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fix: prevent infinite resize loop when footer_links=[] on HuggingFace Spaces #13017

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fix: prevent infinite resize loop when footer_links=[] on HuggingFace Spaces #13017

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9 changes: 9 additions & 0 deletions js/core/src/Blocks.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -400,6 +400,15 @@

function handle_resize(): void {
if ("parentIFrame" in window) {
// When fill_height is active and footer is absent, skip resizing
// the parent iframe. fill_height means "fill available space", so
// asking the parent to resize creates a feedback loop: resize →
// iframe grows → content grows → resize again → infinite.
// The footer normally acts as a stable height anchor that breaks
// this loop, but with footer_links=[] it's removed from the DOM.
// See: gradio-app/gradio#12992
if (fill_height && footer_height === 0) return;

const box = root_container.children[0].getBoundingClientRect();
if (!box) return;
window.parentIFrame?.size(box.bottom + footer_height + 32);
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