example.js
import { get, set, getNumber } from "./magic.js";
// accessing memory
console.log(get());
set(42);
console.log(get());
set(123);
console.log(get());
// random numbers
console.log(getNumber());
console.log(getNumber());
console.log(getNumber());
magic.js
// reexporting
export * from "./magic.wat";
magic.wat
(module
(type $t0 (func (result i32)))
(type $t1 (func (param i32)))
(import "./memory.js" "memory" (memory 1))
(import "./magic-number.js" "getRandomNumber" (func $getRandomNumber (type $t0)))
(func $get (export "get") (type $t0) (result i32)
(i32.load
(i32.const 0)))
(func $set (export "set") (type $t1) (param $p i32)
(i32.store
(i32.const 0)
(get_local $p)))
(func $get (export "getNumber") (type $t0) (result i32)
(call $getRandomNumber))
)
magic-number.js
export function getNumber() {
return 42;
}
export function getRandomNumber() {
return Math.floor(Math.random() * 256);
}
memory.js
async function getMemoryFromParentInWorker() {
await new Promise(r => setTimeout(r, 200));
// fake
return new WebAssembly.Memory({ initial: 1 });
}
export const memory = await getMemoryFromParentInWorker();
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_require__.r(__webpack_exports__);
/* harmony import */ var _magic_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./magic.js */ 1);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_magic_js__WEBPACK_IMPORTED_MODULE_0__]);
_magic_js__WEBPACK_IMPORTED_MODULE_0__ = (__webpack_async_dependencies__.then ? await __webpack_async_dependencies__ : __webpack_async_dependencies__)[0];
// accessing memory
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
(0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.set)(42);
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
(0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.set)(123);
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
// random numbers
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
});
/***/ }),
/* 1 */
/*!******************!*\
!*** ./magic.js ***!
\******************/
/*! namespace exports */
/*! export get [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .get */
/*! export getNumber [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .getNumber */
/*! export set [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .set */
/*! 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_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "get": () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.get),
/* harmony export */ "getNumber": () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.getNumber),
/* harmony export */ "set": () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.set)
/* harmony export */ });
/* harmony import */ var _magic_wat__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./magic.wat */ 2);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_magic_wat__WEBPACK_IMPORTED_MODULE_0__]);
_magic_wat__WEBPACK_IMPORTED_MODULE_0__ = (__webpack_async_dependencies__.then ? await __webpack_async_dependencies__ : __webpack_async_dependencies__)[0];
// reexporting
});
/***/ }),
/* 2 */
/*!*******************!*\
!*** ./magic.wat ***!
\*******************/
/*! namespace exports */
/*! export get [provided] [no usage info] [provision prevents renaming (no use info)] */
/*! export getNumber [provided] [no usage info] [provision prevents renaming (no use info)] */
/*! export set [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__, __webpack_require__.a, __webpack_require__.* */
/***/ ((module, exports, __webpack_require__) => {
var __webpack_instantiate__ = ([WEBPACK_IMPORTED_MODULE_0]) => {
return __webpack_require__.v(exports, module.id, "daa529a2a650ee3943a9", {
"./memory.js": {
"memory": WEBPACK_IMPORTED_MODULE_0.memory
},
"./magic-number.js": {
"getRandomNumber": WEBPACK_IMPORTED_MODULE_1.getRandomNumber
}
});
}
__webpack_require__.a(module, (__webpack_handle_async_dependencies__) => {
/* harmony import */ var WEBPACK_IMPORTED_MODULE_0 = __webpack_require__(/*! ./memory.js */ 3);
/* harmony import */ var WEBPACK_IMPORTED_MODULE_1 = __webpack_require__(/*! ./magic-number.js */ 4);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([WEBPACK_IMPORTED_MODULE_0]);
return __webpack_async_dependencies__.then ? __webpack_async_dependencies__.then(__webpack_instantiate__) : __webpack_instantiate__(__webpack_async_dependencies__);
}, 1);
/***/ }),
/* 3 */
/*!*******************!*\
!*** ./memory.js ***!
\*******************/
/*! namespace exports */
/*! export memory [provided] [no usage info] [missing usage info prevents renaming] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__.r, __webpack_exports__, module, __webpack_require__.a, __webpack_require__.d, __webpack_require__.* */
/***/ ((module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.a(module, async (__webpack_handle_async_dependencies__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "memory": () => (/* binding */ memory)
/* harmony export */ });
async function getMemoryFromParentInWorker() {
await new Promise(r => setTimeout(r, 200));
// fake
return new WebAssembly.Memory({ initial: 1 });
}
const memory = await getMemoryFromParentInWorker();
__webpack_handle_async_dependencies__();
}, 1);
/***/ }),
/* 4 */
/*!*************************!*\
!*** ./magic-number.js ***!
\*************************/
/*! namespace exports */
/*! export getNumber [provided] [no usage info] [missing usage info prevents renaming] */
/*! export getRandomNumber [provided] [no usage info] [missing usage info prevents renaming] */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: __webpack_require__.r, __webpack_exports__, __webpack_require__.d, __webpack_require__.* */
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */ "getNumber": () => (/* binding */ getNumber),
/* harmony export */ "getRandomNumber": () => (/* binding */ getRandomNumber)
/* harmony export */ });
function getNumber() {
return 42;
}
function getRandomNumber() {
return Math.floor(Math.random() * 256);
}
/***/ })
/******/ ]);
/* 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 webpackThen = typeof Symbol === "function" ? Symbol("webpack then") : "__webpack_then__";
/******/ var webpackExports = typeof Symbol === "function" ? Symbol("webpack exports") : "__webpack_exports__";
/******/ var completeQueue = (queue) => {
/******/ if(queue) {
/******/ queue.forEach((fn) => (fn.r--));
/******/ queue.forEach((fn) => (fn.r-- ? fn.r++ : fn()));
/******/ }
/******/ }
/******/ var completeFunction = (fn) => (!--fn.r && fn());
/******/ var queueFunction = (queue, fn) => (queue ? queue.push(fn) : completeFunction(fn));
/******/ var wrapDeps = (deps) => (deps.map((dep) => {
/******/ if(dep !== null && typeof dep === "object") {
/******/ if(dep[webpackThen]) return dep;
/******/ if(dep.then) {
/******/ var queue = [];
/******/ dep.then((r) => {
/******/ obj[webpackExports] = r;
/******/ completeQueue(queue);
/******/ queue = 0;
/******/ });
/******/ var obj = {};
/******/ obj[webpackThen] = (fn, reject) => (queueFunction(queue, fn), dep.catch(reject));
/******/ return obj;
/******/ }
/******/ }
/******/ var ret = {};
/******/ ret[webpackThen] = (fn) => (completeFunction(fn));
/******/ ret[webpackExports] = dep;
/******/ return ret;
/******/ }));
/******/ __webpack_require__.a = (module, body, hasAwait) => {
/******/ var queue = hasAwait && [];
/******/ var exports = module.exports;
/******/ var currentDeps;
/******/ var outerResolve;
/******/ var reject;
/******/ var isEvaluating = true;
/******/ var nested = false;
/******/ var whenAll = (deps, onResolve, onReject) => {
/******/ if (nested) return;
/******/ nested = true;
/******/ onResolve.r += deps.length;
/******/ deps.map((dep, i) => (dep[webpackThen](onResolve, onReject)));
/******/ nested = false;
/******/ };
/******/ var promise = new Promise((resolve, rej) => {
/******/ reject = rej;
/******/ outerResolve = () => (resolve(exports), completeQueue(queue), queue = 0);
/******/ });
/******/ promise[webpackExports] = exports;
/******/ promise[webpackThen] = (fn, rejectFn) => {
/******/ if (isEvaluating) { return completeFunction(fn); }
/******/ if (currentDeps) whenAll(currentDeps, fn, rejectFn);
/******/ queueFunction(queue, fn);
/******/ promise.catch(rejectFn);
/******/ };
/******/ module.exports = promise;
/******/ body((deps) => {
/******/ if(!deps) return outerResolve();
/******/ currentDeps = wrapDeps(deps);
/******/ var fn, result;
/******/ var promise = new Promise((resolve, reject) => {
/******/ fn = () => (resolve(result = currentDeps.map((d) => (d[webpackExports]))));
/******/ fn.r = 0;
/******/ whenAll(currentDeps, fn, reject);
/******/ });
/******/ return fn.r ? promise : result;
/******/ }).then(outerResolve, reject);
/******/ isEvaluating = false;
/******/ };
/******/ })();
/******/
/******/ /* 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 + ".module.wasm");
/******/ if (typeof WebAssembly.instantiateStreaming === 'function') {
/******/ return WebAssembly.instantiateStreaming(req, importsObj)
/******/ .then((res) => (Object.assign(exports, res.instance.exports)));
/******/ }
/******/ return req
/******/ .then((x) => (x.arrayBuffer()))
/******/ .then((bytes) => (WebAssembly.instantiate(bytes, importsObj)))
/******/ .then((res) => (Object.assign(exports, res.instance.exports)));
/******/ };
/******/ })();
/******/
/******/ /* 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 12.8 KiB [emitted] (name: main)
asset daa529a2a650ee3943a9.module.wasm 139 bytes [emitted] [immutable] (auxiliary name: main)
chunk (runtime: main) output.js (main) 696 bytes (javascript) 139 bytes (webassembly) 3.36 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.36 KiB 6 modules
dependent modules 449 bytes (javascript) 139 bytes (webassembly) [dependent] 4 modules
./example.js 247 bytes [built] [code generated]
[no exports]
[used exports unknown]
entry ./example.js main
webpack 5.51.1 compiled successfully
Production mode
asset output.js 2.34 KiB [emitted] [minimized] (name: main)
asset 05aa07f6a3836ded50d1.module.wasm 139 bytes [emitted] [immutable] (auxiliary name: main)
chunk (runtime: main) output.js (main) 696 bytes (javascript) 139 bytes (webassembly) 3.09 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.09 KiB 5 modules
dependent modules 449 bytes (javascript) 139 bytes (webassembly) [dependent] 4 modules
./example.js 247 bytes [built] [code generated]
[no exports]
[no exports used]
entry ./example.js main
webpack 5.51.1 compiled successfully
d28592e9da