diff --git "a/main.js" "b/main.js"
new file mode 100644--- /dev/null
+++ "b/main.js"
@@ -0,0 +1,5664 @@
+// include: shell.js
+// The Module object: Our interface to the outside world. We import
+// and export values on it. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(Module) { ..generated code.. }
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to check if Module already exists (e.g. case 3 above).
+// Substitution will be replaced with actual code on later stage of the build,
+// this way Closure Compiler will not mangle it (e.g. case 4. above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define   var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module = typeof Module != 'undefined' ? Module : {};
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+
+  if (!Module.expectedDataFileDownloads) {
+    Module.expectedDataFileDownloads = 0;
+  }
+
+  Module.expectedDataFileDownloads++;
+  (function() {
+    // Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
+    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') {
+        // web worker
+        PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
+      }
+      var PACKAGE_NAME = 'main.data';
+      var REMOTE_PACKAGE_BASE = 'main.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)) { // file URLs can return 0
+            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;
+      }
+Module['FS_createPath']("/", "models", true, true);
+
+      /** @constructor */
+      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;
+          // canOwn this data in the filesystem, it is a slide into the heap that will never change
+          Module['FS_createDataFile'](this.name, null, byteArray, true, true, true);
+          Module['removeRunDependency'](`fp ${that.name}`);
+          this.requests[this.name] = null;
+        }
+      };
+
+      var files = metadata['files'];
+      for (var i = 0; i < files.length; ++i) {
+        new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio'] || 0).open('GET', files[i]['filename']);
+      }
+
+      function processPackageData(arrayBuffer) {
+        assert(arrayBuffer, 'Loading data file failed.');
+        assert(arrayBuffer.constructor.name === ArrayBuffer.name, 'bad input to processPackageData');
+        var byteArray = new Uint8Array(arrayBuffer);
+        var curr;
+        // Reuse the bytearray from the XHR as the source for file reads.
+          DataRequest.prototype.byteArray = byteArray;
+          var files = metadata['files'];
+          for (var i = 0; i < files.length; ++i) {
+            DataRequest.prototype.requests[files[i].filename].onload();
+          }          Module['removeRunDependency']('datafile_main.data');
+
+      };
+      Module['addRunDependency']('datafile_main.data');
+
+      if (!Module.preloadResults) Module.preloadResults = {};
+
+      Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
+      if (fetched) {
+        processPackageData(fetched);
+        fetched = null;
+      } else {
+        fetchedCallback = processPackageData;
+      }
+
+    }
+    if (Module['calledRun']) {
+      runWithFS();
+    } else {
+      if (!Module['preRun']) Module['preRun'] = [];
+      Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
+    }
+
+    }
+    loadPackage({"files": [{"filename": "/models/model.bin", "start": 0, "end": 189264016}], "remote_package_size": 189264016});
+
+  })();
+
+
+    // All the pre-js content up to here must remain later on, we need to run
+    // it.
+    if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$ww']) Module['preRun'] = [];
+    var necessaryPreJSTasks = Module['preRun'].slice();
+  
+    if (!Module['preRun']) throw 'Module.preRun should exist because file support used it; did a pre-js delete it?';
+    necessaryPreJSTasks.forEach(function(task) {
+      if (Module['preRun'].indexOf(task) < 0) throw 'All preRun tasks that exist before user pre-js code should remain after; did you replace Module or modify Module.preRun?';
+    });
+  
+
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = Object.assign({}, Module);
+
+var arguments_ = [];
+var thisProgram = './this.program';
+var quit_ = (status, toThrow) => {
+  throw toThrow;
+};
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+
+// Attempt to auto-detect the environment
+var ENVIRONMENT_IS_WEB = typeof window == 'object';
+var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function';
+// N.b. Electron.js environment is simultaneously a NODE-environment, but
+// also a web environment.
+var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string';
+var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
+
+if (Module['ENVIRONMENT']) {
+  throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)');
+}
+
+// `/` should be present at the end if `scriptDirectory` is not empty
+var scriptDirectory = '';
+function locateFile(path) {
+  if (Module['locateFile']) {
+    return Module['locateFile'](path, scriptDirectory);
+  }
+  return scriptDirectory + path;
+}
+
+// Hooks that are implemented differently in different runtime environments.
+var read_,
+    readAsync,
+    readBinary,
+    setWindowTitle;
+
+if (ENVIRONMENT_IS_NODE) {
+  if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
+
+  var nodeVersion = process.versions.node;
+  var numericVersion = nodeVersion.split('.').slice(0, 3);
+  numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
+  var minVersion = 160000;
+  if (numericVersion < 160000) {
+    throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
+  }
+
+  // `require()` is no-op in an ESM module, use `createRequire()` to construct
+  // the require()` function.  This is only necessary for multi-environment
+  // builds, `-sENVIRONMENT=node` emits a static import declaration instead.
+  // TODO: Swap all `require()`'s with `import()`'s?
+  // These modules will usually be used on Node.js. Load them eagerly to avoid
+  // the complexity of lazy-loading.
+  var fs = require('fs');
+  var nodePath = require('path');
+
+  if (ENVIRONMENT_IS_WORKER) {
+    scriptDirectory = nodePath.dirname(scriptDirectory) + '/';
+  } else {
+    scriptDirectory = __dirname + '/';
+  }
+
+// include: node_shell_read.js
+read_ = (filename, binary) => {
+  // We need to re-wrap `file://` strings to URLs. Normalizing isn't
+  // necessary in that case, the path should already be absolute.
+  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);
+  }
+  assert(ret.buffer);
+  return ret;
+};
+
+readAsync = (filename, onload, onerror, binary = true) => {
+  // See the comment in the `read_` function.
+  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);
+  });
+};
+// end include: node_shell_read.js
+  if (!Module['thisProgram'] && process.argv.length > 1) {
+    thisProgram = process.argv[1].replace(/\\/g, '/');
+  }
+
+  arguments_ = process.argv.slice(2);
+
+  if (typeof module != 'undefined') {
+    module['exports'] = Module;
+  }
+
+  process.on('uncaughtException', (ex) => {
+    // suppress ExitStatus exceptions from showing an error
+    if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
+      throw ex;
+    }
+  });
+
+  quit_ = (status, toThrow) => {
+    process.exitCode = status;
+    throw toThrow;
+  };
+
+  Module['inspect'] = () => '[Emscripten Module object]';
+
+} else
+if (ENVIRONMENT_IS_SHELL) {
+
+  if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
+
+  if (typeof read != 'undefined') {
+    read_ = (f) => {
+      return read(f);
+    };
+  }
+
+  readBinary = (f) => {
+    let data;
+    if (typeof readbuffer == 'function') {
+      return new Uint8Array(readbuffer(f));
+    }
+    data = read(f, 'binary');
+    assert(typeof data == 'object');
+    return data;
+  };
+
+  readAsync = (f, onload, onerror) => {
+    setTimeout(() => onload(readBinary(f)));
+  };
+
+  if (typeof clearTimeout == 'undefined') {
+    globalThis.clearTimeout = (id) => {};
+  }
+
+  if (typeof setTimeout == 'undefined') {
+    // spidermonkey lacks setTimeout but we use it above in readAsync.
+    globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort();
+  }
+
+  if (typeof scriptArgs != 'undefined') {
+    arguments_ = scriptArgs;
+  } else if (typeof arguments != 'undefined') {
+    arguments_ = arguments;
+  }
+
+  if (typeof quit == 'function') {
+    quit_ = (status, toThrow) => {
+      // Unlike node which has process.exitCode, d8 has no such mechanism. So we
+      // have no way to set the exit code and then let the program exit with
+      // that code when it naturally stops running (say, when all setTimeouts
+      // have completed). For that reason, we must call `quit` - the only way to
+      // set the exit code - but quit also halts immediately.  To increase
+      // consistency with node (and the web) we schedule the actual quit call
+      // using a setTimeout to give the current stack and any exception handlers
+      // a chance to run.  This enables features such as addOnPostRun (which
+      // expected to be able to run code after main returns).
+      setTimeout(() => {
+        if (!(toThrow instanceof ExitStatus)) {
+          let toLog = toThrow;
+          if (toThrow && typeof toThrow == 'object' && toThrow.stack) {
+            toLog = [toThrow, toThrow.stack];
+          }
+          err(`exiting due to exception: ${toLog}`);
+        }
+        quit(status);
+      });
+      throw toThrow;
+    };
+  }
+
+  if (typeof print != 'undefined') {
+    // Prefer to use print/printErr where they exist, as they usually work better.
+    if (typeof console == 'undefined') console = /** @type{!Console} */({});
+    console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
+    console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
+  }
+
+} else
+
+// Note that this includes Node.js workers when relevant (pthreads is enabled).
+// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
+// ENVIRONMENT_IS_NODE.
+if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+  if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
+    scriptDirectory = self.location.href;
+  } else if (typeof document != 'undefined' && document.currentScript) { // web
+    scriptDirectory = document.currentScript.src;
+  }
+  // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
+  // otherwise, slice off the final part of the url to find the script directory.
+  // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
+  // and scriptDirectory will correctly be replaced with an empty string.
+  // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
+  // they are removed because they could contain a slash.
+  if (scriptDirectory.indexOf('blob:') !== 0) {
+    scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
+  } else {
+    scriptDirectory = '';
+  }
+
+  if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)');
+
+  // Differentiate the Web Worker from the Node Worker case, as reading must
+  // be done differently.
+  {
+// include: web_or_worker_shell_read.js
+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(/** @type{!ArrayBuffer} */(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)) { // file URLs can return 0
+        onload(xhr.response);
+        return;
+      }
+      onerror();
+    };
+    xhr.onerror = onerror;
+    xhr.send(null);
+  }
+
+// end include: web_or_worker_shell_read.js
+  }
+
+  setWindowTitle = (title) => document.title = title;
+} else
+{
+  throw new Error('environment detection error');
+}
+
+var out = Module['print'] || console.log.bind(console);
+var err = Module['printErr'] || console.error.bind(console);
+
+// Merge back in the overrides
+Object.assign(Module, moduleOverrides);
+// Free the object hierarchy contained in the overrides, this lets the GC
+// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
+moduleOverrides = null;
+checkIncomingModuleAPI();
+
+// Emit code to handle expected values on the Module object. This applies Module.x
+// to the proper local x. This has two benefits: first, we only emit it if it is
+// expected to arrive, and second, by using a local everywhere else that can be
+// minified.
+
+if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_');
+
+if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram');
+
+if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_');
+
+// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
+// Assertions on removed incoming Module JS APIs.
+assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
+assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
+assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
+assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
+assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)');
+assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)');
+assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)');
+assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)');
+assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
+legacyModuleProp('read', 'read_');
+legacyModuleProp('readAsync', 'readAsync');
+legacyModuleProp('readBinary', 'readBinary');
+legacyModuleProp('setWindowTitle', 'setWindowTitle');
+var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js';
+var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js';
+var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js';
+var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js';
+
+assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time.  Add 'shell' to `-sENVIRONMENT` to enable.");
+
+
+// end include: shell.js
+// include: preamble.js
+// === Preamble library stuff ===
+
+// Documentation for the public APIs defined in this file must be updated in:
+//    site/source/docs/api_reference/preamble.js.rst
+// A prebuilt local version of the documentation is available at:
+//    site/build/text/docs/api_reference/preamble.js.txt
+// You can also build docs locally as HTML or other formats in site/
+// An online HTML version (which may be of a different version of Emscripten)
+//    is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
+
+var wasmBinary;
+if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary');
+var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime');
+
+if (typeof WebAssembly != 'object') {
+  abort('no native wasm support detected');
+}
+
+// Wasm globals
+
+var wasmMemory;
+
+//========================================
+// Runtime essentials
+//========================================
+
+// whether we are quitting the application. no code should run after this.
+// set in exit() and abort()
+var ABORT = false;
+
+// set by exit() and abort().  Passed to 'onExit' handler.
+// NOTE: This is also used as the process return code code in shell environments
+// but only when noExitRuntime is false.
+var EXITSTATUS;
+
+/** @type {function(*, string=)} */
+function assert(condition, text) {
+  if (!condition) {
+    abort('Assertion failed' + (text ? ': ' + text : ''));
+  }
+}
+
+// We used to include malloc/free by default in the past. Show a helpful error in
+// builds with assertions.
+
+// Memory management
+
+var HEAP,
+/** @type {!Int8Array} */
+  HEAP8,
+/** @type {!Uint8Array} */
+  HEAPU8,
+/** @type {!Int16Array} */
+  HEAP16,
+/** @type {!Uint16Array} */
+  HEAPU16,
+/** @type {!Int32Array} */
+  HEAP32,
+/** @type {!Uint32Array} */
+  HEAPU32,
+/** @type {!Float32Array} */
+  HEAPF32,
+/* BigInt64Array type is not correctly defined in closure
+/** not-@type {!BigInt64Array} */
+  HEAP64,
+/* BigUInt64Array type is not correctly defined in closure
+/** not-t@type {!BigUint64Array} */
+  HEAPU64,
+/** @type {!Float64Array} */
+  HEAPF64;
+
+function updateMemoryViews() {
+  var b = wasmMemory.buffer;
+  Module['HEAP8'] = HEAP8 = new Int8Array(b);
+  Module['HEAP16'] = HEAP16 = new Int16Array(b);
+  Module['HEAP32'] = HEAP32 = new Int32Array(b);
+  Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
+  Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
+  Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
+  Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
+  Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
+  Module['HEAP64'] = HEAP64 = new BigInt64Array(b);
+  Module['HEAPU64'] = HEAPU64 = new BigUint64Array(b);
+}
+
+assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime.  Use -sSTACK_SIZE at link time')
+
+assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
+       'JS engine does not provide full typed array support');
+
+// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
+assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected.  Use -sIMPORTED_MEMORY to define wasmMemory externally');
+assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting.  Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
+
+// include: runtime_init_table.js
+// In regular non-RELOCATABLE mode the table is exported
+// from the wasm module and this will be assigned once
+// the exports are available.
+var wasmTable;
+// end include: runtime_init_table.js
+// include: runtime_stack_check.js
+// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
+function writeStackCookie() {
+  var max = _emscripten_stack_get_end();
+  assert((max & 3) == 0);
+  // If the stack ends at address zero we write our cookies 4 bytes into the
+  // stack.  This prevents interference with SAFE_HEAP and ASAN which also
+  // monitor writes to address zero.
+  if (max == 0) {
+    max += 4;
+  }
+  // The stack grow downwards towards _emscripten_stack_get_end.
+  // We write cookies to the final two words in the stack and detect if they are
+  // ever overwritten.
+  HEAPU32[((max)/2**2)] = 0x02135467;
+  HEAPU32[(((max)+(4))/2**2)] = 0x89BACDFE;
+  // Also test the global address 0 for integrity.
+  HEAPU32[((0)/2**2)] = 1668509029;
+}
+
+function checkStackCookie() {
+  if (ABORT) return;
+  var max = _emscripten_stack_get_end();
+  // See writeStackCookie().
+  if (max == 0) {
+    max += 4;
+  }
+  var cookie1 = HEAPU32[((max)/2**2)];
+  var cookie2 = HEAPU32[(((max)+(4))/2**2)];
+  if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
+    abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
+  }
+  // Also test the global address 0 for integrity.
+  if (HEAPU32[((0)/2**2)] != 0x63736d65 /* 'emsc' */) {
+    abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
+  }
+}
+// end include: runtime_stack_check.js
+// include: runtime_assertions.js
+// Endianness check
+(function() {
+  var h16 = new Int16Array(1);
+  var h8 = new Int8Array(h16.buffer);
+  h16[0] = 0x6373;
+  if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
+})();
+
+// end include: runtime_assertions.js
+var __ATPRERUN__  = []; // functions called before the runtime is initialized
+var __ATINIT__    = []; // functions called during startup
+var __ATMAIN__    = []; // functions called when main() is to be run
+var __ATEXIT__    = []; // functions called during shutdown
+var __ATPOSTRUN__ = []; // functions called after the main() is called
+
+var runtimeInitialized = false;
+
+var runtimeKeepaliveCounter = 0;
+
+function keepRuntimeAlive() {
+  return noExitRuntime || runtimeKeepaliveCounter > 0;
+}
+
+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() {
+  assert(!runtimeInitialized);
+  runtimeInitialized = true;
+
+  checkStackCookie();
+
+  
+if (!Module["noFSInit"] && !FS.init.initialized)
+  FS.init();
+FS.ignorePermissions = false;
+
+TTY.init();
+  callRuntimeCallbacks(__ATINIT__);
+}
+
+function preMain() {
+  checkStackCookie();
+  
+  callRuntimeCallbacks(__ATMAIN__);
+}
+
+function postRun() {
+  checkStackCookie();
+
+  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 addOnPreMain(cb) {
+  __ATMAIN__.unshift(cb);
+}
+
+function addOnExit(cb) {
+}
+
+function addOnPostRun(cb) {
+  __ATPOSTRUN__.unshift(cb);
+}
+
+// include: runtime_math.js
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
+
+assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+// end include: runtime_math.js
+// A counter of dependencies for calling run(). If we need to
+// do asynchronous work before running, increment this and
+// decrement it. Incrementing must happen in a place like
+// Module.preRun (used by emcc to add file preloading).
+// Note that you can add dependencies in preRun, even though
+// it happens right before run - run will be postponed until
+// the dependencies are met.
+var runDependencies = 0;
+var runDependencyWatcher = null;
+var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
+var runDependencyTracking = {};
+
+function getUniqueRunDependency(id) {
+  var orig = id;
+  while (1) {
+    if (!runDependencyTracking[id]) return id;
+    id = orig + Math.random();
+  }
+}
+
+function addRunDependency(id) {
+  runDependencies++;
+
+  if (Module['monitorRunDependencies']) {
+    Module['monitorRunDependencies'](runDependencies);
+  }
+
+  if (id) {
+    assert(!runDependencyTracking[id]);
+    runDependencyTracking[id] = 1;
+    if (runDependencyWatcher === null && typeof setInterval != 'undefined') {
+      // Check for missing dependencies every few seconds
+      runDependencyWatcher = setInterval(() => {
+        if (ABORT) {
+          clearInterval(runDependencyWatcher);
+          runDependencyWatcher = null;
+          return;
+        }
+        var shown = false;
+        for (var dep in runDependencyTracking) {
+          if (!shown) {
+            shown = true;
+            err('still waiting on run dependencies:');
+          }
+          err('dependency: ' + dep);
+        }
+        if (shown) {
+          err('(end of list)');
+        }
+      }, 10000);
+    }
+  } else {
+    err('warning: run dependency added without ID');
+  }
+}
+
+function removeRunDependency(id) {
+  runDependencies--;
+
+  if (Module['monitorRunDependencies']) {
+    Module['monitorRunDependencies'](runDependencies);
+  }
+
+  if (id) {
+    assert(runDependencyTracking[id]);
+    delete runDependencyTracking[id];
+  } else {
+    err('warning: run dependency removed without ID');
+  }
+  if (runDependencies == 0) {
+    if (runDependencyWatcher !== null) {
+      clearInterval(runDependencyWatcher);
+      runDependencyWatcher = null;
+    }
+    if (dependenciesFulfilled) {
+      var callback = dependenciesFulfilled;
+      dependenciesFulfilled = null;
+      callback(); // can add another dependenciesFulfilled
+    }
+  }
+}
+
+/** @param {string|number=} what */
+function abort(what) {
+  if (Module['onAbort']) {
+    Module['onAbort'](what);
+  }
+
+  what = 'Aborted(' + what + ')';
+  // TODO(sbc): Should we remove printing and leave it up to whoever
+  // catches the exception?
+  err(what);
+
+  ABORT = true;
+  EXITSTATUS = 1;
+
+  // Use a wasm runtime error, because a JS error might be seen as a foreign
+  // exception, which means we'd run destructors on it. We need the error to
+  // simply make the program stop.
+  // FIXME This approach does not work in Wasm EH because it currently does not assume
+  // all RuntimeErrors are from traps; it decides whether a RuntimeError is from
+  // a trap or not based on a hidden field within the object. So at the moment
+  // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
+  // allows this in the wasm spec.
+
+  // Suppress closure compiler warning here. Closure compiler's builtin extern
+  // defintion for WebAssembly.RuntimeError claims it takes no arguments even
+  // though it can.
+  // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
+  /** @suppress {checkTypes} */
+  var e = new WebAssembly.RuntimeError(what);
+
+  // Throw the error whether or not MODULARIZE is set because abort is used
+  // in code paths apart from instantiation where an exception is expected
+  // to be thrown when abort is called.
+  throw e;
+}
+
+// include: memoryprofiler.js
+// end include: memoryprofiler.js
+// include: URIUtils.js
+// Prefix of data URIs emitted by SINGLE_FILE and related options.
+var dataURIPrefix = 'data:application/octet-stream;base64,';
+
+// Indicates whether filename is a base64 data URI.
+function isDataURI(filename) {
+  // Prefix of data URIs emitted by SINGLE_FILE and related options.
+  return filename.startsWith(dataURIPrefix);
+}
+
+// Indicates whether filename is delivered via file protocol (as opposed to http/https)
+function isFileURI(filename) {
+  return filename.startsWith('file://');
+}
+// end include: URIUtils.js
+/** @param {boolean=} fixedasm */
+function createExportWrapper(name, fixedasm) {
+  return function() {
+    var displayName = name;
+    var asm = fixedasm;
+    if (!fixedasm) {
+      asm = Module['asm'];
+    }
+    assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization');
+    if (!asm[name]) {
+      assert(asm[name], 'exported native function `' + displayName + '` not found');
+    }
+    return asm[name].apply(null, arguments);
+  };
+}
+
+// include: runtime_exceptions.js
+// end include: runtime_exceptions.js
+var wasmBinaryFile;
+  wasmBinaryFile = 'main.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 we don't have the binary yet, try to load it asynchronously.
+  // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
+  // See https://github.com/github/fetch/pull/92#issuecomment-140665932
+  // Cordova or Electron apps are typically loaded from a file:// url.
+  // So use fetch if it is available and the url is not a file, otherwise fall back to XHR.
+  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) {
+      // fetch is not available or url is file => try XHR (readAsync uses XHR internally)
+      return new Promise((resolve, reject) => {
+        readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject)
+      });
+    }
+  }
+
+  // Otherwise, getBinarySync should be able to get it synchronously
+  return Promise.resolve().then(() => getBinarySync(binaryFile));
+}
+
+function instantiateArrayBuffer(binaryFile, imports, receiver) {
+  return getBinaryPromise(binaryFile).then((binary) => {
+    return WebAssembly.instantiate(binary, imports);
+  }).then((instance) => {
+    return instance;
+  }).then(receiver, (reason) => {
+    err('failed to asynchronously prepare wasm: ' + reason);
+
+    // Warn on some common problems.
+    if (isFileURI(wasmBinaryFile)) {
+      err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing');
+    }
+    abort(reason);
+  });
+}
+
+function instantiateAsync(binary, binaryFile, imports, callback) {
+  if (!binary &&
+      typeof WebAssembly.instantiateStreaming == 'function' &&
+      !isDataURI(binaryFile) &&
+      // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
+      !isFileURI(binaryFile) &&
+      // Avoid instantiateStreaming() on Node.js environment for now, as while
+      // Node.js v18.1.0 implements it, it does not have a full fetch()
+      // implementation yet.
+      //
+      // Reference:
+      //   https://github.com/emscripten-core/emscripten/pull/16917
+      !ENVIRONMENT_IS_NODE &&
+      typeof fetch == 'function') {
+    return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
+      // Suppress closure warning here since the upstream definition for
+      // instantiateStreaming only allows Promise<Repsponse> rather than
+      // an actual Response.
+      // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
+      /** @suppress {checkTypes} */
+      var result = WebAssembly.instantiateStreaming(response, imports);
+
+      return result.then(
+        callback,
+        function(reason) {
+          // We expect the most common failure cause to be a bad MIME type for the binary,
+          // in which case falling back to ArrayBuffer instantiation should work.
+          err('wasm streaming compile failed: ' + reason);
+          err('falling back to ArrayBuffer instantiation');
+          return instantiateArrayBuffer(binaryFile, imports, callback);
+        });
+    });
+  }
+  return instantiateArrayBuffer(binaryFile, imports, callback);
+}
+
+// Create the wasm instance.
+// Receives the wasm imports, returns the exports.
+function createWasm() {
+  // prepare imports
+  var info = {
+    'env': wasmImports,
+    'wasi_snapshot_preview1': wasmImports,
+  };
+  // Load the wasm module and create an instance of using native support in the JS engine.
+  // handle a generated wasm instance, receiving its exports and
+  // performing other necessary setup
+  /** @param {WebAssembly.Module=} module*/
+  function receiveInstance(instance, module) {
+    var exports = instance.exports;
+
+    exports = applySignatureConversions(exports);
+
+    Module['asm'] = exports;
+
+    wasmMemory = Module['asm']['memory'];
+    assert(wasmMemory, "memory not found in wasm exports");
+    // This assertion doesn't hold when emscripten is run in --post-link
+    // mode.
+    // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode.
+    //assert(wasmMemory.buffer.byteLength === 2147483648);
+    updateMemoryViews();
+
+    wasmTable = Module['asm']['__indirect_function_table'];
+    assert(wasmTable, "table not found in wasm exports");
+
+    addOnInit(Module['asm']['__wasm_call_ctors']);
+
+    removeRunDependency('wasm-instantiate');
+    return exports;
+  }
+  // wait for the pthread pool (if any)
+  addRunDependency('wasm-instantiate');
+
+  // Prefer streaming instantiation if available.
+  // Async compilation can be confusing when an error on the page overwrites Module
+  // (for example, if the order of elements is wrong, and the one defining Module is
+  // later), so we save Module and check it later.
+  var trueModule = Module;
+  function receiveInstantiationResult(result) {
+    // 'result' is a ResultObject object which has both the module and instance.
+    // receiveInstance() will swap in the exports (to Module.asm) so they can be called
+    assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
+    trueModule = null;
+    // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
+    // When the regression is fixed, can restore the above PTHREADS-enabled path.
+    receiveInstance(result['instance']);
+  }
+
+  // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
+  // to manually instantiate the Wasm module themselves. This allows pages to
+  // run the instantiation parallel to any other async startup actions they are
+  // performing.
+  // Also pthreads and wasm workers initialize the wasm instance through this
+  // path.
+  if (Module['instantiateWasm']) {
+
+    try {
+      return Module['instantiateWasm'](info, receiveInstance);
+    } catch(e) {
+      err('Module.instantiateWasm callback failed with error: ' + e);
+        return false;
+    }
+  }
+
+  instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
+  return {}; // no exports yet; we'll fill them in later
+}
+
+// include: runtime_debug.js
+function legacyModuleProp(prop, newName) {
+  if (!Object.getOwnPropertyDescriptor(Module, prop)) {
+    Object.defineProperty(Module, prop, {
+      configurable: true,
+      get() {
+        abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)');
+      }
+    });
+  }
+}
+
+function ignoredModuleProp(prop) {
+  if (Object.getOwnPropertyDescriptor(Module, prop)) {
+    abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API');
+  }
+}
+
+// forcing the filesystem exports a few things by default
+function isExportedByForceFilesystem(name) {
+  return name === 'FS_createPath' ||
+         name === 'FS_createDataFile' ||
+         name === 'FS_createPreloadedFile' ||
+         name === 'FS_unlink' ||
+         name === 'addRunDependency' ||
+         // The old FS has some functionality that WasmFS lacks.
+         name === 'FS_createLazyFile' ||
+         name === 'FS_createDevice' ||
+         name === 'removeRunDependency';
+}
+
+function missingGlobal(sym, msg) {
+  if (typeof globalThis !== 'undefined') {
+    Object.defineProperty(globalThis, sym, {
+      configurable: true,
+      get() {
+        warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg);
+        return undefined;
+      }
+    });
+  }
+}
+
+missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
+
+function missingLibrarySymbol(sym) {
+  if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
+    Object.defineProperty(globalThis, sym, {
+      configurable: true,
+      get() {
+        // Can't `abort()` here because it would break code that does runtime
+        // checks.  e.g. `if (typeof SDL === 'undefined')`.
+        var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line';
+        // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
+        // library.js, which means $name for a JS name with no prefix, or name
+        // for a JS name like _name.
+        var librarySymbol = sym;
+        if (!librarySymbol.startsWith('_')) {
+          librarySymbol = '$' + sym;
+        }
+        msg += " (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='" + librarySymbol + "')";
+        if (isExportedByForceFilesystem(sym)) {
+          msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
+        }
+        warnOnce(msg);
+        return undefined;
+      }
+    });
+  }
+  // Any symbol that is not included from the JS libary is also (by definition)
+  // not exported on the Module object.
+  unexportedRuntimeSymbol(sym);
+}
+
+function unexportedRuntimeSymbol(sym) {
+  if (!Object.getOwnPropertyDescriptor(Module, sym)) {
+    Object.defineProperty(Module, sym, {
+      configurable: true,
+      get() {
+        var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)";
+        if (isExportedByForceFilesystem(sym)) {
+          msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
+        }
+        abort(msg);
+      }
+    });
+  }
+}
+
+// Used by XXXXX_DEBUG settings to output debug messages.
+function dbg(text) {
+  // TODO(sbc): Make this configurable somehow.  Its not always convenient for
+  // logging to show up as warnings.
+  console.warn.apply(console, arguments);
+}
+// end include: runtime_debug.js
+// === Body ===
+
+// end include: preamble.js
+
+  /** @constructor */
+  function ExitStatus(status) {
+      this.name = 'ExitStatus';
+      this.message = `Program terminated with exit(${status})`;
+      this.status = status;
+    }
+
+  var callRuntimeCallbacks = (callbacks) => {
+      while (callbacks.length > 0) {
+        // Pass the module as the first argument.
+        callbacks.shift()(Module);
+      }
+    };
+
+  
+    /**
+     * @param {number} ptr
+     * @param {string} type
+     */
+  function getValue(ptr, type = 'i8') {
+    if (type.endsWith('*')) type = '*';
+    switch (type) {
+      case 'i1': return HEAP8[((ptr)/2**0)];
+      case 'i8': return HEAP8[((ptr)/2**0)];
+      case 'i16': return HEAP16[((ptr)/2**1)];
+      case 'i32': return HEAP32[((ptr)/2**2)];
+      case 'i64': return HEAP64[((ptr)/2**3)];
+      case 'float': return HEAPF32[((ptr)/2**2)];
+      case 'double': return HEAPF64[((ptr)/2**3)];
+      case '*': return Number(HEAPU64[((ptr)/2**3)]);
+      default: abort(`invalid type for getValue: ${type}`);
+    }
+  }
+
+  var ptrToString = (ptr) => {
+      assert(typeof ptr === 'number');
+      return '0x' + ptr.toString(16).padStart(8, '0');
+    };
+
+  
+    /**
+     * @param {number} ptr
+     * @param {number} value
+     * @param {string} type
+     */
+  function setValue(ptr, value, type = 'i8') {
+    if (type.endsWith('*')) type = '*';
+    switch (type) {
+      case 'i1': HEAP8[((ptr)/2**0)] = value; break;
+      case 'i8': HEAP8[((ptr)/2**0)] = value; break;
+      case 'i16': HEAP16[((ptr)/2**1)] = value; break;
+      case 'i32': HEAP32[((ptr)/2**2)] = value; break;
+      case 'i64': HEAP64[((ptr)/2**3)] = BigInt(value); break;
+      case 'float': HEAPF32[((ptr)/2**2)] = value; break;
+      case 'double': HEAPF64[((ptr)/2**3)] = value; break;
+      case '*': HEAPU64[((ptr)/2**3)] = BigInt(value); break;
+      default: abort(`invalid type for setValue: ${type}`);
+    }
+  }
+
+  var warnOnce = (text) => {
+      if (!warnOnce.shown) warnOnce.shown = {};
+      if (!warnOnce.shown[text]) {
+        warnOnce.shown[text] = 1;
+        if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
+        err(text);
+      }
+    };
+
+  /** @constructor */
+  function ExceptionInfo(excPtr) {
+      this.excPtr = excPtr;
+      this.ptr = excPtr - 48;
+  
+      this.set_type = function(type) {
+        HEAPU64[(((this.ptr)+(8))/2**3)] = BigInt(type);
+      };
+  
+      this.get_type = function() {
+        return Number(HEAPU64[(((this.ptr)+(8))/2**3)]);
+      };
+  
+      this.set_destructor = function(destructor) {
+        HEAPU64[(((this.ptr)+(16))/2**3)] = BigInt(destructor);
+      };
+  
+      this.get_destructor = function() {
+        return Number(HEAPU64[(((this.ptr)+(16))/2**3)]);
+      };
+  
+      this.set_caught = function (caught) {
+        caught = caught ? 1 : 0;
+        HEAP8[(((this.ptr)+(24))/2**0)] = caught;
+      };
+  
+      this.get_caught = function () {
+        return HEAP8[(((this.ptr)+(24))/2**0)] != 0;
+      };
+  
+      this.set_rethrown = function (rethrown) {
+        rethrown = rethrown ? 1 : 0;
+        HEAP8[(((this.ptr)+(25))/2**0)] = rethrown;
+      };
+  
+      this.get_rethrown = function () {
+        return HEAP8[(((this.ptr)+(25))/2**0)] != 0;
+      };
+  
+      // Initialize native structure fields. Should be called once after allocated.
+      this.init = function(type, destructor) {
+        this.set_adjusted_ptr(0);
+        this.set_type(type);
+        this.set_destructor(destructor);
+      }
+  
+      this.set_adjusted_ptr = function(adjustedPtr) {
+        HEAPU64[(((this.ptr)+(32))/2**3)] = BigInt(adjustedPtr);
+      };
+  
+      this.get_adjusted_ptr = function() {
+        return Number(HEAPU64[(((this.ptr)+(32))/2**3)]);
+      };
+  
+      // Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted
+      // when the pointer is casted to some of the exception object base classes (e.g. when virtual
+      // inheritance is used). When a pointer is thrown this method should return the thrown pointer
+      // itself.
+      this.get_exception_ptr = function() {
+        // Work around a fastcomp bug, this code is still included for some reason in a build without
+        // exceptions support.
+        var isPointer = ___cxa_is_pointer_type(this.get_type());
+        if (isPointer) {
+          return Number(HEAPU64[((this.excPtr)/2**3)]);
+        }
+        var adjusted = this.get_adjusted_ptr();
+        if (adjusted !== 0) return adjusted;
+        return this.excPtr;
+      };
+    }
+  
+  var exceptionLast = 0;
+  
+  var uncaughtExceptionCount = 0;
+  
+  var MAX_INT53 = 9007199254740992;
+  
+  var MIN_INT53 = -9007199254740992;
+  function bigintToI53Checked(num) {
+      return (num < MIN_INT53 || num > MAX_INT53) ? NaN : Number(num);
+    }
+  function ___cxa_throw(ptr, type, destructor) {
+    ptr = bigintToI53Checked(ptr);;
+    type = bigintToI53Checked(type);;
+    destructor = bigintToI53Checked(destructor);;
+  
+    
+      var info = new ExceptionInfo(ptr);
+      // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
+      info.init(type, destructor);
+      exceptionLast = ptr;
+      uncaughtExceptionCount++;
+      assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.');
+    ;
+  }
+
+  var setErrNo = (value) => {
+      HEAP32[((___errno_location())/2**2)] = value;
+      return value;
+    };
+  
+  var PATH = {
+  isAbs:(path) => path.charAt(0) === '/',
+  splitPath:(filename) => {
+        var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+        return splitPathRe.exec(filename).slice(1);
+      },
+  normalizeArray:(parts, allowAboveRoot) => {
+        // if the path tries to go above the root, `up` ends up > 0
+        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 the path is allowed to go above the root, restore leading ..s
+        if (allowAboveRoot) {
+          for (; up; up--) {
+            parts.unshift('..');
+          }
+        }
+        return parts;
+      },
+  normalize:(path) => {
+        var isAbsolute = PATH.isAbs(path),
+            trailingSlash = path.substr(-1) === '/';
+        // Normalize the path
+        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) {
+          // No dirname whatsoever
+          return '.';
+        }
+        if (dir) {
+          // It has a dirname, strip trailing slash
+          dir = dir.substr(0, dir.length - 1);
+        }
+        return root + dir;
+      },
+  basename:(path) => {
+        // EMSCRIPTEN return '/'' for '/', not an empty string
+        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:function() {
+        var paths = Array.prototype.slice.call(arguments);
+        return PATH.normalize(paths.join('/'));
+      },
+  join2:(l, r) => {
+        return PATH.normalize(l + '/' + r);
+      },
+  };
+  
+  var initRandomFill = () => {
+      if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
+        // for modern web browsers
+        return (view) => crypto.getRandomValues(view);
+      } else
+      if (ENVIRONMENT_IS_NODE) {
+        // for nodejs with or without crypto support included
+        try {
+          var crypto_module = require('crypto');
+          var randomFillSync = crypto_module['randomFillSync'];
+          if (randomFillSync) {
+            // nodejs with LTS crypto support
+            return (view) => crypto_module['randomFillSync'](view);
+          }
+          // very old nodejs with the original crypto API
+          var randomBytes = crypto_module['randomBytes'];
+          return (view) => (
+            view.set(randomBytes(view.byteLength)),
+            // Return the original view to match modern native implementations.
+            view
+          );
+        } catch (e) {
+          // nodejs doesn't have crypto support
+        }
+      }
+      // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
+      abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
+    };
+  var randomFill = (view) => {
+      // Lazily init on the first invocation.
+      return (randomFill = initRandomFill())(view);
+    };
+  
+  
+  
+  var PATH_FS = {
+  resolve:function() {
+        var resolvedPath = '',
+          resolvedAbsolute = false;
+        for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+          var path = (i >= 0) ? arguments[i] : FS.cwd();
+          // Skip empty and invalid entries
+          if (typeof path != 'string') {
+            throw new TypeError('Arguments to path.resolve must be strings');
+          } else if (!path) {
+            return ''; // an invalid portion invalidates the whole thing
+          }
+          resolvedPath = path + '/' + resolvedPath;
+          resolvedAbsolute = PATH.isAbs(path);
+        }
+        // At this point the path should be resolved to a full absolute path, but
+        // handle relative paths to be safe (might happen when process.cwd() fails)
+        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;
+  
+    /**
+     * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
+     * array that contains uint8 values, returns a copy of that string as a
+     * Javascript String object.
+     * heapOrArray is either a regular array, or a JavaScript typed array view.
+     * @param {number} idx
+     * @param {number=} maxBytesToRead
+     * @return {string}
+     */
+  var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
+      var endIdx = idx + maxBytesToRead;
+      var endPtr = idx;
+      // TextDecoder needs to know the byte length in advance, it doesn't stop on
+      // null terminator by itself.  Also, use the length info to avoid running tiny
+      // strings through TextDecoder, since .subarray() allocates garbage.
+      // (As a tiny code save trick, compare endPtr against endIdx using a negation,
+      // so that undefined means Infinity)
+      while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
+  
+      if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
+        return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
+      }
+      var str = '';
+      // If building with TextDecoder, we have already computed the string length
+      // above, so test loop end condition against that
+      while (idx < endPtr) {
+        // For UTF8 byte structure, see:
+        // http://en.wikipedia.org/wiki/UTF-8#Description
+        // https://www.ietf.org/rfc/rfc2279.txt
+        // https://tools.ietf.org/html/rfc3629
+        var u0 = heapOrArray[idx++];
+        if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
+        var u1 = heapOrArray[idx++] & 63;
+        if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
+        var u2 = heapOrArray[idx++] & 63;
+        if ((u0 & 0xF0) == 0xE0) {
+          u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
+        } else {
+          if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte ' + ptrToString(u0) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
+          u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
+        }
+  
+        if (u0 < 0x10000) {
+          str += String.fromCharCode(u0);
+        } else {
+          var ch = u0 - 0x10000;
+          str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
+        }
+      }
+      return str;
+    };
+  
+  var FS_stdin_getChar_buffer = [];
+  
+  var lengthBytesUTF8 = (str) => {
+      var len = 0;
+      for (var i = 0; i < str.length; ++i) {
+        // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+        // unit, not a Unicode code point of the character! So decode
+        // UTF16->UTF32->UTF8.
+        // See http://unicode.org/faq/utf_bom.html#utf16-3
+        var c = str.charCodeAt(i); // possibly a lead surrogate
+        if (c <= 0x7F) {
+          len++;
+        } else if (c <= 0x7FF) {
+          len += 2;
+        } else if (c >= 0xD800 && c <= 0xDFFF) {
+          len += 4; ++i;
+        } else {
+          len += 3;
+        }
+      }
+      return len;
+    };
+  
+  var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
+      assert(typeof str === 'string');
+      // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
+      // undefined and false each don't write out any bytes.
+      if (!(maxBytesToWrite > 0))
+        return 0;
+  
+      var startIdx = outIdx;
+      var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
+      for (var i = 0; i < str.length; ++i) {
+        // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+        // unit, not a Unicode code point of the character! So decode
+        // UTF16->UTF32->UTF8.
+        // See http://unicode.org/faq/utf_bom.html#utf16-3
+        // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
+        // and https://www.ietf.org/rfc/rfc2279.txt
+        // and https://tools.ietf.org/html/rfc3629
+        var u = str.charCodeAt(i); // possibly a lead surrogate
+        if (u >= 0xD800 && u <= 0xDFFF) {
+          var u1 = str.charCodeAt(++i);
+          u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
+        }
+        if (u <= 0x7F) {
+          if (outIdx >= endIdx) break;
+          heap[outIdx++] = u;
+        } else if (u <= 0x7FF) {
+          if (outIdx + 1 >= endIdx) break;
+          heap[outIdx++] = 0xC0 | (u >> 6);
+          heap[outIdx++] = 0x80 | (u & 63);
+        } else if (u <= 0xFFFF) {
+          if (outIdx + 2 >= endIdx) break;
+          heap[outIdx++] = 0xE0 | (u >> 12);
+          heap[outIdx++] = 0x80 | ((u >> 6) & 63);
+          heap[outIdx++] = 0x80 | (u & 63);
+        } else {
+          if (outIdx + 3 >= endIdx) break;
+          if (u > 0x10FFFF) warnOnce('Invalid Unicode code point ' + ptrToString(u) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).');
+          heap[outIdx++] = 0xF0 | (u >> 18);
+          heap[outIdx++] = 0x80 | ((u >> 12) & 63);
+          heap[outIdx++] = 0x80 | ((u >> 6) & 63);
+          heap[outIdx++] = 0x80 | (u & 63);
+        }
+      }
+      // Null-terminate the pointer to the buffer.
+      heap[outIdx] = 0;
+      return outIdx - startIdx;
+    };
+  /** @type {function(string, boolean=, number=)} */
+  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) {
+          // we will read data by chunks of BUFSIZE
+          var BUFSIZE = 256;
+          var buf = Buffer.alloc(BUFSIZE);
+          var bytesRead = 0;
+  
+          // For some reason we must suppress a closure warning here, even though
+          // fd definitely exists on process.stdin, and is even the proper way to
+          // get the fd of stdin,
+          // https://github.com/nodejs/help/issues/2136#issuecomment-523649904
+          // This started to happen after moving this logic out of library_tty.js,
+          // so it is related to the surrounding code in some unclear manner.
+          /** @suppress {missingProperties} */
+          var fd = process.stdin.fd;
+  
+          try {
+            bytesRead = fs.readSync(fd, buf, 0, BUFSIZE, -1);
+          } catch(e) {
+            // Cross-platform differences: on Windows, reading EOF throws an exception, but on other OSes,
+            // reading EOF returns 0. Uniformize behavior by treating the EOF exception to return 0.
+            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') {
+          // Browser.
+          result = window.prompt('Input: ');  // returns null on cancel
+          if (result !== null) {
+            result += '\n';
+          }
+        } else if (typeof readline == 'function') {
+          // Command line.
+          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:function () {
+        // https://github.com/emscripten-core/emscripten/pull/1555
+        // if (ENVIRONMENT_IS_NODE) {
+        //   // currently, FS.init does not distinguish if process.stdin is a file or TTY
+        //   // device, it always assumes it's a TTY device. because of this, we're forcing
+        //   // process.stdin to UTF8 encoding to at least make stdin reading compatible
+        //   // with text files until FS.init can be refactored.
+        //   process.stdin.setEncoding('utf8');
+        // }
+      },
+  shutdown:function() {
+        // https://github.com/emscripten-core/emscripten/pull/1555
+        // if (ENVIRONMENT_IS_NODE) {
+        //   // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
+        //   // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
+        //   // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
+        //   // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
+        //   // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
+        //   process.stdin.pause();
+        // }
+      },
+  register:function(dev, ops) {
+        TTY.ttys[dev] = { input: [], output: [], ops: ops };
+        FS.registerDevice(dev, TTY.stream_ops);
+      },
+  stream_ops:{
+  open:function(stream) {
+          var tty = TTY.ttys[stream.node.rdev];
+          if (!tty) {
+            throw new FS.ErrnoError(43);
+          }
+          stream.tty = tty;
+          stream.seekable = false;
+        },
+  close:function(stream) {
+          // flush any pending line data
+          stream.tty.ops.fsync(stream.tty);
+        },
+  fsync:function(stream) {
+          stream.tty.ops.fsync(stream.tty);
+        },
+  read:function(stream, buffer, offset, length, pos /* ignored */) {
+          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:function(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:function(tty) {
+          return FS_stdin_getChar();
+        },
+  put_char:function(tty, val) {
+          if (val === null || val === 10) {
+            out(UTF8ArrayToString(tty.output, 0));
+            tty.output = [];
+          } else {
+            if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
+          }
+        },
+  fsync:function(tty) {
+          if (tty.output && tty.output.length > 0) {
+            out(UTF8ArrayToString(tty.output, 0));
+            tty.output = [];
+          }
+        },
+  ioctl_tcgets:function(tty) {
+          // typical setting
+          return {
+            c_iflag: 25856,
+            c_oflag: 5,
+            c_cflag: 191,
+            c_lflag: 35387,
+            c_cc: [
+              0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00,
+              0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+              0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            ]
+          };
+        },
+  ioctl_tcsets:function(tty, optional_actions, data) {
+          // currently just ignore
+          return 0;
+        },
+  ioctl_tiocgwinsz:function(tty) {
+          return [24, 80];
+        },
+  },
+  default_tty1_ops:{
+  put_char:function(tty, val) {
+          if (val === null || val === 10) {
+            err(UTF8ArrayToString(tty.output, 0));
+            tty.output = [];
+          } else {
+            if (val != 0) tty.output.push(val);
+          }
+        },
+  fsync:function(tty) {
+          if (tty.output && tty.output.length > 0) {
+            err(UTF8ArrayToString(tty.output, 0));
+            tty.output = [];
+          }
+        },
+  },
+  };
+  
+  
+  var zeroMemory = (address, size) => {
+      HEAPU8.fill(0, address, address + size);
+      return address;
+    };
+  
+  var alignMemory = (size, alignment) => {
+      assert(alignment, "alignment argument is required");
+      return Math.ceil(size / alignment) * alignment;
+    };
+  var mmapAlloc = (size) => {
+      abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
+    };
+  var MEMFS = {
+  ops_table:null,
+  mount(mount) {
+        return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
+      },
+  createNode(parent, name, mode, dev) {
+        if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+          // no supported
+          throw new FS.ErrnoError(63);
+        }
+        if (!MEMFS.ops_table) {
+          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; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
+          // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
+          // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
+          // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
+          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();
+        // add the new node to the parent
+        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); // Make sure to not return excess unused bytes.
+        return new Uint8Array(node.contents);
+      },
+  expandFileStorage(node, newCapacity) {
+        var prevCapacity = node.contents ? node.contents.length : 0;
+        if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough.
+        // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
+        // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
+        // avoid overshooting the allocation cap by a very large margin.
+        var CAPACITY_DOUBLING_MAX = 1024 * 1024;
+        newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0);
+        if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding.
+        var oldContents = node.contents;
+        node.contents = new Uint8Array(newCapacity); // Allocate new storage.
+        if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage.
+      },
+  resizeFileStorage(node, newSize) {
+        if (node.usedBytes == newSize) return;
+        if (newSize == 0) {
+          node.contents = null; // Fully decommit when requesting a resize to zero.
+          node.usedBytes = 0;
+        } else {
+          var oldContents = node.contents;
+          node.contents = new Uint8Array(newSize); // Allocate new storage.
+          if (oldContents) {
+            node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage.
+          }
+          node.usedBytes = newSize;
+        }
+      },
+  node_ops:{
+  getattr(node) {
+          var attr = {};
+          // device numbers reuse inode numbers.
+          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);
+          // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+          //       but this is not required by the standard.
+          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 we're overwriting a directory at new_name, make sure it's empty.
+          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);
+              }
+            }
+          }
+          // do the internal rewiring
+          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 in node.contents) {
+            if (!node.contents.hasOwnProperty(key)) {
+              continue;
+            }
+            entries.push(key);
+          }
+          return entries;
+        },
+  symlink(parent, newname, oldpath) {
+          var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 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);
+          assert(size >= 0);
+          if (size > 8 && contents.subarray) { // non-trivial, and typed array
+            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) {
+          // The data buffer should be a typed array view
+          assert(!(buffer instanceof ArrayBuffer));
+  
+          if (!length) return 0;
+          var node = stream.node;
+          node.timestamp = Date.now();
+  
+          if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array?
+            if (canOwn) {
+              assert(position === 0, 'canOwn must imply no weird position inside the file');
+              node.contents = buffer.subarray(offset, offset + length);
+              node.usedBytes = length;
+              return length;
+            } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
+              node.contents = buffer.slice(offset, offset + length);
+              node.usedBytes = length;
+              return length;
+            } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file?
+              node.contents.set(buffer.subarray(offset, offset + length), position);
+              return length;
+            }
+          }
+  
+          // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
+          MEMFS.expandFileStorage(node, position+length);
+          if (node.contents.subarray && buffer.subarray) {
+            // Use typed array write which is available.
+            node.contents.set(buffer.subarray(offset, offset + length), position);
+          } else {
+            for (var i = 0; i < length; i++) {
+             node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not.
+            }
+          }
+          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;
+          // Only make a new copy when MAP_PRIVATE is specified.
+          if (!(flags & 2) && contents.buffer === HEAP8.buffer) {
+            // We can't emulate MAP_SHARED when the file is not backed by the
+            // buffer we're mapping to (e.g. the HEAP buffer).
+            allocated = false;
+            ptr = contents.byteOffset;
+          } else {
+            // Try to avoid unnecessary slices.
+            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, allocated };
+        },
+  msync(stream, buffer, offset, length, mmapFlags) {
+          MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+          // should we check if bytesWritten and length are the same?
+          return 0;
+        },
+  },
+  };
+  
+  /** @param {boolean=} noRunDep */
+  var asyncLoad = (url, onload, onerror, noRunDep) => {
+      var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : '';
+      readAsync(url, (arrayBuffer) => {
+        assert(arrayBuffer, `Loading data file "${url}" failed (no 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 preloadPlugins = Module['preloadPlugins'] || [];
+  function FS_handledByPreloadPlugin(byteArray, fullname, finish, onerror) {
+      // Ensure plugins are ready.
+      if (typeof Browser != 'undefined') Browser.init();
+  
+      var handled = false;
+      preloadPlugins.forEach(function(plugin) {
+        if (handled) return;
+        if (plugin['canHandle'](fullname)) {
+          plugin['handle'](byteArray, fullname, finish, onerror);
+          handled = true;
+        }
+      });
+      return handled;
+    }
+  function FS_createPreloadedFile(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
+      // TODO we should allow people to just pass in a complete filename instead
+      // of parent and name being that we just join them anyways
+      var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+      var dep = getUniqueRunDependency(`cp ${fullname}`); // might have several active requests for the same fullname
+      function processData(byteArray) {
+        function finish(byteArray) {
+          if (preFinish) preFinish();
+          if (!dontCreateFile) {
+            FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+          }
+          if (onload) onload();
+          removeRunDependency(dep);
+        }
+        if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
+          if (onerror) onerror();
+          removeRunDependency(dep);
+        })) {
+          return;
+        }
+        finish(byteArray);
+      }
+      addRunDependency(dep);
+      if (typeof url == 'string') {
+        asyncLoad(url, (byteArray) => processData(byteArray), onerror);
+      } else {
+        processData(url);
+      }
+    }
+  
+  function 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;
+    }
+  
+  function FS_getMode(canRead, canWrite) {
+      var mode = 0;
+      if (canRead) mode |= 292 | 73;
+      if (canWrite) mode |= 146;
+      return mode;
+    }
+  
+  
+  
+  
+  var ERRNO_MESSAGES = {
+  0:"Success",
+  1:"Arg list too long",
+  2:"Permission denied",
+  3:"Address already in use",
+  4:"Address not available",
+  5:"Address family not supported by protocol family",
+  6:"No more processes",
+  7:"Socket already connected",
+  8:"Bad file number",
+  9:"Trying to read unreadable message",
+  10:"Mount device busy",
+  11:"Operation canceled",
+  12:"No children",
+  13:"Connection aborted",
+  14:"Connection refused",
+  15:"Connection reset by peer",
+  16:"File locking deadlock error",
+  17:"Destination address required",
+  18:"Math arg out of domain of func",
+  19:"Quota exceeded",
+  20:"File exists",
+  21:"Bad address",
+  22:"File too large",
+  23:"Host is unreachable",
+  24:"Identifier removed",
+  25:"Illegal byte sequence",
+  26:"Connection already in progress",
+  27:"Interrupted system call",
+  28:"Invalid argument",
+  29:"I/O error",
+  30:"Socket is already connected",
+  31:"Is a directory",
+  32:"Too many symbolic links",
+  33:"Too many open files",
+  34:"Too many links",
+  35:"Message too long",
+  36:"Multihop attempted",
+  37:"File or path name too long",
+  38:"Network interface is not configured",
+  39:"Connection reset by network",
+  40:"Network is unreachable",
+  41:"Too many open files in system",
+  42:"No buffer space available",
+  43:"No such device",
+  44:"No such file or directory",
+  45:"Exec format error",
+  46:"No record locks available",
+  47:"The link has been severed",
+  48:"Not enough core",
+  49:"No message of desired type",
+  50:"Protocol not available",
+  51:"No space left on device",
+  52:"Function not implemented",
+  53:"Socket is not connected",
+  54:"Not a directory",
+  55:"Directory not empty",
+  56:"State not recoverable",
+  57:"Socket operation on non-socket",
+  59:"Not a typewriter",
+  60:"No such device or address",
+  61:"Value too large for defined data type",
+  62:"Previous owner died",
+  63:"Not super-user",
+  64:"Broken pipe",
+  65:"Protocol error",
+  66:"Unknown protocol",
+  67:"Protocol wrong type for socket",
+  68:"Math result not representable",
+  69:"Read only file system",
+  70:"Illegal seek",
+  71:"No such process",
+  72:"Stale file handle",
+  73:"Connection timed out",
+  74:"Text file busy",
+  75:"Cross-device link",
+  100:"Device not a stream",
+  101:"Bad font file fmt",
+  102:"Invalid slot",
+  103:"Invalid request code",
+  104:"No anode",
+  105:"Block device required",
+  106:"Channel number out of range",
+  107:"Level 3 halted",
+  108:"Level 3 reset",
+  109:"Link number out of range",
+  110:"Protocol driver not attached",
+  111:"No CSI structure available",
+  112:"Level 2 halted",
+  113:"Invalid exchange",
+  114:"Invalid request descriptor",
+  115:"Exchange full",
+  116:"No data (for no delay io)",
+  117:"Timer expired",
+  118:"Out of streams resources",
+  119:"Machine is not on the network",
+  120:"Package not installed",
+  121:"The object is remote",
+  122:"Advertise error",
+  123:"Srmount error",
+  124:"Communication error on send",
+  125:"Cross mount point (not really error)",
+  126:"Given log. name not unique",
+  127:"f.d. invalid for this operation",
+  128:"Remote address changed",
+  129:"Can   access a needed shared lib",
+  130:"Accessing a corrupted shared lib",
+  131:".lib section in a.out corrupted",
+  132:"Attempting to link in too many libs",
+  133:"Attempting to exec a shared library",
+  135:"Streams pipe error",
+  136:"Too many users",
+  137:"Socket type not supported",
+  138:"Not supported",
+  139:"Protocol family not supported",
+  140:"Can't send after socket shutdown",
+  141:"Too many references",
+  142:"Host is down",
+  148:"No medium (in tape drive)",
+  156:"Level 2 not synchronized",
+  };
+  
+  var ERRNO_CODES = {
+  };
+  
+  function demangle(func) {
+      warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
+      return func;
+    }
+  function demangleAll(text) {
+      var regex =
+        /\b_Z[\w\d_]+/g;
+      return text.replace(regex,
+        function(x) {
+          var y = demangle(x);
+          return x === y ? x : (y + ' [' + x + ']');
+        });
+    }
+  var FS = {
+  root:null,
+  mounts:[],
+  devices:{
+  },
+  streams:[],
+  nextInode:1,
+  nameTable:null,
+  currentPath:"/",
+  initialized:false,
+  ignorePermissions:true,
+  ErrnoError:null,
+  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) {  // max recursive lookup of 8
+          throw new FS.ErrnoError(32);
+        }
+  
+        // split the absolute path
+        var parts = path.split('/').filter((p) => !!p);
+  
+        // start at the root
+        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) {
+            // stop resolving
+            break;
+          }
+  
+          current = FS.lookupNode(current, parts[i]);
+          current_path = PATH.join2(current_path, parts[i]);
+  
+          // jump to the mount's root node if this is a mountpoint
+          if (FS.isMountpoint(current)) {
+            if (!islast || (islast && opts.follow_mount)) {
+              current = current.mounted.root;
+            }
+          }
+  
+          // by default, lookupPath will not follow a symlink if it is the final path component.
+          // setting opts.follow = true will override this behavior.
+          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) {  // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+                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, parent);
+        }
+        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;
+          }
+        }
+        // if we failed to find it in the cache, call into the VFS
+        return FS.lookup(parent, name);
+      },
+  createNode:(parent, name, mode, rdev) => {
+        assert(typeof parent == 'object')
+        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;
+        }
+        // return 0 if any user, group or owner bits are set.
+        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) => {
+        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' || // opening for write
+              (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
+            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 = /** @constructor */ function() {
+            this.shared = { };
+          };
+          FS.FSStream.prototype = {};
+          Object.defineProperties(FS.FSStream.prototype, {
+            object: {
+              /** @this {FS.FSStream} */
+              get() { return this.node; },
+              /** @this {FS.FSStream} */
+              set(val) { this.node = val; }
+            },
+            isRead: {
+              /** @this {FS.FSStream} */
+              get() { return (this.flags & 2097155) !== 1; }
+            },
+            isWrite: {
+              /** @this {FS.FSStream} */
+              get() { return (this.flags & 2097155) !== 0; }
+            },
+            isAppend: {
+              /** @this {FS.FSStream} */
+              get() { return (this.flags & 1024); }
+            },
+            flags: {
+              /** @this {FS.FSStream} */
+              get() { return this.shared.flags; },
+              /** @this {FS.FSStream} */
+              set(val) { this.shared.flags = val; },
+            },
+            position : {
+              /** @this {FS.FSStream} */
+              get() { return this.shared.position; },
+              /** @this {FS.FSStream} */
+              set(val) { this.shared.position = val; },
+            },
+          });
+        }
+        // clone it, so we can return an instance of FSStream
+        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);
+          // override node's stream ops with the device's
+          stream.stream_ops = device.stream_ops;
+          // forward the open call
+          if (stream.stream_ops.open) {
+            stream.stream_ops.open(stream);
+          }
+        },
+  llseek:() => {
+          throw new FS.ErrnoError(70);
+        },
+  },
+  major:(dev) => ((dev) >> 8),
+  minor:(dev) => ((dev) & 0xff),
+  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.apply(check, 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) {
+          assert(FS.syncFSRequests > 0);
+          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);
+          }
+        };
+  
+        // sync all mounts
+        mounts.forEach((mount) => {
+          if (!mount.type.syncfs) {
+            return done(null);
+          }
+          mount.type.syncfs(mount, populate, done);
+        });
+      },
+  mount:(type, opts, mountpoint) => {
+        if (typeof type == 'string') {
+          // The filesystem was not included, and instead we have an error
+          // message stored in the variable.
+          throw type;
+        }
+        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;  // use the absolute 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,
+          opts,
+          mountpoint,
+          mounts: []
+        };
+  
+        // create a root node for the fs
+        var mountRoot = type.mount(mount);
+        mountRoot.mount = mount;
+        mount.root = mountRoot;
+  
+        if (root) {
+          FS.root = mountRoot;
+        } else if (node) {
+          // set as a mountpoint
+          node.mounted = mount;
+  
+          // add the new mount to the current mount's children
+          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);
+        }
+  
+        // destroy the nodes for this mount, and all its child mounts
+        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;
+          }
+        });
+  
+        // no longer a mountpoint
+        node.mounted = null;
+  
+        // remove this mount from the child mounts
+        var idx = node.mount.mounts.indexOf(mount);
+        assert(idx !== -1);
+        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 /* 0666 */;
+        mode &= 4095;
+        mode |= 32768;
+        return FS.mknod(path, mode, 0);
+      },
+  mkdir:(path, mode) => {
+        mode = mode !== undefined ? mode : 511 /* 0777 */;
+        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 /* 0666 */;
+        }
+        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);
+        // parents must exist
+        var lookup, old_dir, new_dir;
+  
+        // let the errors from non existant directories percolate up
+        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);
+        // need to be part of the same mount
+        if (old_dir.mount !== new_dir.mount) {
+          throw new FS.ErrnoError(75);
+        }
+        // source must exist
+        var old_node = FS.lookupNode(old_dir, old_name);
+        // old path should not be an ancestor of the new path
+        var relative = PATH_FS.relative(old_path, new_dirname);
+        if (relative.charAt(0) !== '.') {
+          throw new FS.ErrnoError(28);
+        }
+        // new path should not be an ancestor of the old path
+        relative = PATH_FS.relative(new_path, old_dirname);
+        if (relative.charAt(0) !== '.') {
+          throw new FS.ErrnoError(55);
+        }
+        // see if the new path already exists
+        var new_node;
+        try {
+          new_node = FS.lookupNode(new_dir, new_name);
+        } catch (e) {
+          // not fatal
+        }
+        // early out if nothing needs to change
+        if (old_node === new_node) {
+          return;
+        }
+        // we'll need to delete the old entry
+        var isdir = FS.isDir(old_node.mode);
+        var errCode = FS.mayDelete(old_dir, old_name, isdir);
+        if (errCode) {
+          throw new FS.ErrnoError(errCode);
+        }
+        // need delete permissions if we'll be overwriting.
+        // need create permissions if new doesn't already exist.
+        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 we are going to change the parent, check write permissions
+        if (new_dir !== old_dir) {
+          errCode = FS.nodePermissions(old_dir, 'w');
+          if (errCode) {
+            throw new FS.ErrnoError(errCode);
+          }
+        }
+        // remove the node from the lookup hash
+        FS.hashRemoveNode(old_node);
+        // do the underlying fs rename
+        try {
+          old_dir.node_ops.rename(old_node, new_dir, new_name);
+        } catch (e) {
+          throw e;
+        } finally {
+          // add the node back to the hash (in case node_ops.rename
+          // changed its name)
+          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) {
+          // According to POSIX, we should map EISDIR to EPERM, but
+          // we instead do what Linux does (and we must, as we use
+          // the musl linux libc).
+          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()
+          // we ignore the uid / gid for 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 /* 0666 */ : 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) {
+            // ignore
+          }
+        }
+        // perhaps we need to create the node
+        var created = false;
+        if ((flags & 64)) {
+          if (node) {
+            // if O_CREAT and O_EXCL are set, error out if the node already exists
+            if ((flags & 128)) {
+              throw new FS.ErrnoError(20);
+            }
+          } else {
+            // node doesn't exist, try to create it
+            node = FS.mknod(path, mode, 0);
+            created = true;
+          }
+        }
+        if (!node) {
+          throw new FS.ErrnoError(44);
+        }
+        // can't truncate a device
+        if (FS.isChrdev(node.mode)) {
+          flags &= ~512;
+        }
+        // if asked only for a directory, then this must be one
+        if ((flags & 65536) && !FS.isDir(node.mode)) {
+          throw new FS.ErrnoError(54);
+        }
+        // check permissions, if this is not a file we just created now (it is ok to
+        // create and write to a file with read-only permissions; it is read-only
+        // for later use)
+        if (!created) {
+          var errCode = FS.mayOpen(node, flags);
+          if (errCode) {
+            throw new FS.ErrnoError(errCode);
+          }
+        }
+        // do truncation if necessary
+        if ((flags & 512) && !created) {
+          FS.truncate(node, 0);
+        }
+        // we've already handled these, don't pass down to the underlying vfs
+        flags &= ~(128 | 512 | 131072);
+  
+        // register the stream with the filesystem
+        var stream = FS.createStream({
+          node,
+          path: FS.getPath(node),  // we want the absolute path to the node
+          flags,
+          seekable: true,
+          position: 0,
+          stream_ops: node.stream_ops,
+          // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+          ungotten: [],
+          error: false
+        });
+        // call the new stream's open function
+        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; // free readdir state
+        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) => {
+        assert(offset >= 0);
+        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) => {
+        assert(offset >= 0);
+        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) {
+          // seek to the end before writing in append mode
+          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) => {
+        // User requests writing to file (prot & PROT_WRITE != 0).
+        // Checking if we have permissions to write to the file unless
+        // MAP_PRIVATE flag is set. According to POSIX spec it is possible
+        // to write to file opened in read-only mode with MAP_PRIVATE flag,
+        // as all modifications will be visible only in the memory of
+        // the current process.
+        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) => {
+        assert(offset >= 0);
+        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:() => {
+        // create /dev
+        FS.mkdir('/dev');
+        // setup /dev/null
+        FS.registerDevice(FS.makedev(1, 3), {
+          read: () => 0,
+          write: (stream, buffer, offset, length, pos) => length,
+        });
+        FS.mkdev('/dev/null', FS.makedev(1, 3));
+        // setup /dev/tty and /dev/tty1
+        // stderr needs to print output using err() rather than out()
+        // so we register a second tty just for it.
+        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));
+        // setup /dev/[u]random
+        // use a buffer to avoid overhead of individual crypto calls per byte
+        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);
+        // we're not going to emulate the actual shm device,
+        // just create the tmp dirs that reside in it commonly
+        FS.mkdir('/dev/shm');
+        FS.mkdir('/dev/shm/tmp');
+      },
+  createSpecialDirectories:() => {
+        // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
+        // name of the stream for fd 6 (see test_unistd_ttyname)
+        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 /* 0777 */, 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; // make it look like a simple root node
+                return ret;
+              }
+            };
+            return node;
+          }
+        }, {}, '/proc/self/fd');
+      },
+  createStandardStreams:() => {
+        // TODO deprecate the old functionality of a single
+        // input / output callback and that utilizes FS.createDevice
+        // and instead require a unique set of stream ops
+  
+        // by default, we symlink the standard streams to the
+        // default tty devices. however, if the standard streams
+        // have been overwritten we create a unique device for
+        // them instead.
+        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');
+        }
+  
+        // open default streams for the stdin, stdout and stderr devices
+        var stdin = FS.open('/dev/stdin', 0);
+        var stdout = FS.open('/dev/stdout', 1);
+        var stderr = FS.open('/dev/stderr', 1);
+        assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
+        assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
+        assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
+      },
+  ensureErrnoError:() => {
+        if (FS.ErrnoError) return;
+        FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
+          // We set the `name` property to be able to identify `FS.ErrnoError`
+          // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
+          // - when using PROXYFS, an error can come from an underlying FS
+          // as different FS objects have their own FS.ErrnoError each,
+          // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
+          // we'll use the reliable test `err.name == "ErrnoError"` instead
+          this.name = 'ErrnoError';
+          this.node = node;
+          this.setErrno = /** @this{Object} */ function(errno) {
+            this.errno = errno;
+            for (var key in ERRNO_CODES) {
+              if (ERRNO_CODES[key] === errno) {
+                this.code = key;
+                break;
+              }
+            }
+          };
+          this.setErrno(errno);
+          this.message = ERRNO_MESSAGES[errno];
+  
+          // Try to get a maximally helpful stack trace. On Node.js, getting Error.stack
+          // now ensures it shows what we want.
+          if (this.stack) {
+            // Define the stack property for Node.js 4, which otherwise errors on the next line.
+            Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
+            this.stack = demangleAll(this.stack);
+          }
+        };
+        FS.ErrnoError.prototype = new Error();
+        FS.ErrnoError.prototype.constructor = FS.ErrnoError;
+        // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
+        [44].forEach((code) => {
+          FS.genericErrors[code] = new FS.ErrnoError(code);
+          FS.genericErrors[code].stack = '<generic error, no stack>';
+        });
+      },
+  staticInit:() => {
+        FS.ensureErrnoError();
+  
+        FS.nameTable = new Array(4096);
+  
+        FS.mount(MEMFS, {}, '/');
+  
+        FS.createDefaultDirectories();
+        FS.createDefaultDevices();
+        FS.createSpecialDirectories();
+  
+        FS.filesystems = {
+          'MEMFS': MEMFS,
+        };
+      },
+  init:(input, output, error) => {
+        assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)');
+        FS.init.initialized = true;
+  
+        FS.ensureErrnoError();
+  
+        // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+        Module['stdin'] = input || Module['stdin'];
+        Module['stdout'] = output || Module['stdout'];
+        Module['stderr'] = error || Module['stderr'];
+  
+        FS.createStandardStreams();
+      },
+  quit:() => {
+        FS.init.initialized = false;
+        // force-flush all streams, so we get musl std streams printed out
+        _fflush(0);
+        // close all of our streams
+        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) => {
+        // operate from within the context of the symlink's target
+        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) {
+            // ignore EEXIST
+          }
+          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;
+          }
+          // make sure we can write to the file
+          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);
+        }
+        return node;
+      },
+  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);
+        // Create a fake device that a set of stream ops to emulate
+        // the old behavior.
+        FS.registerDevice(dev, {
+          open: (stream) => {
+            stream.seekable = false;
+          },
+          close: (stream) => {
+            // flush any pending line data
+            if (output && output.buffer && output.buffer.length) {
+              output(10);
+            }
+          },
+          read: (stream, buffer, offset, length, pos /* ignored */) => {
+            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_) {
+          // Command-line.
+          try {
+            // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
+            //          read() will try to parse UTF8.
+            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) => {
+        // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
+        /** @constructor */
+        function LazyUint8Array() {
+          this.lengthKnown = false;
+          this.chunks = []; // Loaded chunks. Index is the chunk number
+        }
+        LazyUint8Array.prototype.get = /** @this{Object} */ 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() {
+          // Find length
+          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; // Chunk size in bytes
+  
+          if (!hasByteServing) chunkSize = datalength;
+  
+          // Function to get a range from the remote URL.
+          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!");
+  
+            // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+            var xhr = new XMLHttpRequest();
+            xhr.open('GET', url, false);
+            if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+  
+            // Some hints to the browser that we want binary data.
+            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(/** @type{Array<number>} */(xhr.response || []));
+            }
+            return intArrayFromString(xhr.responseText || '', true);
+          };
+          var lazyArray = this;
+          lazyArray.setDataGetter((chunkNum) => {
+            var start = chunkNum * chunkSize;
+            var end = (chunkNum+1) * chunkSize - 1; // including this byte
+            end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
+            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) {
+            // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
+            chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
+            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: /** @this{Object} */ function() {
+                if (!this.lengthKnown) {
+                  this.cacheLength();
+                }
+                return this._length;
+              }
+            },
+            chunkSize: {
+              get: /** @this{Object} */ 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);
+        // This is a total hack, but I want to get this lazy file code out of the
+        // core of MEMFS. If we want to keep this lazy file concept I feel it should
+        // be its own thin LAZYFS proxying calls to MEMFS.
+        if (properties.contents) {
+          node.contents = properties.contents;
+        } else if (properties.url) {
+          node.contents = null;
+          node.url = properties.url;
+        }
+        // Add a function that defers querying the file size until it is asked the first time.
+        Object.defineProperties(node, {
+          usedBytes: {
+            get: /** @this {FSNode} */ function() { return this.contents.length; }
+          }
+        });
+        // override each stream op with one that tries to force load the lazy file first
+        var stream_ops = {};
+        var keys = Object.keys(node.stream_ops);
+        keys.forEach((key) => {
+          var fn = node.stream_ops[key];
+          stream_ops[key] = function forceLoadLazyFile() {
+            FS.forceLoadFile(node);
+            return fn.apply(null, arguments);
+          };
+        });
+        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);
+          assert(size >= 0);
+          if (contents.slice) { // normal array
+            for (var i = 0; i < size; i++) {
+              buffer[offset + i] = contents[position + i];
+            }
+          } else {
+            for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR
+              buffer[offset + i] = contents.get(position + i);
+            }
+          }
+          return size;
+        }
+        // use a custom read function
+        stream_ops.read = (stream, buffer, offset, length, position) => {
+          FS.forceLoadFile(node);
+          return writeChunks(stream, buffer, offset, length, position)
+        };
+        // use a custom mmap function
+        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, allocated: true };
+        };
+        node.stream_ops = stream_ops;
+        return node;
+      },
+  absolutePath:() => {
+        abort('FS.absolutePath has been removed; use PATH_FS.resolve instead');
+      },
+  createFolder:() => {
+        abort('FS.createFolder has been removed; use FS.mkdir instead');
+      },
+  createLink:() => {
+        abort('FS.createLink has been removed; use FS.symlink instead');
+      },
+  joinPath:() => {
+        abort('FS.joinPath has been removed; use PATH.join instead');
+      },
+  mmapAlloc:() => {
+        abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc');
+      },
+  standardizePath:() => {
+        abort('FS.standardizePath has been removed; use PATH.normalize instead');
+      },
+  };
+  
+  
+    /**
+     * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
+     * emscripten HEAP, returns a copy of that string as a Javascript String object.
+     *
+     * @param {number} ptr
+     * @param {number=} maxBytesToRead - An optional length that specifies the
+     *   maximum number of bytes to read. You can omit this parameter to scan the
+     *   string until the first 0 byte. If maxBytesToRead is passed, and the string
+     *   at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
+     *   string will cut short at that byte index (i.e. maxBytesToRead will not
+     *   produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
+     *   frequent uses of UTF8ToString() with and without maxBytesToRead may throw
+     *   JS JIT optimizations off, so it is worth to consider consistently using one
+     * @return {string}
+     */
+  var UTF8ToString = (ptr, maxBytesToRead) => {
+      assert(typeof ptr == 'number');
+      return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
+    };
+  var SYSCALLS = {
+  DEFAULT_POLLMASK:5,
+  calculateAt:function(dirfd, path, allowEmpty) {
+        if (PATH.isAbs(path)) {
+          return path;
+        }
+        // relative 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:function(func, path, buf) {
+        try {
+          var stat = func(path);
+        } catch (e) {
+          if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
+            // an error occurred while trying to look up the path; we should just report ENOTDIR
+            return -54;
+          }
+          throw e;
+        }
+        HEAP32[((buf)/2**2)] = stat.dev;
+        HEAP32[(((buf)+(4))/2**2)] = stat.mode;
+        HEAPU64[(((buf)+(8))/2**3)] = BigInt(stat.nlink);
+        HEAP32[(((buf)+(16))/2**2)] = stat.uid;
+        HEAP32[(((buf)+(20))/2**2)] = stat.gid;
+        HEAP32[(((buf)+(24))/2**2)] = stat.rdev;
+        HEAP64[(((buf)+(32))/2**3)] = BigInt(stat.size);
+        HEAP32[(((buf)+(40))/2**2)] = 4096;
+        HEAP32[(((buf)+(44))/2**2)] = stat.blocks;
+        var atime = stat.atime.getTime();
+        var mtime = stat.mtime.getTime();
+        var ctime = stat.ctime.getTime();
+        HEAP64[(((buf)+(48))/2**3)] = BigInt(Math.floor(atime / 1000));
+        HEAPU64[(((buf)+(56))/2**3)] = BigInt((atime % 1000) * 1000);
+        HEAP64[(((buf)+(64))/2**3)] = BigInt(Math.floor(mtime / 1000));
+        HEAPU64[(((buf)+(72))/2**3)] = BigInt((mtime % 1000) * 1000);
+        HEAP64[(((buf)+(80))/2**3)] = BigInt(Math.floor(ctime / 1000));
+        HEAPU64[(((buf)+(88))/2**3)] = BigInt((ctime % 1000) * 1000);
+        HEAP64[(((buf)+(96))/2**3)] = BigInt(stat.ino);
+        return 0;
+      },
+  doMsync:function(addr, stream, len, flags, offset) {
+        if (!FS.isFile(stream.node.mode)) {
+          throw new FS.ErrnoError(43);
+        }
+        if (flags & 2) {
+          // MAP_PRIVATE calls need not to be synced back to underlying fs
+          return 0;
+        }
+        var buffer = HEAPU8.slice(addr, addr + len);
+        FS.msync(stream, buffer, offset, len, flags);
+      },
+  varargs:undefined,
+  get() {
+        assert(SYSCALLS.varargs != undefined);
+        SYSCALLS.varargs += 4;
+        var ret = HEAP32[(((SYSCALLS.varargs)-(4))/2**2)];
+        return ret;
+      },
+  getStr(ptr) {
+        var ret = UTF8ToString(ptr);
+        return ret;
+      },
+  getStreamFromFD:function(fd) {
+        var stream = FS.getStreamChecked(fd);
+        return stream;
+      },
+  };
+  
+  function ___syscall_fcntl64(fd, cmd, varargs) {
+    varargs = bigintToI53Checked(varargs);;
+  
+    
+  SYSCALLS.varargs = varargs;
+  try {
+  
+      var stream = SYSCALLS.getStreamFromFD(fd);
+      switch (cmd) {
+        case 0: {
+          var arg = SYSCALLS.get();
+          if (arg < 0) {
+            return -28;
+          }
+          var newStream;
+          newStream = FS.createStream(stream, arg);
+          return newStream.fd;
+        }
+        case 1:
+        case 2:
+          return 0;  // FD_CLOEXEC makes no sense for a single process.
+        case 3:
+          return stream.flags;
+        case 4: {
+          var arg = SYSCALLS.get();
+          stream.flags |= arg;
+          return 0;
+        }
+        case 5:
+        /* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ {
+          
+          var arg = SYSCALLS.get();
+          var offset = 0;
+          // We're always unlocked.
+          HEAP16[(((arg)+(offset))/2**1)] = 2;
+          return 0;
+        }
+        case 6:
+        case 7:
+        /* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
+        /* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
+          
+          
+          return 0; // Pretend that the locking is successful.
+        case 16:
+        case 8:
+          return -28; // These are for sockets. We don't have them fully implemented yet.
+        case 9:
+          // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves.
+          setErrNo(28);
+          return -1;
+        default: {
+          return -28;
+        }
+      }
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return -e.errno;
+  }
+  ;
+  }
+
+  
+  function ___syscall_ioctl(fd, op, varargs) {
+    varargs = bigintToI53Checked(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.get();
+            HEAP32[((argp)/2**2)] = termios.c_iflag || 0;
+            HEAP32[(((argp)+(4))/2**2)] = termios.c_oflag || 0;
+            HEAP32[(((argp)+(8))/2**2)] = termios.c_cflag || 0;
+            HEAP32[(((argp)+(12))/2**2)] = termios.c_lflag || 0;
+            for (var i = 0; i < 32; i++) {
+              HEAP8[(((argp + i)+(17))/2**0)] = termios.c_cc[i] || 0;
+            }
+            return 0;
+          }
+          return 0;
+        }
+        case 21510:
+        case 21511:
+        case 21512: {
+          if (!stream.tty) return -59;
+          return 0; // no-op, not actually adjusting terminal settings
+        }
+        case 21506:
+        case 21507:
+        case 21508: {
+          if (!stream.tty) return -59;
+          if (stream.tty.ops.ioctl_tcsets) {
+            var argp = SYSCALLS.get();
+            var c_iflag = HEAP32[((argp)/2**2)];
+            var c_oflag = HEAP32[(((argp)+(4))/2**2)];
+            var c_cflag = HEAP32[(((argp)+(8))/2**2)];
+            var c_lflag = HEAP32[(((argp)+(12))/2**2)];
+            var c_cc = []
+            for (var i = 0; i < 32; i++) {
+              c_cc.push(HEAP8[(((argp + i)+(17))/2**0)]);
+            }
+            return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc });
+          }
+          return 0; // no-op, not actually adjusting terminal settings
+        }
+        case 21519: {
+          if (!stream.tty) return -59;
+          var argp = SYSCALLS.get();
+          HEAP32[((argp)/2**2)] = 0;
+          return 0;
+        }
+        case 21520: {
+          if (!stream.tty) return -59;
+          return -28; // not supported
+        }
+        case 21531: {
+          var argp = SYSCALLS.get();
+          return FS.ioctl(stream, op, argp);
+        }
+        case 21523: {
+          // TODO: in theory we should write to the winsize struct that gets
+          // passed in, but for now musl doesn't read anything on it
+          if (!stream.tty) return -59;
+          if (stream.tty.ops.ioctl_tiocgwinsz) {
+            var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
+            var argp = SYSCALLS.get();
+            HEAP16[((argp)/2**1)] = winsize[0];
+            HEAP16[(((argp)+(2))/2**1)] = winsize[1];
+          }
+          return 0;
+        }
+        case 21524: {
+          // TODO: technically, this ioctl call should change the window size.
+          // but, since emscripten doesn't have any concept of a terminal window
+          // yet, we'll just silently throw it away as we do TIOCGWINSZ
+          if (!stream.tty) return -59;
+          return 0;
+        }
+        case 21515: {
+          if (!stream.tty) return -59;
+          return 0;
+        }
+        default: return -28; // not supported
+      }
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return -e.errno;
+  }
+  ;
+  }
+
+  
+  function ___syscall_openat(dirfd, path, flags, varargs) {
+    path = bigintToI53Checked(path);;
+    varargs = bigintToI53Checked(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;
+  }
+  ;
+  }
+
+  var nowIsMonotonic = true;;
+  var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;
+
+  var _abort = () => {
+      abort('native code called abort()');
+    };
+
+  function _emscripten_date_now() {
+      return Date.now();
+    }
+
+  var getHeapMax = () =>
+      HEAPU8.length;
+  
+  var _emscripten_get_heap_max = () => BigInt(getHeapMax());;
+
+  var _emscripten_get_now;
+      // Modern environment where performance.now() is supported:
+      // N.B. a shorter form "_emscripten_get_now = performance.now;" is
+      // unfortunately not allowed even in current browsers (e.g. FF Nightly 75).
+      _emscripten_get_now = () => performance.now();
+  ;
+
+  function _emscripten_memcpy_big(dest, src, num) {
+    dest = bigintToI53Checked(dest);;
+    src = bigintToI53Checked(src);;
+    num = bigintToI53Checked(num);;
+  
+    return HEAPU8.copyWithin(dest, src, src + num);
+  }
+
+  
+  var abortOnCannotGrowMemory = (requestedSize) => {
+      abort(`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`);
+    };
+  
+  function _emscripten_resize_heap(requestedSize) {
+    requestedSize = bigintToI53Checked(requestedSize);;
+  
+    
+      var oldSize = HEAPU8.length;
+      abortOnCannotGrowMemory(requestedSize);
+    ;
+  }
+
+  var ENV = {
+  };
+  
+  var getExecutableName = () => {
+      return thisProgram || './this.program';
+    };
+  var getEnvStrings = () => {
+      if (!getEnvStrings.strings) {
+        // Default values.
+        // Browser language detection #8751
+        var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
+        var env = {
+          'USER': 'web_user',
+          'LOGNAME': 'web_user',
+          'PATH': '/',
+          'PWD': '/',
+          'HOME': '/home/web_user',
+          'LANG': lang,
+          '_': getExecutableName()
+        };
+        // Apply the user-provided values, if any.
+        for (var x in ENV) {
+          // x is a key in ENV; if ENV[x] is undefined, that means it was
+          // explicitly set to be so. We allow user code to do that to
+          // force variables with default values to remain unset.
+          if (ENV[x] === undefined) delete env[x];
+          else env[x] = ENV[x];
+        }
+        var strings = [];
+        for (var x in env) {
+          strings.push(`${x}=${env[x]}`);
+        }
+        getEnvStrings.strings = strings;
+      }
+      return getEnvStrings.strings;
+    };
+  
+  var stringToAscii = (str, buffer) => {
+      for (var i = 0; i < str.length; ++i) {
+        assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
+        HEAP8[((buffer++)/2**0)] = str.charCodeAt(i);
+      }
+      // Null-terminate the string
+      HEAP8[((buffer)/2**0)] = 0;
+    };
+  
+  
+  function _environ_get(__environ, environ_buf) {
+    __environ = bigintToI53Checked(__environ);;
+    environ_buf = bigintToI53Checked(environ_buf);;
+  
+    
+      var bufSize = 0;
+      getEnvStrings().forEach(function(string, i) {
+        var ptr = environ_buf + bufSize;
+        HEAPU64[(((__environ)+(i*8))/2**3)] = BigInt(ptr);
+        stringToAscii(string, ptr);
+        bufSize += string.length + 1;
+      });
+      return 0;
+    ;
+  }
+
+  
+  
+  function _environ_sizes_get(penviron_count, penviron_buf_size) {
+    penviron_count = bigintToI53Checked(penviron_count);;
+    penviron_buf_size = bigintToI53Checked(penviron_buf_size);;
+  
+    
+      var strings = getEnvStrings();
+      HEAPU64[((penviron_count)/2**3)] = BigInt(strings.length);
+      var bufSize = 0;
+      strings.forEach(function(string) {
+        bufSize += string.length + 1;
+      });
+      HEAPU64[((penviron_buf_size)/2**3)] = BigInt(bufSize);
+      return 0;
+    ;
+  }
+
+  
+  var _proc_exit = (code) => {
+      EXITSTATUS = code;
+      if (!keepRuntimeAlive()) {
+        if (Module['onExit']) Module['onExit'](code);
+        ABORT = true;
+      }
+      quit_(code, new ExitStatus(code));
+    };
+  /** @suppress {duplicate } */
+  /** @param {boolean|number=} implicit */
+  var exitJS = (status, implicit) => {
+      EXITSTATUS = status;
+  
+      checkUnflushedContent();
+  
+      // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
+      if (keepRuntimeAlive() && !implicit) {
+        var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
+        err(msg);
+      }
+  
+      _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) {
+    pbuf = bigintToI53Checked(pbuf);;
+  
+    
+  try {
+  
+      var rightsBase = 0;
+      var rightsInheriting = 0;
+      var flags = 0;
+      {
+        var stream = SYSCALLS.getStreamFromFD(fd);
+        // All character devices are terminals (other things a Linux system would
+        // assume is a character device, like the mouse, we have special APIs for).
+        var type = stream.tty ? 2 :
+                   FS.isDir(stream.mode) ? 3 :
+                   FS.isLink(stream.mode) ? 7 :
+                   4;
+      }
+      HEAP8[((pbuf)/2**0)] = type;
+      HEAP16[(((pbuf)+(2))/2**1)] = flags;
+      HEAP64[(((pbuf)+(8))/2**3)] = BigInt(rightsBase);
+      HEAP64[(((pbuf)+(16))/2**3)] = BigInt(rightsInheriting);
+      return 0;
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return e.errno;
+  }
+  ;
+  }
+
+  /** @param {number=} offset */
+  var doReadv = (stream, iov, iovcnt, offset) => {
+      var ret = 0;
+      for (var i = 0; i < iovcnt; i++) {
+        var ptr = Number(HEAPU64[((iov)/2**3)]);
+        var len = Number(HEAPU64[(((iov)+(8))/2**3)]);
+        iov += 16;
+        var curr = FS.read(stream, HEAP8,ptr, len, offset);
+        if (curr < 0) return -1;
+        ret += curr;
+        if (curr < len) break; // nothing more to read
+        if (typeof offset !== 'undefined') {
+          offset += curr;
+        }
+      }
+      return ret;
+    };
+  
+  
+  function _fd_read(fd, iov, iovcnt, pnum) {
+    iov = bigintToI53Checked(iov);;
+    iovcnt = bigintToI53Checked(iovcnt);;
+    pnum = bigintToI53Checked(pnum);;
+  
+    
+  try {
+  
+      var stream = SYSCALLS.getStreamFromFD(fd);
+      var num = doReadv(stream, iov, iovcnt);
+      HEAPU64[((pnum)/2**3)] = BigInt(num);
+      return 0;
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return e.errno;
+  }
+  ;
+  }
+
+  
+  function _fd_seek(fd, offset, whence, newOffset) {
+    offset = bigintToI53Checked(offset);;
+    newOffset = bigintToI53Checked(newOffset);;
+  
+    
+  try {
+  
+      if (isNaN(offset)) return 61;
+      var stream = SYSCALLS.getStreamFromFD(fd);
+      FS.llseek(stream, offset, whence);
+      HEAP64[((newOffset)/2**3)] = BigInt(stream.position);
+      if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
+      return 0;
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return e.errno;
+  }
+  ;
+  }
+
+  /** @param {number=} offset */
+  var doWritev = (stream, iov, iovcnt, offset) => {
+      var ret = 0;
+      for (var i = 0; i < iovcnt; i++) {
+        var ptr = Number(HEAPU64[((iov)/2**3)]);
+        var len = Number(HEAPU64[(((iov)+(8))/2**3)]);
+        iov += 16;
+        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) {
+    iov = bigintToI53Checked(iov);;
+    iovcnt = bigintToI53Checked(iovcnt);;
+    pnum = bigintToI53Checked(pnum);;
+  
+    
+  try {
+  
+      var stream = SYSCALLS.getStreamFromFD(fd);
+      var num = doWritev(stream, iov, iovcnt);
+      HEAPU64[((pnum)/2**3)] = BigInt(num);
+      return 0;
+    } catch (e) {
+    if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+    return e.errno;
+  }
+  ;
+  }
+
+  var isLeapYear = (year) => {
+        return year%4 === 0 && (year%100 !== 0 || year%400 === 0);
+    };
+  
+  var arraySum = (array, index) => {
+      var sum = 0;
+      for (var i = 0; i <= index; sum += array[i++]) {
+        // no-op
+      }
+      return sum;
+    };
+  
+  
+  var MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31];
+  
+  var MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31];
+  var addDays = (date, days) => {
+      var newDate = new Date(date.getTime());
+      while (days > 0) {
+        var leap = isLeapYear(newDate.getFullYear());
+        var currentMonth = newDate.getMonth();
+        var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth];
+  
+        if (days > daysInCurrentMonth-newDate.getDate()) {
+          // we spill over to next month
+          days -= (daysInCurrentMonth-newDate.getDate()+1);
+          newDate.setDate(1);
+          if (currentMonth < 11) {
+            newDate.setMonth(currentMonth+1)
+          } else {
+            newDate.setMonth(0);
+            newDate.setFullYear(newDate.getFullYear()+1);
+          }
+        } else {
+          // we stay in current month
+          newDate.setDate(newDate.getDate()+days);
+          return newDate;
+        }
+      }
+  
+      return newDate;
+    };
+  
+  
+  
+  
+  var writeArrayToMemory = (array, buffer) => {
+      assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
+      HEAP8.set(array, buffer);
+    };
+  
+  
+  var _strftime = function(s, maxsize, format, tm) {
+    s = bigintToI53Checked(s);;
+    maxsize = bigintToI53Checked(maxsize);;
+    format = bigintToI53Checked(format);;
+    tm = bigintToI53Checked(tm);;
+  
+    var ret = (() => { 
+      // size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr);
+      // http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html
+  
+      var tm_zone = HEAP32[(((tm)+(48))/2**2)];
+  
+      var date = {
+        tm_sec: HEAP32[((tm)/2**2)],
+        tm_min: HEAP32[(((tm)+(4))/2**2)],
+        tm_hour: HEAP32[(((tm)+(8))/2**2)],
+        tm_mday: HEAP32[(((tm)+(12))/2**2)],
+        tm_mon: HEAP32[(((tm)+(16))/2**2)],
+        tm_year: HEAP32[(((tm)+(20))/2**2)],
+        tm_wday: HEAP32[(((tm)+(24))/2**2)],
+        tm_yday: HEAP32[(((tm)+(28))/2**2)],
+        tm_isdst: HEAP32[(((tm)+(32))/2**2)],
+        tm_gmtoff: HEAP32[(((tm)+(40))/2**2)],
+        tm_zone: tm_zone ? UTF8ToString(tm_zone) : ''
+      };
+  
+      var pattern = UTF8ToString(format);
+  
+      // expand format
+      var EXPANSION_RULES_1 = {
+        '%c': '%a %b %d %H:%M:%S %Y',     // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug  3 14:02:01 2013
+        '%D': '%m/%d/%y',                 // Equivalent to %m / %d / %y
+        '%F': '%Y-%m-%d',                 // Equivalent to %Y - %m - %d
+        '%h': '%b',                       // Equivalent to %b
+        '%r': '%I:%M:%S %p',              // Replaced by the time in a.m. and p.m. notation
+        '%R': '%H:%M',                    // Replaced by the time in 24-hour notation
+        '%T': '%H:%M:%S',                 // Replaced by the time
+        '%x': '%m/%d/%y',                 // Replaced by the locale's appropriate date representation
+        '%X': '%H:%M:%S',                 // Replaced by the locale's appropriate time representation
+        // Modified Conversion Specifiers
+        '%Ec': '%c',                      // Replaced by the locale's alternative appropriate date and time representation.
+        '%EC': '%C',                      // Replaced by the name of the base year (period) in the locale's alternative representation.
+        '%Ex': '%m/%d/%y',                // Replaced by the locale's alternative date representation.
+        '%EX': '%H:%M:%S',                // Replaced by the locale's alternative time representation.
+        '%Ey': '%y',                      // Replaced by the offset from %EC (year only) in the locale's alternative representation.
+        '%EY': '%Y',                      // Replaced by the full alternative year representation.
+        '%Od': '%d',                      // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading <space> characters.
+        '%Oe': '%e',                      // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading <space> characters.
+        '%OH': '%H',                      // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols.
+        '%OI': '%I',                      // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols.
+        '%Om': '%m',                      // Replaced by the month using the locale's alternative numeric symbols.
+        '%OM': '%M',                      // Replaced by the minutes using the locale's alternative numeric symbols.
+        '%OS': '%S',                      // Replaced by the seconds using the locale's alternative numeric symbols.
+        '%Ou': '%u',                      // Replaced by the weekday as a number in the locale's alternative representation (Monday=1).
+        '%OU': '%U',                      // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols.
+        '%OV': '%V',                      // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols.
+        '%Ow': '%w',                      // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols.
+        '%OW': '%W',                      // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols.
+        '%Oy': '%y',                      // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols.
+      };
+      for (var rule in EXPANSION_RULES_1) {
+        pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]);
+      }
+  
+      var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
+      var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
+  
+      function leadingSomething(value, digits, character) {
+        var str = typeof value == 'number' ? value.toString() : (value || '');
+        while (str.length < digits) {
+          str = character[0]+str;
+        }
+        return str;
+      }
+  
+      function leadingNulls(value, digits) {
+        return leadingSomething(value, digits, '0');
+      }
+  
+      function compareByDay(date1, date2) {
+        function sgn(value) {
+          return value < 0 ? -1 : (value > 0 ? 1 : 0);
+        }
+  
+        var compare;
+        if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) {
+          if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) {
+            compare = sgn(date1.getDate()-date2.getDate());
+          }
+        }
+        return compare;
+      }
+  
+      function getFirstWeekStartDate(janFourth) {
+          switch (janFourth.getDay()) {
+            case 0: // Sunday
+              return new Date(janFourth.getFullYear()-1, 11, 29);
+            case 1: // Monday
+              return janFourth;
+            case 2: // Tuesday
+              return new Date(janFourth.getFullYear(), 0, 3);
+            case 3: // Wednesday
+              return new Date(janFourth.getFullYear(), 0, 2);
+            case 4: // Thursday
+              return new Date(janFourth.getFullYear(), 0, 1);
+            case 5: // Friday
+              return new Date(janFourth.getFullYear()-1, 11, 31);
+            case 6: // Saturday
+              return new Date(janFourth.getFullYear()-1, 11, 30);
+          }
+      }
+  
+      function getWeekBasedYear(date) {
+          var thisDate = addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday);
+  
+          var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
+          var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4);
+  
+          var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
+          var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
+  
+          if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
+            // this date is after the start of the first week of this year
+            if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
+              return thisDate.getFullYear()+1;
+            }
+            return thisDate.getFullYear();
+          }
+          return thisDate.getFullYear()-1;
+      }
+  
+      var EXPANSION_RULES_2 = {
+        '%a': (date) => WEEKDAYS[date.tm_wday].substring(0,3) ,
+        '%A': (date) => WEEKDAYS[date.tm_wday],
+        '%b': (date) => MONTHS[date.tm_mon].substring(0,3),
+        '%B': (date) => MONTHS[date.tm_mon],
+        '%C': (date) => {
+          var year = date.tm_year+1900;
+          return leadingNulls((year/100)|0,2);
+        },
+        '%d': (date) => leadingNulls(date.tm_mday, 2),
+        '%e': (date) => leadingSomething(date.tm_mday, 2, ' '),
+        '%g': (date) => {
+          // %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year.
+          // In this system, weeks begin on a Monday and week 1 of the year is the week that includes
+          // January 4th, which is also the week that includes the first Thursday of the year, and
+          // is also the first week that contains at least four days in the year.
+          // If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of
+          // the last week of the preceding year; thus, for Saturday 2nd January 1999,
+          // %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th,
+          // or 31st is a Monday, it and any following days are part of week 1 of the following year.
+          // Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01.
+  
+          return getWeekBasedYear(date).toString().substring(2);
+        },
+        '%G': (date) => getWeekBasedYear(date),
+        '%H': (date) => leadingNulls(date.tm_hour, 2),
+        '%I': (date) => {
+          var twelveHour = date.tm_hour;
+          if (twelveHour == 0) twelveHour = 12;
+          else if (twelveHour > 12) twelveHour -= 12;
+          return leadingNulls(twelveHour, 2);
+        },
+        '%j': (date) => {
+          // Day of the year (001-366)
+          return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year+1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon-1), 3);
+        },
+        '%m': (date) => leadingNulls(date.tm_mon+1, 2),
+        '%M': (date) => leadingNulls(date.tm_min, 2),
+        '%n': () => '\n',
+        '%p': (date) => {
+          if (date.tm_hour >= 0 && date.tm_hour < 12) {
+            return 'AM';
+          }
+          return 'PM';
+        },
+        '%S': (date) => leadingNulls(date.tm_sec, 2),
+        '%t': () => '\t',
+        '%u': (date) => date.tm_wday || 7,
+        '%U': (date) => {
+          var days = date.tm_yday + 7 - date.tm_wday;
+          return leadingNulls(Math.floor(days / 7), 2);
+        },
+        '%V': (date) => {
+          // Replaced by the week number of the year (Monday as the first day of the week)
+          // as a decimal number [01,53]. If the week containing 1 January has four
+          // or more days in the new year, then it is considered week 1.
+          // Otherwise, it is the last week of the previous year, and the next week is week 1.
+          // Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday]
+          var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7);
+          // If 1 Jan is just 1-3 days past Monday, the previous week
+          // is also in this year.
+          if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
+            val++;
+          }
+          if (!val) {
+            val = 52;
+            // If 31 December of prev year a Thursday, or Friday of a
+            // leap year, then the prev year has 53 weeks.
+            var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
+            if (dec31 == 4 || (dec31 == 5 && isLeapYear(date.tm_year%400-1))) {
+              val++;
+            }
+          } else if (val == 53) {
+            // If 1 January is not a Thursday, and not a Wednesday of a
+            // leap year, then this year has only 52 weeks.
+            var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
+            if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year)))
+              val = 1;
+          }
+          return leadingNulls(val, 2);
+        },
+        '%w': (date) => date.tm_wday,
+        '%W': (date) => {
+          var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7);
+          return leadingNulls(Math.floor(days / 7), 2);
+        },
+        '%y': (date) => {
+          // Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year]
+          return (date.tm_year+1900).toString().substring(2);
+        },
+        // Replaced by the year as a decimal number (for example, 1997). [ tm_year]
+        '%Y': (date) => date.tm_year+1900,
+        '%z': (date) => {
+          // Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ).
+          // For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich).
+          var off = date.tm_gmtoff;
+          var ahead = off >= 0;
+          off = Math.abs(off) / 60;
+          // convert from minutes into hhmm format (which means 60 minutes = 100 units)
+          off = (off / 60)*100 + (off % 60);
+          return (ahead ? '+' : '-') + String("0000" + off).slice(-4);
+        },
+        '%Z': (date) => date.tm_zone,
+        '%%': () => '%'
+      };
+  
+      // Replace %% with a pair of NULLs (which cannot occur in a C string), then
+      // re-inject them after processing.
+      pattern = pattern.replace(/%%/g, '\0\0')
+      for (var rule in EXPANSION_RULES_2) {
+        if (pattern.includes(rule)) {
+          pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date));
+        }
+      }
+      pattern = pattern.replace(/\0\0/g, '%')
+  
+      var bytes = intArrayFromString(pattern, false);
+      if (bytes.length > maxsize) {
+        return 0;
+      }
+  
+      writeArrayToMemory(bytes, s);
+      return bytes.length-1;
+     })();
+    return BigInt(ret);
+  };
+  
+  var _strftime_l = function(s, maxsize, format, tm, loc) {
+    s = bigintToI53Checked(s);;
+    maxsize = bigintToI53Checked(maxsize);;
+    format = bigintToI53Checked(format);;
+    tm = bigintToI53Checked(tm);;
+    loc = bigintToI53Checked(loc);;
+  
+    var ret = (() => { 
+      return _strftime(s, maxsize, format, tm); // no locale support yet
+     })();
+    return BigInt(ret);
+  };
+
+
+  var handleException = (e) => {
+      // Certain exception types we do not treat as errors since they are used for
+      // internal control flow.
+      // 1. ExitStatus, which is thrown by exit()
+      // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
+      //    that wish to return to JS event loop.
+      if (e instanceof ExitStatus || e == 'unwind') {
+        return EXITSTATUS;
+      }
+      checkStackCookie();
+      if (e instanceof WebAssembly.RuntimeError) {
+        if (_emscripten_stack_get_current() <= 0) {
+          err('Stack overflow detected.  You can try increasing -sSTACK_SIZE (currently set to 524288)');
+        }
+      }
+      quit_(1, e);
+    };
+
+  
+  var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
+      assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
+      return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
+    };
+  var stringToUTF8OnStack = (str) => {
+      var size = lengthBytesUTF8(str) + 1;
+      var ret = stackAlloc(size);
+      stringToUTF8(str, ret, size);
+      return ret;
+    };
+
+
+
+  var FSNode = /** @constructor */ function(parent, name, mode, rdev) {
+    if (!parent) {
+      parent = this;  // root node sets parent to itself
+    }
+    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/*292*/ | 73/*73*/;
+  var writeMode = 146/*146*/;
+  Object.defineProperties(FSNode.prototype, {
+   read: {
+    get: /** @this{FSNode} */function() {
+     return (this.mode & readMode) === readMode;
+    },
+    set: /** @this{FSNode} */function(val) {
+     val ? this.mode |= readMode : this.mode &= ~readMode;
+    }
+   },
+   write: {
+    get: /** @this{FSNode} */function() {
+     return (this.mode & writeMode) === writeMode;
+    },
+    set: /** @this{FSNode} */function(val) {
+     val ? this.mode |= writeMode : this.mode &= ~writeMode;
+    }
+   },
+   isFolder: {
+    get: /** @this{FSNode} */function() {
+     return FS.isDir(this.mode);
+    }
+   },
+   isDevice: {
+    get: /** @this{FSNode} */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;;
+ERRNO_CODES = {
+      'EPERM': 63,
+      'ENOENT': 44,
+      'ESRCH': 71,
+      'EINTR': 27,
+      'EIO': 29,
+      'ENXIO': 60,
+      'E2BIG': 1,
+      'ENOEXEC': 45,
+      'EBADF': 8,
+      'ECHILD': 12,
+      'EAGAIN': 6,
+      'EWOULDBLOCK': 6,
+      'ENOMEM': 48,
+      'EACCES': 2,
+      'EFAULT': 21,
+      'ENOTBLK': 105,
+      'EBUSY': 10,
+      'EEXIST': 20,
+      'EXDEV': 75,
+      'ENODEV': 43,
+      'ENOTDIR': 54,
+      'EISDIR': 31,
+      'EINVAL': 28,
+      'ENFILE': 41,
+      'EMFILE': 33,
+      'ENOTTY': 59,
+      'ETXTBSY': 74,
+      'EFBIG': 22,
+      'ENOSPC': 51,
+      'ESPIPE': 70,
+      'EROFS': 69,
+      'EMLINK': 34,
+      'EPIPE': 64,
+      'EDOM': 18,
+      'ERANGE': 68,
+      'ENOMSG': 49,
+      'EIDRM': 24,
+      'ECHRNG': 106,
+      'EL2NSYNC': 156,
+      'EL3HLT': 107,
+      'EL3RST': 108,
+      'ELNRNG': 109,
+      'EUNATCH': 110,
+      'ENOCSI': 111,
+      'EL2HLT': 112,
+      'EDEADLK': 16,
+      'ENOLCK': 46,
+      'EBADE': 113,
+      'EBADR': 114,
+      'EXFULL': 115,
+      'ENOANO': 104,
+      'EBADRQC': 103,
+      'EBADSLT': 102,
+      'EDEADLOCK': 16,
+      'EBFONT': 101,
+      'ENOSTR': 100,
+      'ENODATA': 116,
+      'ETIME': 117,
+      'ENOSR': 118,
+      'ENONET': 119,
+      'ENOPKG': 120,
+      'EREMOTE': 121,
+      'ENOLINK': 47,
+      'EADV': 122,
+      'ESRMNT': 123,
+      'ECOMM': 124,
+      'EPROTO': 65,
+      'EMULTIHOP': 36,
+      'EDOTDOT': 125,
+      'EBADMSG': 9,
+      'ENOTUNIQ': 126,
+      'EBADFD': 127,
+      'EREMCHG': 128,
+      'ELIBACC': 129,
+      'ELIBBAD': 130,
+      'ELIBSCN': 131,
+      'ELIBMAX': 132,
+      'ELIBEXEC': 133,
+      'ENOSYS': 52,
+      'ENOTEMPTY': 55,
+      'ENAMETOOLONG': 37,
+      'ELOOP': 32,
+      'EOPNOTSUPP': 138,
+      'EPFNOSUPPORT': 139,
+      'ECONNRESET': 15,
+      'ENOBUFS': 42,
+      'EAFNOSUPPORT': 5,
+      'EPROTOTYPE': 67,
+      'ENOTSOCK': 57,
+      'ENOPROTOOPT': 50,
+      'ESHUTDOWN': 140,
+      'ECONNREFUSED': 14,
+      'EADDRINUSE': 3,
+      'ECONNABORTED': 13,
+      'ENETUNREACH': 40,
+      'ENETDOWN': 38,
+      'ETIMEDOUT': 73,
+      'EHOSTDOWN': 142,
+      'EHOSTUNREACH': 23,
+      'EINPROGRESS': 26,
+      'EALREADY': 7,
+      'EDESTADDRREQ': 17,
+      'EMSGSIZE': 35,
+      'EPROTONOSUPPORT': 66,
+      'ESOCKTNOSUPPORT': 137,
+      'EADDRNOTAVAIL': 4,
+      'ENETRESET': 39,
+      'EISCONN': 30,
+      'ENOTCONN': 53,
+      'ETOOMANYREFS': 141,
+      'EUSERS': 136,
+      'EDQUOT': 19,
+      'ESTALE': 72,
+      'ENOTSUP': 138,
+      'ENOMEDIUM': 148,
+      'EILSEQ': 25,
+      'EOVERFLOW': 61,
+      'ECANCELED': 11,
+      'ENOTRECOVERABLE': 56,
+      'EOWNERDEAD': 62,
+      'ESTRPIPE': 135,
+    };;
+function checkIncomingModuleAPI() {
+  ignoredModuleProp('fetchSettings');
+}
+var wasmImports = {
+  __cxa_throw: ___cxa_throw,
+  __syscall_fcntl64: ___syscall_fcntl64,
+  __syscall_ioctl: ___syscall_ioctl,
+  __syscall_openat: ___syscall_openat,
+  _emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
+  abort: _abort,
+  emscripten_date_now: _emscripten_date_now,
+  emscripten_get_heap_max: _emscripten_get_heap_max,
+  emscripten_get_now: _emscripten_get_now,
+  emscripten_memcpy_big: _emscripten_memcpy_big,
+  emscripten_resize_heap: _emscripten_resize_heap,
+  environ_get: _environ_get,
+  environ_sizes_get: _environ_sizes_get,
+  exit: _exit,
+  fd_close: _fd_close,
+  fd_fdstat_get: _fd_fdstat_get,
+  fd_read: _fd_read,
+  fd_seek: _fd_seek,
+  fd_write: _fd_write,
+  strftime_l: _strftime_l
+};
+var asm = createWasm();
+/** @type {function(...*):?} */
+var ___wasm_call_ctors = createExportWrapper("__wasm_call_ctors");
+/** @type {function(...*):?} */
+var _malloc = createExportWrapper("malloc");
+/** @type {function(...*):?} */
+var _main = Module['_main'] = createExportWrapper("__main_argc_argv");
+/** @type {function(...*):?} */
+var _fflush = Module['_fflush'] = createExportWrapper("fflush");
+/** @type {function(...*):?} */
+var _free = createExportWrapper("free");
+/** @type {function(...*):?} */
+var ___errno_location = createExportWrapper("__errno_location");
+/** @type {function(...*):?} */
+var _emscripten_stack_init = function() {
+  return (_emscripten_stack_init = Module['asm']['emscripten_stack_init']).apply(null, arguments);
+};
+
+/** @type {function(...*):?} */
+var _emscripten_stack_get_free = function() {
+  return (_emscripten_stack_get_free = Module['asm']['emscripten_stack_get_free']).apply(null, arguments);
+};
+
+/** @type {function(...*):?} */
+var _emscripten_stack_get_base = function() {
+  return (_emscripten_stack_get_base = Module['asm']['emscripten_stack_get_base']).apply(null, arguments);
+};
+
+/** @type {function(...*):?} */
+var _emscripten_stack_get_end = function() {
+  return (_emscripten_stack_get_end = Module['asm']['emscripten_stack_get_end']).apply(null, arguments);
+};
+
+/** @type {function(...*):?} */
+var stackSave = createExportWrapper("stackSave");
+/** @type {function(...*):?} */
+var stackRestore = createExportWrapper("stackRestore");
+/** @type {function(...*):?} */
+var stackAlloc = createExportWrapper("stackAlloc");
+/** @type {function(...*):?} */
+var _emscripten_stack_get_current = function() {
+  return (_emscripten_stack_get_current = Module['asm']['emscripten_stack_get_current']).apply(null, arguments);
+};
+
+/** @type {function(...*):?} */
+var ___cxa_is_pointer_type = createExportWrapper("__cxa_is_pointer_type");
+
+function applySignatureConversions(exports) {
+  // First, make a copy of the incoming exports object
+  exports = Object.assign({}, exports);
+  var makeWrapper_pp = (f) => function (a0) { return Number(f(BigInt(a0))) };
+  var makeWrapper___PP = (f) => function (a0, a1, a2) { return f(a0, BigInt(a1 ? a1 : 0), BigInt(a2 ? a2 : 0)) };
+  var makeWrapper__p = (f) => function (a0) { return f(BigInt(a0)) };
+  var makeWrapper_p = (f) => function () { return Number(f()) };
+
+  exports['malloc'] = makeWrapper_pp(exports['malloc']);
+  exports['__main_argc_argv'] = makeWrapper___PP(exports['__main_argc_argv']);
+  exports['fflush'] = makeWrapper__p(exports['fflush']);
+  exports['free'] = makeWrapper__p(exports['free']);
+  exports['__errno_location'] = makeWrapper_p(exports['__errno_location']);
+  exports['emscripten_stack_get_base'] = makeWrapper_p(exports['emscripten_stack_get_base']);
+  exports['emscripten_stack_get_end'] = makeWrapper_p(exports['emscripten_stack_get_end']);
+  exports['stackSave'] = makeWrapper_p(exports['stackSave']);
+  exports['stackRestore'] = makeWrapper__p(exports['stackRestore']);
+  exports['stackAlloc'] = makeWrapper_pp(exports['stackAlloc']);
+  exports['emscripten_stack_get_current'] = makeWrapper_p(exports['emscripten_stack_get_current']);
+  exports['__cxa_is_pointer_type'] = makeWrapper__p(exports['__cxa_is_pointer_type']);
+  return exports
+}
+
+// include: postamble.js
+// === Auto-generated postamble setup entry stuff ===
+
+// include: base64Utils.js
+// Converts a string of base64 into a byte array.
+// Throws error on invalid input.
+function intArrayFromBase64(s) {
+  if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) {
+    var buf = Buffer.from(s, 'base64');
+    return new Uint8Array(buf['buffer'], buf['byteOffset'], buf['byteLength']);
+  }
+
+  try {
+    var decoded = atob(s);
+    var bytes = new Uint8Array(decoded.length);
+    for (var i = 0 ; i < decoded.length ; ++i) {
+      bytes[i] = decoded.charCodeAt(i);
+    }
+    return bytes;
+  } catch (_) {
+    throw new Error('Converting base64 string to bytes failed.');
+  }
+}
+
+// If filename is a base64 data URI, parses and returns data (Buffer on node,
+// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined.
+function tryParseAsDataURI(filename) {
+  if (!isDataURI(filename)) {
+    return;
+  }
+
+  return intArrayFromBase64(filename.slice(dataURIPrefix.length));
+}
+// end include: base64Utils.js
+Module['addRunDependency'] = addRunDependency;
+Module['removeRunDependency'] = removeRunDependency;
+Module['FS_createPath'] = FS.createPath;
+Module['FS_createDataFile'] = FS.createDataFile;
+Module['FS_createLazyFile'] = FS.createLazyFile;
+Module['FS_createDevice'] = FS.createDevice;
+Module['FS_unlink'] = FS.unlink;
+Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
+var missingLibrarySymbols = [
+  'writeI53ToI64',
+  'writeI53ToI64Clamped',
+  'writeI53ToI64Signaling',
+  'writeI53ToU64Clamped',
+  'writeI53ToU64Signaling',
+  'readI53FromI64',
+  'readI53FromU64',
+  'convertI32PairToI53',
+  'convertI32PairToI53Checked',
+  'convertU32PairToI53',
+  'growMemory',
+  'ydayFromDate',
+  'inetPton4',
+  'inetNtop4',
+  'inetPton6',
+  'inetNtop6',
+  'readSockaddr',
+  'writeSockaddr',
+  'getHostByName',
+  'traverseStack',
+  'getCallstack',
+  'emscriptenLog',
+  'convertPCtoSourceLocation',
+  'readEmAsmArgs',
+  'jstoi_q',
+  'jstoi_s',
+  'listenOnce',
+  'autoResumeAudioContext',
+  'getDynCaller',
+  'dynCall',
+  'runtimeKeepalivePush',
+  'runtimeKeepalivePop',
+  'callUserCallback',
+  'maybeExit',
+  'safeSetTimeout',
+  'asmjsMangle',
+  'handleAllocatorInit',
+  'HandleAllocator',
+  'getNativeTypeSize',
+  'STACK_SIZE',
+  'STACK_ALIGN',
+  'POINTER_SIZE',
+  'ASSERTIONS',
+  'getCFunc',
+  'ccall',
+  'cwrap',
+  'uleb128Encode',
+  'sigToWasmTypes',
+  'generateFuncType',
+  'convertJsFunctionToWasm',
+  'getEmptyTableSlot',
+  'updateTableMap',
+  'getFunctionAddress',
+  'addFunction',
+  'removeFunction',
+  'reallyNegative',
+  'unSign',
+  'strLen',
+  'reSign',
+  'formatString',
+  'intArrayToString',
+  'AsciiToString',
+  'UTF16ToString',
+  'stringToUTF16',
+  'lengthBytesUTF16',
+  'UTF32ToString',
+  'stringToUTF32',
+  'lengthBytesUTF32',
+  'stringToNewUTF8',
+  'registerKeyEventCallback',
+  'maybeCStringToJsString',
+  'findEventTarget',
+  'findCanvasEventTarget',
+  'getBoundingClientRect',
+  'fillMouseEventData',
+  'registerMouseEventCallback',
+  'registerWheelEventCallback',
+  'registerUiEventCallback',
+  'registerFocusEventCallback',
+  'fillDeviceOrientationEventData',
+  'registerDeviceOrientationEventCallback',
+  'fillDeviceMotionEventData',
+  'registerDeviceMotionEventCallback',
+  'screenOrientation',
+  'fillOrientationChangeEventData',
+  'registerOrientationChangeEventCallback',
+  'fillFullscreenChangeEventData',
+  'registerFullscreenChangeEventCallback',
+  'JSEvents_requestFullscreen',
+  'JSEvents_resizeCanvasForFullscreen',
+  'registerRestoreOldStyle',
+  'hideEverythingExceptGivenElement',
+  'restoreHiddenElements',
+  'setLetterbox',
+  'softFullscreenResizeWebGLRenderTarget',
+  'doRequestFullscreen',
+  'fillPointerlockChangeEventData',
+  'registerPointerlockChangeEventCallback',
+  'registerPointerlockErrorEventCallback',
+  'requestPointerLock',
+  'fillVisibilityChangeEventData',
+  'registerVisibilityChangeEventCallback',
+  'registerTouchEventCallback',
+  'fillGamepadEventData',
+  'registerGamepadEventCallback',
+  'registerBeforeUnloadEventCallback',
+  'fillBatteryEventData',
+  'battery',
+  'registerBatteryEventCallback',
+  'setCanvasElementSize',
+  'getCanvasElementSize',
+  'jsStackTrace',
+  'stackTrace',
+  'checkWasiClock',
+  'wasiRightsToMuslOFlags',
+  'wasiOFlagsToMuslOFlags',
+  'createDyncallWrapper',
+  'setImmediateWrapped',
+  'clearImmediateWrapped',
+  'polyfillSetImmediate',
+  'getPromise',
+  'makePromise',
+  'idsToPromises',
+  'makePromiseCallback',
+  'setMainLoop',
+  'getSocketFromFD',
+  'getSocketAddress',
+  '_setNetworkCallback',
+  'heapObjectForWebGLType',
+  'heapAccessShiftForWebGLHeap',
+  'webgl_enable_ANGLE_instanced_arrays',
+  'webgl_enable_OES_vertex_array_object',
+  'webgl_enable_WEBGL_draw_buffers',
+  'webgl_enable_WEBGL_multi_draw',
+  'emscriptenWebGLGet',
+  'computeUnpackAlignedImageSize',
+  'colorChannelsInGlTextureFormat',
+  'emscriptenWebGLGetTexPixelData',
+  '__glGenObject',
+  'emscriptenWebGLGetUniform',
+  'webglGetUniformLocation',
+  'webglPrepareUniformLocationsBeforeFirstUse',
+  'webglGetLeftBracePos',
+  'emscriptenWebGLGetVertexAttrib',
+  '__glGetActiveAttribOrUniform',
+  'writeGLArray',
+  'registerWebGlEventCallback',
+  'runAndAbortIfError',
+  'SDL_unicode',
+  'SDL_ttfContext',
+  'SDL_audio',
+  'GLFW_Window',
+  'ALLOC_NORMAL',
+  'ALLOC_STACK',
+  'allocate',
+  'writeStringToMemory',
+  'writeAsciiToMemory',
+];
+missingLibrarySymbols.forEach(missingLibrarySymbol)
+
+var unexportedSymbols = [
+  'run',
+  'addOnPreRun',
+  'addOnInit',
+  'addOnPreMain',
+  'addOnExit',
+  'addOnPostRun',
+  'FS_createFolder',
+  'FS_createLink',
+  'out',
+  'err',
+  'callMain',
+  'abort',
+  'keepRuntimeAlive',
+  'wasmMemory',
+  'stackAlloc',
+  'stackSave',
+  'stackRestore',
+  'getTempRet0',
+  'setTempRet0',
+  'writeStackCookie',
+  'checkStackCookie',
+  'MAX_INT53',
+  'MIN_INT53',
+  'bigintToI53Checked',
+  'ptrToString',
+  'zeroMemory',
+  'exitJS',
+  'getHeapMax',
+  'abortOnCannotGrowMemory',
+  'ENV',
+  'MONTH_DAYS_REGULAR',
+  'MONTH_DAYS_LEAP',
+  'MONTH_DAYS_REGULAR_CUMULATIVE',
+  'MONTH_DAYS_LEAP_CUMULATIVE',
+  'isLeapYear',
+  'arraySum',
+  'addDays',
+  'ERRNO_CODES',
+  'ERRNO_MESSAGES',
+  'setErrNo',
+  'DNS',
+  'Protocols',
+  'Sockets',
+  'initRandomFill',
+  'randomFill',
+  'timers',
+  'warnOnce',
+  'UNWIND_CACHE',
+  'readEmAsmArgsArray',
+  'getExecutableName',
+  'handleException',
+  'asyncLoad',
+  'alignMemory',
+  'mmapAlloc',
+  'freeTableIndexes',
+  'functionsInTableMap',
+  'setValue',
+  'getValue',
+  'PATH',
+  'PATH_FS',
+  'UTF8Decoder',
+  'UTF8ArrayToString',
+  'UTF8ToString',
+  'stringToUTF8Array',
+  'stringToUTF8',
+  'lengthBytesUTF8',
+  'intArrayFromString',
+  'stringToAscii',
+  'UTF16Decoder',
+  'stringToUTF8OnStack',
+  'writeArrayToMemory',
+  'JSEvents',
+  'specialHTMLTargets',
+  'currentFullscreenStrategy',
+  'restoreOldWindowedStyle',
+  'demangle',
+  'demangleAll',
+  'ExitStatus',
+  'getEnvStrings',
+  'doReadv',
+  'doWritev',
+  'promiseMap',
+  'uncaughtExceptionCount',
+  'exceptionLast',
+  'exceptionCaught',
+  'ExceptionInfo',
+  'Browser',
+  'wget',
+  'SYSCALLS',
+  'preloadPlugins',
+  'FS_modeStringToFlags',
+  'FS_getMode',
+  'FS_stdin_getChar_buffer',
+  'FS_stdin_getChar',
+  'FS',
+  'MEMFS',
+  'TTY',
+  'PIPEFS',
+  'SOCKFS',
+  'tempFixedLengthArray',
+  'miniTempWebGLFloatBuffers',
+  'miniTempWebGLIntBuffers',
+  'GL',
+  'emscripten_webgl_power_preferences',
+  'AL',
+  'GLUT',
+  'EGL',
+  'GLEW',
+  'IDBStore',
+  'SDL',
+  'SDL_gfx',
+  'GLFW',
+  'allocateUTF8',
+  'allocateUTF8OnStack',
+];
+unexportedSymbols.forEach(unexportedRuntimeSymbol);
+
+
+
+var calledRun;
+
+dependenciesFulfilled = function runCaller() {
+  // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
+  if (!calledRun) run();
+  if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
+};
+
+function callMain(args = []) {
+  assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
+  assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
+
+  var entryFunction = _main;
+
+  args.unshift(thisProgram);
+
+  var argc = args.length;
+  var argv = stackAlloc((argc + 1) * 8);
+  var argv_ptr = argv >> 3;
+  args.forEach((arg) => {
+    HEAP64[argv_ptr++] = BigInt(stringToUTF8OnStack(arg));
+  });
+  HEAP64[argv_ptr] = BigInt(0);
+
+  try {
+
+    var ret = entryFunction(argc, BigInt(argv));
+
+    // if we're not running an evented main loop, it's time to exit
+    exitJS(ret, /* implicit = */ true);
+    return ret;
+  }
+  catch (e) {
+    return handleException(e);
+  }
+}
+
+function stackCheckInit() {
+  // This is normally called automatically during __wasm_call_ctors but need to
+  // get these values before even running any of the ctors so we call it redundantly
+  // here.
+  _emscripten_stack_init();
+  // TODO(sbc): Move writeStackCookie to native to to avoid this.
+  writeStackCookie();
+}
+
+function run(args = arguments_) {
+
+  if (runDependencies > 0) {
+    return;
+  }
+
+    stackCheckInit();
+
+  preRun();
+
+  // a preRun added a dependency, run will be called later
+  if (runDependencies > 0) {
+    return;
+  }
+
+  function doRun() {
+    // run may have just been called through dependencies being fulfilled just in this very frame,
+    // or while the async setStatus time below was happening
+    if (calledRun) return;
+    calledRun = true;
+    Module['calledRun'] = true;
+
+    if (ABORT) return;
+
+    initRuntime();
+
+    preMain();
+
+    if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
+
+    if (shouldRunNow) callMain(args);
+
+    postRun();
+  }
+
+  if (Module['setStatus']) {
+    Module['setStatus']('Running...');
+    setTimeout(function() {
+      setTimeout(function() {
+        Module['setStatus']('');
+      }, 1);
+      doRun();
+    }, 1);
+  } else
+  {
+    doRun();
+  }
+  checkStackCookie();
+}
+
+function checkUnflushedContent() {
+  // Compiler settings do not allow exiting the runtime, so flushing
+  // the streams is not possible. but in ASSERTIONS mode we check
+  // if there was something to flush, and if so tell the user they
+  // should request that the runtime be exitable.
+  // Normally we would not even include flush() at all, but in ASSERTIONS
+  // builds we do so just for this check, and here we see if there is any
+  // content to flush, that is, we check if there would have been
+  // something a non-ASSERTIONS build would have not seen.
+  // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
+  // mode (which has its own special function for this; otherwise, all
+  // the code is inside libc)
+  var oldOut = out;
+  var oldErr = err;
+  var has = false;
+  out = err = (x) => {
+    has = true;
+  }
+  try { // it doesn't matter if it fails
+    _fflush(0);
+    // also flush in the JS FS layer
+    ['stdout', 'stderr'].forEach(function(name) {
+      var info = FS.analyzePath('/dev/' + name);
+      if (!info) return;
+      var stream = info.object;
+      var rdev = stream.rdev;
+      var tty = TTY.ttys[rdev];
+      if (tty && tty.output && tty.output.length) {
+        has = true;
+      }
+    });
+  } catch(e) {}
+  out = oldOut;
+  err = oldErr;
+  if (has) {
+    warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.');
+  }
+}
+
+if (Module['preInit']) {
+  if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
+  while (Module['preInit'].length > 0) {
+    Module['preInit'].pop()();
+  }
+}
+
+// shouldRunNow refers to calling main(), not run().
+var shouldRunNow = true;
+
+if (Module['noInitialRun']) shouldRunNow = false;
+
+run();
+
+
+// end include: postamble.js