not able to use ng-container within mat-grid-list

[tbnovaes]

Bug, feature request, or proposal:

Allow ng-container to work inside mat-grid-list

What is the expected behavior?

Being able to use ng-container inside mat-list-grid, so it would allow to have ngSwitch or *ngFor doing some logic before creating the item.

What is the current behavior?

If you try to add ng-container nothing is rendered.

What are the steps to reproduce?

1 - Create a mat-grid-list
2 - Add ng-container with ngFor or ngSwitch
3 - Add the mat-grid-tile, and nothing is rendered

https://stackblitz.com/edit/angular-material2-issue-8vvb8z

What is the use-case or motivation for changing an existing behavior?

Being able to generate a dashboard dynamically based on the type of component you need to load, and use breakpointObserver to define the number of columns based on the type of the widget.

For example:
widget 1 loads a map
widget 2 loads a random number of charts, where it chart should be a tile

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Angular 6.1.2
Angular Material 6.4.5
macOS 10.13.6
Typescript 2.9.2
All Browsers

[geromegrignon]

mat-grid-list is an host element, you shouldn't rely on ng-container for your structural directives and use them directly in mat-grid-list balise tag.

<mat-grid-list cols="6" rowHeight="350px" *ngFor="let card of cards" [ngSwitch]="card.type">

[tbnovaes]

@geromegrignon Yes I understand, but I still think that limiting it to accept only mat-grid-tile as its child, does not allow too much flexibility on a more complex view. And while I could use flex-layout to achieve the responsive the design I need, it would not be as easy to maintain as using the grid.

[FirstVertex]

Please reopen this issue. It is not fixed in @angular/material@7.1.1

See my Stackblitz link here: https://stackblitz.com/edit/angular-material2-issue-zdxvqh

I try to use ng-container with ng-template because i want to transclude the content instead of having that as a string.

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