@tsparticles/plugin-emitters/esm/EmittersPlugin.js

tsParticles emitters plugin

import { executeOnSingleOrMultiple, isArray, } from "@tsparticles/engine";
import { Emitter } from "./Options/Classes/Emitter.js";
export class EmittersPlugin {
    id = "emitters";
    #instancesManager;
    constructor(instancesManager) {
        this.#instancesManager = instancesManager;
    }
    async getPlugin(container) {
        const { EmittersPluginInstance } = await import("./EmittersPluginInstance.js");
        return new EmittersPluginInstance(this.#instancesManager, container);
    }
    loadOptions(_container, options, source) {
        if (!this.needsPlugin(options) && !this.needsPlugin(source)) {
            return;
        }
        if (source?.emitters) {
            options.emitters = executeOnSingleOrMultiple(source.emitters, emitter => {
                const tmp = new Emitter();
                tmp.load(emitter);
                return tmp;
            });
        }
    }
    needsPlugin(options) {
        if (!options) {
            return false;
        }
        const emitters = options.emitters;
        return (isArray(emitters) && !!emitters.length) || emitters !== undefined;
    }
}