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27 lines
625 B
TypeScript
27 lines
625 B
TypeScript
/**
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* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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const body = document.body
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const footer = document.querySelector('footer')
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let prevHeight = footer?.offsetHeight
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const onResize: ResizeObserverCallback = (entries) => {
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for (const entry of entries) {
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const height = entry.contentRect.height
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if (height === prevHeight) {
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return
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}
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prevHeight = height
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body.style.setProperty('--footer-height', `${height}px`)
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}
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}
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if (footer) {
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new ResizeObserver(onResize)
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.observe(footer, {
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box: 'border-box', // <footer> is border-box
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})
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}
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