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@ -0,0 +1,209 @@
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This example demonstrates various types of source-maps.
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# example.js
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```js
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import { greet } from "library";
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// Valid value
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console.log(greet("world"));
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// Wrong value
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console.log(greet(128));
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```
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# node_modules/library/src/index.ts
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```typescript
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const greet = (name: string) => {
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if (typeof name !== "string") {
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throw new TypeError("Invalid name type");
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}
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return `Hello, ${name}!`;
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};
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export { greet }
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```
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# node_modules/library/lib/index.js
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```js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.greet = void 0;
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var greet = function (name) {
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if (typeof name !== "string") {
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throw new TypeError("Invalid name type");
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}
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return "Hello, ".concat(name, "!");
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};
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exports.greet = greet;
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//# sourceMappingURL=index.js.map
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```
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# node_modules/library/lib/index.js.map
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```json
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{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;AAAA,IAAM,KAAK,GAAG,UAAC,IAAY;IAC1B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE,CAAC;QAC9B,MAAM,IAAI,SAAS,CAAC,mBAAmB,CAAC,CAAC;IAC1C,CAAC;IAED,OAAO,iBAAU,IAAI,MAAG,CAAC;AAC1B,CAAC,CAAC;AAEO,sBAAK"}
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```
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# webpack.config.js
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```javascript
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"use strict";
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module.exports = {
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mode: "development",
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devtool: "source-map",
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module: {
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rules: [
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{
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test: /\.js$/i,
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extractSourceMap: true
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}
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]
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},
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};
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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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/* 1 */
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/*!*******************************************!*\
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!*** ./node_modules/library/lib/index.js ***!
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\*******************************************/
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/*! flagged exports */
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/*! export __esModule [provided] [no usage info] [missing usage info prevents renaming] */
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/*! export greet [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_exports__ */
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/***/ ((__unused_webpack_module, exports) => {
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Object.defineProperty(exports, "__esModule", ({ value: true }));
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exports.greet = void 0;
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var greet = function (name) {
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if (typeof name !== "string") {
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throw new TypeError("Invalid name type");
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}
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return "Hello, ".concat(name, "!");
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};
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exports.greet = greet;
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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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/******/ // no module.id needed
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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/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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/************************************************************************/
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```
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</details>
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``` js
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var __webpack_exports__ = {};
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// This entry needs to be wrapped in an IIFE because it needs to be isolated against other modules in the chunk.
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(() => {
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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__, __webpack_require__.* */
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__webpack_require__.r(__webpack_exports__);
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/* harmony import */ var library__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! library */ 1);
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// Valid value
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console.log((0,library__WEBPACK_IMPORTED_MODULE_0__.greet)("world"));
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// Wrong value
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console.log((0,library__WEBPACK_IMPORTED_MODULE_0__.greet)(128));
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})();
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/******/ })()
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;
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//# sourceMappingURL=output.js.map
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```
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# dist/output.js.map
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```json
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{"version":3,"file":"output.js","mappings":";;;;;;;;;;;;;;;;;;AAAA,IAAM,KAAK,GAAG,UAAC,IAAY;IAC1B,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE,CAAC;QAC9B,MAAM,IAAI,SAAS,CAAC,mBAAmB,CAAC,CAAC;IAC1C,CAAC;IAED,OAAO,iBAAU,IAAI,MAAG,CAAC;AAC1B,CAAC,CAAC;AAEO,sBAAK;;;;;;UCRd;UACA;;UAEA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;UACA;;UAEA;UACA;;UAEA;UACA;UACA;;;;;WCtBA;WACA;WACA;WACA,uDAAuD,iBAAiB;WACxE;WACA,gDAAgD,aAAa;WAC7D,E;;;;;;;;;;;;;;;ACNgC;;AAEhC;AACA,YAAY,8CAAK;AACjB;AACA,YAAY,8CAAK","sources":["webpack:///./node_modules/library/src/index.ts","webpack:///webpack/bootstrap","webpack:///webpack/runtime/make namespace object","webpack:///./example.js"],"sourcesContent":["const greet = (name: string) => {\n\tif (typeof name !== \"string\") {\n\t\tthrow new TypeError(\"Invalid name type\");\n\t}\n\n\treturn `Hello, ${name}!`;\n};\n\nexport { greet }\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// define __esModule on exports\n__webpack_require__.r = (exports) => {\n\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n\t}\n\tObject.defineProperty(exports, '__esModule', { value: true });\n};","import { greet } from \"library\";\n\n// Valid value\nconsole.log(greet(\"world\"));\n// Wrong value\nconsole.log(greet(128));\n"],"names":[],"sourceRoot":""}
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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 3.18 KiB [emitted] (name: main) 1 related asset
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chunk (runtime: main) output.js (main) 407 bytes (javascript) 274 bytes (runtime) [entry] [rendered]
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> ./example.js main
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dependent modules 289 bytes [dependent] 1 module
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runtime modules 274 bytes 1 module
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./example.js 118 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 386 bytes [emitted] [minimized] (name: main) 1 related asset
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chunk (runtime: main) output.js (main) 407 bytes [entry] [rendered]
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> ./example.js main
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dependent modules 289 bytes [dependent] 1 module
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./example.js 118 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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```
|
Alexander Akait
GitHub