fix(select): allow extra content to be projected after label in mat-optgroup (#13396)

crisbeto · vivian-hu-zz · commit cb5b15e63c21 · 2018-10-04T09:57:33.000-07:00
Allows for consumers to project extra content into the label of `mat-optgroup`. Currently any content that isn't a `mat-option` won't be rendered. Fixes #11489.
diff --git a/src/lib/core/option/optgroup.html b/src/lib/core/option/optgroup.html
@@ -1,2 +1,2 @@
-<label class="mat-optgroup-label" [id]="_labelId">{{ label }}</label>
+<label class="mat-optgroup-label" [id]="_labelId">{{ label }} <ng-content></ng-content></label>
 <ng-content select="mat-option, ng-container"></ng-content>

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`		`-<label class="mat-optgroup-label" [id]="_labelId">{{ label }}</label>`
	`1`	`+<label class="mat-optgroup-label" [id]="_labelId">{{ label }} <ng-content></ng-content></label>`
`2`	`2`	`<ng-content select="mat-option, ng-container"></ng-content>`