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Use attribute based scoping instead of classes; small optimizaitons #2

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Use attribute based scoping instead of classes; small optimizaitons #2

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02417d8
Twiddle regex; only support me; attr-based scoping
infogulch Oct 4, 2023
c254501
Adjust replace order
infogulch Oct 4, 2023
8049ee2
Combine child and parent css scope attribute assignments
infogulch Oct 4, 2023
2060ca7
Give style node a different dataset node to avoid styles applying to …
infogulch Oct 5, 2023
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Combine child and parent css scope attribute assignments
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@infogulch
infogulch committed Oct 4, 2023
commit 8049ee2b62725a8ae26353d638f295a800e767b0
5 changes: 2 additions & 3 deletions script.js
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Original file line number Diff line number Diff line change
@@ -1,14 +1,13 @@
// 🌘 CSS Scope Inline (https://github.com/gnat/css-scope-inline)
window.cssScopeCount ??= 1 // Let other scripts read the scope count.
window.cssScope ??= new MutationObserver(mutations => { // Allow 1 observer.
document?.body?.querySelectorAll('style:not([scoped-to])').forEach(node => { // Faster than walking MutationObserver results when recieving subtree (DOM swap, htmx, ajax, jquery).
node.parentNode.dataset.cssScope ??= (window.cssScopeCount++)
document?.body?.querySelectorAll('style:not([data-css-scope])').forEach(node => { // Faster than walking MutationObserver results when recieving subtree (DOM swap, htmx, ajax, jquery).
node.dataset.cssScope = node.parentNode.dataset.cssScope ??= (window.cssScopeCount++)
node.textContent = node.textContent
.replace(/((@keyframes\s|animation:|animation-name:)[^{};]*)\bme(?![A-Za-z])/g, `$1css-scope-${node.parentNode.dataset.cssScope}`)
.replace(/(^|[^-\w])me(?![-\w])/g, `$1[data-css-scope='${node.parentNode.dataset.cssScope}']`)
.replace(/(?:@media)\s+(xs-|sm-|md-|lg-|xl-|sm|md|lg|xl|xx)(?![-\w])/g, // Optional responsive design shorthand for @media breakpoints. Mobile First (above breakpoint): 🟢 None sm md lg xl xx 🏁 Desktop First (below breakpoint): 🏁 xs- sm- md- lg- xl- None 🟢
(match, part1) => { return '@media '+({'sm':'(min-width: 640px)','md':'(min-width: 768px)', 'lg':'(min-width: 1024px)', 'xl':'(min-width: 1280px)', 'xx':'(min-width: 1536px)', 'xs-':'(max-width: 639px)', 'sm-':'(max-width: 767px)', 'md-':'(max-width: 1023px)', 'lg-':'(max-width: 1279px)', 'xl-':'(max-width: 1535px)'}[part1]) }
)
node.setAttribute('scoped-to', node.parentNode.dataset.cssScope)
})
}).observe(document.documentElement, {childList: true, subtree: true})