examples/module-worker/README.md
document.body.innerHTML = `
<pre id="history"></pre>
<form>
<input id="message" type="text">
<button id="send">Send Message</button>
</form>
<p>Computing fibonacci without worker:</p>
<input id="fib1" type="number">
<pre id="output1"></pre>
<p>Computing fibonacci with worker:</p>
<input id="fib2" type="number">
<pre id="output2"></pre>
`;
const history = document.getElementById("history");
const message = document.getElementById("message");
const send = document.getElementById("send");
const fib1 = document.getElementById("fib1");
const output1 = document.getElementById("output1");
const fib2 = document.getElementById("fib2");
const output2 = document.getElementById("output2");
/// CHAT with shared worker ///
const chatWorker = new SharedWorker(
new URL("./chat-worker.js", import.meta.url),
{
name: "chat",
type: "module"
}
);
let historyTimeout;
const scheduleUpdateHistory = () => {
clearTimeout(historyTimeout);
historyTimeout = setTimeout(() => {
chatWorker.port.postMessage({ type: "history" });
}, 1000);
};
scheduleUpdateHistory();
const from = `User ${Math.floor(Math.random() * 10000)}`;
send.addEventListener("click", e => {
chatWorker.port.postMessage({
type: "message",
content: message.value,
from
});
message.value = "";
message.focus();
e.preventDefault();
});
chatWorker.port.onmessage = event => {
const msg = event.data;
switch (msg.type) {
case "history":
history.innerText = msg.history.join("\n");
scheduleUpdateHistory();
break;
}
};
/// FIBONACCI without worker ///
fib1.addEventListener("change", async () => {
try {
const value = parseInt(fib1.value, 10);
const { fibonacci } = await import("./fibonacci");
const result = fibonacci(value);
output1.innerText = `fib(${value}) = ${result}`;
} catch (e) {
output1.innerText = e.message;
}
});
/// FIBONACCI with worker ///
const fibWorker = new Worker(new URL("./fib-worker.js", import.meta.url), {
name: "fibonacci",
type: "module"
/* webpackEntryOptions: { filename: "workers/[name].js" } */
});
fib2.addEventListener("change", () => {
try {
const value = parseInt(fib2.value, 10);
fibWorker.postMessage(`${value}`);
} catch (e) {
output2.innerText = e.message;
}
});
fibWorker.onmessage = event => {
output2.innerText = event.data;
};
onmessage = async event => {
const { fibonacci } = await import("./fibonacci");
const value = JSON.parse(event.data);
postMessage(`fib(${value}) = ${fibonacci(value)}`);
};
export function fibonacci(n) {
return n < 1 ? 0 : n <= 2 ? 1 : fibonacci(n - 1) + fibonacci(n - 2);
}
onconnect = function (e) {
for (const port of e.ports) {
port.onmessage = async event => {
const msg = event.data;
switch (msg.type) {
case "message":
const { add } = await import("./chat-module");
add(msg.content, msg.from);
// fallthrough
case "history":
const { history } = await import("./chat-module");
port.postMessage({
type: "history",
history
});
break;
}
};
}
};
export const history = [];
export const add = (content, from) => {
if (history.length > 10) history.shift();
history.push(`${from}: ${content}`);
};
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let __webpack_exports__ = {};
/*!********************!*\
!*** ./example.js ***!
\********************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: __webpack_require__.p, __webpack_require__.b, __webpack_require__.u, __webpack_require__.e, __webpack_require__, __webpack_require__.* */
document.body.innerHTML = `
<pre id="history"></pre>
<form>
<input id="message" type="text">
<button id="send">Send Message</button>
</form>
<p>Computing fibonacci without worker:</p>
<input id="fib1" type="number">
<pre id="output1"></pre>
<p>Computing fibonacci with worker:</p>
<input id="fib2" type="number">
<pre id="output2"></pre>
`;
const history = document.getElementById("history");
const message = document.getElementById("message");
const send = document.getElementById("send");
const fib1 = document.getElementById("fib1");
const output1 = document.getElementById("output1");
const fib2 = document.getElementById("fib2");
const output2 = document.getElementById("output2");
/// CHAT with shared worker ///
const chatWorker = new SharedWorker(
new URL(/* worker import */ __webpack_require__.p + __webpack_require__.u(377), __webpack_require__.b),
{
name: "chat",
type: "module"
}
);
let historyTimeout;
const scheduleUpdateHistory = () => {
clearTimeout(historyTimeout);
historyTimeout = setTimeout(() => {
chatWorker.port.postMessage({ type: "history" });
}, 1000);
};
scheduleUpdateHistory();
const from = `User ${Math.floor(Math.random() * 10000)}`;
send.addEventListener("click", e => {
chatWorker.port.postMessage({
type: "message",
content: message.value,
from
});
message.value = "";
message.focus();
e.preventDefault();
});
chatWorker.port.onmessage = event => {
const msg = event.data;
switch (msg.type) {
case "history":
history.innerText = msg.history.join("\n");
scheduleUpdateHistory();
break;
}
};
/// FIBONACCI without worker ///
fib1.addEventListener("change", async () => {
try {
const value = parseInt(fib1.value, 10);
const { fibonacci } = await __webpack_require__.e(/*! import() */ 129).then(__webpack_require__.bind(__webpack_require__, /*! ./fibonacci */ 3));
const result = fibonacci(value);
output1.innerText = `fib(${value}) = ${result}`;
} catch (e) {
output1.innerText = e.message;
}
});
/// FIBONACCI with worker ///
const fibWorker = new Worker(new URL(/* worker import */ __webpack_require__.p + __webpack_require__.u(721), __webpack_require__.b), {
name: "fibonacci",
type: "module"
/* webpackEntryOptions: { filename: "workers/[name].js" } */
});
fib2.addEventListener("change", () => {
try {
const value = parseInt(fib2.value, 10);
fibWorker.postMessage(`${value}`);
} catch (e) {
output2.innerText = e.message;
}
});
fibWorker.onmessage = event => {
output2.innerText = event.data;
};
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let __webpack_exports__ = {};
/*!************************!*\
!*** ./chat-worker.js ***!
\************************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: __webpack_require__.e, __webpack_require__, __webpack_require__.* */
onconnect = function (e) {
for (const port of e.ports) {
port.onmessage = async event => {
const msg = event.data;
switch (msg.type) {
case "message":
const { add } = await __webpack_require__.e(/*! import() */ 936).then(__webpack_require__.bind(__webpack_require__, /*! ./chat-module */ 4));
add(msg.content, msg.from);
// fallthrough
case "history":
const { history } = await __webpack_require__.e(/*! import() */ 936).then(__webpack_require__.bind(__webpack_require__, /*! ./chat-module */ 4));
port.postMessage({
type: "history",
history
});
break;
}
};
}
};
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let __webpack_exports__ = {};
/*!***********************!*\
!*** ./fib-worker.js ***!
\***********************/
/*! unknown exports (runtime-defined) */
/*! runtime requirements: __webpack_require__.e, __webpack_require__, __webpack_require__.* */
onmessage = async event => {
const { fibonacci } = await __webpack_require__.e(/*! import() */ 129).then(__webpack_require__.bind(__webpack_require__, /*! ./fibonacci */ 3));
const value = JSON.parse(event.data);
postMessage(`fib(${value}) = ${fibonacci(value)}`);
};
var e={};const r={};function o(t){const s=r[t];if(void 0!==s)return s.exports;const n=r[t]={exports:{}};return e[t](n,n.exports,o),n.exports}o.m=e,o.d=(e,r)=>{if(Array.isArray(r))for(var t=0;t<r.length;){var s=r[t++],n=r[t++];o.o(e,s)?0===n&&t++:0===n?Object.defineProperty(e,s,{enumerable:!0,value:r[t++]}):Object.defineProperty(e,s,{enumerable:!0,get:n})}else for(var s in r)o.o(r,s)&&!o.o(e,s)&&Object.defineProperty(e,s,{enumerable:!0,get:r[s]})},o.f={},o.e=e=>Promise.all(Object.keys(o.f).reduce((r,t)=>(o.f[t](e,r),r),[])),o.u=e=>e+".js",o.o=(e,r)=>Object.hasOwn(e,r),o.p="/dist/",(()=>{const e={721:0},r=r=>{let{__webpack_esm_ids__:t,__webpack_esm_modules__:s,__webpack_esm_runtime__:n}=r;var a,i,c=0;for(a in s)o.o(s,a)&&(o.m[a]=s[a]);for(n&&n(o);c<t.length;c++)i=t[c],o.o(e,i)&&e[i]&&e[i][0](),e[t[c]]=0};o.f.j=(t,s)=>{let n=o.o(e,t)?e[t]:void 0;if(0!==n)if(n)s.push(n[1]);else{let a=import(o.p+o.u(t)).then(r,r=>{throw 0!==e[t]&&(e[t]=void 0),r});a=Promise.race([a,new Promise(r=>n=e[t]=[r])]),s.push(n[1]=a)}}})(),onmessage=async e=>{const{fibonacci:r}=await o.e(129).then(o.bind(o,129)),t=JSON.parse(e.data);postMessage(`fib(${t}) = ${r(t)}`)};
export const __webpack_esm_id__ = 129;
export const __webpack_esm_ids__ = [129];
export const __webpack_esm_modules__ = {
/***/ 3
/*!**********************!*\
!*** ./fibonacci.js ***!
\**********************/
/*! namespace exports */
/*! export fibonacci [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 */ fibonacci: () => (/* binding */ fibonacci)
/* harmony export */ });
function fibonacci(n) {
return n < 1 ? 0 : n <= 2 ? 1 : fibonacci(n - 1) + fibonacci(n - 2);
}
/***/ }
};
asset main.js 9.38 KiB [emitted] [javascript module] (name: main)
asset chat.js 7.29 KiB [emitted] [javascript module] (name: chat)
asset workers/fibonacci.js 6.94 KiB [emitted] [javascript module] (name: fibonacci)
asset 936.js 1.04 KiB [emitted] [javascript module]
asset 129.js 881 bytes [emitted] [javascript module]
chunk (runtime: 9a81d90cfd0dfd13d748, main) 129.js 103 bytes [rendered]
> ./fibonacci ./example.js 70:30-51
> ./fibonacci ./fib-worker.js 2:29-50
./fibonacci.js 103 bytes [built] [code generated]
[exports: fibonacci]
[used exports unknown]
import() ./fibonacci ./example.js 70:30-51
import() ./fibonacci ./fib-worker.js 2:29-50
chunk (runtime: 1fad8bf8de78b0a77bfd) chat.js (chat) 442 bytes (javascript) 3.5 KiB (runtime) [entry] [rendered]
> ./example.js 25:19-31:1
runtime modules 3.5 KiB 7 modules
./chat-worker.js 442 bytes [built] [code generated]
[used exports unknown]
new Worker() ./chat-worker.js ./example.js 25:19-31:1
chunk (runtime: 9a81d90cfd0dfd13d748) workers/fibonacci.js (fibonacci) 176 bytes (javascript) 3.5 KiB (runtime) [entry] [rendered]
> ./example.js 80:18-84:2
runtime modules 3.5 KiB 7 modules
./fib-worker.js 176 bytes [built] [code generated]
[used exports unknown]
new Worker() ./fib-worker.js ./example.js 80:18-84:2
chunk (runtime: main) main.js (main) 2.25 KiB (javascript) 3.68 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.68 KiB 7 modules
./example.js 2.25 KiB [built] [code generated]
[used exports unknown]
entry ./example.js main
chunk (runtime: 1fad8bf8de78b0a77bfd) 936.js 152 bytes [rendered]
> ./chat-module ./chat-worker.js 11:31-54
> ./chat-module ./chat-worker.js 7:27-50
./chat-module.js 152 bytes [built] [code generated]
[exports: add, history]
[used exports unknown]
import() ./chat-module ./chat-worker.js 7:27-50
import() ./chat-module ./chat-worker.js 11:31-54
webpack X.X.X compiled successfully
asset main.js 2.55 KiB [emitted] [javascript module] [minimized] (name: main)
asset chat.js 1.28 KiB [emitted] [javascript module] [minimized] (name: chat)
asset workers/fibonacci.js 1.13 KiB [emitted] [javascript module] [minimized] (name: fibonacci)
asset 936.js 221 bytes [emitted] [javascript module] [minimized]
asset 129.js 199 bytes [emitted] [javascript module] [minimized]
chunk (runtime: 9a81d90cfd0dfd13d748, main) 129.js 103 bytes [rendered]
> ./fibonacci ./fib-worker.js 2:29-50
> ./fibonacci ./example.js 70:30-51
./fibonacci.js 103 bytes [built] [code generated]
[exports: fibonacci]
[all exports used]
import() ./fibonacci ./example.js 70:30-51
import() ./fibonacci ./fib-worker.js 2:29-50
chunk (runtime: 1fad8bf8de78b0a77bfd) chat.js (chat) 442 bytes (javascript) 3.27 KiB (runtime) [entry] [rendered]
> ./example.js 25:19-31:1
runtime modules 3.27 KiB 6 modules
./chat-worker.js 442 bytes [built] [code generated]
[no exports used]
new Worker() ./chat-worker.js ./example.js 25:19-31:1
chunk (runtime: 9a81d90cfd0dfd13d748) workers/fibonacci.js (fibonacci) 176 bytes (javascript) 3.27 KiB (runtime) [entry] [rendered]
> ./example.js 80:18-84:2
runtime modules 3.27 KiB 6 modules
./fib-worker.js 176 bytes [built] [code generated]
[no exports used]
new Worker() ./fib-worker.js ./example.js 80:18-84:2
chunk (runtime: main) main.js (main) 2.25 KiB (javascript) 3.44 KiB (runtime) [entry] [rendered]
> ./example.js main
runtime modules 3.44 KiB 6 modules
./example.js 2.25 KiB [built] [code generated]
[no exports used]
entry ./example.js main
chunk (runtime: 1fad8bf8de78b0a77bfd) 936.js 152 bytes [rendered]
> ./chat-module ./chat-worker.js 11:31-54
> ./chat-module ./chat-worker.js 7:27-50
./chat-module.js 152 bytes [built] [code generated]
[exports: add, history]
[all exports used]
import() ./chat-module ./chat-worker.js 7:27-50
import() ./chat-module ./chat-worker.js 11:31-54
webpack X.X.X compiled successfully