mirror of
https://github.com/folke/snacks.nvim
synced 2025-07-10 06:35:09 +00:00
73 lines
2.3 KiB
Lua
73 lines
2.3 KiB
Lua
local M = {}
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---@param opts snacks.picker.help.Config
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---@type snacks.picker.finder
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function M.help(opts)
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local langs = opts.lang or vim.opt.helplang:get() ---@type string[]
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local rtp = vim.o.runtimepath
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if package.loaded.lazy then
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rtp = rtp .. "," .. table.concat(require("lazy.core.util").get_unloaded_rtp(""), ",")
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end
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local files = vim.fn.globpath(rtp, "doc/*", true, true) ---@type string[]
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---@async
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---@param cb async fun(item: snacks.picker.finder.Item)
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return function(cb)
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if not vim.tbl_contains(langs, "en") then
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table.insert(langs, "en")
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end
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local tag_files = {} ---@type table<string, string[]>
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local help_files = {} ---@type table<string, string>
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for _, file in ipairs(files) do
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local name = vim.fn.fnamemodify(file, ":t")
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local lang = "en"
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if name == "tags" or name:sub(1, 5) == "tags-" then
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lang = name:match("^tags%-(..)$") or lang
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if vim.tbl_contains(langs, lang) then
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tag_files[lang] = tag_files[lang] or {}
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table.insert(tag_files[lang], file)
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end
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else
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help_files[name] = file
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end
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end
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local done = {} ---@type table<string, boolean>
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for _, lang in ipairs(langs) do
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for _, file in ipairs(tag_files[lang] or {}) do
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for line in io.lines(file) do
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local fields = vim.split(line, string.char(9), { plain = true })
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local tag = fields[1]
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if not line:match("^!_TAG_") and #fields == 3 and not done[tag] then
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done[tag] = true
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---@type snacks.picker.finder.Item
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local item = {
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text = tag,
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tag = tag,
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file = help_files[fields[2]],
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search = "/\\V" .. fields[3]:sub(2),
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}
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if tag:find("^[vbg]?:") or tag:find("^/") then
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item.ft = "vim"
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elseif tag:find("%(%)$") then
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item.ft = "lua"
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elseif tag:find("^'.*'$") then
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item.text_hl = "String"
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elseif tag:find("^E%d+$") then
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item.text_hl = "Error"
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elseif tag:find("^hl%-") then
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item.text_hl = tag:sub(4)
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end
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if item.file then
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cb(item)
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end
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end
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end
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end
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end
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end
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end
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return M
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