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30 lines
841 B
30 lines
841 B
4 months ago
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import { GraphEvent } from '../constants';
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import { GraphLifeCycleEvent } from '../utils/event';
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export class BatchController {
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constructor(context) {
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this.batchCount = 0;
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this.context = context;
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}
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emit(event) {
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const { graph } = this.context;
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graph.emit(event.type, event);
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}
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startBatch(initiate = true) {
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this.batchCount++;
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if (this.batchCount === 1)
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this.emit(new GraphLifeCycleEvent(GraphEvent.BATCH_START, { initiate }));
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}
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endBatch() {
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this.batchCount--;
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if (this.batchCount === 0)
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this.emit(new GraphLifeCycleEvent(GraphEvent.BATCH_END));
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}
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get isBatching() {
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return this.batchCount > 0;
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}
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destroy() {
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// @ts-ignore
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this.context = null;
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}
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}
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//# sourceMappingURL=batch.js.map
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