EmulatorJS/data/loader.js

fetch('https://raw.githack.com/ethanaobrien/emulatorjs/main/data/version.json').then(response => {
	if (response.ok) {
		response.text().then(body => {
			var version = JSON.parse(body);
			var usingVersion = '0.4.23-01';
			if (usingVersion != version.current_version) {
				console.log('Using emulatorjs version ' + usingVersion + ' but the newest version is ' + version.current_version);
			};
		});
	};
});

if (! window.EJS_pathtodata) {
	EJS_pathtodata = './'
}
var path2Send = EJS_pathtodata
var finpath = window.location.pathname.split('/').pop();
var finalpath = window.location.pathname.substring(0, window.location.pathname.length - finpath.length);
var split3 = finalpath.split('/')
var split2 = path2Send.split('/')
var split1 = [ ]
for (var i=0; i<split3.length; i++) {
	if (split3[i] != '') {
		split1.push(split3[i])
	}
}
if (! path2Send.startsWith('/') && path2Send.split('://').length == 1 && path2Send.split('http:').length == 1 && path2Send.split('https:').length == 1) {
	for (var w=0; w<split2.length; w++) {
		if (split2[w] == '' || split2[w] == '.') {
		} else if (split2[w] == '..') {
			if (split1.length > 0) {
			var split1 = split1.splice(-1,1)
		}
		} else {
			split1.push(split2[w])
		}
	}
	var path2Send = split1.join('/')
	if (! path2Send.startsWith('/')) {
		var path2Send = '/' + path2Send
	}
	path2Send = window.location.protocol + '//' + window.location.host + path2Send
	EJS_pathtodata = path2Send
}
if (EJS_pathtodata.startsWith('/')) {
	EJS_pathtodata = window.location.protocol + '//' + window.location.host + path2Send
}

if (!EJS_pathtodata.endsWith('/')) {
	EJS_pathtodata = EJS_pathtodata+'/'
}
console.log('Path to data is set to ' + EJS_pathtodata)


window.getHeadGameInfo = function(normalFunc, url) {
	if (! url.startsWith('blob:')) {
		return normalFunc(url, {})
	} else {
		window.addEventListener("beforeunload", function(event) {indexedDB.deleteDatabase('ejs-roms');indexedDB.deleteDatabase('ejs-romsdata');});
		return async function() {
			//console.log('blob url')
			var a = await fetch(url)
			var a = await a.blob()
			return {headers:{'content-length': a.size, 'content-type': 'text/plain'}}
		}();
	}
}

window.readAsBufferrr = function(fileBlob) {
    return new Promise(function(resolve, reject) {
        var reader = new FileReader()
        reader.onload = function(e) {
            resolve(e.target.result)
        }
        reader.readAsArrayBuffer(fileBlob)
    })
}

window.EJS_loadStateFromURL = async function() {
    if (! EJS_loadStateURL) {return}
    var a = await fetch(EJS_loadStateURL)
    var a = await a.blob()
    var a = await readAsBufferrr(a)
    var a = new Uint8Array(a)
    EJS_loadState(a)
}



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