fix(stats): report complete vocabulary totals and new-word history (#202)

This commit is contained in:
2026-08-18 00:42:46 -07:00
committed by GitHub
parent 273652f781
commit 7de73e16a1
38 changed files with 2995 additions and 85 deletions
@@ -1,6 +1,4 @@
import type { DatabaseSync } from './sqlite';
import { PartOfSpeech, type MergedToken } from '../../../types';
import { shouldExcludeTokenFromVocabularyPersistence } from '../tokenizer/annotation-stage';
import type {
KanjiAnimeAppearanceRow,
KanjiDetailRow,
@@ -13,19 +11,38 @@ import type {
SimilarWordRow,
StatsExcludedWordRow,
VocabularyStatsRow,
VocabularyStatsSummary,
WordAnimeAppearanceRow,
WordDetailRow,
WordOccurrenceRow,
} from './types';
import { fromDbTimestamp, toDbTimestamp } from './query-shared';
import { nowMs } from './time';
import {
areLexicalDailyRollupsReady,
getLexicalDailyRollups,
localEpochDaySql,
} from './lexical-rollups';
import { isVocabularyStatsRowVisible } from './vocabulary-visibility';
const VOCABULARY_STATS_FILTER_OVERSAMPLE_FACTOR = 4;
const VOCABULARY_STATS_FILTER_OVERSAMPLE_MIN = 100;
const VOCABULARY_CHART_LIMIT = 12;
const VOCABULARY_CHART_PAGE_SIZE = 100;
const EXCLUSION_ALIAS_BATCH_SIZE = 300;
const VOCABULARY_SUMMARY_SCAN_BATCH_SIZE = 5_000;
const SENTENCE_SEARCH_DEFAULT_LIMIT = 50;
const SENTENCE_SEARCH_MAX_LIMIT = 100;
const KANJI_PATTERN = /\p{Script=Han}/gu;
export interface VocabularyChartData {
ready: boolean;
topWords: Array<{ wordId: number; headword: string; frequency: number }>;
topWordsWithoutNames: Array<{ wordId: number; headword: string; frequency: number }>;
newWordsTimeline: Array<{ epochDay: number; wordCount: number }>;
newWordsTimelineWithoutNames: Array<{ epochDay: number; wordCount: number }>;
}
function resolveSentenceSearchLimit(limit: number): number {
if (!Number.isFinite(limit)) return SENTENCE_SEARCH_DEFAULT_LIMIT;
const normalized = Math.floor(limit);
@@ -73,33 +90,6 @@ function uniqueKanji(text: string): string[] {
return Array.from(new Set(text.match(KANJI_PATTERN) ?? []));
}
function toVocabularyToken(row: VocabularyStatsRow): MergedToken {
const partOfSpeech =
row.partOfSpeech && Object.values(PartOfSpeech).includes(row.partOfSpeech as PartOfSpeech)
? (row.partOfSpeech as PartOfSpeech)
: PartOfSpeech.other;
return {
surface: row.word,
reading: row.reading ?? '',
headword: row.headword,
startPos: 0,
endPos: row.word.length,
partOfSpeech,
pos1: row.pos1 ?? '',
pos2: row.pos2 ?? '',
pos3: row.pos3 ?? '',
frequencyRank: row.frequencyRank ?? undefined,
isMerged: false,
isKnown: false,
isNPlusOneTarget: false,
};
}
function isVocabularyStatsRowVisible(row: VocabularyStatsRow): boolean {
return !shouldExcludeTokenFromVocabularyPersistence(toVocabularyToken(row));
}
export function getVocabularyStats(
db: DatabaseSync,
limit = 100,
@@ -153,6 +143,198 @@ export function getVocabularyStats(
return visibleRows.slice(0, limit);
}
/**
* Chart data is intentionally independent of the paginated vocabulary tables.
* Top words use the frequency index; new-word history reads permanent daily
* lexical rollups rather than loading every vocabulary row into the dashboard.
*/
export function getVocabularyChartData(db: DatabaseSync): VocabularyChartData {
const ready = areLexicalDailyRollupsReady(db);
const excludedAliases = new Set(
getStatsExcludedWords(db).flatMap((word) => excludedVocabularyAliases(word)),
);
const isExcluded = (word: Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading'>): boolean =>
excludedVocabularyAliases(word).some((alias) => excludedAliases.has(alias));
const topWords = getTopVocabularyChartWords(db, isExcluded);
const rollups = ready ? getLexicalDailyRollups(db) : [];
const timeline = new Map(rollups.map((row) => [row.epochDay, { ...row }]));
if (excludedAliases.size > 0 && ready) {
const aliases = [...excludedAliases];
const excludedRows = new Map<
number,
Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading' | 'pos2'> & {
wordId: number;
epochDay: number;
}
>();
for (let offset = 0; offset < aliases.length; offset += EXCLUSION_ALIAS_BATCH_SIZE) {
const batch = aliases.slice(offset, offset + EXCLUSION_ALIAS_BATCH_SIZE);
const placeholders = batch.map(() => '?').join(', ');
const rows = db
.prepare(
`
SELECT id AS wordId, headword, word, reading, pos2,
${localEpochDaySql('first_seen')} AS epochDay
FROM imm_words
WHERE vocabulary_visible = 1
AND (headword IN (${placeholders}) OR word IN (${placeholders}) OR reading IN (${placeholders}))
`,
)
.all(...batch, ...batch, ...batch) as Array<
Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading' | 'pos2'> & {
wordId: number;
epochDay: number;
}
>;
for (const row of rows) excludedRows.set(row.wordId, row);
}
for (const word of excludedRows.values()) {
if (!isExcluded(word)) continue;
const rollup = timeline.get(word.epochDay);
if (!rollup) continue;
rollup.wordCount -= 1;
if (word.pos2 !== '固有名詞') rollup.wordCountWithoutNames -= 1;
}
}
return {
ready,
topWords: topWords.all.map((word) => ({
wordId: word.wordId,
headword: vocabularyDisplayHeadword(word),
frequency: word.frequency,
})),
topWordsWithoutNames: topWords.withoutNames.map((word) => ({
wordId: word.wordId,
headword: vocabularyDisplayHeadword(word),
frequency: word.frequency,
})),
newWordsTimeline: [...timeline.values()]
.filter((row) => row.wordCount > 0)
.map((row) => ({ epochDay: row.epochDay, wordCount: row.wordCount })),
newWordsTimelineWithoutNames: [...timeline.values()]
.filter((row) => row.wordCountWithoutNames > 0)
.map((row) => ({ epochDay: row.epochDay, wordCount: row.wordCountWithoutNames })),
};
}
function getTopVocabularyChartWords(
db: DatabaseSync,
isExcluded: (word: Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading'>) => boolean,
): { all: VocabularyStatsRow[]; withoutNames: VocabularyStatsRow[] } {
const stmt = db.prepare(`
SELECT id AS wordId, headword, word, reading,
part_of_speech AS partOfSpeech, pos1, pos2, pos3,
frequency, frequency_rank AS frequencyRank,
first_seen AS firstSeen, last_seen AS lastSeen,
0 AS animeCount
FROM imm_words
ORDER BY frequency DESC, id
LIMIT ? OFFSET ?
`);
const all: VocabularyStatsRow[] = [];
const withoutNames: VocabularyStatsRow[] = [];
let offset = 0;
while (all.length < VOCABULARY_CHART_LIMIT || withoutNames.length < VOCABULARY_CHART_LIMIT) {
const page = stmt.all(VOCABULARY_CHART_PAGE_SIZE, offset) as VocabularyStatsRow[];
if (page.length === 0) break;
for (const word of page) {
if (!isVocabularyStatsRowVisible(word) || isExcluded(word)) continue;
if (all.length < VOCABULARY_CHART_LIMIT) all.push(word);
if (word.pos2 !== '固有名詞' && withoutNames.length < VOCABULARY_CHART_LIMIT) {
withoutNames.push(word);
}
}
offset += page.length;
}
return { all, withoutNames };
}
function excludedVocabularyAliases(
word: Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading'>,
): string[] {
const aliases = [word.headword?.trim() ?? '', word.word?.trim() ?? ''].filter(Boolean);
if (aliases.length === 0) aliases.push(word.reading?.trim() ?? '');
return [...new Set(aliases)];
}
function vocabularyDisplayHeadword(
word: Pick<VocabularyStatsRow, 'headword' | 'word' | 'reading'>,
): string {
return word.headword?.trim() || word.word?.trim() || word.reading?.trim() || '';
}
function timestampSeconds(timestamp: number): number {
return timestamp < 10_000_000_000 ? timestamp : Math.floor(timestamp / 1000);
}
export function getVocabularySummary(
db: DatabaseSync,
knownWords: ReadonlySet<string> | null,
nowMs: number = Date.now(),
scanBatchSize: number = VOCABULARY_SUMMARY_SCAN_BATCH_SIZE,
): VocabularyStatsSummary {
// Visibility and exclusion rules live in JS, so rows are scanned in id-keyed
// batches to keep memory bounded on large vocabularies.
const scanStmt = db.prepare(`
SELECT id AS wordId, headword, word, reading,
part_of_speech AS partOfSpeech, pos1, pos2, pos3,
frequency, frequency_rank AS frequencyRank,
first_seen AS firstSeen, last_seen AS lastSeen,
0 AS animeCount
FROM imm_words
WHERE id > ?
ORDER BY id
LIMIT ?
`);
const excludedAliases = new Set(
getStatsExcludedWords(db).flatMap((word) => excludedVocabularyAliases(word)),
);
const weekAgoSec = nowMs / 1000 - 7 * 86_400;
const summary: VocabularyStatsSummary = {
uniqueWords: 0,
uniqueWordsWithoutNames: 0,
uniqueKanji: (db.prepare('SELECT COUNT(*) AS count FROM imm_kanji').get() as { count: number })
.count,
newThisWeek: 0,
newThisWeekWithoutNames: 0,
knownWordCount: knownWords ? 0 : null,
knownWordCountWithoutNames: knownWords ? 0 : null,
};
let lastId = Number.MIN_SAFE_INTEGER;
for (;;) {
const words = scanStmt.all(lastId, scanBatchSize) as VocabularyStatsRow[];
if (words.length === 0) break;
lastId = words[words.length - 1]!.wordId;
for (const word of words) {
if (
!isVocabularyStatsRowVisible(word) ||
excludedVocabularyAliases(word).some((alias) => excludedAliases.has(alias))
) {
continue;
}
const isName = word.pos2 === '固有名詞';
const isNewThisWeek = timestampSeconds(fromDbTimestamp(word.firstSeen) ?? 0) >= weekAgoSec;
const isKnown = knownWords?.has(vocabularyDisplayHeadword(word)) ?? false;
summary.uniqueWords += 1;
if (!isName) summary.uniqueWordsWithoutNames += 1;
if (isNewThisWeek) {
summary.newThisWeek += 1;
if (!isName) summary.newThisWeekWithoutNames += 1;
}
if (isKnown) {
summary.knownWordCount! += 1;
if (!isName) summary.knownWordCountWithoutNames! += 1;
}
}
if (words.length < scanBatchSize) break;
}
return summary;
}
export function getStatsExcludedWords(db: DatabaseSync): StatsExcludedWordRow[] {
return db
.prepare(