular/material/form-field': 'dist/bundles/material-form-field.umd.js',
     '@angular/material/grid-list': 'dist/bundles/material-grid-list.umd.js',

src/lib/core/theming/_all-theme.scss

@@ -9,6 +9,7 @@
 @import '../../table/table-theme';
 @import '../../datepicker/datepicker-theme';
 @import '../../dialog/dialog-theme';
+@import '../../divider/divider-theme';
 @import '../../expansion/expansion-theme';
 @import '../../grid-list/grid-list-theme';
 @import '../../icon/icon-theme';
@@ -43,6 +44,7 @@
   @include mat-table-theme($theme);
   @include mat-datepicker-theme($theme);
   @include mat-dialog-theme($theme);
+  @include mat-divider-theme($theme);
   @include mat-expansion-panel-theme($theme);
   @include mat-form-field-theme($theme);
   @include mat-grid-list-theme($theme);

src/lib/divider/README.md

@@ -0,0 +1 @@
+Please see the official documentation at https://material.angular.io/components/component/divider

src/lib/divider/_divider-theme.scss

@@ -0,0 +1,15 @@
+@import '../core/theming/palette';
+@import '../core/theming/theming';
+
+
+@mixin mat-divider-theme($theme) {
+  $foreground: map-get($theme, foreground);
+
+  .mat-divider {
+    border-top-color: mat-color($foreground, divider);
+  }
+
+  .mat-divider-vertical {
+    border-right-color: mat-color($foreground, divider);
+  }
+}