view release on metacpan or  search on metacpan

share/js/02-chunkloader.js  view on Meta::CPAN

try {
  ChunkLoader == undefined;
}
catch(e){
class ChunkLoader extends ScriptLoader {
	constructor(selfSrc){
		super(selfSrc);

    let parts=this.src.split("/");
    parts.pop();
    parts.pop();
    parts.pop();
    parts.pop();
    parts.pop();
    
    
    this.buildRoot=parts.join("/")+"/";
    window.build_root=this.buildRoot;
    //List of objects or callbacks to call as data is being loaded

		this.manifest=[];
    this.path_manifest={};

		this.chunksExpected=100;
		this.chunksLoaded=0;

		this.tags={};
		this.urlQueue=[];
		this.urlMap={};
		this.availableQueue=[];
		this.working=0;
		this.workingLimit=4;
		this.resolver;
		let scope=this;
		this.ready=new Promise((resolve,reject)=>{
			scope.resolver=resolve;
		});
		return this;
	}	

  updateStatus(message,mode){
    //console.log("UPDATE STATUS CALLED");
      let e=new CustomEvent("JPACK_STATUS",{detail: {progress: parseInt(100*this.chunksLoaded/this.chunksExpected), message:message, mode:mode}});
      window.dispatchEvent(e);

  }

	/**
	 * Load the pako.js into worker pool for delfate support
   * This is actaully prencoded (no compression) for dynamic loading
	 */
	bootstrap(){

    // Path is relative to this.buildRoot
    let name="app/jpack/boot/00000000000000000000000000000000/00000000000000000000000000000000.jpack";
    return this.queueChunkScript(name)
      .then((data)=>{
        let decoder=new TextDecoder("utf-8");
        let string=decoder.decode(data);
        return this.pool.addScriptBody(string)
        .then(()=>{
          // Unload scripts
          this.unloadScript(this.buildRoot+name);

          this.chunksLoaded++;
          this.updateStatus("Boot Complete");

          return Promise.resolve();
        });

    });
	}




	//This callback is executed from a chunk script to decode/decompress the data
	//
	decodeData(options, dataFunc){