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todo-comments.nvim

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✅ Highlight, list and search todo comments in your projects

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# ✅ Todo Comments

**todo-comments** is a lua plugin for Neovim >= 0.8.0 to highlight and search for todo comments like
`TODO`, `HACK`, `BUG` in your code base.

![image](https://user-images.githubusercontent.com/292349/118135272-ad21e980-b3b7-11eb-881c-e45a4a3d6192.png)

## ✨ Features

- **highlight** your todo comments in different styles
- optionally only highlights todos in comments using **TreeSitter**
- configurable **signs**
- open todos in a **quickfix** list
- open todos in [Trouble](https://github.com/folke/trouble.nvim)
- search todos with [Telescope](https://github.com/nvim-telescope/telescope.nvim) & [FzfLua](https://github.com/ibhagwan/fzf-lua)

## ⚡️ Requirements

- Neovim >= 0.8.0 (use the `neovim-pre-0.8.0` branch for older versions)
- a [patched font](https://www.nerdfonts.com/) for the icons, or change them to simple ASCII characters
- optional:
  + [ripgrep](https://github.com/BurntSushi/ripgrep) and [plenary.nvim](https://github.com/nvim-lua/plenary.nvim) are used for searching.
  + [Trouble](https://github.com/folke/trouble.nvim)
  + [Telescope](https://github.com/nvim-telescope/telescope.nvim)
  + [FzfLua](https://github.com/ibhagwan/fzf-lua)

## 📦 Installation

Install the plugin with your preferred package manager:

### [lazy.nvim](https://github.com/folke/lazy.nvim)

```lua
{
  "folke/todo-comments.nvim",
  dependencies = { "nvim-lua/plenary.nvim" },
  opts = {
    -- your configuration comes here
    -- or leave it empty to use the default settings
    -- refer to the configuration section below
  }
}
```

## ⚙️ Configuration

Todo comes with the following defaults:

```lua
{
  signs = true, -- show icons in the signs column
  sign_priority = 8, -- sign priority
  -- keywords recognized as todo comments
  keywords = {
    FIX = {
      icon = " ", -- icon used for the sign, and in search results
      color = "error", -- can be a hex color, or a named color (see below)
      alt = { "FIXME", "BUG", "FIXIT", "ISSUE" }, -- a set of other keywords that all map to this FIX keywords
      -- signs = false, -- configure signs for some keywords individually
    },
    TODO = { icon = " ", color = "info" },
    HACK = { icon = " ", color = "warning" },
    WARN = { icon = " ", color = "warning", alt = { "WARNING", "XXX" } },
    PERF = { icon = " ", alt = { "OPTIM", "PERFORMANCE", "OPTIMIZE" } },
    NOTE = { icon = " ", color = "hint", alt = { "INFO" } },
    TEST = { icon = "⏲ ", color = "test", alt = { "TESTING", "PASSED", "FAILED" } },
  },
  gui_style = {
    fg = "NONE", -- The gui style to use for the fg highlight group.
    bg = "BOLD", -- The gui style to use for the bg highlight group.
  },
  merge_keywords = true, -- when true, custom keywords will be merged with the defaults
  -- highlighting of the line containing the todo comment
  -- * before: highlights before the keyword (typically comment characters)
  -- * keyword: highlights of the keyword
  -- * after: highlights after the keyword (todo text)
  highlight = {
    multiline = true, -- enable multine todo comments
    multiline_pattern = "^.", -- lua pattern to match the next multiline from the start of the matched keyword
    multiline_context = 10, -- extra lines that will be re-evaluated when changing a line
    before = "", -- "fg" or "bg" or empty
    keyword = "wide", -- "fg", "bg", "wide", "wide_bg", "wide_fg" or empty. (wide and wide_bg is the same as bg, but will also highlight surrounding characters, wide_fg acts accordingly but with fg)
    after = "fg", -- "fg" or "bg" or empty
    pattern = [[.*<(KEYWORDS)\s*:]], -- pattern or table of patterns, used for highlighting (vim regex)
    comments_only = true, -- uses treesitter to match keywords in comments only
    max_line_len = 400, -- ignore lines longer than this
    exclude = {}, -- list of file types to exclude highlighting
  },
  -- list of named colors where we try to extract the guifg from the
  -- list of highlight groups or use the hex color if hl not found as a fallback
  colors = {
    error = { "DiagnosticError", "ErrorMsg", "#DC2626" },
    warning = { "DiagnosticWarn", "WarningMsg", "#FBBF24" },
    info = { "DiagnosticInfo", "#2563EB" },
    hint = { "DiagnosticHint", "#10B981" },
    default = { "Identifier", "#7C3AED" },
    test = { "Identifier", "#FF00FF" }
  },
  search = {
    command = "rg",
    args = {
      "--color=never",
      "--no-heading",
      "--with-filename",
      "--line-number",
      "--column",
    },
    -- regex that will be used to match keywords.
    -- don't replace the (KEYWORDS) placeholder
    pattern = [[\b(KEYWORDS):]], -- ripgrep regex
    -- pattern = [[\b(KEYWORDS)\b]], -- match without the extra colon. You'll likely get false positives
  },
}

```

### Jumping

Two methods are available to jump to the next/previous todo comment.

```lua
vim.keymap.set("n", "]t", function()
  require("todo-comments").jump_next()
end, { desc = "Next todo comment" })

vim.keymap.set("n", "[t", function()
  require("todo-comments").jump_prev()
end, { desc = "Previous todo comment" })

-- You can also specify a list of valid jump keywords

vim.keymap.set("n", "]t", function()
  require("todo-comments").jump_next({keywords = { "ERROR", "WARNING" }})
end, { desc = "Next error/warning todo comment" })

```

## 🚀 Usage

**Todo** matches on any text that starts with one of your defined keywords (or alt) followed by a colon:

- TODO: do something
- FIX: this should be fixed
- HACK: weird code warning

Todos are highlighted in all regular files.

Each of the commands below accept the following arguments:

- `cwd` - Specify the directory to search for comments, like:

```vim
:TodoTelescope cwd=~/projects/foobar
```

- `keywords` - Comma separated list of keywords to filter results by. Keywords are case-sensitive.

```vim
:TodoTelescope keywords=TODO,FIX
```

### 🔎 `:TodoQuickFix`

This uses the quickfix list to show all todos in your project.

![image](https://user-images.githubusercontent.com/292349/118135332-bf9c2300-b3b7-11eb-9a40-1307feb27c44.png)

### 🔎 `:TodoLocList`

This uses the location list to show all todos in your project.

![image](https://user-images.githubusercontent.com/292349/118135332-bf9c2300-b3b7-11eb-9a40-1307feb27c44.png)

### 🚦 `:Trouble todo`

List all project todos in [trouble](https://github.com/folke/trouble.nvim)

Use Trouble's filtering: `Trouble todo filter = {tag = {TODO,FIX,FIXME}}`

> See screenshot at the top

### 🔭 `:TodoTelescope`

Search through all project todos with Telescope

![image](https://user-images.githubusercontent.com/292349/118135371-ccb91200-b3b7-11eb-9002-66af3b683cf0.png)

> [!Note]
> The same can be done with `:TodoFzfLua`

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