webpack/examples/module-library/README.md

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# example.js
```javascript
export * from "./counter";
export * from "./methods";
```
# methods.js
```javascript
export { reset as resetCounter } from "./counter";
export const print = value => console.log(value);
```
# counter.js
```javascript
export let value = 0;
export function increment() {
value++;
}
export function decrement() {
value--;
}
export function reset() {
value = 0;
}
```
# dist/output.js
```javascript
/*!********************************!*\
!*** ./example.js + 2 modules ***!
\********************************/
/*! namespace exports */
/*! export decrement [provided] [used in main] [missing usage info prevents renaming] -> ./counter.js .decrement */
/*! export increment [provided] [used in main] [missing usage info prevents renaming] -> ./counter.js .increment */
/*! export print [provided] [used in main] [missing usage info prevents renaming] -> ./methods.js .print */
/*! export reset [provided] [used in main] [missing usage info prevents renaming] -> ./counter.js .reset */
/*! export resetCounter [provided] [used in main] [missing usage info prevents renaming] -> ./counter.js .reset */
/*! export value [provided] [used in main] [missing usage info prevents renaming] -> ./counter.js .value */
/*! other exports [not provided] [no usage info] */
/*! runtime requirements: */
;// ./counter.js
let value = 0;
function increment() {
value++;
}
function decrement() {
value--;
}
function counter_reset() {
value = 0;
}
;// ./methods.js
const print = value => console.log(value);
;// ./example.js
export { decrement, increment, print, counter_reset as reset, counter_reset as resetCounter, value };
```
# dist/output.js (production)
```javascript
let n=0;function o(){n++}function t(){n--}function e(){n=0}const s=n=>console.log(n);export{t as decrement,o as increment,s as print,e as reset,e as resetCounter,n as value};
```
# Info
## Unoptimized
```
asset output.js 1.19 KiB [emitted] [javascript module] (name: main)
chunk (runtime: main) output.js (main) 302 bytes [entry] [rendered]
> ./example.js main
./example.js + 2 modules 302 bytes [built] [code generated]
[exports: decrement, increment, print, reset, resetCounter, value]
[used exports unknown]
entry ./example.js main
used as library export
2025-04-25 20:13:46 +08:00
webpack 5.99.7 compiled successfully
```
## Production mode
```
asset output.js 174 bytes [emitted] [javascript module] [minimized] (name: main)
chunk (runtime: main) output.js (main) 302 bytes [entry] [rendered]
> ./example.js main
./example.js + 2 modules 302 bytes [built] [code generated]
[exports: decrement, increment, print, reset, resetCounter, value]
[all exports used]
entry ./example.js main
used as library export
2025-04-25 20:13:46 +08:00
webpack 5.99.7 compiled successfully
```