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perf(editor): optimize the search for the closest element (#9587)

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Closes: [BS-2275](https://linear.app/affine-design/issue/BS-2275/拖拽-indicator-查找优化)
This commit is contained in:
fundon
2025-01-10 08:21:10 +00:00
parent 18ff7500c8
commit 0b3dba614d
11 changed files with 211 additions and 187 deletions
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blocksuite/affine/shared/src/utils/dom/point-to-block.ts
+5 -6
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@@ -146,8 +146,8 @@ export function getClosestBlockComponentByPoint(
}
}
} else {
// Indented paragraphs or list
bounds = getRectByBlockComponent(element);
// Indented paragraphs or list
childBounds = element
.querySelector('.affine-block-children-container')
?.firstElementChild?.getBoundingClientRect();
@@ -263,8 +263,8 @@ export function getClosestBlockComponentByElement(
* https://github.com/toeverything/blocksuite/pull/1121
*/
export function getRectByBlockComponent(element: Element | BlockComponent) {
if (isDatabase(element)) return element.getBoundingClientRect();
return (element.firstElementChild ?? element).getBoundingClientRect();
if (!isDatabase(element)) element = element.firstElementChild ?? element;
return element.getBoundingClientRect();
}
/**
@@ -303,9 +303,8 @@ function findBlockComponent(elements: Element[], parent?: Element) {
if (hasBlockId(element) && isBlock(element)) return element;
if (isImage(element)) {
const element = elements[i];
if (i < len && hasBlockId(element) && isBlock(element)) {
return elements[i];
}
if (!element) return null;
if (hasBlockId(element) && isBlock(element)) return element;
return getClosestBlockComponentByElement(element);
}
}