stackoverflow/jsonblob at main · javascript-2020/stackoverflow · GitHub

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function jsonblob(){
//  https://jsonblob.com/api
  var obj   = {};

        var url           = 'https://jsonblob.com/api/jsonBlob/';
        var id;
        var time          = 500;
        var timer;
        var headers       = {'content-type':'application/json'};

        var util          = {};
        util.query        = {};
        obj.util          = {};
  //:
        obj.util.query=async function(){

              var tst     = window.location.search.slice(1);
              if(!tst)return;
              var json    = await read(tst);
              if(!json)return;
              id          = tst;
              return json;

        }//query

        obj.util.query.set=function(){return util.query.set()}
        util.query.set=function(){

              var url       = window.location.toString();
              var search    = window.location.search;
              if(search){
                    url     = url.slice(0,-search.length);
              }
              if(id){
                    url    += '?'+id;
              }
              window.history.replaceState(null,'',url);

        }//set

        obj.util.save=function(json,set=true){return util.save(json,set=true)}
        util.save=async function(json,set=true){

              if(id){
                    await update(id,json);
              }else{
                    await create(json);
              }
              if(set){
                    util.query.set();
              }

        }//save

        obj.util.save.debounce=function(fn){

              clearTimeout(timer);
              var json    = fn();
              timer       = setTimeout(util.save,time,json);

        }//debounce

        obj.util.delete=async function(set=true){

              if(id){
                    var result    = await del(id);
                    if(result){
                          id    = null;
                    }
              }
              if(!set)return;
              util.query.set();

        }//delete

  //:

        obj.create=function(json){return create(json)}
        async function create(json){

              var body    = JSON.stringify(json);
              var res     = await fetch(url,{method:'post',headers,body});
              if(!res.ok)return;
              var loc     = res.headers.get('location');
              var i       = loc.lastIndexOf('/');
              id          = loc.slice(i+1);
              return id;

        }//create

        obj.read=function(id){return read(id)}
        async function read(id){

              var res     = await fetch(url+id);
              if(!res.ok)return;
              var json    = await res.json();
              return json;

        }//read

        obj.update=async function(id,json){return update(id,json)}
        async function update(id,json){

              var body    = JSON.stringify(json);
              var res     = await fetch(url+id,{method:'put',headers,body});
              return res.ok;

        }//update

        obj.delete=function(id){return del(id)}
        async function del(id){

              var res   = await fetch(url+id,{method:'delete'});
              return res.ok;

        }//delete

  return obj;

}//jsonblob