@puregram/scenes/lib/scene-manager.js

Simple implementation of middleware-based scene management for puregram

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SceneManager = void 0;
const contexts_1 = require("./contexts");
const cache_repository_1 = require("./cache-repository");
class SceneManager {
    constructor(rawOptions = {}) {
        this.repository = new cache_repository_1.CacheRepository();
        const options = Array.isArray(rawOptions)
            ? { scenes: rawOptions }
            : rawOptions;
        if (options.scenes) {
            this.addScenes(options.scenes);
        }
    }
    /** Checks for has a scene */
    hasScene(slug) {
        return this.repository.has(slug);
    }
    /** Adds scenes to the repository */
    addScenes(scenes) {
        for (const scene of scenes) {
            this.repository.set(scene.slug, scene);
        }
        return this;
    }
    /** Returns the middleware for embedding */
    get middleware() {
        return (context, next) => {
            context.scene = new contexts_1.SceneContext({
                context,
                repository: this.repository
            });
            return next();
        };
    }
    /** Returns the middleware for intercept */
    get middlewareIntercept() {
        return (context, next) => {
            if (!context.scene.current) {
                return next();
            }
            return context.scene.reenter();
        };
    }
}
exports.SceneManager = SceneManager;