initial

site/wasm/cursor/.cargo/config.toml

@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"

site/wasm/cursor/Cargo.lock

@@ -0,0 +1,144 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "bumpalo"
+version = "3.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "js-sys"
+version = "0.3.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a88f1bda2bd75b0452a14784937d796722fdebfe50df998aeb3f0b7603019a9"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "log"
+version = "0.4.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+
+[[package]]
+name = "once_cell"
+version = "1.20.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
+
+[[package]]
+name = "proc-macro2"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "proc-macro2",
+]
+
+[[package]]
+name = "syn"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
+
+[[package]]
+name = "wasm-bindgen"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "128d1e363af62632b8eb57219c8fd7877144af57558fb2ef0368d0087bddeb2e"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb6dd4d3ca0ddffd1dd1c9c04f94b868c37ff5fac97c30b97cff2d74fce3a358"
+dependencies = [
+ "bumpalo",
+ "log",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e79384be7f8f5a9dd5d7167216f022090cf1f9ec128e6e6a482a2cb5c5422c56"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26c6ab57572f7a24a4985830b120de1594465e5d500f24afe89e16b4e833ef68"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
+
+[[package]]
+name = "wasm_cursor"
+version = "0.0.0"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "web-sys"
+version = "0.3.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6488b90108c040df0fe62fa815cbdee25124641df01814dd7282749234c6112"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]

site/wasm/cursor/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "wasm_cursor"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[dependencies]
+wasm-bindgen = "=0.2.95"
+web-sys = { version = "0.3.72", features = ["CssStyleDeclaration", "Document", "HtmlElement", "MouseEvent", "NodeList", "Window"] }

site/wasm/cursor/build.rs

@@ -0,0 +1,22 @@
+use std::{path::Path, process::Command};
+
+fn main() {
+    /*
+    println!("cargo::rerun-if-changed=target/wasm32-unknown-unknown/debug/wasm_cursor.wasm");
+
+    let out = Command::new("wasm-bindgen")
+        .args(&[
+            "./target/wasm32-unknown-unknown/debug/wasm_cursor.wasm",
+            "--out-dir",
+            "pkg",
+            "--target",
+            "web",
+        ])
+        .output()
+        .unwrap();
+
+    if !out.status.success() {
+        panic!("{}", String::from_utf8_lossy(&out.stderr));
+    }
+    */
+}

site/wasm/cursor/pkg/wasm_cursor.d.ts

@@ -0,0 +1,37 @@
+/* tslint:disable */
+/* eslint-disable */
+export function main(): void;
+
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly memory: WebAssembly.Memory;
+  readonly main: () => void;
+  readonly __wbindgen_malloc: (a: number, b: number) => number;
+  readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
+  readonly __wbindgen_export_2: WebAssembly.Table;
+  readonly _dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h00af0edcf808575b: (a: number, b: number, c: number) => void;
+  readonly __wbindgen_exn_store: (a: number) => void;
+  readonly __wbindgen_start: () => void;
+}
+
+export type SyncInitInput = BufferSource | WebAssembly.Module;
+/**
+* Instantiates the given `module`, which can either be bytes or
+* a precompiled `WebAssembly.Module`.
+*
+* @param {{ module: SyncInitInput }} module - Passing `SyncInitInput` directly is deprecated.
+*
+* @returns {InitOutput}
+*/
+export function initSync(module: { module: SyncInitInput } | SyncInitInput): InitOutput;
+
+/**
+* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+* for everything else, calls `WebAssembly.instantiate` directly.
+*
+* @param {{ module_or_path: InitInput | Promise<InitInput> }} module_or_path - Passing `InitInput` directly is deprecated.
+*
+* @returns {Promise<InitOutput>}
+*/
+export default function __wbg_init (module_or_path?: { module_or_path: InitInput | Promise<InitInput> } | InitInput | Promise<InitInput>): Promise<InitOutput>;

site/wasm/cursor/pkg/wasm_cursor.js

@@ -0,0 +1,474 @@
+let wasm;
+
+const heap = new Array(128).fill(undefined);
+
+heap.push(undefined, null, true, false);
+
+function getObject(idx) { return heap[idx]; }
+
+let heap_next = heap.length;
+
+function dropObject(idx) {
+    if (idx < 132) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+
+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;
+}
+
+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 WASM_VECTOR_LEN = 0;
+
+let cachedUint8ArrayMemory0 = null;
+
+function getUint8ArrayMemory0() {
+    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
+        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachedUint8ArrayMemory0;
+}
+
+const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );
+
+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, 1) >>> 0;
+        getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);
+        WASM_VECTOR_LEN = buf.length;
+        return ptr;
+    }
+
+    let len = arg.length;
+    let ptr = malloc(len, 1) >>> 0;
+
+    const mem = getUint8ArrayMemory0();
+
+    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, 1) >>> 0;
+        const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
+        const ret = encodeString(arg, view);
+
+        offset += ret.written;
+        ptr = realloc(ptr, len, offset, 1) >>> 0;
+    }
+
+    WASM_VECTOR_LEN = offset;
+    return ptr;
+}
+
+let cachedDataViewMemory0 = null;
+
+function getDataViewMemory0() {
+    if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
+        cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
+    }
+    return cachedDataViewMemory0;
+}
+
+const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );
+
+if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };
+
+function getStringFromWasm0(ptr, len) {
+    ptr = ptr >>> 0;
+    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
+}
+
+const CLOSURE_DTORS = (typeof FinalizationRegistry === 'undefined')
+    ? { register: () => {}, unregister: () => {} }
+    : new FinalizationRegistry(state => {
+    wasm.__wbindgen_export_2.get(state.dtor)(state.a, state.b)
+});
+
+function makeMutClosure(arg0, arg1, dtor, f) {
+    const state = { a: arg0, b: arg1, cnt: 1, dtor };
+    const real = (...args) => {
+        // First up with a closure we increment the internal reference
+        // count. This ensures that the Rust closure environment won't
+        // be deallocated while we're invoking it.
+        state.cnt++;
+        const a = state.a;
+        state.a = 0;
+        try {
+            return f(a, state.b, ...args);
+        } finally {
+            if (--state.cnt === 0) {
+                wasm.__wbindgen_export_2.get(state.dtor)(a, state.b);
+                CLOSURE_DTORS.unregister(state);
+            } else {
+                state.a = a;
+            }
+        }
+    };
+    real.original = state;
+    CLOSURE_DTORS.register(real, state, state);
+    return real;
+}
+function __wbg_adapter_16(arg0, arg1, arg2) {
+    wasm._dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h00af0edcf808575b(arg0, arg1, addHeapObject(arg2));
+}
+
+export function main() {
+    wasm.main();
+}
+
+function isLikeNone(x) {
+    return x === undefined || x === null;
+}
+
+function handleError(f, args) {
+    try {
+        return f.apply(this, args);
+    } catch (e) {
+        wasm.__wbindgen_exn_store(addHeapObject(e));
+    }
+}
+
+async function __wbg_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 __wbg_get_imports() {
+    const imports = {};
+    imports.wbg = {};
+    imports.wbg.__wbindgen_cb_drop = function(arg0) {
+        const obj = takeObject(arg0).original;
+        if (obj.cnt-- == 1) {
+            obj.a = 0;
+            return true;
+        }
+        const ret = false;
+        return ret;
+    };
+    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
+        const ret = getObject(arg0);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_instanceof_Window_6575cd7f1322f82f = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof Window;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_document_d7fa2c739c2b191a = function(arg0) {
+        const ret = getObject(arg0).document;
+        return isLikeNone(ret) ? 0 : addHeapObject(ret);
+    };
+    imports.wbg.__wbg_body_8e909b791b1745d3 = function(arg0) {
+        const ret = getObject(arg0).body;
+        return isLikeNone(ret) ? 0 : addHeapObject(ret);
+    };
+    imports.wbg.__wbg_createElement_e4523490bd0ae51d = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = getObject(arg0).createElement(getStringFromWasm0(arg1, arg2));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_querySelectorAll_28e417f74795a70f = function() { return handleError(function (arg0, arg1, arg2) {
+        const ret = getObject(arg0).querySelectorAll(getStringFromWasm0(arg1, arg2));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_setclassName_4b7637091f940659 = function(arg0, arg1, arg2) {
+        getObject(arg0).className = getStringFromWasm0(arg1, arg2);
+    };
+    imports.wbg.__wbg_instanceof_HtmlElement_aab18e065dc9207d = function(arg0) {
+        let result;
+        try {
+            result = getObject(arg0) instanceof HTMLElement;
+        } catch (_) {
+            result = false;
+        }
+        const ret = result;
+        return ret;
+    };
+    imports.wbg.__wbg_style_04eb1488bc2ceffc = function(arg0) {
+        const ret = getObject(arg0).style;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_setProperty_b9a2384cbfb499fb = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
+        getObject(arg0).setProperty(getStringFromWasm0(arg1, arg2), getStringFromWasm0(arg3, arg4));
+    }, arguments) };
+    imports.wbg.__wbg_type_739ef24b64f58229 = function(arg0, arg1) {
+        const ret = getObject(arg1).type;
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    };
+    imports.wbg.__wbg_addEventListener_4357f9b7b3826784 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
+        getObject(arg0).addEventListener(getStringFromWasm0(arg1, arg2), getObject(arg3));
+    }, arguments) };
+    imports.wbg.__wbg_clientX_a8eebf094c107e43 = function(arg0) {
+        const ret = getObject(arg0).clientX;
+        return ret;
+    };
+    imports.wbg.__wbg_clientY_ffe0a79af8089cd4 = function(arg0) {
+        const ret = getObject(arg0).clientY;
+        return ret;
+    };
+    imports.wbg.__wbg_appendChild_bc4a0deae90a5164 = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).appendChild(getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_length_9a6b70327f5f86e1 = function(arg0) {
+        const ret = getObject(arg0).length;
+        return ret;
+    };
+    imports.wbg.__wbg_get_602f2a39a831c929 = function(arg0, arg1) {
+        const ret = getObject(arg0)[arg1 >>> 0];
+        return isLikeNone(ret) ? 0 : addHeapObject(ret);
+    };
+    imports.wbg.__wbg_newnoargs_1ede4bf2ebbaaf43 = function(arg0, arg1) {
+        const ret = new Function(getStringFromWasm0(arg0, arg1));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_call_a9ef466721e824f2 = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).call(getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_globalThis_05c129bf37fcf1be = function() { return handleError(function () {
+        const ret = globalThis.globalThis;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_self_bf91bf94d9e04084 = function() { return handleError(function () {
+        const ret = self.self;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_window_52dd9f07d03fd5f8 = function() { return handleError(function () {
+        const ret = window.window;
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_global_3eca19bb09e9c484 = 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.__wbindgen_debug_string = function(arg0, arg1) {
+        const ret = debugString(getObject(arg1));
+        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len1 = WASM_VECTOR_LEN;
+        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
+        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
+    };
+    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
+        takeObject(arg0);
+    };
+    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
+        throw new Error(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbindgen_rethrow = function(arg0) {
+        throw takeObject(arg0);
+    };
+    imports.wbg.__wbindgen_closure_wrapper66 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 13, __wbg_adapter_16);
+        return addHeapObject(ret);
+    };
+
+    return imports;
+}
+
+function __wbg_init_memory(imports, memory) {
+
+}
+
+function __wbg_finalize_init(instance, module) {
+    wasm = instance.exports;
+    __wbg_init.__wbindgen_wasm_module = module;
+    cachedDataViewMemory0 = null;
+    cachedUint8ArrayMemory0 = null;
+
+
+    wasm.__wbindgen_start();
+    return wasm;
+}
+
+function initSync(module) {
+    if (wasm !== undefined) return wasm;
+
+
+    if (typeof module !== 'undefined') {
+        if (Object.getPrototypeOf(module) === Object.prototype) {
+            ({module} = module)
+        } else {
+            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
+        }
+    }
+
+    const imports = __wbg_get_imports();
+
+    __wbg_init_memory(imports);
+
+    if (!(module instanceof WebAssembly.Module)) {
+        module = new WebAssembly.Module(module);
+    }
+
+    const instance = new WebAssembly.Instance(module, imports);
+
+    return __wbg_finalize_init(instance, module);
+}
+
+async function __wbg_init(module_or_path) {
+    if (wasm !== undefined) return wasm;
+
+
+    if (typeof module_or_path !== 'undefined') {
+        if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
+            ({module_or_path} = module_or_path)
+        } else {
+            console.warn('using deprecated parameters for the initialization function; pass a single object instead')
+        }
+    }
+
+    if (typeof module_or_path === 'undefined') {
+        module_or_path = new URL('wasm_cursor_bg.wasm', import.meta.url);
+    }
+    const imports = __wbg_get_imports();
+
+    if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
+        module_or_path = fetch(module_or_path);
+    }
+
+    __wbg_init_memory(imports);
+
+    const { instance, module } = await __wbg_load(await module_or_path, imports);
+
+    return __wbg_finalize_init(instance, module);
+}
+
+export { initSync };
+export default __wbg_init;

site/wasm/cursor/pkg/wasm_cursor_bg.wasm.d.ts

@@ -0,0 +1,10 @@
+/* tslint:disable */
+/* eslint-disable */
+export const memory: WebAssembly.Memory;
+export function main(): void;
+export function __wbindgen_malloc(a: number, b: number): number;
+export function __wbindgen_realloc(a: number, b: number, c: number, d: number): number;
+export const __wbindgen_export_2: WebAssembly.Table;
+export function _dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h00af0edcf808575b(a: number, b: number, c: number): void;
+export function __wbindgen_exn_store(a: number): void;
+export function __wbindgen_start(): void;

site/wasm/cursor/src/lib.rs

@@ -0,0 +1,99 @@
+use wasm_bindgen::prelude::*;
+use web_sys::{window, HtmlElement, MouseEvent};
+
+#[wasm_bindgen(start)]
+fn main() -> Result<(), JsValue> {
+    let document = window().unwrap().document().unwrap();
+    let body = document.body().unwrap();
+
+    let cursor = document.create_element("div")?.dyn_into::<HtmlElement>()?;
+    cursor.set_class_name("cursor");
+    cursor.style().set_property("visibility", "hidden")?;
+
+    body.append_child(&cursor)?;
+
+    let mut first_move = true;
+
+    let cursor_clone = cursor.clone();
+    let event_handler =
+        Closure::wrap(
+            Box::new(move |event: MouseEvent| match event.type_().as_str() {
+                "mousemove" => {
+                    if first_move {
+                        cursor_clone
+                            .style()
+                            .set_property("visibility", "visible")
+                            .unwrap();
+                        first_move = false;
+                    }
+
+                    set_cursor_position(&cursor_clone, event.client_x(), event.client_y())
+                }
+                "mousedown" => set_cursor_size(&cursor_clone, 18),
+                "mouseup" => set_cursor_size(&cursor_clone, 12),
+                "mouseout" => cursor_clone
+                    .style()
+                    .set_property("visibility", "hidden")
+                    .unwrap(),
+                "mouseover" => cursor_clone
+                    .style()
+                    .set_property("visibility", "visible")
+                    .unwrap(),
+                _ => unreachable!(),
+            }) as Box<dyn FnMut(_)>,
+        );
+
+    for event in ["mousemove", "mousedown", "mouseup", "mouseout", "mouseover"] {
+        document.add_event_listener_with_callback(event, event_handler.as_ref().unchecked_ref())?;
+    }
+
+    event_handler.forget();
+
+    let elements = document.query_selector_all("a")?;
+    for i in 0..elements.length() {
+        let element = elements.get(i).unwrap();
+
+        let cursor_clone = cursor.clone();
+        let event_handler =
+            Closure::wrap(
+                Box::new(move |event: MouseEvent| match event.type_().as_str() {
+                    "mouseenter" => set_cursor_size(&cursor_clone, 24),
+                    "mouseleave" => set_cursor_size(&cursor_clone, 12),
+                    "mousedown" => set_cursor_size(&cursor_clone, 18),
+                    "mouseup" => set_cursor_size(&cursor_clone, 24),
+                    _ => unreachable!(),
+                }) as Box<dyn FnMut(_)>,
+            );
+
+        for event in ["mouseenter", "mouseleave", "mousedown", "mouseup"] {
+            element
+                .add_event_listener_with_callback(event, event_handler.as_ref().unchecked_ref())?;
+        }
+
+        event_handler.forget();
+    }
+
+    Ok(())
+}
+
+fn set_cursor_position(cursor: &HtmlElement, x: i32, y: i32) {
+    cursor
+        .style()
+        .set_property("left", &format!("{}px", x))
+        .unwrap();
+    cursor
+        .style()
+        .set_property("top", &format!("{}px", y))
+        .unwrap();
+}
+
+fn set_cursor_size(cursor: &HtmlElement, size: i32) {
+    cursor
+        .style()
+        .set_property("width", &format!("{}px", size))
+        .unwrap();
+    cursor
+        .style()
+        .set_property("height", &format!("{}px", size))
+        .unwrap();
+}