units.js

var createMyModule = (() => {
    var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
    if (typeof __filename !== 'undefined') _scriptDir ||= __filename;
    return (
        function(moduleArg = {}) {
            function require(name) {}
            
            var Module = moduleArg;
            var readyPromiseResolve, readyPromiseReject;
            Module["ready"] = new Promise((resolve, reject) => {
                readyPromiseResolve = resolve;
                readyPromiseReject = reject
            });
            if (!Module.expectedDataFileDownloads) {
                Module.expectedDataFileDownloads = 0
            }
            Module.expectedDataFileDownloads++;
            (function() {
                if (Module["ENVIRONMENT_IS_PTHREAD"] || Module["$ww"]) return;
                var loadPackage = function(metadata) {
                    var PACKAGE_PATH = "";
                    if (typeof window === "object") {
                        PACKAGE_PATH = window["encodeURIComponent"](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf("/")) + "/")
                    } else if (typeof process === "undefined" && typeof location !== "undefined") {
                        PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf("/")) + "/")
                    }
                    var PACKAGE_NAME = "units.lib.data";
                    var REMOTE_PACKAGE_BASE = "units.lib.data";
                    if (typeof Module["locateFilePackage"] === "function" && !Module["locateFile"]) {
                        Module["locateFile"] = Module["locateFilePackage"];
                        err("warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)")
                    }
                    var REMOTE_PACKAGE_NAME = Module["locateFile"] ? Module["locateFile"](REMOTE_PACKAGE_BASE, "") : REMOTE_PACKAGE_BASE;
                    var REMOTE_PACKAGE_SIZE = metadata["remote_package_size"];

                    function fetchRemotePackage(packageName, packageSize, callback, errback) {
                        if (typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string") {
                            require("fs").readFile(packageName, function(err, contents) {
                                if (err) {
                                    errback(err)
                                } else {
                                    callback(contents.buffer)
                                }
                            });
                            return
                        }
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", packageName, true);
                        xhr.responseType = "arraybuffer";
                        xhr.onprogress = function(event) {
                            var url = packageName;
                            var size = packageSize;
                            if (event.total) size = event.total;
                            if (event.loaded) {
                                if (!xhr.addedTotal) {
                                    xhr.addedTotal = true;
                                    if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
                                    Module.dataFileDownloads[url] = {
                                        loaded: event.loaded,
                                        total: size
                                    }
                                } else {
                                    Module.dataFileDownloads[url].loaded = event.loaded
                                }
                                var total = 0;
                                var loaded = 0;
                                var num = 0;
                                for (var download in Module.dataFileDownloads) {
                                    var data = Module.dataFileDownloads[download];
                                    total += data.total;
                                    loaded += data.loaded;
                                    num++
                                }
                                total = Math.ceil(total * Module.expectedDataFileDownloads / num);
                                if (Module["setStatus"]) Module["setStatus"](`Downloading data... (${loaded}/${total})`)
                            } else if (!Module.dataFileDownloads) {
                                if (Module["setStatus"]) Module["setStatus"]("Downloading data...")
                            }
                        };
                        xhr.onerror = function(event) {
                            throw new Error("NetworkError for: " + packageName)
                        };
                        xhr.onload = function(event) {
                            if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || xhr.status == 0 && xhr.response) {
                                var packageData = xhr.response;
                                callback(packageData)
                            } else {
                                throw new Error(xhr.statusText + " : " + xhr.responseURL)
                            }
                        };
                        xhr.send(null)
                    }

                    function handleError(error) {
                        console.error("package error:", error)
                    }
                    var fetchedCallback = null;
                    var fetched = Module["getPreloadedPackage"] ? Module["getPreloadedPackage"](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
                    if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
                        if (fetchedCallback) {
                            fetchedCallback(data);
                            fetchedCallback = null
                        } else {
                            fetched = data
                        }
                    }, handleError);

                    function runWithFS() {
                        function assert(check, msg) {
                            if (!check) throw msg + (new Error).stack
                        }

                        function DataRequest(start, end, audio) {
                            this.start = start;
                            this.end = end;
                            this.audio = audio
                        }
                        DataRequest.prototype = {
                            requests: {},
                            open: function(mode, name) {
                                this.name = name;
                                this.requests[name] = this;
                                Module["addRunDependency"](`fp ${this.name}`)
                            },
                            send: function() {},
                            onload: function() {
                                var byteArray = this.byteArray.subarray(this.start, this.end);
                                this.finish(byteArray)
                            },
                            finish: function(byteArray) {
                                var that = this;
                                Module["FS_createDataFile"](this.name, null, byteArray, true, true, true);
                                Module["removeRunDependency"](`fp ${that.name}`);
                                this.requests[this.name] = null
                            }
                        };
                        var files = metadata["files"];
                        for (var i = 0; i < files.length; ++i) {
                            new DataRequest(files[i]["start"], files[i]["end"], files[i]["audio"] || 0).open("GET", files[i]["filename"])
                        }

                        function processPackageData(arrayBuffer) {
                            assert(arrayBuffer, "Loading data file failed.");
                            assert(arrayBuffer.constructor.name === ArrayBuffer.name, "bad input to processPackageData");
                            var byteArray = new Uint8Array(arrayBuffer);
                            DataRequest.prototype.byteArray = byteArray;
                            var files = metadata["files"];
                            for (var i = 0; i < files.length; ++i) {
                                DataRequest.prototype.requests[files[i].filename].onload()
                            }
                            Module["removeRunDependency"]("datafile_units.lib.data")
                        }
                        Module["addRunDependency"]("datafile_units.lib.data");
                        if (!Module.preloadResults) Module.preloadResults = {};
                        Module.preloadResults[PACKAGE_NAME] = {
                            fromCache: false
                        };
                        if (fetched) {
                            processPackageData(fetched);
                            fetched = null
                        } else {
                            fetchedCallback = processPackageData
                        }
                    }
                    if (Module["calledRun"]) {
                        runWithFS()
                    } else {
                        if (!Module["preRun"]) Module["preRun"] = [];
                        Module["preRun"].push(runWithFS)
                    }
                };
                loadPackage({
                    "files": [{
                        "filename": "/cpi.units",
                        "start": 0,
                        "end": 44458
                    }, {
                        "filename": "/currency.units",
                        "start": 44458,
                        "end": 59060
                    }, {
                        "filename": "/definitions.units",
                        "start": 59060,
                        "end": 419653
                    }, {
                        "filename": "/elements.units",
                        "start": 419653,
                        "end": 571034
                    }],
                    "remote_package_size": 571034
                })
            })();
            globalThis.printBuffer = "";
            Module["print"] = function(out) {
                globalThis.printBuffer += out + "\n"
            };
            var moduleOverrides = Object.assign({}, Module);
            var arguments_ = [];
            var thisProgram = "./this.program";
            var quit_ = (status, toThrow) => {
                throw toThrow
            };
            var ENVIRONMENT_IS_WEB = typeof window == "object";
            var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";
            var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";
            var scriptDirectory = "";

            function locateFile(path) {
                if (Module["locateFile"]) {
                    return Module["locateFile"](path, scriptDirectory)
                }
                return scriptDirectory + path
            }
            var read_, readAsync, readBinary;
            if (ENVIRONMENT_IS_NODE) {
                var fs = require("fs");
                var nodePath = require("path");
                if (ENVIRONMENT_IS_WORKER) {
                    scriptDirectory = nodePath.dirname(scriptDirectory) + "/"
                } else {
                    scriptDirectory = __dirname + "/"
                }
                read_ = (filename, binary) => {
                    filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
                    return fs.readFileSync(filename, binary ? undefined : "utf8")
                };
                readBinary = filename => {
                    var ret = read_(filename, true);
                    if (!ret.buffer) {
                        ret = new Uint8Array(ret)
                    }
                    return ret
                };
                readAsync = (filename, onload, onerror, binary = true) => {
                    filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
                    fs.readFile(filename, binary ? undefined : "utf8", (err, data) => {
                        if (err) onerror(err);
                        else onload(binary ? data.buffer : data)
                    })
                };
                if (!Module["thisProgram"] && process.argv.length > 1) {
                    thisProgram = process.argv[1].replace(/\\/g, "/")
                }
                arguments_ = process.argv.slice(2);
                quit_ = (status, toThrow) => {
                    process.exitCode = status;
                    throw toThrow
                }
            } else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
                if (ENVIRONMENT_IS_WORKER) {
                    scriptDirectory = self.location.href
                } else if (typeof document != "undefined" && document.currentScript) {
                    scriptDirectory = document.currentScript.src
                }
                if (_scriptDir) {
                    scriptDirectory = _scriptDir
                }
                if (scriptDirectory.startsWith("blob:")) {
                    scriptDirectory = ""
                } else {
                    scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1)
                } {
                    read_ = url => {
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, false);
                        xhr.send(null);
                        return xhr.responseText
                    };
                    if (ENVIRONMENT_IS_WORKER) {
                        readBinary = url => {
                            var xhr = new XMLHttpRequest;
                            xhr.open("GET", url, false);
                            xhr.responseType = "arraybuffer";
                            xhr.send(null);
                            return new Uint8Array(xhr.response)
                        }
                    }
                    readAsync = (url, onload, onerror) => {
                        var xhr = new XMLHttpRequest;
                        xhr.open("GET", url, true);
                        xhr.responseType = "arraybuffer";
                        xhr.onload = () => {
                            if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
                                onload(xhr.response);
                                return
                            }
                            onerror()
                        };
                        xhr.onerror = onerror;
                        xhr.send(null)
                    }
                }
            } else {}
            var out = Module["print"] || console.log.bind(console);
            var err = Module["printErr"] || console.error.bind(console);
            Object.assign(Module, moduleOverrides);
            moduleOverrides = null;
            if (Module["arguments"]) arguments_ = Module["arguments"];
            if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
            if (Module["quit"]) quit_ = Module["quit"];
            var wasmBinary;
            if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
            if (typeof WebAssembly != "object") {
                abort("no native wasm support detected")
            }
            var wasmMemory;
            var ABORT = false;
            var EXITSTATUS;
            var HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;

            function updateMemoryViews() {
                var b = wasmMemory.buffer;
                Module["HEAP8"] = HEAP8 = new Int8Array(b);
                Module["HEAP16"] = HEAP16 = new Int16Array(b);
                Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
                Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
                Module["HEAP32"] = HEAP32 = new Int32Array(b);
                Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
                Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
                Module["HEAPF64"] = HEAPF64 = new Float64Array(b)
            }
            var __ATPRERUN__ = [];
            var __ATINIT__ = [];
            var __ATPOSTRUN__ = [];
            var runtimeInitialized = false;

            function preRun() {
                if (Module["preRun"]) {
                    if (typeof Module["preRun"] == "function") Module["preRun"] = [Module["preRun"]];
                    while (Module["preRun"].length) {
                        addOnPreRun(Module["preRun"].shift())
                    }
                }
                callRuntimeCallbacks(__ATPRERUN__)
            }

            function initRuntime() {
                runtimeInitialized = true;
                if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
                FS.ignorePermissions = false;
                TTY.init();
                callRuntimeCallbacks(__ATINIT__)
            }

            function postRun() {
                if (Module["postRun"]) {
                    if (typeof Module["postRun"] == "function") Module["postRun"] = [Module["postRun"]];
                    while (Module["postRun"].length) {
                        addOnPostRun(Module["postRun"].shift())
                    }
                }
                callRuntimeCallbacks(__ATPOSTRUN__)
            }

            function addOnPreRun(cb) {
                __ATPRERUN__.unshift(cb)
            }

            function addOnInit(cb) {
                __ATINIT__.unshift(cb)
            }

            function addOnPostRun(cb) {
                __ATPOSTRUN__.unshift(cb)
            }
            var runDependencies = 0;
            var runDependencyWatcher = null;
            var dependenciesFulfilled = null;

            function getUniqueRunDependency(id) {
                return id
            }

            function addRunDependency(id) {
                runDependencies++;
                Module["monitorRunDependencies"]?.(runDependencies)
            }

            function removeRunDependency(id) {
                runDependencies--;
                Module["monitorRunDependencies"]?.(runDependencies);
                if (runDependencies == 0) {
                    if (runDependencyWatcher !== null) {
                        clearInterval(runDependencyWatcher);
                        runDependencyWatcher = null
                    }
                    if (dependenciesFulfilled) {
                        var callback = dependenciesFulfilled;
                        dependenciesFulfilled = null;
                        callback()
                    }
                }
            }

            function abort(what) {
                Module["onAbort"]?.(what);
                what = "Aborted(" + what + ")";
                err(what);
                ABORT = true;
                EXITSTATUS = 1;
                what += ". Build with -sASSERTIONS for more info.";
                var e = new WebAssembly.RuntimeError(what);
                readyPromiseReject(e);
                throw e
            }
            var dataURIPrefix = "data:application/octet-stream;base64,";
            var isDataURI = filename => filename.startsWith(dataURIPrefix);
            var isFileURI = filename => filename.startsWith("file://");
            var wasmBinaryFile;
            wasmBinaryFile = "units.lib.wasm";
            if (!isDataURI(wasmBinaryFile)) {
                wasmBinaryFile = locateFile(wasmBinaryFile)
            }

            function getBinarySync(file) {
                if (file == wasmBinaryFile && wasmBinary) {
                    return new Uint8Array(wasmBinary)
                }
                if (readBinary) {
                    return readBinary(file)
                }
                throw "both async and sync fetching of the wasm failed"
            }

            function getBinaryPromise(binaryFile) {
                if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
                    if (typeof fetch == "function" && !isFileURI(binaryFile)) {
                        return fetch(binaryFile, {
                            credentials: "same-origin"
                        }).then(response => {
                            if (!response["ok"]) {
                                throw `failed to load wasm binary file at '${binaryFile}'`
                            }
                            return response["arrayBuffer"]()
                        }).catch(() => getBinarySync(binaryFile))
                    } else if (readAsync) {
                        return new Promise((resolve, reject) => {
                            readAsync(binaryFile, response => resolve(new Uint8Array(response)), reject)
                        })
                    }
                }
                return Promise.resolve().then(() => getBinarySync(binaryFile))
            }

            function instantiateArrayBuffer(binaryFile, imports, receiver) {
                return getBinaryPromise(binaryFile).then(binary => WebAssembly.instantiate(binary, imports)).then(receiver, reason => {
                    err(`failed to asynchronously prepare wasm: ${reason}`);
                    abort(reason)
                })
            }

            function instantiateAsync(binary, binaryFile, imports, callback) {
                if (!binary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(binaryFile) && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
                    return fetch(binaryFile, {
                        credentials: "same-origin"
                    }).then(response => {
                        var result = WebAssembly.instantiateStreaming(response, imports);
                        return result.then(callback, function(reason) {
                            err(`wasm streaming compile failed: ${reason}`);
                            err("falling back to ArrayBuffer instantiation");
                            return instantiateArrayBuffer(binaryFile, imports, callback)
                        })
                    })
                }
                return instantiateArrayBuffer(binaryFile, imports, callback)
            }

            function createWasm() {
                var info = {
                    "a": wasmImports
                };

                function receiveInstance(instance, module) {
                    wasmExports = instance.exports;
                    wasmExports = Asyncify.instrumentWasmExports(wasmExports);
                    wasmMemory = wasmExports["o"];
                    updateMemoryViews();
                    addOnInit(wasmExports["p"]);
                    removeRunDependency("wasm-instantiate");
                    return wasmExports
                }
                addRunDependency("wasm-instantiate");

                function receiveInstantiationResult(result) {
                    receiveInstance(result["instance"])
                }
                if (Module["instantiateWasm"]) {
                    try {
                        return Module["instantiateWasm"](info, receiveInstance)
                    } catch (e) {
                        err(`Module.instantiateWasm callback failed with error: ${e}`);
                        readyPromiseReject(e)
                    }
                }
                instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult).catch(readyPromiseReject);
                return {}
            }
            var tempDouble;
            var tempI64;

            function ExitStatus(status) {
                this.name = "ExitStatus";
                this.message = `Program terminated with exit(${status})`;
                this.status = status
            }
            var callRuntimeCallbacks = callbacks => {
                while (callbacks.length > 0) {
                    callbacks.shift()(Module)
                }
            };
            var noExitRuntime = Module["noExitRuntime"] || true;
            var PATH = {
                isAbs: path => path.charAt(0) === "/",
                splitPath: filename => {
                    var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
                    return splitPathRe.exec(filename).slice(1)
                },
                normalizeArray: (parts, allowAboveRoot) => {
                    var up = 0;
                    for (var i = parts.length - 1; i >= 0; i--) {
                        var last = parts[i];
                        if (last === ".") {
                            parts.splice(i, 1)
                        } else if (last === "..") {
                            parts.splice(i, 1);
                            up++
                        } else if (up) {
                            parts.splice(i, 1);
                            up--
                        }
                    }
                    if (allowAboveRoot) {
                        for (; up; up--) {
                            parts.unshift("..")
                        }
                    }
                    return parts
                },
                normalize: path => {
                    var isAbsolute = PATH.isAbs(path),
                        trailingSlash = path.substr(-1) === "/";
                    path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
                    if (!path && !isAbsolute) {
                        path = "."
                    }
                    if (path && trailingSlash) {
                        path += "/"
                    }
                    return (isAbsolute ? "/" : "") + path
                },
                dirname: path => {
                    var result = PATH.splitPath(path),
                        root = result[0],
                        dir = result[1];
                    if (!root && !dir) {
                        return "."
                    }
                    if (dir) {
                        dir = dir.substr(0, dir.length - 1)
                    }
                    return root + dir
                },
                basename: path => {
                    if (path === "/") return "/";
                    path = PATH.normalize(path);
                    path = path.replace(/\/$/, "");
                    var lastSlash = path.lastIndexOf("/");
                    if (lastSlash === -1) return path;
                    return path.substr(lastSlash + 1)
                },
                join: (...paths) => PATH.normalize(paths.join("/")),
                join2: (l, r) => PATH.normalize(l + "/" + r)
            };
            var initRandomFill = () => {
                if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
                    return view => crypto.getRandomValues(view)
                } else if (ENVIRONMENT_IS_NODE) {
                    try {
                        var crypto_module = require("crypto");
                        var randomFillSync = crypto_module["randomFillSync"];
                        if (randomFillSync) {
                            return view => crypto_module["randomFillSync"](view)
                        }
                        var randomBytes = crypto_module["randomBytes"];
                        return view => (view.set(randomBytes(view.byteLength)), view)
                    } catch (e) {}
                }
                abort("initRandomDevice")
            };
            var randomFill = view => (randomFill = initRandomFill())(view);
            var PATH_FS = {
                resolve: (...args) => {
                    var resolvedPath = "",
                        resolvedAbsolute = false;
                    for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
                        var path = i >= 0 ? args[i] : FS.cwd();
                        if (typeof path != "string") {
                            throw new TypeError("Arguments to path.resolve must be strings")
                        } else if (!path) {
                            return ""
                        }
                        resolvedPath = path + "/" + resolvedPath;
                        resolvedAbsolute = PATH.isAbs(path)
                    }
                    resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
                    return (resolvedAbsolute ? "/" : "") + resolvedPath || "."
                },
                relative: (from, to) => {
                    from = PATH_FS.resolve(from).substr(1);
                    to = PATH_FS.resolve(to).substr(1);

                    function trim(arr) {
                        var start = 0;
                        for (; start < arr.length; start++) {
                            if (arr[start] !== "") break
                        }
                        var end = arr.length - 1;
                        for (; end >= 0; end--) {
                            if (arr[end] !== "") break
                        }
                        if (start > end) return [];
                        return arr.slice(start, end - start + 1)
                    }
                    var fromParts = trim(from.split("/"));
                    var toParts = trim(to.split("/"));
                    var length = Math.min(fromParts.length, toParts.length);
                    var samePartsLength = length;
                    for (var i = 0; i < length; i++) {
                        if (fromParts[i] !== toParts[i]) {
                            samePartsLength = i;
                            break
                        }
                    }
                    var outputParts = [];
                    for (var i = samePartsLength; i < fromParts.length; i++) {
                        outputParts.push("..")
                    }
                    outputParts = outputParts.concat(toParts.slice(samePartsLength));
                    return outputParts.join("/")
                }
            };
            var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;
            var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
                var endIdx = idx + maxBytesToRead;
                var endPtr = idx;
                while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
                if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
                    return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr))
                }
                var str = "";
                while (idx < endPtr) {
                    var u0 = heapOrArray[idx++];
                    if (!(u0 & 128)) {
                        str += String.fromCharCode(u0);
                        continue
                    }
                    var u1 = heapOrArray[idx++] & 63;
                    if ((u0 & 224) == 192) {
                        str += String.fromCharCode((u0 & 31) << 6 | u1);
                        continue
                    }
                    var u2 = heapOrArray[idx++] & 63;
                    if ((u0 & 240) == 224) {
                        u0 = (u0 & 15) << 12 | u1 << 6 | u2
                    } else {
                        u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63
                    }
                    if (u0 < 65536) {
                        str += String.fromCharCode(u0)
                    } else {
                        var ch = u0 - 65536;
                        str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023)
                    }
                }
                return str
            };
            var FS_stdin_getChar_buffer = [];
            var lengthBytesUTF8 = str => {
                var len = 0;
                for (var i = 0; i < str.length; ++i) {
                    var c = str.charCodeAt(i);
                    if (c <= 127) {
                        len++
                    } else if (c <= 2047) {
                        len += 2
                    } else if (c >= 55296 && c <= 57343) {
                        len += 4;
                        ++i
                    } else {
                        len += 3
                    }
                }
                return len
            };
            var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
                if (!(maxBytesToWrite > 0)) return 0;
                var startIdx = outIdx;
                var endIdx = outIdx + maxBytesToWrite - 1;
                for (var i = 0; i < str.length; ++i) {
                    var u = str.charCodeAt(i);
                    if (u >= 55296 && u <= 57343) {
                        var u1 = str.charCodeAt(++i);
                        u = 65536 + ((u & 1023) << 10) | u1 & 1023
                    }
                    if (u <= 127) {
                        if (outIdx >= endIdx) break;
                        heap[outIdx++] = u
                    } else if (u <= 2047) {
                        if (outIdx + 1 >= endIdx) break;
                        heap[outIdx++] = 192 | u >> 6;
                        heap[outIdx++] = 128 | u & 63
                    } else if (u <= 65535) {
                        if (outIdx + 2 >= endIdx) break;
                        heap[outIdx++] = 224 | u >> 12;
                        heap[outIdx++] = 128 | u >> 6 & 63;
                        heap[outIdx++] = 128 | u & 63
                    } else {
                        if (outIdx + 3 >= endIdx) break;
                        heap[outIdx++] = 240 | u >> 18;
                        heap[outIdx++] = 128 | u >> 12 & 63;
                        heap[outIdx++] = 128 | u >> 6 & 63;
                        heap[outIdx++] = 128 | u & 63
                    }
                }
                heap[outIdx] = 0;
                return outIdx - startIdx
            };

            function intArrayFromString(stringy, dontAddNull, length) {
                var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
                var u8array = new Array(len);
                var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
                if (dontAddNull) u8array.length = numBytesWritten;
                return u8array
            }
            var FS_stdin_getChar = () => {
                if (!FS_stdin_getChar_buffer.length) {
                    var result = null;
                    if (ENVIRONMENT_IS_NODE) {
                        var BUFSIZE = 256;
                        var buf = Buffer.alloc(BUFSIZE);
                        var bytesRead = 0;
                        var fd = process.stdin.fd;
                        try {
                            bytesRead = fs.readSync(fd, buf)
                        } catch (e) {
                            if (e.toString().includes("EOF")) bytesRead = 0;
                            else throw e
                        }
                        if (bytesRead > 0) {
                            result = buf.slice(0, bytesRead).toString("utf-8")
                        } else {
                            result = null
                        }
                    } else if (typeof window != "undefined" && typeof window.prompt == "function") {
                        result = window.prompt("Input: ");
                        if (result !== null) {
                            result += "\n"
                        }
                    } else if (typeof readline == "function") {
                        result = readline();
                        if (result !== null) {
                            result += "\n"
                        }
                    }
                    if (!result) {
                        return null
                    }
                    FS_stdin_getChar_buffer = intArrayFromString(result, true)
                }
                return FS_stdin_getChar_buffer.shift()
            };
            var TTY = {
                ttys: [],
                init() {},
                shutdown() {},
                register(dev, ops) {
                    TTY.ttys[dev] = {
                        input: [],
                        output: [],
                        ops: ops
                    };
                    FS.registerDevice(dev, TTY.stream_ops)
                },
                stream_ops: {
                    open(stream) {
                        var tty = TTY.ttys[stream.node.rdev];
                        if (!tty) {
                            throw new FS.ErrnoError(43)
                        }
                        stream.tty = tty;
                        stream.seekable = false
                    },
                    close(stream) {
                        stream.tty.ops.fsync(stream.tty)
                    },
                    fsync(stream) {
                        stream.tty.ops.fsync(stream.tty)
                    },
                    read(stream, buffer, offset, length, pos) {
                        if (!stream.tty || !stream.tty.ops.get_char) {
                            throw new FS.ErrnoError(60)
                        }
                        var bytesRead = 0;
                        for (var i = 0; i < length; i++) {
                            var result;
                            try {
                                result = stream.tty.ops.get_char(stream.tty)
                            } catch (e) {
                                throw new FS.ErrnoError(29)
                            }
                            if (result === undefined && bytesRead === 0) {
                                throw new FS.ErrnoError(6)
                            }
                            if (result === null || result === undefined) break;
                            bytesRead++;
                            buffer[offset + i] = result
                        }
                        if (bytesRead) {
                            stream.node.timestamp = Date.now()
                        }
                        return bytesRead
                    },
                    write(stream, buffer, offset, length, pos) {
                        if (!stream.tty || !stream.tty.ops.put_char) {
                            throw new FS.ErrnoError(60)
                        }
                        try {
                            for (var i = 0; i < length; i++) {
                                stream.tty.ops.put_char(stream.tty, buffer[offset + i])
                            }
                        } catch (e) {
                            throw new FS.ErrnoError(29)
                        }
                        if (length) {
                            stream.node.timestamp = Date.now()
                        }
                        return i
                    }
                },
                default_tty_ops: {
                    get_char(tty) {
                        return FS_stdin_getChar()
                    },
                    put_char(tty, val) {
                        if (val === null || val === 10) {
                            out(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        } else {
                            if (val != 0) tty.output.push(val)
                        }
                    },
                    fsync(tty) {
                        if (tty.output && tty.output.length > 0) {
                            out(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        }
                    },
                    ioctl_tcgets(tty) {
                        return {
                            c_iflag: 25856,
                            c_oflag: 5,
                            c_cflag: 191,
                            c_lflag: 35387,
                            c_cc: [3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
                        }
                    },
                    ioctl_tcsets(tty, optional_actions, data) {
                        return 0
                    },
                    ioctl_tiocgwinsz(tty) {
                        return [24, 80]
                    }
                },
                default_tty1_ops: {
                    put_char(tty, val) {
                        if (val === null || val === 10) {
                            err(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        } else {
                            if (val != 0) tty.output.push(val)
                        }
                    },
                    fsync(tty) {
                        if (tty.output && tty.output.length > 0) {
                            err(UTF8ArrayToString(tty.output, 0));
                            tty.output = []
                        }
                    }
                }
            };
            var mmapAlloc = size => {
                abort()
            };
            var MEMFS = {
                ops_table: null,
                mount(mount) {
                    return MEMFS.createNode(null, "/", 16384 | 511, 0)
                },
                createNode(parent, name, mode, dev) {
                    if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
                        throw new FS.ErrnoError(63)
                    }
                    MEMFS.ops_table ||= {
                        dir: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr,
                                lookup: MEMFS.node_ops.lookup,
                                mknod: MEMFS.node_ops.mknod,
                                rename: MEMFS.node_ops.rename,
                                unlink: MEMFS.node_ops.unlink,
                                rmdir: MEMFS.node_ops.rmdir,
                                readdir: MEMFS.node_ops.readdir,
                                symlink: MEMFS.node_ops.symlink
                            },
                            stream: {
                                llseek: MEMFS.stream_ops.llseek
                            }
                        },
                        file: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr
                            },
                            stream: {
                                llseek: MEMFS.stream_ops.llseek,
                                read: MEMFS.stream_ops.read,
                                write: MEMFS.stream_ops.write,
                                allocate: MEMFS.stream_ops.allocate,
                                mmap: MEMFS.stream_ops.mmap,
                                msync: MEMFS.stream_ops.msync
                            }
                        },
                        link: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr,
                                readlink: MEMFS.node_ops.readlink
                            },
                            stream: {}
                        },
                        chrdev: {
                            node: {
                                getattr: MEMFS.node_ops.getattr,
                                setattr: MEMFS.node_ops.setattr
                            },
                            stream: FS.chrdev_stream_ops
                        }
                    };
                    var node = FS.createNode(parent, name, mode, dev);
                    if (FS.isDir(node.mode)) {
                        node.node_ops = MEMFS.ops_table.dir.node;
                        node.stream_ops = MEMFS.ops_table.dir.stream;
                        node.contents = {}
                    } else if (FS.isFile(node.mode)) {
                        node.node_ops = MEMFS.ops_table.file.node;
                        node.stream_ops = MEMFS.ops_table.file.stream;
                        node.usedBytes = 0;
                        node.contents = null
                    } else if (FS.isLink(node.mode)) {
                        node.node_ops = MEMFS.ops_table.link.node;
                        node.stream_ops = MEMFS.ops_table.link.stream
                    } else if (FS.isChrdev(node.mode)) {
                        node.node_ops = MEMFS.ops_table.chrdev.node;
                        node.stream_ops = MEMFS.ops_table.chrdev.stream
                    }
                    node.timestamp = Date.now();
                    if (parent) {
                        parent.contents[name] = node;
                        parent.timestamp = node.timestamp
                    }
                    return node
                },
                getFileDataAsTypedArray(node) {
                    if (!node.contents) return new Uint8Array(0);
                    if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
                    return new Uint8Array(node.contents)
                },
                expandFileStorage(node, newCapacity) {
                    var prevCapacity = node.contents ? node.contents.length : 0;
                    if (prevCapacity >= newCapacity) return;
                    var CAPACITY_DOUBLING_MAX = 1024 * 1024;
                    newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
                    if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
                    var oldContents = node.contents;
                    node.contents = new Uint8Array(newCapacity);
                    if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0)
                },
                resizeFileStorage(node, newSize) {
                    if (node.usedBytes == newSize) return;
                    if (newSize == 0) {
                        node.contents = null;
                        node.usedBytes = 0
                    } else {
                        var oldContents = node.contents;
                        node.contents = new Uint8Array(newSize);
                        if (oldContents) {
                            node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)))
                        }
                        node.usedBytes = newSize
                    }
                },
                node_ops: {
                    getattr(node) {
                        var attr = {};
                        attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
                        attr.ino = node.id;
                        attr.mode = node.mode;
                        attr.nlink = 1;
                        attr.uid = 0;
                        attr.gid = 0;
                        attr.rdev = node.rdev;
                        if (FS.isDir(node.mode)) {
                            attr.size = 4096
                        } else if (FS.isFile(node.mode)) {
                            attr.size = node.usedBytes
                        } else if (FS.isLink(node.mode)) {
                            attr.size = node.link.length
                        } else {
                            attr.size = 0
                        }
                        attr.atime = new Date(node.timestamp);
                        attr.mtime = new Date(node.timestamp);
                        attr.ctime = new Date(node.timestamp);
                        attr.blksize = 4096;
                        attr.blocks = Math.ceil(attr.size / attr.blksize);
                        return attr
                    },
                    setattr(node, attr) {
                        if (attr.mode !== undefined) {
                            node.mode = attr.mode
                        }
                        if (attr.timestamp !== undefined) {
                            node.timestamp = attr.timestamp
                        }
                        if (attr.size !== undefined) {
                            MEMFS.resizeFileStorage(node, attr.size)
                        }
                    },
                    lookup(parent, name) {
                        throw FS.genericErrors[44]
                    },
                    mknod(parent, name, mode, dev) {
                        return MEMFS.createNode(parent, name, mode, dev)
                    },
                    rename(old_node, new_dir, new_name) {
                        if (FS.isDir(old_node.mode)) {
                            var new_node;
                            try {
                                new_node = FS.lookupNode(new_dir, new_name)
                            } catch (e) {}
                            if (new_node) {
                                for (var i in new_node.contents) {
                                    throw new FS.ErrnoError(55)
                                }
                            }
                        }
                        delete old_node.parent.contents[old_node.name];
                        old_node.parent.timestamp = Date.now();
                        old_node.name = new_name;
                        new_dir.contents[new_name] = old_node;
                        new_dir.timestamp = old_node.parent.timestamp;
                        old_node.parent = new_dir
                    },
                    unlink(parent, name) {
                        delete parent.contents[name];
                        parent.timestamp = Date.now()
                    },
                    rmdir(parent, name) {
                        var node = FS.lookupNode(parent, name);
                        for (var i in node.contents) {
                            throw new FS.ErrnoError(55)
                        }
                        delete parent.contents[name];
                        parent.timestamp = Date.now()
                    },
                    readdir(node) {
                        var entries = [".", ".."];
                        for (var key of Object.keys(node.contents)) {
                            entries.push(key)
                        }
                        return entries
                    },
                    symlink(parent, newname, oldpath) {
                        var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
                        node.link = oldpath;
                        return node
                    },
                    readlink(node) {
                        if (!FS.isLink(node.mode)) {
                            throw new FS.ErrnoError(28)
                        }
                        return node.link
                    }
                },
                stream_ops: {
                    read(stream, buffer, offset, length, position) {
                        var contents = stream.node.contents;
                        if (position >= stream.node.usedBytes) return 0;
                        var size = Math.min(stream.node.usedBytes - position, length);
                        if (size > 8 && contents.subarray) {
                            buffer.set(contents.subarray(position, position + size), offset)
                        } else {
                            for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]
                        }
                        return size
                    },
                    write(stream, buffer, offset, length, position, canOwn) {
                        if (!length) return 0;
                        var node = stream.node;
                        node.timestamp = Date.now();
                        if (buffer.subarray && (!node.contents || node.contents.subarray)) {
                            if (canOwn) {
                                node.contents = buffer.subarray(offset, offset + length);
                                node.usedBytes = length;
                                return length
                            } else if (node.usedBytes === 0 && position === 0) {
                                node.contents = buffer.slice(offset, offset + length);
                                node.usedBytes = length;
                                return length
                            } else if (position + length <= node.usedBytes) {
                                node.contents.set(buffer.subarray(offset, offset + length), position);
                                return length
                            }
                        }
                        MEMFS.expandFileStorage(node, position + length);
                        if (node.contents.subarray && buffer.subarray) {
                            node.contents.set(buffer.subarray(offset, offset + length), position)
                        } else {
                            for (var i = 0; i < length; i++) {
                                node.contents[position + i] = buffer[offset + i]
                            }
                        }
                        node.usedBytes = Math.max(node.usedBytes, position + length);
                        return length
                    },
                    llseek(stream, offset, whence) {
                        var position = offset;
                        if (whence === 1) {
                            position += stream.position
                        } else if (whence === 2) {
                            if (FS.isFile(stream.node.mode)) {
                                position += stream.node.usedBytes
                            }
                        }
                        if (position < 0) {
                            throw new FS.ErrnoError(28)
                        }
                        return position
                    },
                    allocate(stream, offset, length) {
                        MEMFS.expandFileStorage(stream.node, offset + length);
                        stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length)
                    },
                    mmap(stream, length, position, prot, flags) {
                        if (!FS.isFile(stream.node.mode)) {
                            throw new FS.ErrnoError(43)
                        }
                        var ptr;
                        var allocated;
                        var contents = stream.node.contents;
                        if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
                            allocated = false;
                            ptr = contents.byteOffset
                        } else {
                            if (position > 0 || position + length < contents.length) {
                                if (contents.subarray) {
                                    contents = contents.subarray(position, position + length)
                                } else {
                                    contents = Array.prototype.slice.call(contents, position, position + length)
                                }
                            }
                            allocated = true;
                            ptr = mmapAlloc(length);
                            if (!ptr) {
                                throw new FS.ErrnoError(48)
                            }
                            HEAP8.set(contents, ptr)
                        }
                        return {
                            ptr: ptr,
                            allocated: allocated
                        }
                    },
                    msync(stream, buffer, offset, length, mmapFlags) {
                        MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
                        return 0
                    }
                }
            };
            var asyncLoad = (url, onload, onerror, noRunDep) => {
                var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : "";
                readAsync(url, arrayBuffer => {
                    onload(new Uint8Array(arrayBuffer));
                    if (dep) removeRunDependency(dep)
                }, event => {
                    if (onerror) {
                        onerror()
                    } else {
                        throw `Loading data file "${url}" failed.`
                    }
                });
                if (dep) addRunDependency(dep)
            };
            var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
                FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn)
            };
            var preloadPlugins = Module["preloadPlugins"] || [];
            var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
                if (typeof Browser != "undefined") Browser.init();
                var handled = false;
                preloadPlugins.forEach(plugin => {
                    if (handled) return;
                    if (plugin["canHandle"](fullname)) {
                        plugin["handle"](byteArray, fullname, finish, onerror);
                        handled = true
                    }
                });
                return handled
            };
            var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
                var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
                var dep = getUniqueRunDependency(`cp ${fullname}`);

                function processData(byteArray) {
                    function finish(byteArray) {
                        preFinish?.();
                        if (!dontCreateFile) {
                            FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn)
                        }
                        onload?.();
                        removeRunDependency(dep)
                    }
                    if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
                            onerror?.();
                            removeRunDependency(dep)
                        })) {
                        return
                    }
                    finish(byteArray)
                }
                addRunDependency(dep);
                if (typeof url == "string") {
                    asyncLoad(url, processData, onerror)
                } else {
                    processData(url)
                }
            };
            var FS_modeStringToFlags = str => {
                var flagModes = {
                    "r": 0,
                    "r+": 2,
                    "w": 512 | 64 | 1,
                    "w+": 512 | 64 | 2,
                    "a": 1024 | 64 | 1,
                    "a+": 1024 | 64 | 2
                };
                var flags = flagModes[str];
                if (typeof flags == "undefined") {
                    throw new Error(`Unknown file open mode: ${str}`)
                }
                return flags
            };
            var FS_getMode = (canRead, canWrite) => {
                var mode = 0;
                if (canRead) mode |= 292 | 73;
                if (canWrite) mode |= 146;
                return mode
            };
            var FS = {
                root: null,
                mounts: [],
                devices: {},
                streams: [],
                nextInode: 1,
                nameTable: null,
                currentPath: "/",
                initialized: false,
                ignorePermissions: true,
                ErrnoError: class {
                    constructor(errno) {
                        this.name = "ErrnoError";
                        this.errno = errno
                    }
                },
                genericErrors: {},
                filesystems: null,
                syncFSRequests: 0,
                lookupPath(path, opts = {}) {
                    path = PATH_FS.resolve(path);
                    if (!path) return {
                        path: "",
                        node: null
                    };
                    var defaults = {
                        follow_mount: true,
                        recurse_count: 0
                    };
                    opts = Object.assign(defaults, opts);
                    if (opts.recurse_count > 8) {
                        throw new FS.ErrnoError(32)
                    }
                    var parts = path.split("/").filter(p => !!p);
                    var current = FS.root;
                    var current_path = "/";
                    for (var i = 0; i < parts.length; i++) {
                        var islast = i === parts.length - 1;
                        if (islast && opts.parent) {
                            break
                        }
                        current = FS.lookupNode(current, parts[i]);
                        current_path = PATH.join2(current_path, parts[i]);
                        if (FS.isMountpoint(current)) {
                            if (!islast || islast && opts.follow_mount) {
                                current = current.mounted.root
                            }
                        }
                        if (!islast || opts.follow) {
                            var count = 0;
                            while (FS.isLink(current.mode)) {
                                var link = FS.readlink(current_path);
                                current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
                                var lookup = FS.lookupPath(current_path, {
                                    recurse_count: opts.recurse_count + 1
                                });
                                current = lookup.node;
                                if (count++ > 40) {
                                    throw new FS.ErrnoError(32)
                                }
                            }
                        }
                    }
                    return {
                        path: current_path,
                        node: current
                    }
                },
                getPath(node) {
                    var path;
                    while (true) {
                        if (FS.isRoot(node)) {
                            var mount = node.mount.mountpoint;
                            if (!path) return mount;
                            return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path
                        }
                        path = path ? `${node.name}/${path}` : node.name;
                        node = node.parent
                    }
                },
                hashName(parentid, name) {
                    var hash = 0;
                    for (var i = 0; i < name.length; i++) {
                        hash = (hash << 5) - hash + name.charCodeAt(i) | 0
                    }
                    return (parentid + hash >>> 0) % FS.nameTable.length
                },
                hashAddNode(node) {
                    var hash = FS.hashName(node.parent.id, node.name);
                    node.name_next = FS.nameTable[hash];
                    FS.nameTable[hash] = node
                },
                hashRemoveNode(node) {
                    var hash = FS.hashName(node.parent.id, node.name);
                    if (FS.nameTable[hash] === node) {
                        FS.nameTable[hash] = node.name_next
                    } else {
                        var current = FS.nameTable[hash];
                        while (current) {
                            if (current.name_next === node) {
                                current.name_next = node.name_next;
                                break
                            }
                            current = current.name_next
                        }
                    }
                },
                lookupNode(parent, name) {
                    var errCode = FS.mayLookup(parent);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    var hash = FS.hashName(parent.id, name);
                    for (var node = FS.nameTable[hash]; node; node = node.name_next) {
                        var nodeName = node.name;
                        if (node.parent.id === parent.id && nodeName === name) {
                            return node
                        }
                    }
                    return FS.lookup(parent, name)
                },
                createNode(parent, name, mode, rdev) {
                    var node = new FS.FSNode(parent, name, mode, rdev);
                    FS.hashAddNode(node);
                    return node
                },
                destroyNode(node) {
                    FS.hashRemoveNode(node)
                },
                isRoot(node) {
                    return node === node.parent
                },
                isMountpoint(node) {
                    return !!node.mounted
                },
                isFile(mode) {
                    return (mode & 61440) === 32768
                },
                isDir(mode) {
                    return (mode & 61440) === 16384
                },
                isLink(mode) {
                    return (mode & 61440) === 40960
                },
                isChrdev(mode) {
                    return (mode & 61440) === 8192
                },
                isBlkdev(mode) {
                    return (mode & 61440) === 24576
                },
                isFIFO(mode) {
                    return (mode & 61440) === 4096
                },
                isSocket(mode) {
                    return (mode & 49152) === 49152
                },
                flagsToPermissionString(flag) {
                    var perms = ["r", "w", "rw"][flag & 3];
                    if (flag & 512) {
                        perms += "w"
                    }
                    return perms
                },
                nodePermissions(node, perms) {
                    if (FS.ignorePermissions) {
                        return 0
                    }
                    if (perms.includes("r") && !(node.mode & 292)) {
                        return 2
                    } else if (perms.includes("w") && !(node.mode & 146)) {
                        return 2
                    } else if (perms.includes("x") && !(node.mode & 73)) {
                        return 2
                    }
                    return 0
                },
                mayLookup(dir) {
                    if (!FS.isDir(dir.mode)) return 54;
                    var errCode = FS.nodePermissions(dir, "x");
                    if (errCode) return errCode;
                    if (!dir.node_ops.lookup) return 2;
                    return 0
                },
                mayCreate(dir, name) {
                    try {
                        var node = FS.lookupNode(dir, name);
                        return 20
                    } catch (e) {}
                    return FS.nodePermissions(dir, "wx")
                },
                mayDelete(dir, name, isdir) {
                    var node;
                    try {
                        node = FS.lookupNode(dir, name)
                    } catch (e) {
                        return e.errno
                    }
                    var errCode = FS.nodePermissions(dir, "wx");
                    if (errCode) {
                        return errCode
                    }
                    if (isdir) {
                        if (!FS.isDir(node.mode)) {
                            return 54
                        }
                        if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
                            return 10
                        }
                    } else {
                        if (FS.isDir(node.mode)) {
                            return 31
                        }
                    }
                    return 0
                },
                mayOpen(node, flags) {
                    if (!node) {
                        return 44
                    }
                    if (FS.isLink(node.mode)) {
                        return 32
                    } else if (FS.isDir(node.mode)) {
                        if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
                            return 31
                        }
                    }
                    return FS.nodePermissions(node, FS.flagsToPermissionString(flags))
                },
                MAX_OPEN_FDS: 4096,
                nextfd() {
                    for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
                        if (!FS.streams[fd]) {
                            return fd
                        }
                    }
                    throw new FS.ErrnoError(33)
                },
                getStreamChecked(fd) {
                    var stream = FS.getStream(fd);
                    if (!stream) {
                        throw new FS.ErrnoError(8)
                    }
                    return stream
                },
                getStream: fd => FS.streams[fd],
                createStream(stream, fd = -1) {
                    if (!FS.FSStream) {
                        FS.FSStream = function() {
                            this.shared = {}
                        };
                        FS.FSStream.prototype = {};
                        Object.defineProperties(FS.FSStream.prototype, {
                            object: {
                                get() {
                                    return this.node
                                },
                                set(val) {
                                    this.node = val
                                }
                            },
                            isRead: {
                                get() {
                                    return (this.flags & 2097155) !== 1
                                }
                            },
                            isWrite: {
                                get() {
                                    return (this.flags & 2097155) !== 0
                                }
                            },
                            isAppend: {
                                get() {
                                    return this.flags & 1024
                                }
                            },
                            flags: {
                                get() {
                                    return this.shared.flags
                                },
                                set(val) {
                                    this.shared.flags = val
                                }
                            },
                            position: {
                                get() {
                                    return this.shared.position
                                },
                                set(val) {
                                    this.shared.position = val
                                }
                            }
                        })
                    }
                    stream = Object.assign(new FS.FSStream, stream);
                    if (fd == -1) {
                        fd = FS.nextfd()
                    }
                    stream.fd = fd;
                    FS.streams[fd] = stream;
                    return stream
                },
                closeStream(fd) {
                    FS.streams[fd] = null
                },
                chrdev_stream_ops: {
                    open(stream) {
                        var device = FS.getDevice(stream.node.rdev);
                        stream.stream_ops = device.stream_ops;
                        stream.stream_ops.open?.(stream)
                    },
                    llseek() {
                        throw new FS.ErrnoError(70)
                    }
                },
                major: dev => dev >> 8,
                minor: dev => dev & 255,
                makedev: (ma, mi) => ma << 8 | mi,
                registerDevice(dev, ops) {
                    FS.devices[dev] = {
                        stream_ops: ops
                    }
                },
                getDevice: dev => FS.devices[dev],
                getMounts(mount) {
                    var mounts = [];
                    var check = [mount];
                    while (check.length) {
                        var m = check.pop();
                        mounts.push(m);
                        check.push(...m.mounts)
                    }
                    return mounts
                },
                syncfs(populate, callback) {
                    if (typeof populate == "function") {
                        callback = populate;
                        populate = false
                    }
                    FS.syncFSRequests++;
                    if (FS.syncFSRequests > 1) {
                        err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`)
                    }
                    var mounts = FS.getMounts(FS.root.mount);
                    var completed = 0;

                    function doCallback(errCode) {
                        FS.syncFSRequests--;
                        return callback(errCode)
                    }

                    function done(errCode) {
                        if (errCode) {
                            if (!done.errored) {
                                done.errored = true;
                                return doCallback(errCode)
                            }
                            return
                        }
                        if (++completed >= mounts.length) {
                            doCallback(null)
                        }
                    }
                    mounts.forEach(mount => {
                        if (!mount.type.syncfs) {
                            return done(null)
                        }
                        mount.type.syncfs(mount, populate, done)
                    })
                },
                mount(type, opts, mountpoint) {
                    var root = mountpoint === "/";
                    var pseudo = !mountpoint;
                    var node;
                    if (root && FS.root) {
                        throw new FS.ErrnoError(10)
                    } else if (!root && !pseudo) {
                        var lookup = FS.lookupPath(mountpoint, {
                            follow_mount: false
                        });
                        mountpoint = lookup.path;
                        node = lookup.node;
                        if (FS.isMountpoint(node)) {
                            throw new FS.ErrnoError(10)
                        }
                        if (!FS.isDir(node.mode)) {
                            throw new FS.ErrnoError(54)
                        }
                    }
                    var mount = {
                        type: type,
                        opts: opts,
                        mountpoint: mountpoint,
                        mounts: []
                    };
                    var mountRoot = type.mount(mount);
                    mountRoot.mount = mount;
                    mount.root = mountRoot;
                    if (root) {
                        FS.root = mountRoot
                    } else if (node) {
                        node.mounted = mount;
                        if (node.mount) {
                            node.mount.mounts.push(mount)
                        }
                    }
                    return mountRoot
                },
                unmount(mountpoint) {
                    var lookup = FS.lookupPath(mountpoint, {
                        follow_mount: false
                    });
                    if (!FS.isMountpoint(lookup.node)) {
                        throw new FS.ErrnoError(28)
                    }
                    var node = lookup.node;
                    var mount = node.mounted;
                    var mounts = FS.getMounts(mount);
                    Object.keys(FS.nameTable).forEach(hash => {
                        var current = FS.nameTable[hash];
                        while (current) {
                            var next = current.name_next;
                            if (mounts.includes(current.mount)) {
                                FS.destroyNode(current)
                            }
                            current = next
                        }
                    });
                    node.mounted = null;
                    var idx = node.mount.mounts.indexOf(mount);
                    node.mount.mounts.splice(idx, 1)
                },
                lookup(parent, name) {
                    return parent.node_ops.lookup(parent, name)
                },
                mknod(path, mode, dev) {
                    var lookup = FS.lookupPath(path, {
                        parent: true
                    });
                    var parent = lookup.node;
                    var name = PATH.basename(path);
                    if (!name || name === "." || name === "..") {
                        throw new FS.ErrnoError(28)
                    }
                    var errCode = FS.mayCreate(parent, name);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    if (!parent.node_ops.mknod) {
                        throw new FS.ErrnoError(63)
                    }
                    return parent.node_ops.mknod(parent, name, mode, dev)
                },
                create(path, mode) {
                    mode = mode !== undefined ? mode : 438;
                    mode &= 4095;
                    mode |= 32768;
                    return FS.mknod(path, mode, 0)
                },
                mkdir(path, mode) {
                    mode = mode !== undefined ? mode : 511;
                    mode &= 511 | 512;
                    mode |= 16384;
                    return FS.mknod(path, mode, 0)
                },
                mkdirTree(path, mode) {
                    var dirs = path.split("/");
                    var d = "";
                    for (var i = 0; i < dirs.length; ++i) {
                        if (!dirs[i]) continue;
                        d += "/" + dirs[i];
                        try {
                            FS.mkdir(d, mode)
                        } catch (e) {
                            if (e.errno != 20) throw e
                        }
                    }
                },
                mkdev(path, mode, dev) {
                    if (typeof dev == "undefined") {
                        dev = mode;
                        mode = 438
                    }
                    mode |= 8192;
                    return FS.mknod(path, mode, dev)
                },
                symlink(oldpath, newpath) {
                    if (!PATH_FS.resolve(oldpath)) {
                        throw new FS.ErrnoError(44)
                    }
                    var lookup = FS.lookupPath(newpath, {
                        parent: true
                    });
                    var parent = lookup.node;
                    if (!parent) {
                        throw new FS.ErrnoError(44)
                    }
                    var newname = PATH.basename(newpath);
                    var errCode = FS.mayCreate(parent, newname);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    if (!parent.node_ops.symlink) {
                        throw new FS.ErrnoError(63)
                    }
                    return parent.node_ops.symlink(parent, newname, oldpath)
                },
                rename(old_path, new_path) {
                    var old_dirname = PATH.dirname(old_path);
                    var new_dirname = PATH.dirname(new_path);
                    var old_name = PATH.basename(old_path);
                    var new_name = PATH.basename(new_path);
                    var lookup, old_dir, new_dir;
                    lookup = FS.lookupPath(old_path, {
                        parent: true
                    });
                    old_dir = lookup.node;
                    lookup = FS.lookupPath(new_path, {
                        parent: true
                    });
                    new_dir = lookup.node;
                    if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
                    if (old_dir.mount !== new_dir.mount) {
                        throw new FS.ErrnoError(75)
                    }
                    var old_node = FS.lookupNode(old_dir, old_name);
                    var relative = PATH_FS.relative(old_path, new_dirname);
                    if (relative.charAt(0) !== ".") {
                        throw new FS.ErrnoError(28)
                    }
                    relative = PATH_FS.relative(new_path, old_dirname);
                    if (relative.charAt(0) !== ".") {
                        throw new FS.ErrnoError(55)
                    }
                    var new_node;
                    try {
                        new_node = FS.lookupNode(new_dir, new_name)
                    } catch (e) {}
                    if (old_node === new_node) {
                        return
                    }
                    var isdir = FS.isDir(old_node.mode);
                    var errCode = FS.mayDelete(old_dir, old_name, isdir);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    if (!old_dir.node_ops.rename) {
                        throw new FS.ErrnoError(63)
                    }
                    if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
                        throw new FS.ErrnoError(10)
                    }
                    if (new_dir !== old_dir) {
                        errCode = FS.nodePermissions(old_dir, "w");
                        if (errCode) {
                            throw new FS.ErrnoError(errCode)
                        }
                    }
                    FS.hashRemoveNode(old_node);
                    try {
                        old_dir.node_ops.rename(old_node, new_dir, new_name)
                    } catch (e) {
                        throw e
                    } finally {
                        FS.hashAddNode(old_node)
                    }
                },
                rmdir(path) {
                    var lookup = FS.lookupPath(path, {
                        parent: true
                    });
                    var parent = lookup.node;
                    var name = PATH.basename(path);
                    var node = FS.lookupNode(parent, name);
                    var errCode = FS.mayDelete(parent, name, true);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    if (!parent.node_ops.rmdir) {
                        throw new FS.ErrnoError(63)
                    }
                    if (FS.isMountpoint(node)) {
                        throw new FS.ErrnoError(10)
                    }
                    parent.node_ops.rmdir(parent, name);
                    FS.destroyNode(node)
                },
                readdir(path) {
                    var lookup = FS.lookupPath(path, {
                        follow: true
                    });
                    var node = lookup.node;
                    if (!node.node_ops.readdir) {
                        throw new FS.ErrnoError(54)
                    }
                    return node.node_ops.readdir(node)
                },
                unlink(path) {
                    var lookup = FS.lookupPath(path, {
                        parent: true
                    });
                    var parent = lookup.node;
                    if (!parent) {
                        throw new FS.ErrnoError(44)
                    }
                    var name = PATH.basename(path);
                    var node = FS.lookupNode(parent, name);
                    var errCode = FS.mayDelete(parent, name, false);
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    if (!parent.node_ops.unlink) {
                        throw new FS.ErrnoError(63)
                    }
                    if (FS.isMountpoint(node)) {
                        throw new FS.ErrnoError(10)
                    }
                    parent.node_ops.unlink(parent, name);
                    FS.destroyNode(node)
                },
                readlink(path) {
                    var lookup = FS.lookupPath(path);
                    var link = lookup.node;
                    if (!link) {
                        throw new FS.ErrnoError(44)
                    }
                    if (!link.node_ops.readlink) {
                        throw new FS.ErrnoError(28)
                    }
                    return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link))
                },
                stat(path, dontFollow) {
                    var lookup = FS.lookupPath(path, {
                        follow: !dontFollow
                    });
                    var node = lookup.node;
                    if (!node) {
                        throw new FS.ErrnoError(44)
                    }
                    if (!node.node_ops.getattr) {
                        throw new FS.ErrnoError(63)
                    }
                    return node.node_ops.getattr(node)
                },
                lstat(path) {
                    return FS.stat(path, true)
                },
                chmod(path, mode, dontFollow) {
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, {
                            follow: !dontFollow
                        });
                        node = lookup.node
                    } else {
                        node = path
                    }
                    if (!node.node_ops.setattr) {
                        throw new FS.ErrnoError(63)
                    }
                    node.node_ops.setattr(node, {
                        mode: mode & 4095 | node.mode & ~4095,
                        timestamp: Date.now()
                    })
                },
                lchmod(path, mode) {
                    FS.chmod(path, mode, true)
                },
                fchmod(fd, mode) {
                    var stream = FS.getStreamChecked(fd);
                    FS.chmod(stream.node, mode)
                },
                chown(path, uid, gid, dontFollow) {
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, {
                            follow: !dontFollow
                        });
                        node = lookup.node
                    } else {
                        node = path
                    }
                    if (!node.node_ops.setattr) {
                        throw new FS.ErrnoError(63)
                    }
                    node.node_ops.setattr(node, {
                        timestamp: Date.now()
                    })
                },
                lchown(path, uid, gid) {
                    FS.chown(path, uid, gid, true)
                },
                fchown(fd, uid, gid) {
                    var stream = FS.getStreamChecked(fd);
                    FS.chown(stream.node, uid, gid)
                },
                truncate(path, len) {
                    if (len < 0) {
                        throw new FS.ErrnoError(28)
                    }
                    var node;
                    if (typeof path == "string") {
                        var lookup = FS.lookupPath(path, {
                            follow: true
                        });
                        node = lookup.node
                    } else {
                        node = path
                    }
                    if (!node.node_ops.setattr) {
                        throw new FS.ErrnoError(63)
                    }
                    if (FS.isDir(node.mode)) {
                        throw new FS.ErrnoError(31)
                    }
                    if (!FS.isFile(node.mode)) {
                        throw new FS.ErrnoError(28)
                    }
                    var errCode = FS.nodePermissions(node, "w");
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    node.node_ops.setattr(node, {
                        size: len,
                        timestamp: Date.now()
                    })
                },
                ftruncate(fd, len) {
                    var stream = FS.getStreamChecked(fd);
                    if ((stream.flags & 2097155) === 0) {
                        throw new FS.ErrnoError(28)
                    }
                    FS.truncate(stream.node, len)
                },
                utime(path, atime, mtime) {
                    var lookup = FS.lookupPath(path, {
                        follow: true
                    });
                    var node = lookup.node;
                    node.node_ops.setattr(node, {
                        timestamp: Math.max(atime, mtime)
                    })
                },
                open(path, flags, mode) {
                    if (path === "") {
                        throw new FS.ErrnoError(44)
                    }
                    flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
                    mode = typeof mode == "undefined" ? 438 : mode;
                    if (flags & 64) {
                        mode = mode & 4095 | 32768
                    } else {
                        mode = 0
                    }
                    var node;
                    if (typeof path == "object") {
                        node = path
                    } else {
                        path = PATH.normalize(path);
                        try {
                            var lookup = FS.lookupPath(path, {
                                follow: !(flags & 131072)
                            });
                            node = lookup.node
                        } catch (e) {}
                    }
                    var created = false;
                    if (flags & 64) {
                        if (node) {
                            if (flags & 128) {
                                throw new FS.ErrnoError(20)
                            }
                        } else {
                            node = FS.mknod(path, mode, 0);
                            created = true
                        }
                    }
                    if (!node) {
                        throw new FS.ErrnoError(44)
                    }
                    if (FS.isChrdev(node.mode)) {
                        flags &= ~512
                    }
                    if (flags & 65536 && !FS.isDir(node.mode)) {
                        throw new FS.ErrnoError(54)
                    }
                    if (!created) {
                        var errCode = FS.mayOpen(node, flags);
                        if (errCode) {
                            throw new FS.ErrnoError(errCode)
                        }
                    }
                    if (flags & 512 && !created) {
                        FS.truncate(node, 0)
                    }
                    flags &= ~(128 | 512 | 131072);
                    var stream = FS.createStream({
                        node: node,
                        path: FS.getPath(node),
                        flags: flags,
                        seekable: true,
                        position: 0,
                        stream_ops: node.stream_ops,
                        ungotten: [],
                        error: false
                    });
                    if (stream.stream_ops.open) {
                        stream.stream_ops.open(stream)
                    }
                    if (Module["logReadFiles"] && !(flags & 1)) {
                        if (!FS.readFiles) FS.readFiles = {};
                        if (!(path in FS.readFiles)) {
                            FS.readFiles[path] = 1
                        }
                    }
                    return stream
                },
                close(stream) {
                    if (FS.isClosed(stream)) {
                        throw new FS.ErrnoError(8)
                    }
                    if (stream.getdents) stream.getdents = null;
                    try {
                        if (stream.stream_ops.close) {
                            stream.stream_ops.close(stream)
                        }
                    } catch (e) {
                        throw e
                    } finally {
                        FS.closeStream(stream.fd)
                    }
                    stream.fd = null
                },
                isClosed(stream) {
                    return stream.fd === null
                },
                llseek(stream, offset, whence) {
                    if (FS.isClosed(stream)) {
                        throw new FS.ErrnoError(8)
                    }
                    if (!stream.seekable || !stream.stream_ops.llseek) {
                        throw new FS.ErrnoError(70)
                    }
                    if (whence != 0 && whence != 1 && whence != 2) {
                        throw new FS.ErrnoError(28)
                    }
                    stream.position = stream.stream_ops.llseek(stream, offset, whence);
                    stream.ungotten = [];
                    return stream.position
                },
                read(stream, buffer, offset, length, position) {
                    if (length < 0 || position < 0) {
                        throw new FS.ErrnoError(28)
                    }
                    if (FS.isClosed(stream)) {
                        throw new FS.ErrnoError(8)
                    }
                    if ((stream.flags & 2097155) === 1) {
                        throw new FS.ErrnoError(8)
                    }
                    if (FS.isDir(stream.node.mode)) {
                        throw new FS.ErrnoError(31)
                    }
                    if (!stream.stream_ops.read) {
                        throw new FS.ErrnoError(28)
                    }
                    var seeking = typeof position != "undefined";
                    if (!seeking) {
                        position = stream.position
                    } else if (!stream.seekable) {
                        throw new FS.ErrnoError(70)
                    }
                    var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
                    if (!seeking) stream.position += bytesRead;
                    return bytesRead
                },
                write(stream, buffer, offset, length, position, canOwn) {
                    if (length < 0 || position < 0) {
                        throw new FS.ErrnoError(28)
                    }
                    if (FS.isClosed(stream)) {
                        throw new FS.ErrnoError(8)
                    }
                    if ((stream.flags & 2097155) === 0) {
                        throw new FS.ErrnoError(8)
                    }
                    if (FS.isDir(stream.node.mode)) {
                        throw new FS.ErrnoError(31)
                    }
                    if (!stream.stream_ops.write) {
                        throw new FS.ErrnoError(28)
                    }
                    if (stream.seekable && stream.flags & 1024) {
                        FS.llseek(stream, 0, 2)
                    }
                    var seeking = typeof position != "undefined";
                    if (!seeking) {
                        position = stream.position
                    } else if (!stream.seekable) {
                        throw new FS.ErrnoError(70)
                    }
                    var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
                    if (!seeking) stream.position += bytesWritten;
                    return bytesWritten
                },
                allocate(stream, offset, length) {
                    if (FS.isClosed(stream)) {
                        throw new FS.ErrnoError(8)
                    }
                    if (offset < 0 || length <= 0) {
                        throw new FS.ErrnoError(28)
                    }
                    if ((stream.flags & 2097155) === 0) {
                        throw new FS.ErrnoError(8)
                    }
                    if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
                        throw new FS.ErrnoError(43)
                    }
                    if (!stream.stream_ops.allocate) {
                        throw new FS.ErrnoError(138)
                    }
                    stream.stream_ops.allocate(stream, offset, length)
                },
                mmap(stream, length, position, prot, flags) {
                    if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
                        throw new FS.ErrnoError(2)
                    }
                    if ((stream.flags & 2097155) === 1) {
                        throw new FS.ErrnoError(2)
                    }
                    if (!stream.stream_ops.mmap) {
                        throw new FS.ErrnoError(43)
                    }
                    return stream.stream_ops.mmap(stream, length, position, prot, flags)
                },
                msync(stream, buffer, offset, length, mmapFlags) {
                    if (!stream.stream_ops.msync) {
                        return 0
                    }
                    return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags)
                },
                munmap: stream => 0,
                ioctl(stream, cmd, arg) {
                    if (!stream.stream_ops.ioctl) {
                        throw new FS.ErrnoError(59)
                    }
                    return stream.stream_ops.ioctl(stream, cmd, arg)
                },
                readFile(path, opts = {}) {
                    opts.flags = opts.flags || 0;
                    opts.encoding = opts.encoding || "binary";
                    if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
                        throw new Error(`Invalid encoding type "${opts.encoding}"`)
                    }
                    var ret;
                    var stream = FS.open(path, opts.flags);
                    var stat = FS.stat(path);
                    var length = stat.size;
                    var buf = new Uint8Array(length);
                    FS.read(stream, buf, 0, length, 0);
                    if (opts.encoding === "utf8") {
                        ret = UTF8ArrayToString(buf, 0)
                    } else if (opts.encoding === "binary") {
                        ret = buf
                    }
                    FS.close(stream);
                    return ret
                },
                writeFile(path, data, opts = {}) {
                    opts.flags = opts.flags || 577;
                    var stream = FS.open(path, opts.flags, opts.mode);
                    if (typeof data == "string") {
                        var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
                        var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
                        FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn)
                    } else if (ArrayBuffer.isView(data)) {
                        FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn)
                    } else {
                        throw new Error("Unsupported data type")
                    }
                    FS.close(stream)
                },
                cwd: () => FS.currentPath,
                chdir(path) {
                    var lookup = FS.lookupPath(path, {
                        follow: true
                    });
                    if (lookup.node === null) {
                        throw new FS.ErrnoError(44)
                    }
                    if (!FS.isDir(lookup.node.mode)) {
                        throw new FS.ErrnoError(54)
                    }
                    var errCode = FS.nodePermissions(lookup.node, "x");
                    if (errCode) {
                        throw new FS.ErrnoError(errCode)
                    }
                    FS.currentPath = lookup.path
                },
                createDefaultDirectories() {
                    FS.mkdir("/tmp");
                    FS.mkdir("/home");
                    FS.mkdir("/home/web_user")
                },
                createDefaultDevices() {
                    FS.mkdir("/dev");
                    FS.registerDevice(FS.makedev(1, 3), {
                        read: () => 0,
                        write: (stream, buffer, offset, length, pos) => length
                    });
                    FS.mkdev("/dev/null", FS.makedev(1, 3));
                    TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
                    TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
                    FS.mkdev("/dev/tty", FS.makedev(5, 0));
                    FS.mkdev("/dev/tty1", FS.makedev(6, 0));
                    var randomBuffer = new Uint8Array(1024),
                        randomLeft = 0;
                    var randomByte = () => {
                        if (randomLeft === 0) {
                            randomLeft = randomFill(randomBuffer).byteLength
                        }
                        return randomBuffer[--randomLeft]
                    };
                    FS.createDevice("/dev", "random", randomByte);
                    FS.createDevice("/dev", "urandom", randomByte);
                    FS.mkdir("/dev/shm");
                    FS.mkdir("/dev/shm/tmp")
                },
                createSpecialDirectories() {
                    FS.mkdir("/proc");
                    var proc_self = FS.mkdir("/proc/self");
                    FS.mkdir("/proc/self/fd");
                    FS.mount({
                        mount() {
                            var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
                            node.node_ops = {
                                lookup(parent, name) {
                                    var fd = +name;
                                    var stream = FS.getStreamChecked(fd);
                                    var ret = {
                                        parent: null,
                                        mount: {
                                            mountpoint: "fake"
                                        },
                                        node_ops: {
                                            readlink: () => stream.path
                                        }
                                    };
                                    ret.parent = ret;
                                    return ret
                                }
                            };
                            return node
                        }
                    }, {}, "/proc/self/fd")
                },
                createStandardStreams() {
                    if (Module["stdin"]) {
                        FS.createDevice("/dev", "stdin", Module["stdin"])
                    } else {
                        FS.symlink("/dev/tty", "/dev/stdin")
                    }
                    if (Module["stdout"]) {
                        FS.createDevice("/dev", "stdout", null, Module["stdout"])
                    } else {
                        FS.symlink("/dev/tty", "/dev/stdout")
                    }
                    if (Module["stderr"]) {
                        FS.createDevice("/dev", "stderr", null, Module["stderr"])
                    } else {
                        FS.symlink("/dev/tty1", "/dev/stderr")
                    }
                    var stdin = FS.open("/dev/stdin", 0);
                    var stdout = FS.open("/dev/stdout", 1);
                    var stderr = FS.open("/dev/stderr", 1)
                },
                staticInit() {
                    [44].forEach(code => {
                        FS.genericErrors[code] = new FS.ErrnoError(code);
                        FS.genericErrors[code].stack = "<generic error, no stack>"
                    });
                    FS.nameTable = new Array(4096);
                    FS.mount(MEMFS, {}, "/");
                    FS.createDefaultDirectories();
                    FS.createDefaultDevices();
                    FS.createSpecialDirectories();
                    FS.filesystems = {
                        "MEMFS": MEMFS
                    }
                },
                init(input, output, error) {
                    FS.init.initialized = true;
                    Module["stdin"] = input || Module["stdin"];
                    Module["stdout"] = output || Module["stdout"];
                    Module["stderr"] = error || Module["stderr"];
                    FS.createStandardStreams()
                },
                quit() {
                    FS.init.initialized = false;
                    for (var i = 0; i < FS.streams.length; i++) {
                        var stream = FS.streams[i];
                        if (!stream) {
                            continue
                        }
                        FS.close(stream)
                    }
                },
                findObject(path, dontResolveLastLink) {
                    var ret = FS.analyzePath(path, dontResolveLastLink);
                    if (!ret.exists) {
                        return null
                    }
                    return ret.object
                },
                analyzePath(path, dontResolveLastLink) {
                    try {
                        var lookup = FS.lookupPath(path, {
                            follow: !dontResolveLastLink
                        });
                        path = lookup.path
                    } catch (e) {}
                    var ret = {
                        isRoot: false,
                        exists: false,
                        error: 0,
                        name: null,
                        path: null,
                        object: null,
                        parentExists: false,
                        parentPath: null,
                        parentObject: null
                    };
                    try {
                        var lookup = FS.lookupPath(path, {
                            parent: true
                        });
                        ret.parentExists = true;
                        ret.parentPath = lookup.path;
                        ret.parentObject = lookup.node;
                        ret.name = PATH.basename(path);
                        lookup = FS.lookupPath(path, {
                            follow: !dontResolveLastLink
                        });
                        ret.exists = true;
                        ret.path = lookup.path;
                        ret.object = lookup.node;
                        ret.name = lookup.node.name;
                        ret.isRoot = lookup.path === "/"
                    } catch (e) {
                        ret.error = e.errno
                    }
                    return ret
                },
                createPath(parent, path, canRead, canWrite) {
                    parent = typeof parent == "string" ? parent : FS.getPath(parent);
                    var parts = path.split("/").reverse();
                    while (parts.length) {
                        var part = parts.pop();
                        if (!part) continue;
                        var current = PATH.join2(parent, part);
                        try {
                            FS.mkdir(current)
                        } catch (e) {}
                        parent = current
                    }
                    return current
                },
                createFile(parent, name, properties, canRead, canWrite) {
                    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
                    var mode = FS_getMode(canRead, canWrite);
                    return FS.create(path, mode)
                },
                createDataFile(parent, name, data, canRead, canWrite, canOwn) {
                    var path = name;
                    if (parent) {
                        parent = typeof parent == "string" ? parent : FS.getPath(parent);
                        path = name ? PATH.join2(parent, name) : parent
                    }
                    var mode = FS_getMode(canRead, canWrite);
                    var node = FS.create(path, mode);
                    if (data) {
                        if (typeof data == "string") {
                            var arr = new Array(data.length);
                            for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
                            data = arr
                        }
                        FS.chmod(node, mode | 146);
                        var stream = FS.open(node, 577);
                        FS.write(stream, data, 0, data.length, 0, canOwn);
                        FS.close(stream);
                        FS.chmod(node, mode)
                    }
                },
                createDevice(parent, name, input, output) {
                    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
                    var mode = FS_getMode(!!input, !!output);
                    if (!FS.createDevice.major) FS.createDevice.major = 64;
                    var dev = FS.makedev(FS.createDevice.major++, 0);
                    FS.registerDevice(dev, {
                        open(stream) {
                            stream.seekable = false
                        },
                        close(stream) {
                            if (output?.buffer?.length) {
                                output(10)
                            }
                        },
                        read(stream, buffer, offset, length, pos) {
                            var bytesRead = 0;
                            for (var i = 0; i < length; i++) {
                                var result;
                                try {
                                    result = input()
                                } catch (e) {
                                    throw new FS.ErrnoError(29)
                                }
                                if (result === undefined && bytesRead === 0) {
                                    throw new FS.ErrnoError(6)
                                }
                                if (result === null || result === undefined) break;
                                bytesRead++;
                                buffer[offset + i] = result
                            }
                            if (bytesRead) {
                                stream.node.timestamp = Date.now()
                            }
                            return bytesRead
                        },
                        write(stream, buffer, offset, length, pos) {
                            for (var i = 0; i < length; i++) {
                                try {
                                    output(buffer[offset + i])
                                } catch (e) {
                                    throw new FS.ErrnoError(29)
                                }
                            }
                            if (length) {
                                stream.node.timestamp = Date.now()
                            }
                            return i
                        }
                    });
                    return FS.mkdev(path, mode, dev)
                },
                forceLoadFile(obj) {
                    if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
                    if (typeof XMLHttpRequest != "undefined") {
                        throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.")
                    } else if (read_) {
                        try {
                            obj.contents = intArrayFromString(read_(obj.url), true);
                            obj.usedBytes = obj.contents.length
                        } catch (e) {
                            throw new FS.ErrnoError(29)
                        }
                    } else {
                        throw new Error("Cannot load without read() or XMLHttpRequest.")
                    }
                },
                createLazyFile(parent, name, url, canRead, canWrite) {
                    function LazyUint8Array() {
                        this.lengthKnown = false;
                        this.chunks = []
                    }
                    LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
                        if (idx > this.length - 1 || idx < 0) {
                            return undefined
                        }
                        var chunkOffset = idx % this.chunkSize;
                        var chunkNum = idx / this.chunkSize | 0;
                        return this.getter(chunkNum)[chunkOffset]
                    };
                    LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
                        this.getter = getter
                    };
                    LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
                        var xhr = new XMLHttpRequest;
                        xhr.open("HEAD", url, false);
                        xhr.send(null);
                        if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                        var datalength = Number(xhr.getResponseHeader("Content-length"));
                        var header;
                        var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
                        var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
                        var chunkSize = 1024 * 1024;
                        if (!hasByteServing) chunkSize = datalength;
                        var doXHR = (from, to) => {
                            if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
                            if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
                            var xhr = new XMLHttpRequest;
                            xhr.open("GET", url, false);
                            if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
                            xhr.responseType = "arraybuffer";
                            if (xhr.overrideMimeType) {
                                xhr.overrideMimeType("text/plain; charset=x-user-defined")
                            }
                            xhr.send(null);
                            if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
                            if (xhr.response !== undefined) {
                                return new Uint8Array(xhr.response || [])
                            }
                            return intArrayFromString(xhr.responseText || "", true)
                        };
                        var lazyArray = this;
                        lazyArray.setDataGetter(chunkNum => {
                            var start = chunkNum * chunkSize;
                            var end = (chunkNum + 1) * chunkSize - 1;
                            end = Math.min(end, datalength - 1);
                            if (typeof lazyArray.chunks[chunkNum] == "undefined") {
                                lazyArray.chunks[chunkNum] = doXHR(start, end)
                            }
                            if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
                            return lazyArray.chunks[chunkNum]
                        });
                        if (usesGzip || !datalength) {
                            chunkSize = datalength = 1;
                            datalength = this.getter(0).length;
                            chunkSize = datalength;
                            out("LazyFiles on gzip forces download of the whole file when length is accessed")
                        }
                        this._length = datalength;
                        this._chunkSize = chunkSize;
                        this.lengthKnown = true
                    };
                    if (typeof XMLHttpRequest != "undefined") {
                        if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
                        var lazyArray = new LazyUint8Array;
                        Object.defineProperties(lazyArray, {
                            length: {
                                get: function() {
                                    if (!this.lengthKnown) {
                                        this.cacheLength()
                                    }
                                    return this._length
                                }
                            },
                            chunkSize: {
                                get: function() {
                                    if (!this.lengthKnown) {
                                        this.cacheLength()
                                    }
                                    return this._chunkSize
                                }
                            }
                        });
                        var properties = {
                            isDevice: false,
                            contents: lazyArray
                        }
                    } else {
                        var properties = {
                            isDevice: false,
                            url: url
                        }
                    }
                    var node = FS.createFile(parent, name, properties, canRead, canWrite);
                    if (properties.contents) {
                        node.contents = properties.contents
                    } else if (properties.url) {
                        node.contents = null;
                        node.url = properties.url
                    }
                    Object.defineProperties(node, {
                        usedBytes: {
                            get: function() {
                                return this.contents.length
                            }
                        }
                    });
                    var stream_ops = {};
                    var keys = Object.keys(node.stream_ops);
                    keys.forEach(key => {
                        var fn = node.stream_ops[key];
                        stream_ops[key] = (...args) => {
                            FS.forceLoadFile(node);
                            return fn(...args)
                        }
                    });

                    function writeChunks(stream, buffer, offset, length, position) {
                        var contents = stream.node.contents;
                        if (position >= contents.length) return 0;
                        var size = Math.min(contents.length - position, length);
                        if (contents.slice) {
                            for (var i = 0; i < size; i++) {
                                buffer[offset + i] = contents[position + i]
                            }
                        } else {
                            for (var i = 0; i < size; i++) {
                                buffer[offset + i] = contents.get(position + i)
                            }
                        }
                        return size
                    }
                    stream_ops.read = (stream, buffer, offset, length, position) => {
                        FS.forceLoadFile(node);
                        return writeChunks(stream, buffer, offset, length, position)
                    };
                    stream_ops.mmap = (stream, length, position, prot, flags) => {
                        FS.forceLoadFile(node);
                        var ptr = mmapAlloc(length);
                        if (!ptr) {
                            throw new FS.ErrnoError(48)
                        }
                        writeChunks(stream, HEAP8, ptr, length, position);
                        return {
                            ptr: ptr,
                            allocated: true
                        }
                    };
                    node.stream_ops = stream_ops;
                    return node
                }
            };
            var UTF8ToString = (ptr, maxBytesToRead) => ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
            var SYSCALLS = {
                DEFAULT_POLLMASK: 5,
                calculateAt(dirfd, path, allowEmpty) {
                    if (PATH.isAbs(path)) {
                        return path
                    }
                    var dir;
                    if (dirfd === -100) {
                        dir = FS.cwd()
                    } else {
                        var dirstream = SYSCALLS.getStreamFromFD(dirfd);
                        dir = dirstream.path
                    }
                    if (path.length == 0) {
                        if (!allowEmpty) {
                            throw new FS.ErrnoError(44)
                        }
                        return dir
                    }
                    return PATH.join2(dir, path)
                },
                doStat(func, path, buf) {
                    var stat = func(path);
                    HEAP32[buf >> 2] = stat.dev;
                    HEAP32[buf + 4 >> 2] = stat.mode;
                    HEAPU32[buf + 8 >> 2] = stat.nlink;
                    HEAP32[buf + 12 >> 2] = stat.uid;
                    HEAP32[buf + 16 >> 2] = stat.gid;
                    HEAP32[buf + 20 >> 2] = stat.rdev;
                    tempI64 = [stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 24 >> 2] = tempI64[0], HEAP32[buf + 28 >> 2] = tempI64[1];
                    HEAP32[buf + 32 >> 2] = 4096;
                    HEAP32[buf + 36 >> 2] = stat.blocks;
                    var atime = stat.atime.getTime();
                    var mtime = stat.mtime.getTime();
                    var ctime = stat.ctime.getTime();
                    tempI64 = [Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 40 >> 2] = tempI64[0], HEAP32[buf + 44 >> 2] = tempI64[1];
                    HEAPU32[buf + 48 >> 2] = atime % 1e3 * 1e3;
                    tempI64 = [Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 56 >> 2] = tempI64[0], HEAP32[buf + 60 >> 2] = tempI64[1];
                    HEAPU32[buf + 64 >> 2] = mtime % 1e3 * 1e3;
                    tempI64 = [Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 72 >> 2] = tempI64[0], HEAP32[buf + 76 >> 2] = tempI64[1];
                    HEAPU32[buf + 80 >> 2] = ctime % 1e3 * 1e3;
                    tempI64 = [stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[buf + 88 >> 2] = tempI64[0], HEAP32[buf + 92 >> 2] = tempI64[1];
                    return 0
                },
                doMsync(addr, stream, len, flags, offset) {
                    if (!FS.isFile(stream.node.mode)) {
                        throw new FS.ErrnoError(43)
                    }
                    if (flags & 2) {
                        return 0
                    }
                    var buffer = HEAPU8.slice(addr, addr + len);
                    FS.msync(stream, buffer, offset, len, flags)
                },
                varargs: undefined,
                get() {
                    var ret = HEAP32[+SYSCALLS.varargs >> 2];
                    SYSCALLS.varargs += 4;
                    return ret
                },
                getp() {
                    return SYSCALLS.get()
                },
                getStr(ptr) {
                    var ret = UTF8ToString(ptr);
                    return ret
                },
                getStreamFromFD(fd) {
                    var stream = FS.getStreamChecked(fd);
                    return stream
                }
            };

            function ___syscall_fcntl64(fd, cmd, varargs) {
                SYSCALLS.varargs = varargs;
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    switch (cmd) {
                        case 0: {
                            var arg = SYSCALLS.get();
                            if (arg < 0) {
                                return -28
                            }
                            while (FS.streams[arg]) {
                                arg++
                            }
                            var newStream;
                            newStream = FS.createStream(stream, arg);
                            return newStream.fd
                        }
                        case 1:
                        case 2:
                            return 0;
                        case 3:
                            return stream.flags;
                        case 4: {
                            var arg = SYSCALLS.get();
                            stream.flags |= arg;
                            return 0
                        }
                        case 12: {
                            var arg = SYSCALLS.getp();
                            var offset = 0;
                            HEAP16[arg + offset >> 1] = 2;
                            return 0
                        }
                        case 13:
                        case 14:
                            return 0
                    }
                    return -28
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return -e.errno
                }
            }

            function ___syscall_ioctl(fd, op, varargs) {
                SYSCALLS.varargs = varargs;
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    switch (op) {
                        case 21509: {
                            if (!stream.tty) return -59;
                            return 0
                        }
                        case 21505: {
                            if (!stream.tty) return -59;
                            if (stream.tty.ops.ioctl_tcgets) {
                                var termios = stream.tty.ops.ioctl_tcgets(stream);
                                var argp = SYSCALLS.getp();
                                HEAP32[argp >> 2] = termios.c_iflag || 0;
                                HEAP32[argp + 4 >> 2] = termios.c_oflag || 0;
                                HEAP32[argp + 8 >> 2] = termios.c_cflag || 0;
                                HEAP32[argp + 12 >> 2] = termios.c_lflag || 0;
                                for (var i = 0; i < 32; i++) {
                                    HEAP8[argp + i + 17] = termios.c_cc[i] || 0
                                }
                                return 0
                            }
                            return 0
                        }
                        case 21510:
                        case 21511:
                        case 21512: {
                            if (!stream.tty) return -59;
                            return 0
                        }
                        case 21506:
                        case 21507:
                        case 21508: {
                            if (!stream.tty) return -59;
                            if (stream.tty.ops.ioctl_tcsets) {
                                var argp = SYSCALLS.getp();
                                var c_iflag = HEAP32[argp >> 2];
                                var c_oflag = HEAP32[argp + 4 >> 2];
                                var c_cflag = HEAP32[argp + 8 >> 2];
                                var c_lflag = HEAP32[argp + 12 >> 2];
                                var c_cc = [];
                                for (var i = 0; i < 32; i++) {
                                    c_cc.push(HEAP8[argp + i + 17])
                                }
                                return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
                                    c_iflag: c_iflag,
                                    c_oflag: c_oflag,
                                    c_cflag: c_cflag,
                                    c_lflag: c_lflag,
                                    c_cc: c_cc
                                })
                            }
                            return 0
                        }
                        case 21519: {
                            if (!stream.tty) return -59;
                            var argp = SYSCALLS.getp();
                            HEAP32[argp >> 2] = 0;
                            return 0
                        }
                        case 21520: {
                            if (!stream.tty) return -59;
                            return -28
                        }
                        case 21531: {
                            var argp = SYSCALLS.getp();
                            return FS.ioctl(stream, op, argp)
                        }
                        case 21523: {
                            if (!stream.tty) return -59;
                            if (stream.tty.ops.ioctl_tiocgwinsz) {
                                var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
                                var argp = SYSCALLS.getp();
                                HEAP16[argp >> 1] = winsize[0];
                                HEAP16[argp + 2 >> 1] = winsize[1]
                            }
                            return 0
                        }
                        case 21524: {
                            if (!stream.tty) return -59;
                            return 0
                        }
                        case 21515: {
                            if (!stream.tty) return -59;
                            return 0
                        }
                        default:
                            return -28
                    }
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return -e.errno
                }
            }

            function ___syscall_openat(dirfd, path, flags, varargs) {
                SYSCALLS.varargs = varargs;
                try {
                    path = SYSCALLS.getStr(path);
                    path = SYSCALLS.calculateAt(dirfd, path);
                    var mode = varargs ? SYSCALLS.get() : 0;
                    return FS.open(path, flags, mode).fd
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return -e.errno
                }
            }

            function ___syscall_stat64(path, buf) {
                try {
                    path = SYSCALLS.getStr(path);
                    return SYSCALLS.doStat(FS.stat, path, buf)
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return -e.errno
                }
            }
            var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
            var abortOnCannotGrowMemory = requestedSize => {
                abort("OOM")
            };
            var _emscripten_resize_heap = requestedSize => {
                var oldSize = HEAPU8.length;
                requestedSize >>>= 0;
                abortOnCannotGrowMemory(requestedSize)
            };
            var ENV = {};
            var getExecutableName = () => thisProgram || "./this.program";
            var getEnvStrings = () => {
                if (!getEnvStrings.strings) {
                    var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
                    var env = {
                        "USER": "web_user",
                        "LOGNAME": "web_user",
                        "PATH": "/",
                        "PWD": "/",
                        "HOME": "/home/web_user",
                        "LANG": lang,
                        "_": getExecutableName()
                    };
                    for (var x in ENV) {
                        if (ENV[x] === undefined) delete env[x];
                        else env[x] = ENV[x]
                    }
                    var strings = [];
                    for (var x in env) {
                        strings.push(`${x}=${env[x]}`)
                    }
                    getEnvStrings.strings = strings
                }
                return getEnvStrings.strings
            };
            var stringToAscii = (str, buffer) => {
                for (var i = 0; i < str.length; ++i) {
                    HEAP8[buffer++] = str.charCodeAt(i)
                }
                HEAP8[buffer] = 0
            };
            var _environ_get = (__environ, environ_buf) => {
                var bufSize = 0;
                getEnvStrings().forEach((string, i) => {
                    var ptr = environ_buf + bufSize;
                    HEAPU32[__environ + i * 4 >> 2] = ptr;
                    stringToAscii(string, ptr);
                    bufSize += string.length + 1
                });
                return 0
            };
            var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
                var strings = getEnvStrings();
                HEAPU32[penviron_count >> 2] = strings.length;
                var bufSize = 0;
                strings.forEach(string => bufSize += string.length + 1);
                HEAPU32[penviron_buf_size >> 2] = bufSize;
                return 0
            };
            var runtimeKeepaliveCounter = 0;
            var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
            var _proc_exit = code => {
                EXITSTATUS = code;
                if (!keepRuntimeAlive()) {
                    Module["onExit"]?.(code);
                    ABORT = true
                }
                quit_(code, new ExitStatus(code))
            };
            var exitJS = (status, implicit) => {
                EXITSTATUS = status;
                _proc_exit(status)
            };
            var _exit = exitJS;

            function _fd_close(fd) {
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    FS.close(stream);
                    return 0
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return e.errno
                }
            }

            function _fd_fdstat_get(fd, pbuf) {
                try {
                    var rightsBase = 0;
                    var rightsInheriting = 0;
                    var flags = 0;
                    {
                        var stream = SYSCALLS.getStreamFromFD(fd);
                        var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4
                    }
                    HEAP8[pbuf] = type;
                    HEAP16[pbuf + 2 >> 1] = flags;
                    tempI64 = [rightsBase >>> 0, (tempDouble = rightsBase, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 8 >> 2] = tempI64[0], HEAP32[pbuf + 12 >> 2] = tempI64[1];
                    tempI64 = [rightsInheriting >>> 0, (tempDouble = rightsInheriting, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[pbuf + 16 >> 2] = tempI64[0], HEAP32[pbuf + 20 >> 2] = tempI64[1];
                    return 0
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return e.errno
                }
            }
            var doReadv = (stream, iov, iovcnt, offset) => {
                var ret = 0;
                for (var i = 0; i < iovcnt; i++) {
                    var ptr = HEAPU32[iov >> 2];
                    var len = HEAPU32[iov + 4 >> 2];
                    iov += 8;
                    var curr = FS.read(stream, HEAP8, ptr, len, offset);
                    if (curr < 0) return -1;
                    ret += curr;
                    if (curr < len) break;
                    if (typeof offset !== "undefined") {
                        offset += curr
                    }
                }
                return ret
            };

            function _fd_read(fd, iov, iovcnt, pnum) {
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var num = doReadv(stream, iov, iovcnt);
                    HEAPU32[pnum >> 2] = num;
                    return 0
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return e.errno
                }
            }
            var convertI32PairToI53Checked = (lo, hi) => hi + 2097152 >>> 0 < 4194305 - !!lo ? (lo >>> 0) + hi * 4294967296 : NaN;

            function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
                var offset = convertI32PairToI53Checked(offset_low, offset_high);
                try {
                    if (isNaN(offset)) return 61;
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    FS.llseek(stream, offset, whence);
                    tempI64 = [stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? +Math.floor(tempDouble / 4294967296) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0)], HEAP32[newOffset >> 2] = tempI64[0], HEAP32[newOffset + 4 >> 2] = tempI64[1];
                    if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
                    return 0
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return e.errno
                }
            }
            var doWritev = (stream, iov, iovcnt, offset) => {
                var ret = 0;
                for (var i = 0; i < iovcnt; i++) {
                    var ptr = HEAPU32[iov >> 2];
                    var len = HEAPU32[iov + 4 >> 2];
                    iov += 8;
                    var curr = FS.write(stream, HEAP8, ptr, len, offset);
                    if (curr < 0) return -1;
                    ret += curr;
                    if (typeof offset !== "undefined") {
                        offset += curr
                    }
                }
                return ret
            };

            function _fd_write(fd, iov, iovcnt, pnum) {
                try {
                    var stream = SYSCALLS.getStreamFromFD(fd);
                    var num = doWritev(stream, iov, iovcnt);
                    HEAPU32[pnum >> 2] = num;
                    return 0
                } catch (e) {
                    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
                    return e.errno
                }
            }
            var runAndAbortIfError = func => {
                try {
                    return func()
                } catch (e) {
                    abort(e)
                }
            };
            var handleException = e => {
                if (e instanceof ExitStatus || e == "unwind") {
                    return EXITSTATUS
                }
                quit_(1, e)
            };
            var maybeExit = () => {
                if (!keepRuntimeAlive()) {
                    try {
                        _exit(EXITSTATUS)
                    } catch (e) {
                        handleException(e)
                    }
                }
            };
            var callUserCallback = func => {
                if (ABORT) {
                    return
                }
                try {
                    func();
                    maybeExit()
                } catch (e) {
                    handleException(e)
                }
            };
            var runtimeKeepalivePush = () => {
                runtimeKeepaliveCounter += 1
            };
            var runtimeKeepalivePop = () => {
                runtimeKeepaliveCounter -= 1
            };
            var Asyncify = {
                instrumentWasmImports(imports) {
                    var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
                    for (let [x, original] of Object.entries(imports)) {
                        let sig = original.sig;
                        if (typeof original == "function") {
                            let isAsyncifyImport = original.isAsync || importPattern.test(x)
                        }
                    }
                },
                instrumentWasmExports(exports) {
                    var ret = {};
                    for (let [x, original] of Object.entries(exports)) {
                        if (typeof original == "function") {
                            ret[x] = (...args) => {
                                Asyncify.exportCallStack.push(x);
                                try {
                                    return original(...args)
                                } finally {
                                    if (!ABORT) {
                                        var y = Asyncify.exportCallStack.pop();
                                        Asyncify.maybeStopUnwind()
                                    }
                                }
                            }
                        } else {
                            ret[x] = original
                        }
                    }
                    return ret
                },
                State: {
                    Normal: 0,
                    Unwinding: 1,
                    Rewinding: 2,
                    Disabled: 3
                },
                state: 0,
                StackSize: 4096,
                currData: null,
                handleSleepReturnValue: 0,
                exportCallStack: [],
                callStackNameToId: {},
                callStackIdToName: {},
                callStackId: 0,
                asyncPromiseHandlers: null,
                sleepCallbacks: [],
                getCallStackId(funcName) {
                    var id = Asyncify.callStackNameToId[funcName];
                    if (id === undefined) {
                        id = Asyncify.callStackId++;
                        Asyncify.callStackNameToId[funcName] = id;
                        Asyncify.callStackIdToName[id] = funcName
                    }
                    return id
                },
                maybeStopUnwind() {
                    if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) {
                        Asyncify.state = Asyncify.State.Normal;
                        runAndAbortIfError(_asyncify_stop_unwind);
                        if (typeof Fibers != "undefined") {
                            Fibers.trampoline()
                        }
                    }
                },
                whenDone() {
                    return new Promise((resolve, reject) => {
                        Asyncify.asyncPromiseHandlers = {
                            resolve: resolve,
                            reject: reject
                        }
                    })
                },
                allocateData() {
                    var ptr = _malloc(12 + Asyncify.StackSize);
                    Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize);
                    Asyncify.setDataRewindFunc(ptr);
                    return ptr
                },
                setDataHeader(ptr, stack, stackSize) {
                    HEAPU32[ptr >> 2] = stack;
                    HEAPU32[ptr + 4 >> 2] = stack + stackSize
                },
                setDataRewindFunc(ptr) {
                    var bottomOfCallStack = Asyncify.exportCallStack[0];
                    var rewindId = Asyncify.getCallStackId(bottomOfCallStack);
                    HEAP32[ptr + 8 >> 2] = rewindId
                },
                getDataRewindFunc(ptr) {
                    var id = HEAP32[ptr + 8 >> 2];
                    var name = Asyncify.callStackIdToName[id];
                    var func = wasmExports[name];
                    return func
                },
                doRewind(ptr) {
                    var start = Asyncify.getDataRewindFunc(ptr);
                    return start()
                },
                handleSleep(startAsync) {
                    if (ABORT) return;
                    if (Asyncify.state === Asyncify.State.Normal) {
                        var reachedCallback = false;
                        var reachedAfterCallback = false;
                        startAsync((handleSleepReturnValue = 0) => {
                            if (ABORT) return;
                            Asyncify.handleSleepReturnValue = handleSleepReturnValue;
                            reachedCallback = true;
                            if (!reachedAfterCallback) {
                                return
                            }
                            Asyncify.state = Asyncify.State.Rewinding;
                            runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData));
                            if (typeof Browser != "undefined" && Browser.mainLoop.func) {
                                Browser.mainLoop.resume()
                            }
                            var asyncWasmReturnValue, isError = false;
                            try {
                                asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData)
                            } catch (err) {
                                asyncWasmReturnValue = err;
                                isError = true
                            }
                            var handled = false;
                            if (!Asyncify.currData) {
                                var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers;
                                if (asyncPromiseHandlers) {
                                    Asyncify.asyncPromiseHandlers = null;
                                    (isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue);
                                    handled = true
                                }
                            }
                            if (isError && !handled) {
                                throw asyncWasmReturnValue
                            }
                        });
                        reachedAfterCallback = true;
                        if (!reachedCallback) {
                            Asyncify.state = Asyncify.State.Unwinding;
                            Asyncify.currData = Asyncify.allocateData();
                            if (typeof Browser != "undefined" && Browser.mainLoop.func) {
                                Browser.mainLoop.pause()
                            }
                            runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData))
                        }
                    } else if (Asyncify.state === Asyncify.State.Rewinding) {
                        Asyncify.state = Asyncify.State.Normal;
                        runAndAbortIfError(_asyncify_stop_rewind);
                        _free(Asyncify.currData);
                        Asyncify.currData = null;
                        Asyncify.sleepCallbacks.forEach(callUserCallback)
                    } else {
                        abort(`invalid state: ${Asyncify.state}`)
                    }
                    return Asyncify.handleSleepReturnValue
                },
                handleAsync(startAsync) {
                    return Asyncify.handleSleep(wakeUp => {
                        startAsync().then(wakeUp)
                    })
                }
            };
            var getCFunc = ident => {
                var func = Module["_" + ident];
                return func
            };
            var writeArrayToMemory = (array, buffer) => {
                HEAP8.set(array, buffer)
            };
            var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
            var stringToUTF8OnStack = str => {
                var size = lengthBytesUTF8(str) + 1;
                var ret = stackAlloc(size);
                stringToUTF8(str, ret, size);
                return ret
            };
            var ccall = (ident, returnType, argTypes, args, opts) => {
                var toC = {
                    "string": str => {
                        var ret = 0;
                        if (str !== null && str !== undefined && str !== 0) {
                            ret = stringToUTF8OnStack(str)
                        }
                        return ret
                    },
                    "array": arr => {
                        var ret = stackAlloc(arr.length);
                        writeArrayToMemory(arr, ret);
                        return ret
                    }
                };

                function convertReturnValue(ret) {
                    if (returnType === "string") {
                        return UTF8ToString(ret)
                    }
                    if (returnType === "boolean") return Boolean(ret);
                    return ret
                }
                var func = getCFunc(ident);
                var cArgs = [];
                var stack = 0;
                if (args) {
                    for (var i = 0; i < args.length; i++) {
                        var converter = toC[argTypes[i]];
                        if (converter) {
                            if (stack === 0) stack = stackSave();
                            cArgs[i] = converter(args[i])
                        } else {
                            cArgs[i] = args[i]
                        }
                    }
                }
                var previousAsync = Asyncify.currData;
                var ret = func(...cArgs);

                function onDone(ret) {
                    runtimeKeepalivePop();
                    if (stack !== 0) stackRestore(stack);
                    return convertReturnValue(ret)
                }
                var asyncMode = opts?.async;
                runtimeKeepalivePush();
                if (Asyncify.currData != previousAsync) {
                    return Asyncify.whenDone().then(onDone)
                }
                ret = onDone(ret);
                if (asyncMode) return Promise.resolve(ret);
                return ret
            };
            var cwrap = (ident, returnType, argTypes, opts) => {
                var numericArgs = !argTypes || argTypes.every(type => type === "number" || type === "boolean");
                var numericRet = returnType !== "string";
                if (numericRet && numericArgs && !opts) {
                    return getCFunc(ident)
                }
                return (...args) => ccall(ident, returnType, argTypes, args, opts)
            };
            var stringToNewUTF8 = str => {
                var size = lengthBytesUTF8(str) + 1;
                var ret = _malloc(size);
                if (ret) stringToUTF8(str, ret, size);
                return ret
            };
            var FSNode = function(parent, name, mode, rdev) {
                if (!parent) {
                    parent = this
                }
                this.parent = parent;
                this.mount = parent.mount;
                this.mounted = null;
                this.id = FS.nextInode++;
                this.name = name;
                this.mode = mode;
                this.node_ops = {};
                this.stream_ops = {};
                this.rdev = rdev
            };
            var readMode = 292 | 73;
            var writeMode = 146;
            Object.defineProperties(FSNode.prototype, {
                read: {
                    get: function() {
                        return (this.mode & readMode) === readMode
                    },
                    set: function(val) {
                        val ? this.mode |= readMode : this.mode &= ~readMode
                    }
                },
                write: {
                    get: function() {
                        return (this.mode & writeMode) === writeMode
                    },
                    set: function(val) {
                        val ? this.mode |= writeMode : this.mode &= ~writeMode
                    }
                },
                isFolder: {
                    get: function() {
                        return FS.isDir(this.mode)
                    }
                },
                isDevice: {
                    get: function() {
                        return FS.isChrdev(this.mode)
                    }
                }
            });
            FS.FSNode = FSNode;
            FS.createPreloadedFile = FS_createPreloadedFile;
            FS.staticInit();
            Module["FS_createPath"] = FS.createPath;
            Module["FS_createDataFile"] = FS.createDataFile;
            Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
            Module["FS_unlink"] = FS.unlink;
            Module["FS_createLazyFile"] = FS.createLazyFile;
            Module["FS_createDevice"] = FS.createDevice;
            var wasmImports = {
                d: ___syscall_fcntl64,
                h: ___syscall_ioctl,
                i: ___syscall_openat,
                l: ___syscall_stat64,
                n: _emscripten_memcpy_js,
                k: _emscripten_resize_heap,
                e: _environ_get,
                f: _environ_sizes_get,
                a: _exit,
                b: _fd_close,
                m: _fd_fdstat_get,
                g: _fd_read,
                j: _fd_seek,
                c: _fd_write
            };
            var wasmExports = createWasm();
            var ___wasm_call_ctors = () => (___wasm_call_ctors = wasmExports["p"])();
            var _free = a0 => (_free = wasmExports["q"])(a0);
            var _malloc = a0 => (_malloc = wasmExports["r"])(a0);
            var _test_int = Module["_test_int"] = (a0, a1) => (_test_int = Module["_test_int"] = wasmExports["t"])(a0, a1);
            var _do_a_conversion = Module["_do_a_conversion"] = (a0, a1) => (_do_a_conversion = Module["_do_a_conversion"] = wasmExports["u"])(a0, a1);
            var stackSave = () => (stackSave = wasmExports["v"])();
            var stackRestore = a0 => (stackRestore = wasmExports["w"])(a0);
            var stackAlloc = a0 => (stackAlloc = wasmExports["x"])(a0);
            var _asyncify_start_unwind = a0 => (_asyncify_start_unwind = wasmExports["y"])(a0);
            var _asyncify_stop_unwind = () => (_asyncify_stop_unwind = wasmExports["z"])();
            var _asyncify_start_rewind = a0 => (_asyncify_start_rewind = wasmExports["A"])(a0);
            var _asyncify_stop_rewind = () => (_asyncify_stop_rewind = wasmExports["B"])();
            Module["addRunDependency"] = addRunDependency;
            Module["removeRunDependency"] = removeRunDependency;
            Module["FS_createPath"] = FS.createPath;
            Module["FS_createLazyFile"] = FS.createLazyFile;
            Module["FS_createDevice"] = FS.createDevice;
            Module["ccall"] = ccall;
            Module["cwrap"] = cwrap;
            Module["stringToNewUTF8"] = stringToNewUTF8;
            Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
            Module["FS_createDataFile"] = FS.createDataFile;
            Module["FS_unlink"] = FS.unlink;
            var calledRun;
            dependenciesFulfilled = function runCaller() {
                if (!calledRun) run();
                if (!calledRun) dependenciesFulfilled = runCaller
            };

            function run() {
                if (runDependencies > 0) {
                    return
                }
                preRun();
                if (runDependencies > 0) {
                    return
                }

                function doRun() {
                    if (calledRun) return;
                    calledRun = true;
                    Module["calledRun"] = true;
                    if (ABORT) return;
                    initRuntime();
                    readyPromiseResolve(Module);
                    if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
                    postRun()
                }
                if (Module["setStatus"]) {
                    Module["setStatus"]("Running...");
                    setTimeout(function() {
                        setTimeout(function() {
                            Module["setStatus"]("")
                        }, 1);
                        doRun()
                    }, 1)
                } else {
                    doRun()
                }
            }
            if (Module["preInit"]) {
                if (typeof Module["preInit"] == "function") Module["preInit"] = [Module["preInit"]];
                while (Module["preInit"].length > 0) {
                    Module["preInit"].pop()()
                }
            }
            run();
            return moduleArg.ready
        }
    );
})();
if (typeof exports === 'object' && typeof module === 'object')
    module.exports = createMyModule;
else if (typeof define === 'function' && define['amd'])
    define([], () => createMyModule);