First version

.gitignore

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+.idea
+node_modules

README.md

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 # hot-callback-loader
 Webpack loader that wraps a module in a callback that executes whenever the module hot updates
+
+## Usage
+```javascript
+// import using es6 syntax
+import hotMyModule from 'hot-callback!./path/to/my-module';
+// OR use commonjs syntax
+const hotMyModule = require('hot-callback!./path/to/my-module');
+
+let MyModule;
+hotMyModule(function(newMyModule) {
+  // this callback will execute initially and every time the module updates
+  myModule = newMyModule;
+});
+
+// the above callback is executed synchronously, so we can use MyModule now
+MyModule.doStuff();
+```
+
+### Getting the correct export
+Often the object you want to load is exported as a default export of your module. To avoid
+having to manually type 'newMyModule.default' every time in the hot callback, you can 
+set the loader to always pass a specific export.
+
+```javascript
+// import using es6 syntax
+import hotRoutes from 'hot-callback?export=default!./routes';
+
+hotRoutes(server.updateRoutes.bind(server));
+```

index.js

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+var loaderUtils = require("loader-utils");
+
+module.exports = function() {};
+module.exports.pitch = function(remainingRequest) {
+	this.cacheable && this.cacheable();
+
+	var options = loaderUtils.parseQuery(this.query);
+	var useExport = options.export ? '.' + options.export : '';
+
+	var moduleRequest = loaderUtils.stringifyRequest(this, remainingRequest);
+	var modulePath = loaderUtils.stringifyRequest(this, this.resourcePath);
+	var result = [
+		"let moduleInstance = require(" + moduleRequest + ");",
+		"const moduleId = require.resolve(" + moduleRequest + ");",
+		"module.exports = function(cb) {",
+		"  cb(moduleInstance" + useExport + ");",
+		"  if(module.hot) {",
+		"    module.hot.accept([moduleId], function() {",
+		"      console.log('Hot updating "+modulePath+"');",
+		"      moduleInstance = require(" + moduleRequest + ");",
+		"      cb(moduleInstance" + useExport + ");",
+		"    });",
+		"  }",
+		"}"
+	];
+	return result.join("\n");
+};

package.json

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+{
+  "name": "hot-callback-loader",
+  "version": "0.1.0",
+  "description": "Webpack loader that wraps a module in a callback that executes whenever the module hot updates",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/flut1/hot-callback-loader.git"
+  },
+  "keywords": [
+    "webpack",
+    "loader",
+    "hot",
+    "callback",
+    "hmr",
+    "module",
+    "update"
+  ],
+  "author": "Floris Bernard",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/flut1/hot-callback-loader/issues"
+  },
+  "homepage": "https://github.com/flut1/hot-callback-loader#readme",
+  "dependencies": {
+    "loader-utils": "^0.2.16"
+  }
+}