d2d8053446 | ||
---|---|---|
.. | ||
README.md | ||
add.wasm | ||
build.js | ||
example.js | ||
factorial.wasm | ||
fibonacci.wasm | ||
index.html | ||
math.js | ||
template.md | ||
test.filter.js | ||
webpack.config.js |
README.md
This is a simple example that shows the usage of WebAssembly.
WebAssembly modules can be imported like other async modules with import
or import()
.
When importing, they are downloaded and instantiated in a streaming way.
example.js
import { add } from "./add.wasm";
import {
add as mathAdd,
factorial,
factorialJavascript,
fibonacci,
fibonacciJavascript
} from "./math";
console.log(add(22, 2200));
console.log(mathAdd(10, 101));
console.log(factorial(15));
console.log(factorialJavascript(15));
console.log(fibonacci(15));
console.log(fibonacciJavascript(15));
timed("wasm factorial", () => factorial(1500));
timed("js factorial", () => factorialJavascript(1500));
timed("wasm fibonacci", () => fibonacci(22));
timed("js fibonacci", () => fibonacciJavascript(22));
function timed(name, fn) {
if (!console.time || !console.timeEnd) return fn();
// warmup
for (var i = 0; i < 10; i++) fn();
console.time(name);
for (var i = 0; i < 5000; i++) fn();
console.timeEnd(name);
}
math.js
import { add } from "./add.wasm";
import { factorial } from "./factorial.wasm";
import { fibonacci } from "./fibonacci.wasm";
export { add, factorial, fibonacci };
export function factorialJavascript(i) {
if (i < 1) return 1;
return i * factorialJavascript(i - 1);
}
export function fibonacciJavascript(i) {
if (i < 2) return 1;
return fibonacciJavascript(i - 1) + fibonacciJavascript(i - 2);
}
dist/output.js
/******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ([
/* 0 */
/*!********************!*\
!*** ./example.js ***!
\********************/
/*! namespace exports */
/*! exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__, __webpack_require__.r, __webpack_exports__, module, __webpack_require__.a, __webpack_require__.* */
/***/ ((module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _add_wasm__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./add.wasm */ 1);
/* harmony import */ var _math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./math */ 2);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_add_wasm__WEBPACK_IMPORTED_MODULE_0__, _math__WEBPACK_IMPORTED_MODULE_1__]);
([_add_wasm__WEBPACK_IMPORTED_MODULE_0__, _math__WEBPACK_IMPORTED_MODULE_1__] = __webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__);
console.log((0,_add_wasm__WEBPACK_IMPORTED_MODULE_0__.add)(22, 2200));
console.log((0,_math__WEBPACK_IMPORTED_MODULE_1__.add)(10, 101));
console.log((0,_math__WEBPACK_IMPORTED_MODULE_1__.factorial)(15));
console.log((0,_math__WEBPACK_IMPORTED_MODULE_1__.factorialJavascript)(15));
console.log((0,_math__WEBPACK_IMPORTED_MODULE_1__.fibonacci)(15));
console.log((0,_math__WEBPACK_IMPORTED_MODULE_1__.fibonacciJavascript)(15));
timed("wasm factorial", () => (0,_math__WEBPACK_IMPORTED_MODULE_1__.factorial)(1500));
timed("js factorial", () => (0,_math__WEBPACK_IMPORTED_MODULE_1__.factorialJavascript)(1500));
timed("wasm fibonacci", () => (0,_math__WEBPACK_IMPORTED_MODULE_1__.fibonacci)(22));
timed("js fibonacci", () => (0,_math__WEBPACK_IMPORTED_MODULE_1__.fibonacciJavascript)(22));
function timed(name, fn) {
if (!console.time || !console.timeEnd) return fn();
// warmup
for (var i = 0; i < 10; i++) fn();
console.time(name);
for (var i = 0; i < 5000; i++) fn();
console.timeEnd(name);
}
__webpack_async_result__();
} catch(e) { __webpack_async_result__(e); } });
/***/ }),
/* 1 */
/*!******************!*\
!*** ./add.wasm ***!
\******************/
/*! namespace exports */
/*! export add [provided] [no usage info] [provision prevents renaming (no use info)] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: module, module.id, __webpack_exports__, __webpack_require__.v, __webpack_require__.* */
/***/ ((module, exports, __webpack_require__) => {
module.exports = __webpack_require__.v(exports, module.id, "0eaeab8b9fa3cef100d1");
/***/ }),
/* 2 */
/*!*****************!*\
!*** ./math.js ***!
\*****************/
/*! namespace exports */
/*! export add [provided] [no usage info] [missing usage info prevents renaming] -> ./add.wasm .add */
/*! export factorial [provided] [no usage info] [missing usage info prevents renaming] -> ./factorial.wasm .factorial */
/*! export factorialJavascript [provided] [no usage info] [missing usage info prevents renaming] */
/*! export fibonacci [provided] [no usage info] [missing usage info prevents renaming] -> ./fibonacci.wasm .fibonacci */
/*! export fibonacciJavascript [provided] [no usage info] [missing usage info prevents renaming] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__, __webpack_exports__, __webpack_require__.d, __webpack_require__.r, module, __webpack_require__.a, __webpack_require__.* */
/***/ ((module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ add: () => (/* reexport safe */ _add_wasm__WEBPACK_IMPORTED_MODULE_0__.add),
/* harmony export */ factorial: () => (/* reexport safe */ _factorial_wasm__WEBPACK_IMPORTED_MODULE_1__.factorial),
/* harmony export */ factorialJavascript: () => (/* binding */ factorialJavascript),
/* harmony export */ fibonacci: () => (/* reexport safe */ _fibonacci_wasm__WEBPACK_IMPORTED_MODULE_2__.fibonacci),
/* harmony export */ fibonacciJavascript: () => (/* binding */ fibonacciJavascript)
/* harmony export */ });
/* harmony import */ var _add_wasm__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./add.wasm */ 1);
/* harmony import */ var _factorial_wasm__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./factorial.wasm */ 3);
/* harmony import */ var _fibonacci_wasm__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./fibonacci.wasm */ 4);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_add_wasm__WEBPACK_IMPORTED_MODULE_0__, _factorial_wasm__WEBPACK_IMPORTED_MODULE_1__, _fibonacci_wasm__WEBPACK_IMPORTED_MODULE_2__]);
([_add_wasm__WEBPACK_IMPORTED_MODULE_0__, _factorial_wasm__WEBPACK_IMPORTED_MODULE_1__, _fibonacci_wasm__WEBPACK_IMPORTED_MODULE_2__] = __webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__);
function factorialJavascript(i) {
if (i < 1) return 1;
return i * factorialJavascript(i - 1);
}
function fibonacciJavascript(i) {
if (i < 2) return 1;
return fibonacciJavascript(i - 1) + fibonacciJavascript(i - 2);
}
__webpack_async_result__();
} catch(e) { __webpack_async_result__(e); } });
/***/ }),
/* 3 */
/*!************************!*\
!*** ./factorial.wasm ***!
\************************/
/*! namespace exports */
/*! export factorial [provided] [no usage info] [provision prevents renaming (no use info)] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: module, module.id, __webpack_exports__, __webpack_require__.v, __webpack_require__.* */
/***/ ((module, exports, __webpack_require__) => {
module.exports = __webpack_require__.v(exports, module.id, "35a58b7c95860d720a3c");
/***/ }),
/* 4 */
/*!************************!*\
!*** ./fibonacci.wasm ***!
\************************/
/*! namespace exports */
/*! export fibonacci [provided] [no usage info] [provision prevents renaming (no use info)] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: module, module.id, __webpack_exports__, __webpack_require__.v, __webpack_require__.* */
/***/ ((module, exports, __webpack_require__) => {
module.exports = __webpack_require__.v(exports, module.id, "5a6637e8d63cdf9c72da");
/***/ })
/******/ ]);
/* webpack runtime code */
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ id: moduleId,
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
/******/ /* webpack/runtime/async module */
/******/ (() => {
/******/ var webpackQueues = typeof Symbol === "function" ? Symbol("webpack queues") : "__webpack_queues__";
/******/ var webpackExports = typeof Symbol === "function" ? Symbol("webpack exports") : "__webpack_exports__";
/******/ var webpackError = typeof Symbol === "function" ? Symbol("webpack error") : "__webpack_error__";
/******/ var resolveQueue = (queue) => {
/******/ if(queue && queue.d < 1) {
/******/ queue.d = 1;
/******/ queue.forEach((fn) => (fn.r--));
/******/ queue.forEach((fn) => (fn.r-- ? fn.r++ : fn()));
/******/ }
/******/ }
/******/ var wrapDeps = (deps) => (deps.map((dep) => {
/******/ if(dep !== null && typeof dep === "object") {
/******/ if(dep[webpackQueues]) return dep;
/******/ if(dep.then) {
/******/ var queue = [];
/******/ queue.d = 0;
/******/ dep.then((r) => {
/******/ obj[webpackExports] = r;
/******/ resolveQueue(queue);
/******/ }, (e) => {
/******/ obj[webpackError] = e;
/******/ resolveQueue(queue);
/******/ });
/******/ var obj = {};
/******/ obj[webpackQueues] = (fn) => (fn(queue));
/******/ return obj;
/******/ }
/******/ }
/******/ var ret = {};
/******/ ret[webpackQueues] = x => {};
/******/ ret[webpackExports] = dep;
/******/ return ret;
/******/ }));
/******/ __webpack_require__.a = (module, body, hasAwait) => {
/******/ var queue;
/******/ hasAwait && ((queue = []).d = -1);
/******/ var depQueues = new Set();
/******/ var exports = module.exports;
/******/ var currentDeps;
/******/ var outerResolve;
/******/ var reject;
/******/ var promise = new Promise((resolve, rej) => {
/******/ reject = rej;
/******/ outerResolve = resolve;
/******/ });
/******/ promise[webpackExports] = exports;
/******/ promise[webpackQueues] = (fn) => (queue && fn(queue), depQueues.forEach(fn), promise["catch"](x => {}));
/******/ module.exports = promise;
/******/ body((deps) => {
/******/ currentDeps = wrapDeps(deps);
/******/ var fn;
/******/ var getResult = () => (currentDeps.map((d) => {
/******/ if(d[webpackError]) throw d[webpackError];
/******/ return d[webpackExports];
/******/ }))
/******/ var promise = new Promise((resolve) => {
/******/ fn = () => (resolve(getResult));
/******/ fn.r = 0;
/******/ var fnQueue = (q) => (q !== queue && !depQueues.has(q) && (depQueues.add(q), q && !q.d && (fn.r++, q.push(fn))));
/******/ currentDeps.map((dep) => (dep[webpackQueues](fnQueue)));
/******/ });
/******/ return fn.r ? promise : getResult();
/******/ }, (err) => ((err ? reject(promise[webpackError] = err) : outerResolve(exports)), resolveQueue(queue)));
/******/ queue && queue.d < 0 && (queue.d = 0);
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/******/ /* webpack/runtime/make namespace object */
/******/ (() => {
/******/ // define __esModule on exports
/******/ __webpack_require__.r = (exports) => {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/wasm loading */
/******/ (() => {
/******/ __webpack_require__.v = (exports, wasmModuleId, wasmModuleHash, importsObj) => {
/******/ var req = fetch(__webpack_require__.p + "" + wasmModuleHash + ".wasm");
/******/ var fallback = () => (req
/******/ .then((x) => (x.arrayBuffer()))
/******/ .then((bytes) => (WebAssembly.instantiate(bytes, importsObj)))
/******/ .then((res) => (Object.assign(exports, res.instance.exports))));
/******/ return req.then((res) => {
/******/ if (typeof WebAssembly.instantiateStreaming === "function") {
/******/ return WebAssembly.instantiateStreaming(res, importsObj)
/******/ .then(
/******/ (res) => (Object.assign(exports, res.instance.exports)),
/******/ (e) => {
/******/ if(res.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);
/******/ return fallback();
/******/ }
/******/ throw e;
/******/ }
/******/ );
/******/ }
/******/ return fallback();
/******/ });
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/publicPath */
/******/ (() => {
/******/ __webpack_require__.p = "dist/";
/******/ })();
/******/
/************************************************************************/
/******/
/******/ // startup
/******/ // Load entry module and return exports
/******/ // This entry module used 'module' so it can't be inlined
/******/ var __webpack_exports__ = __webpack_require__(0);
/******/
/******/ })()
;
Info
Unoptimized
asset output.js 13.2 KiB [emitted] (name: main)
asset 5a6637e8d63cdf9c72da.wasm 67 bytes [emitted] [immutable] (auxiliary name: main)
asset 35a58b7c95860d720a3c.wasm 62 bytes [emitted] [immutable] (auxiliary name: main)
asset 0eaeab8b9fa3cef100d1.wasm 41 bytes [emitted] [immutable] (auxiliary name: main)
chunk (runtime: main) output.js (main) 1.27 KiB (javascript) 170 bytes (webassembly) 3.68 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.68 KiB 6 modules
dependent modules 552 bytes (javascript) 170 bytes (webassembly) [dependent] 4 modules
./example.js 753 bytes [built] [code generated]
[no exports]
[used exports unknown]
entry ./example.js main
webpack 5.90.0 compiled successfully
Production mode
asset output.js 2.89 KiB [emitted] [minimized] (name: main)
asset 67aca7a09456080b5120.wasm 67 bytes [emitted] [immutable] (auxiliary name: main)
asset 36825f9224dde8d88de0.wasm 62 bytes [emitted] [immutable] (auxiliary name: main)
asset 10cff76bc58b7aa8f9cb.wasm 41 bytes [emitted] [immutable] (auxiliary name: main)
chunk (runtime: main) output.js (main) 1.27 KiB (javascript) 170 bytes (webassembly) 3.42 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.42 KiB 5 modules
dependent modules 552 bytes (javascript) 170 bytes (webassembly) [dependent] 4 modules
./example.js 753 bytes [built] [code generated]
[no exports]
[no exports used]
entry ./example.js main
webpack 5.90.0 compiled successfully