docs: improving docs for minimizing options in webpack config

README.md

@@ -102,6 +102,38 @@ module: {
 }
 ```
 
+The enabled rules for minimizing by default are the following ones:
+ - removeComments
+ - removeCommentsFromCDATA
+ - removeCDATASectionsFromCDATA
+ - collapseWhitespace
+ - conservativeCollapse
+ - removeAttributeQuotes
+ - useShortDoctype
+ - keepClosingSlash
+ - minifyJS
+ - minifyCSS
+ - removeScriptTypeAttributes
+ - removeStyleTypeAttributes
+
+ The rules can be disabled using the following options in your `webpack.conf.js`
+
+```js
+module: {
+  rules: [{
+    test: /\.html$/,
+    use: [ {
+      loader: 'html-loader',
+      options: {
+        minimize: true,
+        removeComments: false,
+        collapseWhitespace: false
+      }
+    }],
+  }]
+}
+```
+
 ### 'Root-relative' URLs
 
 For urls that start with a `/`, the default behavior is to not translate them.

test/loaderTest.js

@@ -57,6 +57,35 @@ describe("loader", function() {
 			'module.exports = "<!-- comment --><h3 customattr=\\"\\">#{number} {customer}</h3><p>{title}</p><!-- comment --><img src=\" + require("./image.png") + \" />";'
 		);
 	});
+
+	it("should preserve comments and white spaces when minimizing (via webpack config property)", function() {
+		loader.call({
+			minimize: true,
+			options: {
+				htmlLoader: {
+					removeComments: false,
+					collapseWhitespace: false
+				}
+			}
+		}, '<!-- comment --><h3 customAttr="">#{number} {customer}</h3><p>{title}</p>    <!-- comment -->    <img src="image.png" />').should.be.eql(
+			'module.exports = "<!-- comment --><h3 customattr=\\"\\">#{number} {customer}</h3><p>{title}</p>    <!-- comment -->    <img src=\" + require("./image.png") + \" />";'
+		);
+	});
+
+	it("should preserve comments and white spaces when minizing (via webpack config property)", function() {
+		loader.call({
+			options: {
+				htmlLoader: {
+					minimize: true,
+					removeComments: false,
+					collapseWhitespace: false
+				}
+			}
+		}, '<!-- comment --><h3 customAttr="">#{number} {customer}</h3><p>{title}</p>    <!-- comment -->    <img src="image.png" />').should.be.eql(
+			'module.exports = "<!-- comment --><h3 customattr=\\"\\">#{number} {customer}</h3><p>{title}</p>    <!-- comment -->    <img src=\" + require("./image.png") + \" />";'
+		);
+	});
+
 	it("should treat attributes as case sensitive", function() {
 		loader.call({
 			minimize: true,