How to always collapse split pane menu panel

When I use the split pane with a menu in the left side, resizing the device (or browser window) shows and collapses the menu based on breakpoints (it appears its auto-collapsed below 768px width.

How do I disable this? I want it to always be collapsed unless the user taps the menuToggle button.


When I open the app on a small device the menu starts collapsed. Tapping the menuToggle button opens it.

When I open the app on a larger device the menu starts expanded and the menuToggle button never displays.

I want ALL device sizes to behave like small devices.

I see nothing that allows me to configure this behavior.

Never mind. I finally found it in the component’s inline docs.

<ion-split-pane [when]=“false”>

That will always collapse the sidebar on app startup.

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What would be the programmatic equivalent of [when]=“false”?

Answering my own question: according to

[when] can take a method like so:

<ion-split-pane [when]="shouldShow()">
class MyClass {
      return true
    } else {
      return false