yukinovel/dist/core/SaveManager.js

Yukinovel is a simple web visual novel engine.

export class SaveManager {
    constructor() {
        this.storageKey = 'yukinovel_saves';
    }
    // Save game state
    save(slot, state) {
        try {
            const saves = this.getAllSaves();
            saves[slot] = {
                ...state,
                savedAt: new Date()
            };
            localStorage.setItem(this.storageKey, JSON.stringify(saves));
        }
        catch (error) {
            console.error('Failed to save game:', error);
        }
    }
    // Load game state
    load(slot) {
        try {
            const saves = this.getAllSaves();
            const savedState = saves[slot];
            if (savedState) {
                // Convert savedAt string back to Date
                if (savedState.savedAt) {
                    savedState.savedAt = new Date(savedState.savedAt);
                }
                return savedState;
            }
            return null;
        }
        catch (error) {
            console.error('Failed to load game:', error);
            return null;
        }
    }
    // Get all saves
    getAllSaves() {
        try {
            const saves = localStorage.getItem(this.storageKey);
            return saves ? JSON.parse(saves) : {};
        }
        catch (error) {
            console.error('Failed to get saves:', error);
            return {};
        }
    }
    // Delete save
    deleteSave(slot) {
        try {
            const saves = this.getAllSaves();
            delete saves[slot];
            localStorage.setItem(this.storageKey, JSON.stringify(saves));
        }
        catch (error) {
            console.error('Failed to delete save:', error);
        }
    }
    // Check if save exists
    hasSave(slot) {
        const saves = this.getAllSaves();
        return saves[slot] !== undefined;
    }
    // Get save info
    getSaveInfo(slot) {
        const saves = this.getAllSaves();
        const save = saves[slot];
        if (save) {
            return {
                savedAt: new Date(save.savedAt || new Date()),
                currentScene: save.currentScene
            };
        }
        return null;
    }
    // Clear all saves
    clearAllSaves() {
        try {
            localStorage.removeItem(this.storageKey);
        }
        catch (error) {
            console.error('Failed to clear saves:', error);
        }
    }
}