classy.nvim

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Neovim plugin for adding/removing class attribute from HTML/JSX document

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# classy.nvim

- [한국어 문서 읽으러 가기](README-KO.md)

A simple Neovim plugin for adding and removing class attributes in your HTML/JSX document.

![classy](https://raw.githubusercontent.com/jcha0713/classy.nvim/main/extra/classy.gif)

## 💫 Features

- adds/removes class attribute to/from any HTML element
- can handle nested elements too
- works for HTML/JSX/TSX documents
- configurable to use single/double quotes
- uses treesitter to find correct element and make it work regardless of your cursor position

## 🔦 Usage

`classy` provides three functions you can easily map and use: `ClassyAddClass`, `ClassyRemoveClass`, and `ClassyResetClass`.

```lua
-- example keymaps
vim.keymap.set('n', "<leader>ac", :ClassyAddClass<CR>)
vim.keymap.set('n', "<leader>dc", :ClassyRemoveClass<CR>)
vim.keymap.set('n', "<leader>rs", :ClassyResetClass<CR>)
```

### `ClassyAddClass`

When `ClassyAddClass` is called, it finds the nearest element from your cursor and performs one of the two following behaviors based on the state of that element.

- If the element already has a class attribute, then it places your cursor to the end so that you can start adding new values by yourself.
- If no class attribute is present, it adds a new one for you.

```html

```

```html

```

### Difference between `ClassyRemoveClass` and `ClassyResetClass`

`ClassyRemoveClass` removes the class attribute itself from an element, whereas `ClassyResetClass` only removes the string values from the class attribute.

```html

```

## 💻 Setup

### Prerequisites:

- [nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter): `classy` depends on treesitter to parse your code
- Language parsers: install each parser for the language you are writing

### Installation

Use your favorite plugin manager to install.
I'm using [`packer.nvim`](https://github.com/wbthomason/packer.nvim) in this example.

```lua
use({
  "jcha0713/classy.nvim",
})
```

## 🧮 Configuration

Run setup function in your `init.lua` file:

```lua
require('classy').setup({
  -- these are the default values
  use_double_quote = true,
  insert_after_remove = false,
  move_cursor_after_remove = true,
})
```

### `use_double_quote`

**type**: `boolean`
**default**: `true`

If this is set to `false`, then `classy` uses a pair of single quotation marks instead of double when adding a new class attribute to the tag. The default is set to true.

### `insert_after_remove`

**type**: `boolean`
**default**: `false`

You can set `insert_after_remove` to true if you want to change to insert mode every time you remove a class attribute. This is false by default.

### `move_cursor_after_remove`

**type**: `boolean`
**default**: `true`

Determines whether to move the cursor to the position where class removal happens. This is useful when you try to remove a class attribute while your cursor is on the closing tag of a deeply nested element.

## 📩 Contributing

Any PRs or issues to improve the quality of the plugin are appreciated. I have not tested for all kinds of UI framework out there so please let me know if there is any bug, so I can help!

## 🙏 Credit

The idea of `classy` comes from this random [tweet](https://twitter.com/justinrassier/status/1584632886938173441?s=20&t=kixISG6hBcPfFhXPnJFRqA) I found. Thank you `@justinrassier`!

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