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feat(nvim): add
nvim-ufo for better folding
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| ---@type LazySpec | ||
| return { | ||
| "kevinhwang91/nvim-ufo", | ||
| event = "BufReadPost", | ||
| dependencies = "kevinhwang91/promise-async", | ||
| config = function() | ||
| -- vim.o.foldcolumn = "1" | ||
| vim.o.foldlevel = 99 | ||
| vim.o.foldlevelstart = 99 | ||
| vim.o.foldenable = true | ||
| vim.opt.fillchars:append([[fold: ,foldopen:,foldsep: ,foldclose:]]) | ||
|
|
||
| local ufo = require("ufo") | ||
| local nnoremap = require("core.utils").mapper_factory("n") | ||
|
|
||
| nnoremap("zR", ufo.openAllFolds, { desc = "Open all folds" }) | ||
| nnoremap("zM", ufo.closeAllFolds, { desc = "Close all folds" }) | ||
|
|
||
| ---@diagnostic disable-next-line: missing-fields | ||
| require("ufo").setup({ | ||
| open_fold_hl_timeout = 150, | ||
| provider_selector = function() | ||
| return { "treesitter", "indent" } | ||
| end, | ||
| fold_virt_text_handler = function( | ||
| virt_text, | ||
| lnum, | ||
| end_lnum, | ||
| width, | ||
| truncate | ||
| ) | ||
| local new_virt_text = {} | ||
| local suffix = (" %d "):format(end_lnum - lnum) | ||
| local target_width = width - vim.fn.strdisplaywidth(suffix) | ||
| local cur_width = 0 | ||
|
|
||
| for _, chunk in ipairs(virt_text) do | ||
| local chunk_text = chunk[1] | ||
| local chunk_width = vim.fn.strdisplaywidth(chunk_text) | ||
|
|
||
| if target_width > cur_width + chunk_width then | ||
| table.insert(new_virt_text, chunk) | ||
| else | ||
| local hlgroup = chunk[2] | ||
| chunk_text = truncate(chunk_text, target_width - cur_width) | ||
| table.insert(new_virt_text, { chunk_text, hlgroup }) | ||
| chunk_width = vim.fn.strdisplaywidth(chunk_text) | ||
| -- str width returned from truncate() may less than 2nd argument, need padding | ||
| if cur_width + chunk_width < target_width then | ||
| suffix = suffix | ||
| .. (" "):rep(target_width - cur_width - chunk_width) | ||
| end | ||
| break | ||
| end | ||
|
|
||
| cur_width = cur_width + chunk_width | ||
| end | ||
|
|
||
| table.insert(new_virt_text, { suffix, "MoreMsg" }) | ||
| return new_virt_text | ||
| end, | ||
| }) | ||
| end, | ||
| } |