Skip to content

WIP Fixed observer pool for hooks #153

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Aug 4, 2020
Merged

WIP Fixed observer pool for hooks #153

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 9 additions & 5 deletions src/observer.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,14 +66,18 @@ export function callback(
export function createObserver(
options: IntersectionObserverInit
): IntersectionObserver {
return getPooled(options) || new IntersectionObserver(callback, options);
}
const pooled = getPooled(options);

export function observeElement(element: Instance) {
if (!observerElementsMap.has(element.observer)) {
observerElementsMap.set(element.observer, new Set<Instance>());
if (pooled) {
return pooled;
}

const observer = new IntersectionObserver(callback, options);
observerElementsMap.set(observer, new Set<Instance>());
return observer;
}

export function observeElement(element: Instance) {
observerElementsMap.get(element.observer)?.add(element);
element.observer!.observe(element.target!);
}
Expand Down