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example.js

// use our loader
console.dir(require("./loader!./file"));

// use buildin css loader
console.dir(require("./test.css")); // default by extension
console.dir(require("!css-loader!./test.css")); // manual

file.js

exports.foo = "bar";

loader.js

module.exports = function(content) {
	return "exports.answer = 42;\n" + content;
}

test.css

.some-class {
	color: hotpink;
}

js/output.js

`/******/ (function(modules) { /* webpackBootstrap */ })`

``` javascript /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {};

// // The require function // function webpack_require(moduleId) {

// // Check if module is in cache // if(installedModules[moduleId]) /******/ return installedModules[moduleId].exports;

// // Create a new module (and put it into the cache) // var module = installedModules[moduleId] = { // i: moduleId, // l: false, // exports: {} // };

// // Execute the module function // modules[moduleId].call(module.exports, module, module.exports, webpack_require);

// // Flag the module as loaded // module.l = true;

// // Return the exports of the module // return module.exports; /******/ }

// // expose the modules object (webpack_modules) // webpack_require.m = modules;

// // expose the module cache // webpack_require.c = installedModules;

// // identity function for calling harmony imports with the correct context // webpack_require.i = function(value) { return value; };

// // define getter function for harmony exports // webpack_require.d = function(exports, name, getter) { // if(!webpack_require.o(exports, name)) { // Object.defineProperty(exports, name, { // configurable: false, // enumerable: true, // get: getter // }); // } // };

// // getDefaultExport function for compatibility with non-harmony modules // webpack_require.n = function(module) { // var getter = module && module.__esModule ? // function getDefault() { return module['default']; } : // function getModuleExports() { return module; }; // webpack_require.d(getter, 'a', getter); // return getter; // };

// // Object.prototype.hasOwnProperty.call // webpack_require.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };

// // webpack_public_path // webpack_require.p = "js/";

// // Load entry module and return exports // return webpack_require(webpack_require.s = 3); // }) /******************************************************************/

</details>
``` javascript
/******/ ([
/* 0 */
/* unknown exports provided */
/* all exports used */
/*!*****************************************!*\
  !*** (webpack)/~/css-loader!./test.css ***!
  \*****************************************/
/***/ function(module, exports, __webpack_require__) {

exports = module.exports = __webpack_require__(/*! ./../../~/css-loader/lib/css-base.js */ 2)();
// imports


// module
exports.push([module.i, ".some-class {\r\n\tcolor: hotpink;\r\n}\r\n", ""]);

// exports


/***/ },
/* 1 */
/* unknown exports provided */
/* all exports used */
/*!*****************************!*\
  !*** ./loader.js!./file.js ***!
  \*****************************/
/***/ function(module, exports) {

exports.answer = 42;
exports.foo = "bar";

/***/ },
/* 2 */
/* unknown exports provided */
/* all exports used */
/*!**********************************************!*\
  !*** (webpack)/~/css-loader/lib/css-base.js ***!
  \**********************************************/
/***/ function(module, exports) {

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
// css base code, injected by the css-loader
module.exports = function() {
	var list = [];

	// return the list of modules as css string
	list.toString = function toString() {
		var result = [];
		for(var i = 0; i < this.length; i++) {
			var item = this[i];
			if(item[2]) {
				result.push("@media " + item[2] + "{" + item[1] + "}");
			} else {
				result.push(item[1]);
			}
		}
		return result.join("");
	};

	// import a list of modules into the list
	list.i = function(modules, mediaQuery) {
		if(typeof modules === "string")
			modules = [[null, modules, ""]];
		var alreadyImportedModules = {};
		for(var i = 0; i < this.length; i++) {
			var id = this[i][0];
			if(typeof id === "number")
				alreadyImportedModules[id] = true;
		}
		for(i = 0; i < modules.length; i++) {
			var item = modules[i];
			// skip already imported module
			// this implementation is not 100% perfect for weird media query combinations
			//  when a module is imported multiple times with different media queries.
			//  I hope this will never occur (Hey this way we have smaller bundles)
			if(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {
				if(mediaQuery && !item[2]) {
					item[2] = mediaQuery;
				} else if(mediaQuery) {
					item[2] = "(" + item[2] + ") and (" + mediaQuery + ")";
				}
				list.push(item);
			}
		}
	};
	return list;
};


/***/ },
/* 3 */
/* unknown exports provided */
/* all exports used */
/*!********************!*\
  !*** ./example.js ***!
  \********************/
/***/ function(module, exports, __webpack_require__) {

// use our loader
console.dir(__webpack_require__(/*! ./loader!./file */ 1));

// use buildin css loader
console.dir(__webpack_require__(/*! ./test.css */ 0)); // default by extension
console.dir(__webpack_require__(/*! css-loader!./test.css */ 0)); // manual


/***/ }
/******/ ]);

Console output

Prints in node.js (enhanced-require example.js) and in browser:

{ answer: 42, foo: 'bar' }
{ foobar: 1234 }
{ foobar: 1234 }

Info

Uncompressed

Hash: 197d528d54679c3ef22f
Version: webpack 2.2.0-rc.2
    Asset     Size  Chunks             Chunk Names
output.js  5.43 kB       0  [emitted]  main
Entrypoint main = output.js
chunk    {0} output.js (main) 1.96 kB [entry] [rendered]
    > main [3] ./example.js 
    [0] (webpack)/~/css-loader!./test.css 202 bytes {0} [built]
        cjs require !css-loader!./test.css [3] ./example.js 6:12-45
        cjs require ./test.css [3] ./example.js 5:12-33
    [1] ./loader.js!./file.js 41 bytes {0} [built]
        cjs require ./loader!./file [3] ./example.js 2:12-38
    [2] (webpack)/~/css-loader/lib/css-base.js 1.51 kB {0} [built]
        cjs require ./../../node_modules/css-loader/lib/css-base.js [0] (webpack)/~/css-loader!./test.css 1:27-85
    [3] ./example.js 210 bytes {0} [built]

Minimized (uglify-js, no zip)

Hash: 73ca0b614fa918a99453
Version: webpack 2.2.0-rc.2
    Asset     Size  Chunks             Chunk Names
output.js  1.16 kB       0  [emitted]  main
Entrypoint main = output.js
chunk    {0} output.js (main) 1.94 kB [entry] [rendered]
    > main [3] ./example.js 
    [0] (webpack)/~/css-loader!./test.css 185 bytes {0} [built]
        cjs require !css-loader!./test.css [3] ./example.js 6:12-45
        cjs require ./test.css [3] ./example.js 5:12-33
    [1] ./loader.js!./file.js 41 bytes {0} [built]
        cjs require ./loader!./file [3] ./example.js 2:12-38
    [2] (webpack)/~/css-loader/lib/css-base.js 1.51 kB {0} [built]
        cjs require ./../../node_modules/css-loader/lib/css-base.js [0] (webpack)/~/css-loader!./test.css 1:27-85
    [3] ./example.js 210 bytes {0} [built]

7.6 KiB Raw Blame History