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improve perf of replace

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This commit is contained in:
vcoppe
2024-05-16 11:04:12 +02:00
parent c6ce51d0c1
commit 78d96e3097
1 changed files with 7 additions and 3 deletions
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10
gpx/src/gpx.ts
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@@ -58,9 +58,10 @@ abstract class GPXTreeNode<T extends GPXTreeElement<any>> extends GPXTreeElement
// Producers // Producers
replace(segment: number, start: number, end: number, points: TrackPoint[]) { replace(segment: number, start: number, end: number, points: TrackPoint[]) {
return produce(this, (draft: Draft<GPXTreeNode<T>>) => { return produce(this, (draft: Draft<GPXTreeNode<T>>) => {
let og = getOriginal(draft);
let cumul = 0; let cumul = 0;
for (let i = 0; i < draft.children.length; i++) { for (let i = 0; i < og.children.length; i++) {
let childSegments = draft.children[i].getSegments(); let childSegments = og.children[i].getSegments();
if (segment < cumul + childSegments.length) { if (segment < cumul + childSegments.length) {
draft.children[i] = draft.children[i].replace(segment - cumul, start, end, points); draft.children[i] = draft.children[i].replace(segment - cumul, start, end, points);
break; break;
@@ -411,7 +412,10 @@ export class TrackSegment extends GPXTreeLeaf {
// Producers // Producers
replace(segment: number, start: number, end: number, points: TrackPoint[]) { replace(segment: number, start: number, end: number, points: TrackPoint[]) {
return produce(this, (draft) => { return produce(this, (draft) => {
draft.trkpt.splice(start, end - start + 1, ...points); let og = getOriginal(draft);
let trkpt = og.trkpt.slice();
trkpt.splice(start, end - start + 1, ...points);
draft.trkpt = freeze(trkpt);
}); });
} }