44 lines
937 B
JavaScript
44 lines
937 B
JavaScript
const cache=Object.create(null);
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const get=async filename => {
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if(cache[filename]) return cache[filename];
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const req=await fetch('levels/'+filename);
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const json=await req.json();
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return cache[filename]=json;
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};
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const getInfo=(category, id) => {
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const cat=levelList[category];
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id=''+id;
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const displayName=cat.levelDisplay
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.replace(/<n>/g, id)
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.replace(/<l>/g, id.toLowerCase());
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const fileName=cat.levelFilename
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.replace(/<n>/g, id)
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.replace(/<l>/g, id.toLowerCase());
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const levelString=category+'/'+id+'/'+fileName;
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return {
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displayName,
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fileName,
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levelString
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};
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};
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const getRules=async (category, id) => {
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const {fileName}=getInfo(category, id);
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const json=await get(fileName);
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return Object.assign({}, window.levelList[category].rules, json.rules);
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};
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const clearCache=() =>
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Object
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.keys(cache)
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.forEach(key => delete cache[key]);
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return module.exports={
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get, getRules, getInfo,
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clearCache
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};
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