in src/services/coverage-service.ts [28:40]
public async track(category: Category, name: string): Promise<void> {
let map = this.coverage[category];
if (!map) {
map = this.coverage[category] = {};
}
if (!(name in map)) {
map[name] = 0;
}
map[name] += 1;
await this.saveCoverage(category);
}