snacks.nvim/lua/snacks/words.lua
Folke Lemaitre 73445af400
feat: words
2024-11-03 15:10:35 +01:00

90 lines
2.2 KiB
Lua

---@class snacks.words
local M = {}
---@alias LspWord {from:{[1]:number, [2]:number}, to:{[1]:number, [2]:number}} 1-0 indexed
---@class snacks.words.Config
local defaults = {
enabled = true,
debounce = 200,
}
local config = Snacks.config.get("words", defaults)
local ns = vim.api.nvim_create_namespace("vim_lsp_references")
local timer = (vim.uv or vim.loop).new_timer()
function M.setup()
local group = vim.api.nvim_create_augroup("snacks_words", { clear = true })
vim.api.nvim_create_autocmd({ "CursorMoved", "CursorMovedI" }, {
group = group,
callback = function()
if not ({ M.get() })[2] then
M.update()
end
end,
})
end
function M.update()
local buf = vim.api.nvim_get_current_buf()
timer:start(config.debounce, 0, function()
vim.schedule(function()
if vim.api.nvim_buf_is_valid(buf) then
vim.api.nvim_buf_call(buf, function()
if not M.is_enabled() then
return
end
vim.lsp.buf.document_highlight()
vim.lsp.buf.clear_references()
end)
end
end)
end)
end
---@param buf number?
function M.is_enabled(buf)
return config.enabled
and #vim.lsp.get_clients({
method = vim.lsp.protocol.Methods.textDocument_documentHighlight,
bufnr = buf or 0,
})
> 0
end
---@return LspWord[] words, number? current
function M.get()
local cursor = vim.api.nvim_win_get_cursor(0)
local current, ret = nil, {} ---@type number?, LspWord[]
for _, extmark in ipairs(vim.api.nvim_buf_get_extmarks(0, ns, 0, -1, { details = true })) do
local w = {
from = { extmark[2] + 1, extmark[3] },
to = { extmark[4].end_row + 1, extmark[4].end_col },
}
ret[#ret + 1] = w
if cursor[1] >= w.from[1] and cursor[1] <= w.to[1] and cursor[2] >= w.from[2] and cursor[2] <= w.to[2] then
current = #ret
end
end
return ret, current
end
---@param count number
---@param cycle? boolean
function M.jump(count, cycle)
local words, idx = M.get()
if not idx then
return
end
idx = idx + count
if cycle then
idx = (idx - 1) % #words + 1
end
local target = words[idx]
if target then
vim.api.nvim_win_set_cursor(0, target.from)
end
end
return M