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https://github.com/madskristensen/BundlerMinifier

Visual Studio extension
https://github.com/madskristensen/BundlerMinifier

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# Bundler and Minifier



A Visual Studio extension that let's you configure bundling and

minification of JS, CSS and HTML files.



[![Build status](https://ci.appveyor.com/api/projects/status/ktn1qy982qsprwb5?svg=true)](https://ci.appveyor.com/project/madskristensen/bundlerminifier)

[![NuGet](https://img.shields.io/nuget/v/BuildBundlerMinifier.svg?style=flat)](https://www.nuget.org/packages/BuildBundlerMinifier/) 



Download the extension at the

[VS Gallery](https://visualstudiogallery.msdn.microsoft.com/9ec27da7-e24b-4d56-8064-fd7e88ac1c40)

or get the

[nightly build](http://vsixgallery.com/extension/a0ae318b-4f07-4f71-93cb-f21d3f03c6d3/)



---------------------------------------



See the

[changelog](CHANGELOG.md)

for changes and roadmap and the 

[wiki](https://github.com/madskristensen/BundlerMinifier/wiki)

for more details.



## Features



- Bundles CSS, JavaScript or HTML files into a single output file

- Saving a source file triggers re-bundling automatically

- Support for globbing patterns

- MSBuild support for CI scenarios supported

- Minify individual or bundled CSS, JavaScript and HTML files

- Minification options for each language is customizable

- Shows a watermark when opening a generated file

- Task Runner Explorer integration

- Command line support

- Shortcut to update all bundles in solution

- Suppress output file generation

- Convert to Gulp



### A note about encoding

All files without a BOM (Byte Order Mark) is treated as UTF-8. If you

see strange characters in the output bundle files, you may want to consider

saving the input files as UTF-8 or an encoding that lets you specify a BOM.



### Bundling



Select 2 or more of the same type of files in Solution Explorer

to create a bundle.   



![Create bundle](art/contextmenu-createbundle.png)



Any edits being made to the source files will instantly produce

updated bundle file output.



The bundle configuration is stored in a file called `bundleconfig.json`

which gets added to the root of the project.



### Minification



Minify any JS, CSS or HTML file by right-clicking it in Solution

Explorer. That will create a _[filename].min.[ext]_ and nest

it under the original file.



![Minify file](art/contextmenu-minify.png)



When the original file is modified, a new min file is produced

instantly.



### Bundle on build / CI support

In ASP.NET MVC and WebForms projects you can enable bundling and

minification as part of the build step. Simply right-click the

`bundleconfig.json` file to enable it.



![Bundle on build](art/contextmenu-bundleonbuild.png)



Clicking the menu item will prompt you with information about what will

happen if you click the OK button.



![Bundle on build prompt](art/prompt-compileonsave.png)



A NuGet package will be installed into the `packages` folder without adding

any files to the project itself. That NuGet package contains an MSBuild

task that will run the exact same compilers on the `bundleconfig.json`

file in the root of the project.



For ASP.NET Core projects, see the [wiki](https://github.com/madskristensen/BundlerMinifier/wiki)



### Update all bundles



You can run the bundler on all `bundleconfig.json` files

in the solution by using the keyboard shortcut `Shift+Alt+i`

or by using the button on the top level Build menu.



![Update all bundles](art/build-menu.png)



### Source maps



Source maps are supported for JavaScript minification only at this time.



A `.map` file is produced next to the `.min.js` file automatically,

but if you manually delete the `.map` file, a new one will not be

created on subsequent minifications.



To enable source maps, add this property to the `bundleconfig.json`

file:



```json

"sourceMap": true

```



### Task Runner Explorer

Get a quick overview of the files you've specified or execute a bundle

directly in Task Runner Explorer.



![Task Runner Explorer](art/task-runner-explorer.png)



You can even set bindings so that bundling/minification happens automatically

during certain Visual Studio events, such as BeforeBuild and Project Open.



![Task Runner Bindings](art/task-runner-bindings.png)



### Suppress output file generation

There are cases when you don't want the extension to listen for file

changes and generate bundled and minified output. That could be if you

want to use Gulp to use `bundleconfig.json` or server-side code instead. In

those cases it will still be helpful to have the `bundleconfig.json` file

with all the Visual Studio tooling around it, but let other tools handle

the bundling and minification process.



To suppress the output, remove the checkbox located in the right-click

menu of `bundleconfig.json`.



![Suppress output](art/context-menu-suppress-output.png)



### Convert to Gulp

This feature makes it easy to start using Gulp based on what's already

configured in `bundleconfig.json`. It will create `gulpfile.js` and

`package.json` if they don't already exist and then install the needed

node modules using npm.



The `gulpfile.js` will consume `bundleconfig.json` to get the input and

output file paths, but will use regular gulp plugins to do all the

bundling and minification. You can modify it to use other plugins without

losing its ability to read the `bundleconfig.json`.



Read more about this and see code samples on the 

[wiki](https://github.com/madskristensen/BundlerMinifier/wiki).



### bundleconfig.json



The extension adds a `bundleconfig.json` file at the root of the

project which is used to configure all bundling.



Here's an example of what that file looks like:



```js

[

  {

    "outputFileName": "output/bundle.css",

    "inputFiles": [

      "css/lib/**/*.css", // globbing patterns are supported

      "css/input/site.css"

    ],

    "minify": {

        "enabled": true,

        "commentMode": "all"

    }

  },

  {

    "outputFileName": "output/all.js",

    "inputFiles": [

      "js/*.js",

      "!js/ignore.js" // start with a ! to exclude files

    ]

  },

  {

    "outputFileName": "output/app.js",

    "inputFiles": [

      "input/main.js",

      "input/core/*.js" // all .js files in input/core/

    ]

  }

]

```



## Contribute

Check out the [contribution guidelines](.github/CONTRIBUTING.md)

if you want to contribute to this project.



For cloning and building this project yourself, make sure

to install the

[Extensibility Tools](https://visualstudiogallery.msdn.microsoft.com/ab39a092-1343-46e2-b0f1-6a3f91155aa6)

extension for Visual Studio which enables some features

used by this project.



## License

[Apache 2.0](LICENSE)