diff --git a/Cargo.lock b/Cargo.lock
index a18e08ca..6730de4b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1086,6 +1086,29 @@ dependencies = [
  "wasm-bindgen-shared",
 ]
 
+[[package]]
+name = "wasm-bindgen-downcast"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5dac026d43bcca6e7ce1c0956ba68f59edf6403e8e930a5d891be72c31a44340"
+dependencies = [
+ "js-sys",
+ "once_cell",
+ "wasm-bindgen",
+ "wasm-bindgen-downcast-macros",
+]
+
+[[package]]
+name = "wasm-bindgen-downcast-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5020cfa87c7cecefef118055d44e3c1fc122c7ec25701d528ee458a0b45f38f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.83"
@@ -1118,8 +1141,7 @@ checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"
 [[package]]
 name = "wasmer"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4927f95d9f17b9a3b123c99ca9d9d45952a7df1b97826545212d9517e1c54ec3"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "bytes",
  "cfg-if 1.0.0",
@@ -1131,6 +1153,7 @@ dependencies = [
  "target-lexicon",
  "thiserror",
  "wasm-bindgen",
+ "wasm-bindgen-downcast",
  "wasmer-compiler",
  "wasmer-derive",
  "wasmer-types",
@@ -1141,8 +1164,7 @@ dependencies = [
 [[package]]
 name = "wasmer-compiler"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50749ff89787ebce029e83b77cfb1585c1eb67ff7cb34aaa7ba64ebeb2b474f2"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "backtrace",
  "cfg-if 1.0.0",
@@ -1165,8 +1187,7 @@ dependencies = [
 [[package]]
 name = "wasmer-derive"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d19406a021b637c2d46d202a96f15d7d27b2762af7aeeb2ebcb5896b329ab313"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "proc-macro-error",
  "proc-macro2",
@@ -1177,8 +1198,7 @@ dependencies = [
 [[package]]
 name = "wasmer-types"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3bfa18d5568dec7df1bc92023bee9adcb135a2d59288e080788add89705262b4"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "enum-iterator",
  "enumset",
@@ -1192,8 +1212,7 @@ dependencies = [
 [[package]]
 name = "wasmer-vbus"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c49a4f8e2ff517eb63a9e04329e16f79a6f1281d438c788229bb046076622346"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "thiserror",
  "wasmer-vfs",
@@ -1202,8 +1221,7 @@ dependencies = [
 [[package]]
 name = "wasmer-vfs"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03215f8640183464fb824a6a64fb467db8e189ef22f5ffe744533c073ce7b425"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "slab",
  "thiserror",
@@ -1213,8 +1231,7 @@ dependencies = [
 [[package]]
 name = "wasmer-vm"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e2ab5dbf2886cf842f1edfde10d8cbeb687fe2f27a5f7b23b5058bed1696441"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "backtrace",
  "cc",
@@ -1237,8 +1254,7 @@ dependencies = [
 [[package]]
 name = "wasmer-vnet"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "988238083832d04de32e9c06d1ba548f9e45558d50a70ec45dae7ee1741a6f0c"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "bytes",
  "thiserror",
@@ -1248,8 +1264,7 @@ dependencies = [
 [[package]]
 name = "wasmer-wasi"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd64af37eaa01ff9c14df0da7d5b22cbd9b013ceffb5afd02136d0d6b78b0bcd"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "bytes",
  "cfg-if 1.0.0",
@@ -1283,8 +1298,7 @@ dependencies = [
 [[package]]
 name = "wasmer-wasi-types"
 version = "3.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6299be55d7fb5e998b3e765d4918ae6741b87c8645788a5ed246895aecc4d2ce"
+source = "git+https://github.com/wasmerio/wasmer?branch=fix-downcasting#d4041463bed13a336ea97a43d8317cb08481ed5a"
 dependencies = [
  "byteorder",
  "time",
diff --git a/Cargo.toml b/Cargo.toml
index ad2ad9a8..5d0ce3df 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,3 +20,8 @@ wasmer-vfs = { version = "3.0.2", default-features = false, features = ["mem-fs"
 [profile.release]
 lto = true
 opt-level = 'z'
+
+[patch.crates-io]
+wasmer = { git = "https://github.com/wasmerio/wasmer", default-features = false, features = ["js", "std"], branch = "fix-downcasting" }
+wasmer-wasi = { git = "https://github.com/wasmerio/wasmer", default-features = false, features = ["js"], branch = "fix-downcasting" }
+wasmer-vfs = { git = "https://github.com/wasmerio/wasmer", default-features = false, features = ["mem-fs"], branch = "fix-downcasting" }
diff --git a/pkg/wasmer_wasi_js.d.ts b/pkg/wasmer_wasi_js.d.ts
index 4e8f73fe..28d828dd 100644
--- a/pkg/wasmer_wasi_js.d.ts
+++ b/pkg/wasmer_wasi_js.d.ts
@@ -176,4 +176,79 @@ export class WASI {
 */
 export class WasmerRuntimeError {
   free(): void;
+/**
+* @returns {Symbol}
+*/
+  static __wbgd_downcast_token(): Symbol;
+}
+
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly memory: WebAssembly.Memory;
+  readonly __wbg_wasmerruntimeerror_free: (a: number) => void;
+  readonly wasmerruntimeerror___wbgd_downcast_token: () => number;
+  readonly __wbg_memfs_free: (a: number) => void;
+  readonly memfs_new: (a: number) => void;
+  readonly memfs_from_js: (a: number, b: number) => void;
+  readonly memfs_readDir: (a: number, b: number, c: number, d: number) => void;
+  readonly memfs_createDir: (a: number, b: number, c: number, d: number) => void;
+  readonly memfs_removeDir: (a: number, b: number, c: number, d: number) => void;
+  readonly memfs_removeFile: (a: number, b: number, c: number, d: number) => void;
+  readonly memfs_rename: (a: number, b: number, c: number, d: number, e: number, f: number) => void;
+  readonly memfs_metadata: (a: number, b: number, c: number, d: number) => void;
+  readonly memfs_open: (a: number, b: number, c: number, d: number, e: number) => void;
+  readonly __wbg_jsvirtualfile_free: (a: number) => void;
+  readonly jsvirtualfile_lastAccessed: (a: number) => number;
+  readonly jsvirtualfile_lastModified: (a: number) => number;
+  readonly jsvirtualfile_createdTime: (a: number) => number;
+  readonly jsvirtualfile_size: (a: number) => number;
+  readonly jsvirtualfile_setLength: (a: number, b: number, c: number) => void;
+  readonly jsvirtualfile_read: (a: number, b: number) => void;
+  readonly jsvirtualfile_readString: (a: number, b: number) => void;
+  readonly jsvirtualfile_write: (a: number, b: number, c: number, d: number) => void;
+  readonly jsvirtualfile_writeString: (a: number, b: number, c: number, d: number) => void;
+  readonly jsvirtualfile_flush: (a: number, b: number) => void;
+  readonly jsvirtualfile_seek: (a: number, b: number, c: number) => void;
+  readonly __wbg_wasi_free: (a: number) => void;
+  readonly wasi_new: (a: number, b: number) => void;
+  readonly wasi_fs: (a: number, b: number) => void;
+  readonly wasi_getImports: (a: number, b: number, c: number) => void;
+  readonly wasi_instantiate: (a: number, b: number, c: number, d: number) => void;
+  readonly wasi_start: (a: number, b: number, c: number) => void;
+  readonly wasi_getStdoutBuffer: (a: number, b: number) => void;
+  readonly wasi_getStdoutString: (a: number, b: number) => void;
+  readonly wasi_getStderrBuffer: (a: number, b: number) => void;
+  readonly wasi_getStderrString: (a: number, b: number) => void;
+  readonly wasi_setStdinBuffer: (a: number, b: number, c: number, d: number) => void;
+  readonly wasi_setStdinString: (a: number, b: number, c: number, d: number) => void;
+  readonly canonical_abi_realloc: (a: number, b: number, c: number, d: number) => number;
+  readonly canonical_abi_free: (a: number, b: number, c: number) => void;
+  readonly __wbindgen_malloc: (a: number) => number;
+  readonly __wbindgen_realloc: (a: number, b: number, c: number) => number;
+  readonly __wbindgen_export_2: WebAssembly.Table;
+  readonly __wbindgen_exn_store: (a: number) => void;
+  readonly __wbindgen_add_to_stack_pointer: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number) => void;
 }
+
+export type SyncInitInput = BufferSource | WebAssembly.Module;
+/**
+* Instantiates the given `module`, which can either be bytes or
+* a precompiled `WebAssembly.Module`.
+*
+* @param {SyncInitInput} module
+*
+* @returns {InitOutput}
+*/
+export function initSync(module: SyncInitInput): InitOutput;
+
+/**
+* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+* for everything else, calls `WebAssembly.instantiate` directly.
+*
+* @param {InitInput | Promise<InitInput>} module_or_path
+*
+* @returns {Promise<InitOutput>}
+*/
+export default function init (module_or_path?: InitInput | Promise<InitInput>): Promise<InitOutput>;
diff --git a/pkg/wasmer_wasi_js.js b/pkg/wasmer_wasi_js.js
index 4f4d3e94..36a8cb8b 100644
--- a/pkg/wasmer_wasi_js.js
+++ b/pkg/wasmer_wasi_js.js
@@ -1,2 +1,1319 @@
-import * as wasm from "./wasmer_wasi_js_bg.wasm";
-export * from "./wasmer_wasi_js_bg.js";
\ No newline at end of file
+
+let wasm;
+
+const heap = new Array(32).fill(undefined);
+
+heap.push(undefined, null, true, false);
+
+function getObject(idx) { return heap[idx]; }
+
+let heap_next = heap.length;
+
+function addHeapObject(obj) {
+    if (heap_next === heap.length) heap.push(heap.length + 1);
+    const idx = heap_next;
+    heap_next = heap[idx];
+
+    heap[idx] = obj;
+    return idx;
+}
+
+const cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+
+cachedTextDecoder.decode();
+
+let cachedUint8Memory0 = new Uint8Array();
+
+function getUint8Memory0() {
+    if (cachedUint8Memory0.byteLength === 0) {
+        cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachedUint8Memory0;
+}
+
+function getStringFromWasm0(ptr, len) {
+    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
+}
+
+function dropObject(idx) {
+    if (idx < 36) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+
+let WASM_VECTOR_LEN = 0;
+
+const cachedTextEncoder = new TextEncoder('utf-8');
+
+const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
+    ? function (arg, view) {
+    return cachedTextEncoder.encodeInto(arg, view);
+}
+    : function (arg, view) {
+    const buf = cachedTextEncoder.encode(arg);
+    view.set(buf);
+    return {
+        read: arg.length,
+        written: buf.length
+    };
+});
+
+function passStringToWasm0(arg, malloc, realloc) {
+
+    if (realloc === undefined) {
+        const buf = cachedTextEncoder.encode(arg);
+        const ptr = malloc(buf.length);
+        getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len);
+
+    const mem = getUint8Memory0();
+
+    let offset = 0;
+
+    for (; offset < len; offset++) {
+        const code = arg.charCodeAt(offset);
+        if (code > 0x7F) break;
+        mem[ptr + offset] = code;
+    }
+
+    if (offset !== len) {
+        if (offset !== 0) {
+            arg = arg.slice(offset);
+        }
+        ptr = realloc(ptr, len, len = offset + arg.length * 3);
+        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
+        const ret = encodeString(arg, view);
+
+        offset += ret.written;
+    }
+
+    WASM_VECTOR_LEN = offset;
+    return ptr;
+}
+
+function isLikeNone(x) {
+    return x === undefined || x === null;
+}
+
+let cachedInt32Memory0 = new Int32Array();
+
+function getInt32Memory0() {
+    if (cachedInt32Memory0.byteLength === 0) {
+        cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
+    }
+    return cachedInt32Memory0;
+}
+
+function debugString(val) {
+    // primitive types
+    const type = typeof val;
+    if (type == 'number' || type == 'boolean' || val == null) {
+        return  `${val}`;
+    }
+    if (type == 'string') {
+        return `"${val}"`;
+    }
+    if (type == 'symbol') {
+        const description = val.description;
+        if (description == null) {
+            return 'Symbol';
+        } else {
+            return `Symbol(${description})`;
+        }
+    }
+    if (type == 'function') {
+        const name = val.name;
+        if (typeof name == 'string' && name.length > 0) {
+            return `Function(${name})`;
+        } else {
+            return 'Function';
+        }
+    }
+    // objects
+    if (Array.isArray(val)) {
+        const length = val.length;
+        let debug = '[';
+        if (length > 0) {
+            debug += debugString(val[0]);
+        }
+        for(let i = 1; i < length; i++) {
+            debug += ', ' + debugString(val[i]);
+        }
+        debug += ']';
+        return debug;
+    }
+    // Test for built-in
+    const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
+    let className;
+    if (builtInMatches.length > 1) {
+        className = builtInMatches[1];
+    } else {
+        // Failed to match the standard '[object ClassName]'
+        return toString.call(val);
+    }
+    if (className == 'Object') {
+        // we're a user defined class or Object
+        // JSON.stringify avoids problems with cycles, and is generally much
+        // easier than looping through ownProperties of `val`.
+        try {
+            return 'Object(' + JSON.stringify(val) + ')';
+        } catch (_) {
+            return 'Object';
+        }
+    }
+    // errors
+    if (val instanceof Error) {
+        return `${val.name}: ${val.message}\n${val.stack}`;
+    }
+    // TODO we could test for more things here, like `Set`s and `Map`s.
+    return className;
+}
+
+let cachedFloat64Memory0 = new Float64Array();
+
+function getFloat64Memory0() {
+    if (cachedFloat64Memory0.byteLength === 0) {
+        cachedFloat64Memory0 = new Float64Array(wasm.memory.buffer);
+    }
+    return cachedFloat64Memory0;
+}
+
+function handleError(f, args) {
+    try {
+        return f.apply(this, args);
+    } catch (e) {
+        wasm.__wbindgen_exn_store(addHeapObject(e));
+    }
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
+}
+
+function passArray8ToWasm0(arg, malloc) {
+    const ptr = malloc(arg.length * 1);
+    getUint8Memory0().set(arg, ptr / 1);
+    WASM_VECTOR_LEN = arg.length;
+    return ptr;
+}
+/**
+*/
+export class JSVirtualFile {
+
+    static __wrap(ptr) {
+        const obj = Object.create(JSVirtualFile.prototype);
+        obj.ptr = ptr;
+
+        return obj;
+    }
+
+    __destroy_into_raw() {
+        const ptr = this.ptr;
+        this.ptr = 0;
+
+        return ptr;
+    }
+
+    free() {
+        const ptr = this.__destroy_into_raw();
+        wasm.__wbg_jsvirtualfile_free(ptr);
+    }
+    /**
+    * @returns {bigint}
+    */
+    lastAccessed() {
+        const ret = wasm.jsvirtualfile_lastAccessed(this.ptr);
+        return BigInt.asUintN(64, ret);
+    }
+    /**
+    * @returns {bigint}
+    */
+    lastModified() {
+        const ret = wasm.jsvirtualfile_lastModified(this.ptr);
+        return BigInt.asUintN(64, ret);
+    }
+    /**
+    * @returns {bigint}
+    */
+    createdTime() {
+        const ret = wasm.jsvirtualfile_createdTime(this.ptr);
+        return BigInt.asUintN(64, ret);
+    }
+    /**
+    * @returns {bigint}
+    */
+    size() {
+        const ret = wasm.jsvirtualfile_size(this.ptr);
+        return BigInt.asUintN(64, ret);
+    }
+    /**
+    * @param {bigint} new_size
+    */
+    setLength(new_size) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.jsvirtualfile_setLength(retptr, this.ptr, new_size);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @returns {Uint8Array}
+    */
+    read() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.jsvirtualfile_read(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            if (r3) {
+                throw takeObject(r2);
+            }
+            var v0 = getArrayU8FromWasm0(r0, r1).slice();
+            wasm.__wbindgen_free(r0, r1 * 1);
+            return v0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @returns {string}
+    */
+    readString() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.jsvirtualfile_readString(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            var ptr0 = r0;
+            var len0 = r1;
+            if (r3) {
+                ptr0 = 0; len0 = 0;
+                throw takeObject(r2);
+            }
+            return getStringFromWasm0(ptr0, len0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+            wasm.__wbindgen_free(ptr0, len0);
+        }
+    }
+    /**
+    * @param {Uint8Array} buf
+    * @returns {number}
+    */
+    write(buf) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            var ptr0 = passArray8ToWasm0(buf, wasm.__wbindgen_malloc);
+            var len0 = WASM_VECTOR_LEN;
+            wasm.jsvirtualfile_write(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return r0 >>> 0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+            buf.set(getUint8Memory0().subarray(ptr0 / 1, ptr0 / 1 + len0));
+            wasm.__wbindgen_free(ptr0, len0 * 1);
+        }
+    }
+    /**
+    * @param {string} buf
+    * @returns {number}
+    */
+    writeString(buf) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(buf, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.jsvirtualfile_writeString(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return r0 >>> 0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    */
+    flush() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.jsvirtualfile_flush(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {number} position
+    * @returns {number}
+    */
+    seek(position) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.jsvirtualfile_seek(retptr, this.ptr, position);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return r0 >>> 0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+}
+/**
+*/
+export class MemFS {
+
+    static __wrap(ptr) {
+        const obj = Object.create(MemFS.prototype);
+        obj.ptr = ptr;
+
+        return obj;
+    }
+
+    __destroy_into_raw() {
+        const ptr = this.ptr;
+        this.ptr = 0;
+
+        return ptr;
+    }
+
+    free() {
+        const ptr = this.__destroy_into_raw();
+        wasm.__wbg_memfs_free(ptr);
+    }
+    /**
+    */
+    constructor() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.memfs_new(retptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return MemFS.__wrap(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {any} jso
+    * @returns {MemFS}
+    */
+    static from_js(jso) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.memfs_from_js(retptr, addHeapObject(jso));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return MemFS.__wrap(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    * @returns {Array<any>}
+    */
+    readDir(path) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_readDir(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return takeObject(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    */
+    createDir(path) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_createDir(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    */
+    removeDir(path) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_removeDir(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    */
+    removeFile(path) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_removeFile(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    * @param {string} to
+    */
+    rename(path, to) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            const ptr1 = passStringToWasm0(to, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len1 = WASM_VECTOR_LEN;
+            wasm.memfs_rename(retptr, this.ptr, ptr0, len0, ptr1, len1);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    * @returns {object}
+    */
+    metadata(path) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_metadata(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return takeObject(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {string} path
+    * @param {any} options
+    * @returns {JSVirtualFile}
+    */
+    open(path, options) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(path, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.memfs_open(retptr, this.ptr, ptr0, len0, addHeapObject(options));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return JSVirtualFile.__wrap(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+}
+/**
+*/
+export class WASI {
+
+    static __wrap(ptr) {
+        const obj = Object.create(WASI.prototype);
+        obj.ptr = ptr;
+
+        return obj;
+    }
+
+    __destroy_into_raw() {
+        const ptr = this.ptr;
+        this.ptr = 0;
+
+        return ptr;
+    }
+
+    free() {
+        const ptr = this.__destroy_into_raw();
+        wasm.__wbg_wasi_free(ptr);
+    }
+    /**
+    * @param {WasiConfig} config
+    */
+    constructor(config) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_new(retptr, addHeapObject(config));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return WASI.__wrap(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @returns {MemFS}
+    */
+    get fs() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_fs(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return MemFS.__wrap(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {WebAssembly.Module} module
+    * @returns {object}
+    */
+    getImports(module) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_getImports(retptr, this.ptr, addHeapObject(module));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return takeObject(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * @param {any} module_or_instance
+    * @param {object | undefined} imports
+    * @returns {WebAssembly.Instance}
+    */
+    instantiate(module_or_instance, imports) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_instantiate(retptr, this.ptr, addHeapObject(module_or_instance), isLikeNone(imports) ? 0 : addHeapObject(imports));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return takeObject(r0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * Start the WASI Instance, it returns the status code when calling the start
+    * function
+    * @param {WebAssembly.Instance | undefined} instance
+    * @returns {number}
+    */
+    start(instance) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_start(retptr, this.ptr, isLikeNone(instance) ? 0 : addHeapObject(instance));
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            if (r2) {
+                throw takeObject(r1);
+            }
+            return r0 >>> 0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * Get the stdout buffer
+    * Note: this method flushes the stdout
+    * @returns {Uint8Array}
+    */
+    getStdoutBuffer() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_getStdoutBuffer(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            if (r3) {
+                throw takeObject(r2);
+            }
+            var v0 = getArrayU8FromWasm0(r0, r1).slice();
+            wasm.__wbindgen_free(r0, r1 * 1);
+            return v0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * Get the stdout data as a string
+    * Note: this method flushes the stdout
+    * @returns {string}
+    */
+    getStdoutString() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_getStdoutString(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            var ptr0 = r0;
+            var len0 = r1;
+            if (r3) {
+                ptr0 = 0; len0 = 0;
+                throw takeObject(r2);
+            }
+            return getStringFromWasm0(ptr0, len0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+            wasm.__wbindgen_free(ptr0, len0);
+        }
+    }
+    /**
+    * Get the stderr buffer
+    * Note: this method flushes the stderr
+    * @returns {Uint8Array}
+    */
+    getStderrBuffer() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_getStderrBuffer(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            if (r3) {
+                throw takeObject(r2);
+            }
+            var v0 = getArrayU8FromWasm0(r0, r1).slice();
+            wasm.__wbindgen_free(r0, r1 * 1);
+            return v0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * Get the stderr data as a string
+    * Note: this method flushes the stderr
+    * @returns {string}
+    */
+    getStderrString() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.wasi_getStderrString(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            var r2 = getInt32Memory0()[retptr / 4 + 2];
+            var r3 = getInt32Memory0()[retptr / 4 + 3];
+            var ptr0 = r0;
+            var len0 = r1;
+            if (r3) {
+                ptr0 = 0; len0 = 0;
+                throw takeObject(r2);
+            }
+            return getStringFromWasm0(ptr0, len0);
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+            wasm.__wbindgen_free(ptr0, len0);
+        }
+    }
+    /**
+    * Set the stdin buffer
+    * @param {Uint8Array} buf
+    */
+    setStdinBuffer(buf) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passArray8ToWasm0(buf, wasm.__wbindgen_malloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.wasi_setStdinBuffer(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+    /**
+    * Set the stdin data as a string
+    * @param {string} input
+    */
+    setStdinString(input) {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            const ptr0 = passStringToWasm0(input, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+            const len0 = WASM_VECTOR_LEN;
+            wasm.wasi_setStdinString(retptr, this.ptr, ptr0, len0);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            if (r1) {
+                throw takeObject(r0);
+            }
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
+    }
+}
+/**
+* A struct representing an aborted instruction execution, with a message
+* indicating the cause.
+*/
+export class WasmerRuntimeError {
+
+    static __wrap(ptr) {
+        const obj = Object.create(WasmerRuntimeError.prototype);
+        obj.ptr = ptr;
+
+        return obj;
+    }
+
+    __destroy_into_raw() {
+        const ptr = this.ptr;
+        this.ptr = 0;
+
+        return ptr;
+    }
+
+    free() {
+        const ptr = this.__destroy_into_raw();
+        wasm.__wbg_wasmerruntimeerror_free(ptr);
+    }
+    /**
+    * @returns {Symbol}
+    */
+    static __wbgd_downcast_token() {
+        const ret = wasm.wasmerruntimeerror___wbgd_downcast_token();
+        return takeObject(ret);
+    }
+}
+
+async function load(module, imports) {
+    if (typeof Response === 'function' && module instanceof Response) {
+        if (typeof WebAssembly.instantiateStreaming === 'function') {
+            try {
+                return await WebAssembly.instantiateStreaming(module, imports);
+
+            } catch (e) {
+                if (module.headers.get('Content-Type') != 'application/wasm') {
+                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
+
+                } else {
+                    throw e;
+                }
+            }
+        }
+
+        const bytes = await module.arrayBuffer();
+        return await WebAssembly.instantiate(bytes, imports);
+
+    } else {
+        const instance = await WebAssembly.instantiate(module, imports);
+
+        if (instance instanceof WebAssembly.Instance) {
+            return { instance, module };
+
+        } else {
+            return instance;
+        }
+    }
+}
+
+function getImports() {
+    const imports = {};
+    imports.wbg = {};
+    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
+        const ret = getObject(arg0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_crypto_e1d53a1d73fb10b8 = function(arg0) {
+        const ret = getObject(arg0).crypto;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_process_038c26bf42b093f8 = function(arg0) {
+        const ret = getObject(arg0).process;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_versions_ab37218d2f0b24a8 = function(arg0) {
+        const ret = getObject(arg0).versions;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_node_080f4b19d15bc1fe = function(arg0) {
+        const ret = getObject(arg0).node;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_is_string = function(arg0) {
+        const ret = typeof(getObject(arg0)) === 'string';
+        return ret;
+    };
+    imports.wbg.__wbg_require_78a3dcfbdba9cbce = function() { return handleError(function () {
+        const ret = module.require;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
+        const ret = getStringFromWasm0(arg0, arg1);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_call_168da88779e35f61 = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_msCrypto_6e7d3e1f92610cbb = function(arg0) {
+        const ret = getObject(arg0).msCrypto;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_newwithlength_f5933855e4f48a19 = function(arg0) {
+        const ret = new Uint8Array(arg0 >>> 0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_is_object = function(arg0) {
+        const val = getObject(arg0);
+        const ret = typeof(val) === 'object' && val !== null;
+        return ret;
+    };
+    imports.wbg.__wbg_get_57245cc7d7c7619d = function(arg0, arg1) {
+        const ret = getObject(arg0)[arg1 >>> 0];
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_call_97ae9d8645dc388b = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).call(getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_self_6d479506f72c6a71 = function() { return handleError(function () {
+        const ret = self.self;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_window_f2557cc78490aceb = function() { return handleError(function () {
+        const ret = window.window;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_globalThis_7f206bda628d5286 = function() { return handleError(function () {
+        const ret = globalThis.globalThis;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_global_ba75c50d1cf384f4 = function() { return handleError(function () {
+        const ret = global.global;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbindgen_is_undefined = function(arg0) {
+        const ret = getObject(arg0) === undefined;
+        return ret;
+    };
+    imports.wbg.__wbg_newnoargs_b5b063fc6c2f0376 = function(arg0, arg1) {
+        const ret = new Function(getStringFromWasm0(arg0, arg1));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_instanceof_Function_056d5b3aef8aaa85 = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof Function;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbindgen_memory = function() {
+        const ret = wasm.memory;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_buffer_3f3d764d4747d564 = function(arg0) {
+        const ret = getObject(arg0).buffer;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_new_8c3f0052272a457a = function(arg0) {
+        const ret = new Uint8Array(getObject(arg0));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_set_83db9690f9353e79 = function(arg0, arg1, arg2) {
+        getObject(arg0).set(getObject(arg1), arg2 >>> 0);
+    };
+    imports.wbg.__wbg_length_9e1ae1900cb0fbd5 = function(arg0) {
+        const ret = getObject(arg0).length;
+        return ret;
+    };
+    imports.wbg.__wbg_subarray_58ad4efbb5bcb886 = function(arg0, arg1, arg2) {
+        const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_is_function = function(arg0) {
+        const ret = typeof(getObject(arg0)) === 'function';
+        return ret;
+    };
+    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
+        takeObject(arg0);
+    };
+    imports.wbg.__wbindgen_string_get = function(arg0, arg1) {
+        const obj = getObject(arg1);
+        const ret = typeof(obj) === 'string' ? obj : undefined;
+        var ptr0 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        var len0 = WASM_VECTOR_LEN;
+        getInt32Memory0()[arg0 / 4 + 1] = len0;
+        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
+    };
+    imports.wbg.__wbg_instanceof_Module_09da91721979648d = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof WebAssembly.Module;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_instanceof_Table_aab62205c7444b79 = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof WebAssembly.Table;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_get_19328b9e516e0330 = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).get(arg1 >>> 0);
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_instanceof_Memory_f1dc0d9a83a9c8ea = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof WebAssembly.Memory;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_get_765201544a2b6869 = function() { return handleError(function (arg0, arg1) {
+        const ret = Reflect.get(getObject(arg0), getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_set_bf3f89b92d5a34bf = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = Reflect.set(getObject(arg0), getObject(arg1), getObject(arg2));
+        return ret;
+    }, arguments) };
+    imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
+        const ret = debugString(getObject(arg1));
+        const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        getInt32Memory0()[arg0 / 4 + 1] = len0;
+        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
+    };
+    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
+        throw new Error(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbindgen_rethrow = function(arg0) {
+        throw takeObject(arg0);
+    };
+    imports.wbg.__wbg_static_accessor_SYMBOL_45d4d15e3c4aeb33 = function() {
+        const ret = Symbol;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_newwithbyteoffsetandlength_d9aa266703cb98be = function(arg0, arg1, arg2) {
+        const ret = new Uint8Array(getObject(arg0), arg1 >>> 0, arg2 >>> 0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_imports_5d97b92618ae2b69 = function(arg0) {
+        const ret = WebAssembly.Module.imports(getObject(arg0));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_length_6e3bbe7c8bd4dbd8 = function(arg0) {
+        const ret = getObject(arg0).length;
+        return ret;
+    };
+    imports.wbg.__wbg_instanceof_Global_6ae38baa556a9042 = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof WebAssembly.Global;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_wasmerruntimeerror_new = function(arg0) {
+        const ret = WasmerRuntimeError.__wrap(arg0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_getPrototypeOf_c046822345b14263 = function() { return handleError(function (arg0) {
+        const ret = Reflect.getPrototypeOf(getObject(arg0));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_constructor_20fd216941fe9866 = function(arg0) {
+        const ret = getObject(arg0).constructor;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_jsval_eq = function(arg0, arg1) {
+        const ret = getObject(arg0) === getObject(arg1);
+        return ret;
+    };
+    imports.wbg.__wbindgen_number_get = function(arg0, arg1) {
+        const obj = getObject(arg1);
+        const ret = typeof(obj) === 'number' ? obj : undefined;
+        getFloat64Memory0()[arg0 / 8 + 1] = isLikeNone(ret) ? 0 : ret;
+        getInt32Memory0()[arg0 / 4 + 0] = !isLikeNone(ret);
+    };
+    imports.wbg.__wbindgen_is_symbol = function(arg0) {
+        const ret = typeof(getObject(arg0)) === 'symbol';
+        return ret;
+    };
+    imports.wbg.__wbg_new0_a57059d72c5b7aee = function() {
+        const ret = new Date();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_getTime_cb82adb2556ed13e = function(arg0) {
+        const ret = getObject(arg0).getTime();
+        return ret;
+    };
+    imports.wbg.__wbg_getTimezoneOffset_89bd4275e1ca8341 = function(arg0) {
+        const ret = getObject(arg0).getTimezoneOffset();
+        return ret;
+    };
+    imports.wbg.__wbg_new_0b9bfdd97583284e = function() {
+        const ret = new Object();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_bigint_from_u64 = function(arg0) {
+        const ret = BigInt.asUintN(64, arg0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_getPrototypeOf_ca7be35aca69033c = function(arg0) {
+        const ret = Object.getPrototypeOf(getObject(arg0));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_name_da379f055623f0d3 = function(arg0) {
+        const ret = getObject(arg0).name;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_new_8d2af00bc1e329ee = function(arg0, arg1) {
+        const ret = new Error(getStringFromWasm0(arg0, arg1));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_new_1d9a920c6bfc44a8 = function() {
+        const ret = new Array();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_push_740e4b286702d964 = function(arg0, arg1) {
+        const ret = getObject(arg0).push(getObject(arg1));
+        return ret;
+    };
+    imports.wbg.__wbindgen_boolean_get = function(arg0) {
+        const v = getObject(arg0);
+        const ret = typeof(v) === 'boolean' ? (v ? 1 : 0) : 2;
+        return ret;
+    };
+    imports.wbg.__wbg_isArray_27c46c67f498e15d = function(arg0) {
+        const ret = Array.isArray(getObject(arg0));
+        return ret;
+    };
+    imports.wbg.__wbg_entries_65a76a413fc91037 = function(arg0) {
+        const ret = Object.entries(getObject(arg0));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_instanceof_Instance_b0fc12339921a27e = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof WebAssembly.Instance;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbindgen_typeof = function(arg0) {
+        const ret = typeof getObject(arg0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_new_1c5d2ff1edfe6d73 = function() { return handleError(function (arg0, arg1) {
+        const ret = new WebAssembly.Instance(getObject(arg0), getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_newwithlength_7c42f7e738a9d5d3 = function(arg0) {
+        const ret = new Array(arg0 >>> 0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_apply_75f7334893eef4ad = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = Reflect.apply(getObject(arg0), getObject(arg1), getObject(arg2));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_instanceof_Object_595a1007518cbea3 = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof Object;
+        } catch {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbindgen_function_table = function() {
+        const ret = wasm.__wbindgen_export_2;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_number_new = function(arg0) {
+        const ret = arg0;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_bind_10dfe70e95d2a480 = function(arg0, arg1, arg2, arg3) {
+        const ret = getObject(arg0).bind(getObject(arg1), getObject(arg2), getObject(arg3));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_randomFillSync_6894564c2c334c42 = function() { return handleError(function (arg0, arg1, arg2) {
+        getObject(arg0).randomFillSync(getArrayU8FromWasm0(arg1, arg2));
+    }, arguments) };
+    imports.wbg.__wbg_getRandomValues_805f1c3d65988a5a = function() { return handleError(function (arg0, arg1) {
+        getObject(arg0).getRandomValues(getObject(arg1));
+    }, arguments) };
+    imports.wbg.__wbg_exports_1f32da4bc6734cea = function(arg0) {
+        const ret = getObject(arg0).exports;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_exports_4db28c393be16bc5 = function(arg0) {
+        const ret = WebAssembly.Module.exports(getObject(arg0));
+        return addHeapObject(ret);
+    };
+
+    return imports;
+}
+
+function initMemory(imports, maybe_memory) {
+
+}
+
+function finalizeInit(instance, module) {
+    wasm = instance.exports;
+    init.__wbindgen_wasm_module = module;
+    cachedFloat64Memory0 = new Float64Array();
+    cachedInt32Memory0 = new Int32Array();
+    cachedUint8Memory0 = new Uint8Array();
+
+
+    return wasm;
+}
+
+function initSync(module) {
+    const imports = getImports();
+
+    initMemory(imports);
+
+    if (!(module instanceof WebAssembly.Module)) {
+        module = new WebAssembly.Module(module);
+    }
+
+    const instance = new WebAssembly.Instance(module, imports);
+
+    return finalizeInit(instance, module);
+}
+
+async function init(input) {
+    if (typeof input === 'undefined') {
+        input = new URL('wasmer_wasi_js_bg.wasm', import.meta.url);
+    }
+    const imports = getImports();
+
+    if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
+        input = fetch(input);
+    }
+
+    initMemory(imports);
+
+    const { instance, module } = await load(await input, imports);
+
+    return finalizeInit(instance, module);
+}
+
+export { initSync }
+export default init;
diff --git a/pkg/wasmer_wasi_js_bg.wasm b/pkg/wasmer_wasi_js_bg.wasm
index 4d4bd71e..e30a4279 100644
Binary files a/pkg/wasmer_wasi_js_bg.wasm and b/pkg/wasmer_wasi_js_bg.wasm differ
diff --git a/pkg/wasmer_wasi_js_bg.wasm.d.ts b/pkg/wasmer_wasi_js_bg.wasm.d.ts
index 7ff53304..e2dce302 100644
--- a/pkg/wasmer_wasi_js_bg.wasm.d.ts
+++ b/pkg/wasmer_wasi_js_bg.wasm.d.ts
@@ -2,6 +2,7 @@
 /* eslint-disable */
 export const memory: WebAssembly.Memory;
 export function __wbg_wasmerruntimeerror_free(a: number): void;
+export function wasmerruntimeerror___wbgd_downcast_token(): number;
 export function __wbg_memfs_free(a: number): void;
 export function memfs_new(a: number): void;
 export function memfs_from_js(a: number, b: number): void;