07aa1b2807
* Add test cases for bugs * Fix shadow dom recording When moving an element containing shadow dom When adding an element to shadow dom before its attached to the dom * Apply formatting changes * Refactor in dom checking code * Nodes don't get processed in more than one mutation buffer * Constrain node mutations to one mutation buffer per request animation frame * Make tests less flaky under heavy load * Apply suggestions from code review * Update packages/rrweb-snapshot/test/rebuild.test.ts * Remove unused nodeSet Co-authored-by: Yun Feng <yun.feng0817@gmail.com>
35 lines
864 B
TypeScript
35 lines
864 B
TypeScript
import type MutationBuffer from './mutation';
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/**
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* Keeps a log of nodes that could show up in multiple mutation buffer but shouldn't be handled twice.
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*/
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export default class ProcessedNodeManager {
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private nodeMap: WeakMap<Node, Set<MutationBuffer>> = new WeakMap();
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constructor() {
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this.periodicallyClear();
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}
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private periodicallyClear() {
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requestAnimationFrame(() => {
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this.clear();
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this.periodicallyClear();
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});
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}
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public inOtherBuffer(node: Node, thisBuffer: MutationBuffer) {
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const buffers = this.nodeMap.get(node);
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return (
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buffers && Array.from(buffers).some((buffer) => buffer !== thisBuffer)
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);
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}
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public add(node: Node, buffer: MutationBuffer) {
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this.nodeMap.set(node, (this.nodeMap.get(node) || new Set()).add(buffer));
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}
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private clear() {
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this.nodeMap = new WeakMap();
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}
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}
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