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feat: optimize stats dashboard data and components

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This commit is contained in:
Kyle Yasuda
2026-03-17 00:48:56 -07:00
parent 11710f20db
commit 390ae1b2f2
24 changed files with 837 additions and 174 deletions
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28
stats/src/lib/dashboard-data.ts
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@@ -5,7 +5,7 @@ import type {
StreakCalendarDay,
VocabularyEntry,
} from '../types/stats';
import { epochDayToDate, localDayFromMs } from './formatters';
import { epochDayToDate, epochMsFromDbTimestamp, localDayFromMs } from './formatters';
export interface ChartPoint {
label: string;
@@ -47,6 +47,10 @@ export interface VocabularySummary {
recentDiscoveries: VocabularyEntry[];
}
function normalizeDbTimestampSeconds(ts: number): number {
return Math.floor(epochMsFromDbTimestamp(ts) / 1000);
}
function makeRollupLabel(value: number): string {
if (value > 100_000) {
const year = Math.floor(value / 100);
@@ -135,6 +139,8 @@ export function buildOverviewSummary(
const sessionCards = sumBy(overview.sessions, (session) => session.cardsMined);
const rollupCards = sumBy(aggregated, (row) => row.cards);
const lifetimeCards = overview.hints.totalCards ?? Math.max(sessionCards, rollupCards);
const totalActiveMin = overview.hints.totalActiveMin ?? sumBy(aggregated, (row) => row.activeMin);
let streakDays = 0;
const streakStart = daysWithActivity.has(today) ? today : today - 1;
@@ -155,8 +161,8 @@ export function buildOverviewSummary(
sumBy(todaySessions, (session) => session.cardsMined),
),
streakDays,
allTimeHours: Math.round(sumBy(aggregated, (row) => row.activeMin) / 60),
totalTrackedCards: Math.max(sessionCards, rollupCards),
allTimeHours: Math.max(0, Math.round(totalActiveMin / 60)),
totalTrackedCards: lifetimeCards,
episodesToday: overview.hints.episodesToday ?? 0,
activeAnimeCount: overview.hints.activeAnimeCount ?? 0,
totalEpisodesWatched: overview.hints.totalEpisodesWatched ?? 0,
@@ -170,7 +176,7 @@ export function buildOverviewSummary(
)
: 0,
totalSessions: overview.hints.totalSessions,
activeDays: daysWithActivity.size,
activeDays: overview.hints.activeDays ?? daysWithActivity.size,
recentWatchTime: aggregated
.slice(-14)
.map((row) => ({ label: row.label, value: row.activeMin })),
@@ -202,14 +208,18 @@ export function buildVocabularySummary(
const byDay = new Map<number, number>();
for (const word of words) {
const day = Math.floor(word.firstSeen / 86_400);
const firstSeenSec = normalizeDbTimestampSeconds(word.firstSeen);
const day = Math.floor(firstSeenSec / 86_400);
byDay.set(day, (byDay.get(day) ?? 0) + 1);
}
return {
uniqueWords: words.length,
uniqueKanji: kanji.length,
newThisWeek: words.filter((word) => word.firstSeen >= weekAgoSec).length,
newThisWeek: words.filter((word) => {
const firstSeenSec = normalizeDbTimestampSeconds(word.firstSeen);
return firstSeenSec >= weekAgoSec;
}).length,
topWords: [...words]
.sort((left, right) => right.frequency - left.frequency)
.slice(0, 12)
@@ -222,7 +232,11 @@ export function buildVocabularySummary(
value: count,
})),
recentDiscoveries: [...words]
.sort((left, right) => right.firstSeen - left.firstSeen)
.sort((left, right) => {
const leftFirst = normalizeDbTimestampSeconds(left.firstSeen);
const rightFirst = normalizeDbTimestampSeconds(right.firstSeen);
return rightFirst - leftFirst;
})
.slice(0, 8),
};
}