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chrisgrieser/nvim-origami

github github
utilitymotionpluginediting-supportfolding
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CREATED

2023-07-27

UPDATED

3 days ago

nvim-origami 🐦📄

Fold with relentless elegance.

A collection of Quality-of-life features related to folding.

Table of Content

Features

  1. Remember folds across sessions. requires nvim-ufo
  2. Pause folds while searching, restore folds when done with searching. (Normally, folds are opened when you search for text inside them, and stay open afterward.)
  3. Add line count to the foldtext, preserving the syntax highlighting of the line (requires Treesitter parser for the language). incompatible with nvim-ufo
  4. Overload the h key which will fold a line when used one the first non-blank character of (or before). And overload the l key, which will unfold a line when used on a folded line.[^1] This allows you to ditch zc, zo, and za, h and l are all you need.
  5. Automatically fold comments and/or imports. Requires vim.lsp.foldexpr from nvim 0.11. incompatible with nvim-ufo

[!NOTE] This plugin does not provide a foldmethod. For this plugin to work, you either have to set one of on your own, or use plugin providing folding information, such as nvim-ufo.

Installation

-- lazy.nvim
{
    "chrisgrieser/nvim-origami",
    event = "VeryLazy",
    opts = {}, -- needed even when using default config
},

-- packer
use {
    "chrisgrieser/nvim-origami",
    config = function() require("origami").setup({}) end, -- setup call needed
}

Configuration

-- default settings
require("origami").setup {
    -- requires with `nvim-ufo`
    keepFoldsAcrossSessions = package.loaded["ufo"] ~= nil,

    pauseFoldsOnSearch = true,

    -- incompatible with `nvim-ufo`
    foldtextWithLineCount = {
        enabled = package.loaded["ufo"] == nil,
        template = "   %s lines", -- `%s` gets the number of folded lines
        hlgroupForCount = "Comment",
    },

    foldKeymaps = {
        setup = true, -- modifies `h` and `l`
        hOnlyOpensOnFirstColumn = false,
    },

    -- redundant with `nvim-ufo`
    autoFold = {
        enabled = false,
        kinds = { "comment", "imports" }, ---@type lsp.FoldingRangeKind[]
    },
}

If you use other keys than h and l for vertical movement, set setupFoldKeymaps = false and map the keys yourself:

vim.keymap.set("n", "<Left>", function() require("origami").h() end)
vim.keymap.set("n", "<Right>", function() require("origami").l() end)

FAQ

Folds are still opened

Many formatting plugins open all your folds and unfortunately, there is nothing this plugin can do about it. The only two tools I am aware of that are able to preserve folds are the efm-language-server and conform.nvim.

Debug folding issues

-- Folds provided by the LSP
require("origami").inspectLspFolds("special") -- comment & import only
require("origami").inspectLspFolds("all")

Credits

  • @magnusriga for a more performant implementation of fold text with highlighting.

About the developer

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.

I also occasionally blog about vim: Nano Tips for Vim

[^1]: Technically, unfolding with l is already a built-in vim feature when vim.opt.foldopen includes hor. However, this plugin still sets up a l key replicating that behavior, since the built-in version still moves you to one character to the side, which can be considered a bit counterintuitive.