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nwjs-edge-example1

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An example using Edge in NW.js directly from the DOM

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#nwjs-edge-example (Edge directly from DOM)

An example usage of NW.js and Edge.JS. This code calls a function inside
a .NET class library from the DOM.

![NWJS-Edge-Example-Screenshot](https://raw.githubusercontent.com/frankhale/nwjs-edge-example1/master/screenshots/nwjs-edge-example.png)

## Having Trouble Building Edge for NW.js?

There are a lot of things that can go wrong preventing this example from
working. For example, new NW.js builds containing Node versions that are not yet
supported by Edge. Additionally getting a build environment setup on Windows can
be challenging and difficult.

If you cannot get Edge built to work directly in NW.js then you may want to look
at my new example which demonstrates using Edge from NW.js via spawning a regular
Node process and interacting with it via Socket.IO. This allows for shipping a
known good version of Node that Edge supports while preventing the complexities
of building Edge for NW.js.

https://github.com/frankhale/nwjs-edge-example2

## Usage

NOTE: Need [NW.js](http://nwjs.io/)?

- Clone or download a zip of this repository
- Unzip into it's own folder (assuming folder named edge-test-app)
- Unzip NW.js
- Copy nw-edge-example folder to NW.js folder
- Open command prompt to the NW.js folder
- Follow build instructions below to build the module
- Run using the command: nw nw-edge-example

## C# Class Library

The SimpleLibrary.dll is built from the Hello.cs source file. I've omitted the
Visual Studio project to build this from this repository. This library only
contains one function as noted in the Hello.cs. Notice the function signature
is special because by default Edge.JS wants to call asynchronous methods so it
does not block the Javascript engine.

If you want to see more examples of using Edge.JS please see it's Github
repository located at:

https://github.com/tjanczuk/edge

## Development

### Building Edge.JS for NW.js

Edge.JS has to be rebuilt using nw-gyp in order for it to work from within
NW.js.

NOTE: By default Edge.JS is built using node-gyp and only works within Node.JS.

Things you need in order to build Edge.JS for use within NW.js:

- Visual Studio 2013
- Python 2.7.x
- Node.JS 5.x
- nw-gyp (npm install -g nw-gyp)

Next, open a command prompt to your source code directory and install the
Edge.JS module using npm:

Create a folder on your desktop (for illustration call it my-app) and copy the
Node-Webkit runtime files to it.

Next open a command prompt to the my-app folder and install the Edge.JS module:

```
c:\>cd my-app
c:\my-app>npm install edge
```

This will create a node-modules folder and then install edge into that folder.
Now we need to recompile Edge using nw-gyp (instead of node-gyp which it is
built with by default).

```
c:\my-app\>cd node_modules\edge
c:\my-app\node_modules\edge>nw-gyp configure --target=v0.13.3 --msvs_version=2013 --arch=x64
c:\my-app\node_modules\edge>nw-gyp build
```

Once the build finishes, the new module will be in:

```
c:\my-app\node_modules\edge\build\Release
```

Copy edge_coreclr.node and edge_nativeclr to: (depending on your architecture, I built against x64)

```
c:\my-app\node_modules\edge\lib\native\win32\x64\5.1.0
```

## Author(s)

Frank Hale &lt;frankhale@gmail.com&gt;  
30 May 2016

## License

GNU GPL v3 - see [LICENSE](LICENSE)

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