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https://github.com/rhysd/NyaoVim

Web-enhanced Extensible Neovim Frontend
https://github.com/rhysd/NyaoVim

desktop-app editor electron gui neovim polymer

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Web-enhanced Extensible Neovim Frontend

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README 

        
![NyaoVim](resources/title-bar.png)

===================================



This is a [Neovim](https://neovim.io/) frontend built on [Electron](https://electronjs.org/).

The Neovim editor is [composed as a Web Component](https://github.com/rhysd/neovim-component) and users

can extend the UI with reusable Web Components, HTML, CSS and JavaScript.



`:help design-not` says:



> Use Vim as a component from a shell or in an IDE.



NyaoVim is built in the same spirit.  NyaoVim contains the Neovim editor as a Web Component and extends

its UI with web technology, as in other modern editors and IDEs (e.g. [Atom](http://atom.io/),

[VS Code](https://github.com/Microsoft/vscode), [LightTable](http://lighttable.com/)).



## Goals



- **NyaoVim bundles no extended UI by default.**  It only provides the nice UI plugin architecture.

  Users can compose their favorite UI with Web Components, HTML and CSS.  It is also easy to make a NyaoVim

  distribution where useful components are bundled.

- **Do not introduce another plugin manager.**  HTML for Web Components should be bundled with Vim plugins.

  Therefore, a Vim plugin manager can handle UI components, letting us bundle JS and Vim script code.

- **Do not lose Vim's comfortability by default.**  It should be aware of performance.

- **UI component creators can use powerful APIs, packages and tools**; [Node.js APIs](https://nodejs.org/en/docs/),

  [Electron APIs](https://github.com/atom/electron/tree/master/docs/api), [Neovim msgpack-rpc APIs](https://neovim.io/doc/user/msgpack_rpc.html)),

  so many [npm packages](https://www.npmjs.com/) and [Chrome DevTools](https://developers.google.com/web/tools/chrome-devtools/).

- **Cross Platform** (Linux, OS X, Windows)



Memo: 'nyao' is 'meow' in Japanese and its pronounce resembles 'neo'.

It is also an acronym for 'Not Yet Another Original'.



## App Structure



NyaoVim consists of Web Components on Electron as shown in the following figure.  At first there is

only `` and you can add/remove additional components.



![structure](https://raw.githubusercontent.com/rhysd/ss/master/NyaoVim/structure.png)



## UI Plugin Examples



UI plugins are installable as easily as regular plugins.  Each of them is written within 100~300 lines.

You can also create reusable Web Components and integrate them into NyaoVim.



- [nyaovim-markdown-preview](https://github.com/rhysd/nyaovim-markdown-preview)



![nyaovim-markdown-preview screenshot](https://raw.githubusercontent.com/rhysd/ss/master/nyaovim-markdown-preview/main.gif)



- [nyaovim-popup-tooltip](https://github.com/rhysd/nyaovim-popup-tooltip)



![nyaovim-popup-tooltip screenshot](https://raw.githubusercontent.com/rhysd/ss/master/nyaovim-popup-tooltip/main.gif)



- [nyaovim-mini-browser](https://github.com/rhysd/nyaovim-mini-browser)



![nyaovim-mini-browser screenshot](https://raw.githubusercontent.com/rhysd/ss/master/nyaovim-mini-browser/main.gif)



## Usage



### Getting Started



You can install NyaoVim as an [npm package](https://www.npmjs.com/package/nyaovim).  Currently no packaging

release is available yet.  If you use Windows and haven't installed Neovim yet, please read [first tips](docs/tips.md) first.



```sh

$ npm install -g nyaovim

```



`npm` may require `sudo` if you installed `node` pacakge via system package manager.



If you haven't installed Neovim yet, please install it following [Neovim's instructions](https://github.com/neovim/neovim/wiki/Installing-Neovim)

because NyaoVim internally uses the `nvim` command.  **Note that `nvim` v0.1.6 or later is needed.**



You can start NyaoVim with the `nyaovim` command if you install this app with npm.



```sh

$ nyaovim [files...]

```



You would see a minimal Neovim GUI editor (like gVim).  This is an Electron app and Neovim is drawn

on ``.  You can see the DevTools of this app with the 'Developer Tools' menu item.



On first start up of NyaoVim, it creates `~/.config/nyaovim/nyaovimrc.html` for UI configuration

(`%AppData%` instead of `.config` in Windows).  Yes, you can extend and configure UI components with

HTML and CSS!



### Configure Editor Options



I guess you're now thinking 'Hmm, font is not good and too small...'. You can configure some editor

options by properties of [`` properties](https://github.com/rhysd/neovim-component#neovim-editor-properties).

For example, below configures font face and font size by `font` and `font-size` properties.  Then set

line-height to 1.5 (for example, Atom adopts 1.5 as line-height).



```html



```



And you can also configure browser window options with `browser-config.json` (e.g. Preserving window

state, Single instance app, and so on). See [tips](docs/tips.md) for more detail.



### Install UI Plugin



For example, let's install [nyaovim-popup-tooltip](https://github.com/rhysd/nyaovim-popup-tooltip).



As described in the Goals section, a UI plugin is a normal Neovim plugin.  You can install it like

any other Neovim plugin.  If you use [vim-plug](https://github.com/junegunn/vim-plug), all you need

is adding below line to your `init.vim`.



```vim

Plug 'rhysd/nyaovim-popup-tooltip'

```



Then you need to put the popup tooltip UI on your NyaoVim interface.  Please open `~/.config/nyaovim/nyaovimrc.html`

(`%AppData%` instead of `.config` in Windows).  As described in the Goals section, a user can build

a UI with HTML and CSS with high customization.



Please add `` tag under `` tag as below



```html



```



`` is a [Polymer](https://github.com/Polymer/polymer) component.

`editor="[[editor]]"` is a data binding in Polymer framework to pass editor instance to ``. It means

unidirectional data flow from parent to child.



After installing nyaovim-popup-tooltip as a Neovim plugin and adding UI to HTML, you're all done!

Open NyaoVim, move the cursor to any image path, and enter `gi`.  NyaoVim will load the image and show

it in a popup tooltip as below.



![nyaovim-popup-tooltip screenshot](https://raw.githubusercontent.com/rhysd/ss/master/nyaovim-popup-tooltip/main.gif)



## Documents



There is more in documentation in the [docs directory](docs).



- [How to Make UI Plugin](docs/make-ui-plugin.md)

- [Tips](docs/tips.md)

- [FAQ](docs/faq.md)

- [Runtime API](docs/runtime-api.md)

- [Browser Config](docs/browser-config.md)



## Versioning



NyaoVim is now under beta phase. Major version is fixed to 0 until it gets stable release.



Updating minor version means it contains breaking changes. And updating patch version means it contains

no breaking change, so you can update version easily.



## License



[MIT License](/LICENSE.txt).



Logo of this app is created based on [Neovim logo](https://neovim.io/) licensed under [CCA 3.0 Unported](https://creativecommons.org/licenses/by/3.0/legalcode).



> The Neovim logo by Jason Long is licensed under the Creative Commons Attribution 3.0 Unported License.