* fix concurency issue at load

* Fix async concurrency error.

Co-authored-by: GoteGuru <monk@geotronic.hu>
This commit is contained in:
Gergely Mészáros, Ph.D 2022-03-31 22:16:04 +02:00 committed by GitHub
parent 4b10b60c69
commit 1384daf6f9
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37
main.js
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@ -172,7 +172,7 @@ landmass.append("rect").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr
oceanPattern.append("rect").attr("fill", "url(#oceanic)").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr("height", graphHeight);
oceanLayers.append("rect").attr("id", "oceanBase").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr("height", graphHeight);
document.addEventListener("DOMContentLoaded", () => {
document.addEventListener("DOMContentLoaded", async () => {
if (!location.hostname) {
const wiki = "https://github.com/Azgaar/Fantasy-Map-Generator/wiki/Run-FMG-locally";
alertMessage.innerHTML = `Fantasy Map Generator cannot run serverless.
@ -194,7 +194,7 @@ document.addEventListener("DOMContentLoaded", () => {
d3.select("#init-rose").transition().duration(4000).style("opacity", 0);
} else {
hideLoading();
checkLoadParameters();
await checkLoadParameters();
}
restoreDefaultEvents(); // apply default viewbox events
});
@ -214,7 +214,7 @@ function showLoading() {
}
// decide which map should be loaded or generated on page load
function checkLoadParameters() {
async function checkLoadParameters() {
const url = new URL(window.location.href);
const params = url.searchParams;
@ -235,32 +235,39 @@ function checkLoadParameters() {
// if there is a seed (user of MFCG provided), generate map for it
if (params.get("seed")) {
WARN && console.warn("Generate map for seed");
generateMapOnLoad();
await generateMapOnLoad();
return;
}
// open latest map if option is active and map is stored
if (onloadMap.value === "saved") {
const loadLastMap = () => new Promise((resolve, reject) => {
ldb.get("lastMap", blob => {
if (blob) {
WARN && console.warn("Load last saved map");
try {
uploadMap(blob);
resolve();
} catch (error) {
ERROR && console.error(error);
WARN && console.warn("Cannot load stored map, random map to be generated");
generateMapOnLoad();
reject(error);
}
} else {
ERROR && console.error("No map stored, random map to be generated");
generateMapOnLoad();
reject("No map stored");
}
});
return;
}
})
})
WARN && console.warn("Generate random map");
generateMapOnLoad();
if (onloadMap.value === "saved") {
try {
await loadLastMap();
} catch(error) {
ERROR && console.error(error);
WARN && console.warn("Cannot load stored map, random map to be generated");
await generateMapOnLoad();
}
} else {
WARN && console.warn("Generate random map");
await generateMapOnLoad();
}
}
async function generateMapOnLoad() {