1 line
1.5 KiB
JavaScript
1 line
1.5 KiB
JavaScript
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import{create_object,is_function,is_object,is_string}from"../common.js";import handler from"./handler.js";let pid=0;function WorkerIndex(a){if(!(this instanceof WorkerIndex))return new WorkerIndex(a);let b;a?is_function(b=a.encode)&&(a.encode=b.toString()):a={};let c=(self||window)._factory;c&&(c=c.toString());const d="undefined"==typeof window&&self.exports,e=this;this.worker=create(c,d,a.worker),this.resolver=create_object();this.worker&&(d?this.worker.on("message",function(a){e.resolver[a.id](a.msg),delete e.resolver[a.id]}):this.worker.onmessage=function(a){a=a.data,e.resolver[a.id](a.msg),delete e.resolver[a.id]},this.worker.postMessage({task:"init",factory:c,options:a}))}export default WorkerIndex;register("add"),register("append"),register("search"),register("update"),register("remove");function register(a){WorkerIndex.prototype[a]=WorkerIndex.prototype[a+"Async"]=function(){const b=this,c=[].slice.call(arguments),d=c[c.length-1];let e;is_function(d)&&(e=d,c.splice(c.length-1,1));const f=new Promise(function(d){setTimeout(function(){b.resolver[++pid]=d,b.worker.postMessage({task:a,id:pid,args:c})})});return e?(f.then(e),this):f}}function create(factory,is_node_js,worker_path){let worker;try{worker=is_node_js?eval("new (require(\"worker_threads\")[\"Worker\"])(__dirname + \"/node/node.js\")"):factory?new Worker(URL.createObjectURL(new Blob(["onmessage="+handler.toString()],{type:"text/javascript"}))):new Worker(is_string(worker_path)?worker_path:"worker/worker.js",{type:"module"})}catch(a){}return worker}
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