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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| export function linkGc() { | ||
| // TODO-APP: Remove this logic when Float has GC built-in in development. | ||
| if (process.env.NODE_ENV !== 'production') { | ||
| const callback = (mutationList: MutationRecord[]) => { | ||
| for (const mutation of mutationList) { | ||
| if (mutation.type === 'childList') { | ||
| for (const node of mutation.addedNodes) { | ||
| if ( | ||
| 'tagName' in node && | ||
| (node as HTMLLinkElement).tagName === 'LINK' | ||
| ) { | ||
| const link = node as HTMLLinkElement | ||
| if (link.dataset.precedence === 'next.js') { | ||
| const href = link.getAttribute('href') | ||
| if (href) { | ||
| const [resource, version] = href.split('?v=') | ||
| if (version) { | ||
| const allLinks = document.querySelectorAll( | ||
| `link[href^="${resource}"]` | ||
| ) as NodeListOf<HTMLLinkElement> | ||
| for (const otherLink of allLinks) { | ||
| if (otherLink.dataset.precedence === 'next.js') { | ||
| const otherHref = otherLink.getAttribute('href') | ||
| if (otherHref) { | ||
| const [, otherVersion] = otherHref.split('?v=') | ||
| if (!otherVersion || +otherVersion < +version) { | ||
| otherLink.remove() | ||
| const preloadLink = document.querySelector( | ||
| `link[rel="preload"][as="style"][href="${otherHref}"]` | ||
| ) | ||
| if (preloadLink) { | ||
| preloadLink.remove() | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Create an observer instance linked to the callback function | ||
| const observer = new MutationObserver(callback) | ||
| observer.observe(document.head, { | ||
| childList: true, | ||
| }) | ||
| } | ||
| } |