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fix(snack-bar): not applying all panel classes in IE #8578

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merged 1 commit into from
Nov 28, 2017
Merged

fix(snack-bar): not applying all panel classes in IE #8578

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26 changes: 15 additions & 11 deletions src/lib/snack-bar/snack-bar-container.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -105,8 +105,8 @@ export class MatSnackBarContainer extends BasePortalOutlet implements OnDestroy
const element: HTMLElement = this._elementRef.nativeElement;

if (this.snackBarConfig.panelClass || this.snackBarConfig.extraClasses) {
element.classList.add(...this._getCssClasses(this.snackBarConfig.panelClass),
...this._getCssClasses(this.snackBarConfig.extraClasses));
this._setCssClasses(this.snackBarConfig.panelClass);
this._setCssClasses(this.snackBarConfig.extraClasses);
}

if (this.snackBarConfig.horizontalPosition === 'center') {
Expand Down Expand Up @@ -176,15 +176,19 @@ export class MatSnackBarContainer extends BasePortalOutlet implements OnDestroy
});
}

/** Convert the class list to a array of classes it can apply to the dom */
private _getCssClasses(classList: undefined | string | string[]) {
if (classList) {
if (Array.isArray(classList)) {
return classList;
} else {
return [classList];
}
/** Applies the user-specified list of CSS classes to the element. */
private _setCssClasses(classList: undefined|string|string[]) {
if (!classList) {
return;
}

const element = this._elementRef.nativeElement;

if (Array.isArray(classList)) {
// Note that we can't use a spread here, because IE doesn't support multiple arguments.
classList.forEach(cssClass => element.classList.add(cssClass));
} else {
element.classList.add(classList);
}
return [];
}
}