workermain.js

'use strict';{let hasInitialised=false;let runtime=null;self.addEventListener("message",e=>{const data=e.data;const type=data["type"];if(type==="init-runtime")InitRuntime(data);else throw new Error(`unknown message '${type}'`);});async function LoadScripts(scriptsArr){importScripts(...scriptsArr)}async function InitRuntime(data){if(hasInitialised)throw new Error("already initialised");hasInitialised=true;const baseUrl=data["baseUrl"];self.devicePixelRatio=data["devicePixelRatio"];const workerDependencyScripts=
data["workerDependencyScripts"].map(urlOrBlob=>{let url=urlOrBlob;if(urlOrBlob instanceof Blob)url=URL.createObjectURL(urlOrBlob);else url=(new URL(url,baseUrl)).toString();return url});const runOnStartupFunctions=[];self.runOnStartup=function runOnStartup(f){if(typeof f!=="function")throw new Error("runOnStartup called without a function");runOnStartupFunctions.push(f)};const engineScripts=data["engineScripts"].map(url=>(new URL(url,baseUrl)).toString());try{await LoadScripts([...workerDependencyScripts,
...engineScripts])}catch(err){console.error("[C3 runtime] Failed to load all engine scripts in worker: ",err);return}const projectScripts=data["projectScripts"];if(projectScripts&&projectScripts.length>0){const scriptsStatus=data["projectScriptsStatus"];self["C3_ProjectScriptsStatus"]=scriptsStatus;try{await LoadScripts(projectScripts.map(e=>e[1]))}catch(err){console.error("[Preview] Error loading project scripts: ",err);ReportProjectScriptError(projectScripts,scriptsStatus,data["messagePort"]);return}}data["runOnStartupFunctions"]=
runOnStartupFunctions;if(data["exportType"]==="preview"&&typeof self.C3.ScriptsInEvents!=="object"){const msg="Failed to load JavaScript code used in events. Check all your JavaScript code has valid syntax.";console.error("[C3 runtime] "+msg);data["messagePort"].postMessage({"type":"alert","message":msg});return}data["messagePort"].postMessage({"type":"creating-runtime"});runtime=self["C3_CreateRuntime"](data);await self["C3_InitRuntime"](runtime,data)}async function ReportProjectScriptError(projectScripts,
scriptsStatus,messagePort){let msg;for(const [originalUrl,src]of projectScripts){if(scriptsStatus[originalUrl])continue;try{await LoadScripts([src])}catch(err){if(originalUrl==="scriptsInEvents.js")msg="Failed to load JavaScript code used in events. Check all your JavaScript code has valid syntax.";else msg=`Failed to load project script '${originalUrl}'. Check all your JavaScript code has valid syntax.`;console.error("[Preview] "+msg,err);messagePort.postMessage({"type":"alert","message":msg});return}}}
};