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nvim-dr-lsp 👨‍⚕️👩‍⚕️

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Definitions and References utility for the LSP.

Lightweight plugin that highlights definitions and references of the word under the cursor and displays their count in the statusline.

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Installation
Configuration
Highlight references for the word under the cursor
Statusline: definition and reference count
Similar Plugins
Credits

Installation

The plugin requires at least nvim 0.10.

-- lazy.nvim
{ 
	"chrisgrieser/nvim-dr-lsp",
	event = "LspAttach",
	opts = {},
},

-- packer
use { 
	"chrisgrieser/nvim-dr-lsp",
	config = function() require("dr-lsp").setup({}) end,
}

Configuration

-- default config
require("dr-lsp").setup {
	highlightCursorWordReferences = {
		enable = true,
	},
}

Highlight references for the word under the cursor

Definitions are under-dashed, references are under-dotted.
The time for the highlights to show up depends on the updatetime option. It's recommended to set it to something like 300 ms.

[!NOTE] In a previous version of this plugin, the highlights were enabled automatically. Now, the highlights are only enabled when the .setup() call is made.

Statusline: definition and reference count

Definitions and references inside current buffer:

LSP: 2D 6R

Definitions or references outside current buffer

LSP: 1(2)D 4(10)R

1 definition in the current buffer
2 definitions in the workspace
4 references in the current buffer
10 definitions in the workspace

-- adding the component to lualine.nvim
{
	sections = {
		lualine_c = {
			{ require("dr-lsp").lspCount },
		},
	}
}

There are no built-in options to format the components, since formatting can already be done with most statusline plugins. With Lualine, for example, you can use the fmt option:

lualine_c = {
	{ 
		require("dr-lsp").lspCount, 
		-- remove the letters from the component
		fmt = function(str) return str:gsub("[RD]", "") end,
	},
},

Alternatively, require("dr-lsp").lspCountTable() returns the lspCount information as lua table for custom formatting:

{
	file = {
		definitions = 1,
		references = 4,
	},
	workspace = {
		definitions = 2,
		references = 10,
	},
}

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Credits

In my day job, I am a sociologist studying the social mechanisms underlying the digital economy. For my PhD project, I investigate the governance of the app economy and how software ecosystems manage the tension between innovation and compatibility. If you are interested in this subject, feel free to get in touch.