Keli Grubb
0aab29ea72
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Co-authored-by: Madison Grubb <madison@elastiflow.com> Reviewed-on: #5
22 lines
657 B
JavaScript
22 lines
657 B
JavaScript
/**
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* Reactive viewport media query. SSR-safe: defaults to true (mobile) so sidebar closed on first paint.
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* @param {string} query - CSS media query, e.g. '(max-width: 767px)'
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* @returns {import('vue').Ref<boolean>} Ref that is true when the media query matches.
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*/
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export function useMediaQuery(query) {
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const matches = ref(true)
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let mql = null
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const handler = (e) => {
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matches.value = e.matches
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}
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onMounted(() => {
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mql = window.matchMedia(query)
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matches.value = mql.matches
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mql.addEventListener('change', handler)
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})
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onBeforeUnmount(() => {
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if (mql) mql.removeEventListener('change', handler)
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})
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return matches
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}
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