word-vault/dist/services/collection/getTotalCardsByDifficulty.js

A lightweight JavaScript package for English word definitions and collections.

import { getAllCollections } from "./getAllCollections.js";
export function getTotalCardsByDifficulty() {
    const allCollections = getAllCollections();
    const totalCounts = {
        A1: 0,
        A2: 0,
        B1: 0,
        B2: 0,
        C1: 0,
        C2: 0,
    };
    if (!allCollections) {
        return totalCounts;
    }
    for (const collection of allCollections) {
        if (collection?.totalCardsByDifficulty) {
            for (const difficulty of Object.keys(collection.totalCardsByDifficulty)) {
                const key = difficulty;
                const difficultyCount = collection.totalCardsByDifficulty?.[key];
                if (difficultyCount) {
                    totalCounts[key] += difficultyCount;
                }
            }
        }
    }
    return totalCounts;
}