mirror of https://github.com/webpack/webpack.git
453 lines
17 KiB
Markdown
453 lines
17 KiB
Markdown
# example.js
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```javascript
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import { get, set, getNumber } from "./magic.js";
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// accessing memory
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console.log(get());
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set(42);
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console.log(get());
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set(123);
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console.log(get());
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// random numbers
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console.log(getNumber());
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console.log(getNumber());
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console.log(getNumber());
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```
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# magic.js
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```javascript
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// reexporting
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export * from "./magic.wat";
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```
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# magic.wat
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```wat
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(module
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(type $t0 (func (result i32)))
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(type $t1 (func (param i32)))
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(import "./memory.js" "memory" (memory 1))
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(import "./magic-number.js" "getRandomNumber" (func $getRandomNumber (type $t0)))
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(func $get (export "get") (type $t0) (result i32)
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(i32.load
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(i32.const 0)))
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(func $set (export "set") (type $t1) (param $p i32)
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(i32.store
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(i32.const 0)
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(get_local $p)))
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(func $get (export "getNumber") (type $t0) (result i32)
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(call $getRandomNumber))
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)
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```
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# magic-number.js
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```javascript
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export function getNumber() {
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return 42;
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}
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export function getRandomNumber() {
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return Math.floor(Math.random() * 256);
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}
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```
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# memory.js
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```javascript
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async function getMemoryFromParentInWorker() {
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await new Promise(r => setTimeout(r, 200));
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// fake
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return new WebAssembly.Memory({ initial: 1 });
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}
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export const memory = await getMemoryFromParentInWorker();
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```
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# dist/output.js
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```javascript
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/******/ (() => { // webpackBootstrap
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/******/ "use strict";
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/******/ var __webpack_modules__ = ([
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/* 0 */
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/*!********************!*\
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!*** ./example.js ***!
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\********************/
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/*! namespace exports */
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/*! exports [not provided] [no usage info] */
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/*! runtime requirements: __webpack_require__, __webpack_require__.r, __webpack_exports__, module, __webpack_require__.a, __webpack_require__.* */
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/***/ ((module, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
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__webpack_require__.r(__webpack_exports__);
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/* harmony import */ var _magic_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./magic.js */ 1);
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var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_magic_js__WEBPACK_IMPORTED_MODULE_0__]);
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var __webpack_async_dependencies_result__ = (__webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__);
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_magic_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_async_dependencies_result__[0];
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// accessing memory
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
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(0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.set)(42);
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
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(0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.set)(123);
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.get)());
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// random numbers
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
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console.log((0,_magic_js__WEBPACK_IMPORTED_MODULE_0__.getNumber)());
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__webpack_async_result__();
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} catch(e) { __webpack_async_result__(e); } });
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/***/ }),
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/* 1 */
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/*!******************!*\
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!*** ./magic.js ***!
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\******************/
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/*! namespace exports */
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/*! export get [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .get */
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/*! export getNumber [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .getNumber */
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/*! export set [provided] [no usage info] [missing usage info prevents renaming] -> ./magic.wat .set */
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/*! other exports [not provided] [no usage info] */
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/*! runtime requirements: __webpack_require__, __webpack_exports__, __webpack_require__.d, __webpack_require__.r, module, __webpack_require__.a, __webpack_require__.* */
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/***/ ((module, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ get: () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.get),
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/* harmony export */ getNumber: () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.getNumber),
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/* harmony export */ set: () => (/* reexport safe */ _magic_wat__WEBPACK_IMPORTED_MODULE_0__.set)
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/* harmony export */ });
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/* harmony import */ var _magic_wat__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./magic.wat */ 2);
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var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([_magic_wat__WEBPACK_IMPORTED_MODULE_0__]);
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var __webpack_async_dependencies_result__ = (__webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__);
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_magic_wat__WEBPACK_IMPORTED_MODULE_0__ = __webpack_async_dependencies_result__[0];
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// reexporting
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__webpack_async_result__();
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} catch(e) { __webpack_async_result__(e); } });
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/***/ }),
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/* 2 */
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/*!*******************!*\
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!*** ./magic.wat ***!
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\*******************/
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/*! namespace exports */
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/*! export get [provided] [no usage info] [provision prevents renaming (no use info)] */
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/*! export getNumber [provided] [no usage info] [provision prevents renaming (no use info)] */
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/*! export set [provided] [no usage info] [provision prevents renaming (no use info)] */
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/*! other exports [not provided] [no usage info] */
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/*! runtime requirements: module, module.id, __webpack_exports__, __webpack_require__.v, __webpack_require__, __webpack_require__.a, __webpack_require__.* */
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/***/ ((module, exports, __webpack_require__) => {
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var __webpack_instantiate__ = ([WEBPACK_IMPORTED_MODULE_0]) => {
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return __webpack_require__.v(exports, module.id, "daa529a2a650ee3943a9", {
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"./memory.js": {
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"memory": WEBPACK_IMPORTED_MODULE_0.memory
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},
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"./magic-number.js": {
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"getRandomNumber": WEBPACK_IMPORTED_MODULE_1.getRandomNumber
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}
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});
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}
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__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => {
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try {
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/* harmony import */ var WEBPACK_IMPORTED_MODULE_0 = __webpack_require__(/*! ./memory.js */ 3);
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/* harmony import */ var WEBPACK_IMPORTED_MODULE_1 = __webpack_require__(/*! ./magic-number.js */ 4);
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var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([WEBPACK_IMPORTED_MODULE_0]);
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var [WEBPACK_IMPORTED_MODULE_0] = __webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__;
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await __webpack_require__.v(exports, module.id, "daa529a2a650ee3943a9", {
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"./memory.js": {
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"memory": WEBPACK_IMPORTED_MODULE_0.memory
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},
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"./magic-number.js": {
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"getRandomNumber": WEBPACK_IMPORTED_MODULE_1.getRandomNumber
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}
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});
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__webpack_async_result__();
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} catch(e) { __webpack_async_result__(e); }
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}, 1);
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/***/ }),
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/* 3 */
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/*!*******************!*\
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!*** ./memory.js ***!
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\*******************/
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/*! namespace exports */
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/*! export memory [provided] [no usage info] [missing usage info prevents renaming] */
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/*! other exports [not provided] [no usage info] */
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/*! runtime requirements: __webpack_require__.r, __webpack_exports__, module, __webpack_require__.a, __webpack_require__.d, __webpack_require__.* */
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/***/ ((module, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.a(module, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ memory: () => (/* binding */ memory)
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/* harmony export */ });
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async function getMemoryFromParentInWorker() {
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await new Promise(r => setTimeout(r, 200));
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// fake
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return new WebAssembly.Memory({ initial: 1 });
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}
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const memory = await getMemoryFromParentInWorker();
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__webpack_async_result__();
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} catch(e) { __webpack_async_result__(e); } }, 1);
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/***/ }),
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/* 4 */
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/*!*************************!*\
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!*** ./magic-number.js ***!
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\*************************/
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/*! namespace exports */
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/*! export getNumber [provided] [no usage info] [missing usage info prevents renaming] */
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/*! export getRandomNumber [provided] [no usage info] [missing usage info prevents renaming] */
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/*! other exports [not provided] [no usage info] */
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/*! runtime requirements: __webpack_require__.r, __webpack_exports__, __webpack_require__.d, __webpack_require__.* */
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/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {
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__webpack_require__.r(__webpack_exports__);
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/* harmony export */ __webpack_require__.d(__webpack_exports__, {
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/* harmony export */ getNumber: () => (/* binding */ getNumber),
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/* harmony export */ getRandomNumber: () => (/* binding */ getRandomNumber)
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/* harmony export */ });
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function getNumber() {
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return 42;
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}
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function getRandomNumber() {
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return Math.floor(Math.random() * 256);
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}
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/***/ })
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/******/ ]);
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```
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<details><summary><code>/* webpack runtime code */</code></summary>
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``` js
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/************************************************************************/
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/******/ // The module cache
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/******/ var __webpack_module_cache__ = {};
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/******/
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/ // Check if module is in cache
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/******/ var cachedModule = __webpack_module_cache__[moduleId];
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/******/ if (cachedModule !== undefined) {
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/******/ return cachedModule.exports;
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/******/ }
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = __webpack_module_cache__[moduleId] = {
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/******/ id: moduleId,
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/******/ // no module.loaded needed
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/******/ exports: {}
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/******/ };
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/******/
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/******/ // Execute the module function
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/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
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/******/
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/
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/************************************************************************/
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/******/ /* webpack/runtime/async module */
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/******/ (() => {
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/******/ var hasSymbol = typeof Symbol === "function";
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/******/ var webpackQueues = hasSymbol ? Symbol("webpack queues") : "__webpack_queues__";
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/******/ var webpackExports = hasSymbol ? Symbol("webpack exports") : "__webpack_exports__";
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/******/ var webpackError = hasSymbol ? Symbol("webpack error") : "__webpack_error__";
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/******/
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/******/
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/******/ var resolveQueue = (queue) => {
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/******/ if(queue && queue.d < 1) {
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/******/ queue.d = 1;
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/******/ queue.forEach((fn) => (fn.r--));
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/******/ queue.forEach((fn) => (fn.r-- ? fn.r++ : fn()));
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/******/ }
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/******/ }
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/******/ var wrapDeps = (deps) => (deps.map((dep) => {
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/******/ if(dep !== null && typeof dep === "object") {
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/******/
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/******/ if(dep[webpackQueues]) return dep;
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/******/ if(dep.then) {
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/******/ var queue = [];
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/******/ queue.d = 0;
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/******/ dep.then((r) => {
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/******/ obj[webpackExports] = r;
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/******/ resolveQueue(queue);
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/******/ }, (e) => {
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/******/ obj[webpackError] = e;
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/******/ resolveQueue(queue);
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/******/ });
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/******/ var obj = {};
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/******/
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/******/ obj[webpackQueues] = (fn) => (fn(queue));
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/******/ return obj;
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/******/ }
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/******/ }
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/******/ var ret = {};
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/******/ ret[webpackQueues] = x => {};
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/******/ ret[webpackExports] = dep;
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/******/ return ret;
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/******/ }));
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/******/ __webpack_require__.a = (module, body, hasAwait) => {
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/******/ var queue;
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/******/ hasAwait && ((queue = []).d = -1);
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/******/ var depQueues = new Set();
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/******/ var exports = module.exports;
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/******/ var currentDeps;
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/******/ var outerResolve;
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/******/ var reject;
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/******/ var promise = new Promise((resolve, rej) => {
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/******/ reject = rej;
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/******/ outerResolve = resolve;
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/******/ });
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/******/ promise[webpackExports] = exports;
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/******/ promise[webpackQueues] = (fn) => (queue && fn(queue), depQueues.forEach(fn), promise["catch"](x => {}));
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/******/ module.exports = promise;
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/******/ var handle = (deps) => {
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/******/ currentDeps = wrapDeps(deps);
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/******/ var fn;
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/******/ var getResult = () => (currentDeps.map((d) => {
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/******/
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/******/ if(d[webpackError]) throw d[webpackError];
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/******/ return d[webpackExports];
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/******/ }))
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/******/ var promise = new Promise((resolve) => {
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/******/ fn = () => (resolve(getResult));
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/******/ fn.r = 0;
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/******/ var fnQueue = (q) => (q !== queue && !depQueues.has(q) && (depQueues.add(q), q && !q.d && (fn.r++, q.push(fn))));
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/******/ currentDeps.map((dep) => (dep[webpackQueues](fnQueue)));
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/******/ });
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/******/ return fn.r ? promise : getResult();
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/******/ }
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/******/ var done = (err) => ((err ? reject(promise[webpackError] = err) : outerResolve(exports)), resolveQueue(queue))
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/******/ body(handle, done);
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/******/ queue && queue.d < 0 && (queue.d = 0);
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/******/ };
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/******/ })();
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/******/
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/******/ /* webpack/runtime/define property getters */
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/******/ (() => {
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/******/ // define getter functions for harmony exports
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/******/ __webpack_require__.d = (exports, definition) => {
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/******/ for(var key in definition) {
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/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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/******/ }
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/******/ }
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/******/ };
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/******/ })();
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/******/
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/******/ /* webpack/runtime/hasOwnProperty shorthand */
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/******/ (() => {
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/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
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/******/ })();
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/******/
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/******/ /* webpack/runtime/make namespace object */
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/******/ (() => {
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/******/ // define __esModule on exports
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/******/ __webpack_require__.r = (exports) => {
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/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
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/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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/******/ }
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/******/ Object.defineProperty(exports, '__esModule', { value: true });
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/******/ };
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/******/ })();
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/******/
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/******/ /* webpack/runtime/wasm loading */
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/******/ (() => {
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/******/ __webpack_require__.v = (exports, wasmModuleId, wasmModuleHash, importsObj) => {
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/******/
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/******/ var req = fetch(__webpack_require__.p + "" + wasmModuleHash + ".module.wasm");
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/******/ var fallback = () => (req
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/******/ .then((x) => (x.arrayBuffer()))
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/******/ .then((bytes) => (WebAssembly.instantiate(bytes, importsObj)))
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/******/ .then((res) => (Object.assign(exports, res.instance.exports))));
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/******/ return req.then((res) => {
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/******/ if (typeof WebAssembly.instantiateStreaming === "function") {
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/******/
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/******/ return WebAssembly.instantiateStreaming(res, importsObj)
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/******/ .then(
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/******/ (res) => (Object.assign(exports, res.instance.exports)),
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/******/ (e) => {
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/******/ if(res.headers.get("Content-Type") !== "application/wasm") {
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/******/ 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);
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/******/ return fallback();
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/******/ }
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/******/ throw e;
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/******/ }
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/******/ );
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/******/ }
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/******/ return fallback();
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/******/ });
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/******/ };
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/******/ })();
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/******/
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/******/ /* webpack/runtime/publicPath */
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/******/ (() => {
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/******/ __webpack_require__.p = "dist/";
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/******/ })();
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/******/
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/************************************************************************/
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```
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</details>
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``` js
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/******/
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/******/ // startup
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/******/ // Load entry module and return exports
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/******/ // This entry module used 'module' so it can't be inlined
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/******/ var __webpack_exports__ = __webpack_require__(0);
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/******/
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/******/ })()
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;
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```
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# Info
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## Unoptimized
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```
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asset output.js 14.1 KiB [emitted] (name: main)
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asset daa529a2a650ee3943a9.module.wasm 139 bytes [emitted] [immutable] (auxiliary name: main)
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chunk (runtime: main) output.js (main) 696 bytes (javascript) 139 bytes (webassembly) 3.72 KiB (runtime) [entry] [rendered]
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> ./example.js main
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runtime modules 3.72 KiB 6 modules
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dependent modules 449 bytes (javascript) 139 bytes (webassembly) [dependent] 4 modules
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./example.js 247 bytes [built] [code generated]
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[no exports]
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[used exports unknown]
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entry ./example.js main
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webpack X.X.X compiled successfully
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```
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## Production mode
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```
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asset output.js 2.72 KiB [emitted] [minimized] (name: main)
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asset 03b5e050bc920dbbb73e.module.wasm 139 bytes [emitted] [immutable] (auxiliary name: main)
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chunk (runtime: main) output.js (main) 696 bytes (javascript) 139 bytes (webassembly) 3.46 KiB (runtime) [entry] [rendered]
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> ./example.js main
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runtime modules 3.46 KiB 5 modules
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dependent modules 449 bytes (javascript) 139 bytes (webassembly) [dependent] 4 modules
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./example.js 247 bytes [built] [code generated]
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[no exports]
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[no exports used]
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entry ./example.js main
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webpack X.X.X compiled successfully
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```
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