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improve statistics tree performance

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This commit is contained in:
vcoppe
2025-12-24 12:21:27 +01:00
parent 21f2448213
commit a6a3917986
1 changed files with 15 additions and 6 deletions
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21
website/src/lib/logic/statistics-tree.ts
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@@ -22,25 +22,34 @@ export class GPXStatisticsTree {
}
getStatisticsFor(item: ListItem): GPXStatistics {
let statistics = new GPXStatistics();
let statistics = [];
let id = item.getIdAtLevel(this.level);
if (id === undefined || id === 'waypoints') {
Object.keys(this.statistics).forEach((key) => {
if (this.statistics[key] instanceof GPXStatistics) {
statistics.mergeWith(this.statistics[key]);
statistics.push(this.statistics[key]);
} else {
statistics.mergeWith(this.statistics[key].getStatisticsFor(item));
statistics.push(this.statistics[key].getStatisticsFor(item));
}
});
} else {
let child = this.statistics[id];
if (child instanceof GPXStatistics) {
statistics.mergeWith(child);
statistics.push(child);
} else if (child !== undefined) {
statistics.mergeWith(child.getStatisticsFor(item));
statistics.push(child.getStatisticsFor(item));
}
}
return statistics;
if (statistics.length === 0) {
return new GPXStatistics();
} else if (statistics.length === 1) {
return statistics[0];
} else {
return statistics.reduce((acc, curr) => {
acc.mergeWith(curr);
return acc;
}, new GPXStatistics());
}
}
}
export type GPXFileWithStatistics = { file: GPXFile; statistics: GPXStatisticsTree };