fix(modal): allow interaction with parent content through sheet modals in child routes#30839
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…s showBackdrop=false in child routes
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The main thing is that I couldn't get the Angular page to interact for me. Please let me know if I just missed something.
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Non-blocking requests. Looks good!
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…onic-team#31202) Issue number: internal --------- ## What is the current behavior? Currently, when an `ion-modal`'s `breakpoints` are set after the component has loaded, `sortedBreakpoints` stays empty. `breakpointsChanged` had no `@Watch`, so it only ran once from the manual call in `componentDidLoad`. `present()` still recalculates `isSheetModal` to `true` from the late-set `breakpoints` (added in ionic-team#30839), so the sheet gesture initializes with an empty breakpoints array and throws `Reduce of empty array with no initial value` on the `breakpoints.reduce(...)` in `sheet.ts` when the sheet is swiped, which breaks swiping entirely. This shows up with framework bindings that land after the web component loads, e.g., an inline `ion-modal` inside an Angular component rendered through a plain `router-outlet` with zoneless change detection. It doesn't reproduce with zone change detection, with `ModalController.create`, or with the modal inside `ion-router-outlet`, since those set `breakpoints` before the modal presents. ## What is the new behavior? <!-- Please describe the behavior or changes that are being added by this PR. --> Now `breakpointsChanged` has `@Watch('breakpoints')`, so `breakpoints` set after the component loads update `sortedBreakpoints`. This mirrors how `trigger`/`triggerChanged` already handles late binding (a watch plus a manual call in `componentDidLoad`). The sheet gesture then gets the real breakpoints and swiping works. ## Does this introduce a breaking change? - [ ] Yes - [X] No ## Other information Sheet modal preview: - https://ionic-framework-git-fix-modal-late-breakpoints-ionic1.vercel.app/src/components/modal/test/sheet Note that the preview won't show *this* working, but will show the modal at least isn't broken from this change. Current dev build: ``` 8.8.10-dev.11781019195.14a7eeaf ```
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Issue number: resolves #30700
What is the current behavior?
When a sheet modal with showBackdrop=false is rendered in a child route (nested ion-router-outlet), the parent content becomes non-interactive. Clicks on buttons or other interactive elements in the parent component are blocked, even though showBackdrop=false should allow background interaction.
Two separate issues contributed to this bug:
backdropBreakpoint: TheshouldLockRootlogic inoverlays.tsdidn't account forbackdropBreakpoint. Modals withbackdropBreakpoint > 0were still locking the root witharia-hidden, even though developers expect background interaction when the modal is below the backdrop breakpoint.ion-page) and its parention-router-outletremain in the DOM withposition: absolutecovering the viewport. Even after the modal is moved toion-appand haspointer-events: none, these wrapper elements block clicks to the parent page's content.This issue stems from #30563, which added root-locking behavior that didn't account for modals that allow background interaction. A partial fix in #30689 partially addressed
showBackdrop=falseandfocusTrap=false, but missedbackdropBreakpoint.What is the new behavior?
Sheet modals with showBackdrop=false or focusTrap=false now correctly allow interaction with parent content when the modal is in a child route.
Improvements:
Does this introduce a breaking change?
Other information
Dev build: