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dotfiles/.config/nvim/lua/funcs.lua

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local M = {}
function M.set_title()
local title = " %t"
local f = io.popen([[zsh -c '
source $XDG_CONFIG_HOME/zsh/configs/autogenerated/hashes
print -Pn "$USER@$HOST [%3~] "
']])
if f ~= nil then
title = f:read("*a") or ""
title = title .. " %t"
f:close()
end
vim.opt.titlestring = title
end
function M.format_filter(client)
local filetype = vim.bo.filetype
local n = require "null-ls"
local s = require "null-ls.sources"
local method = n.methods.FORMATTING
local available_formatters = s.get_available(filetype, method)
if #available_formatters > 0 then
return client.name == "null-ls"
elseif client.supports_method "textDocument/formatting" then
return true
else
return false
end
end
function M.format(opts)
opts = opts or {}
opts.filter = opts.filter or M.format_filter
return vim.lsp.buf.format(opts)
end
-- Modified version of a function stolen from LunarVim
function M.buf_kill(kill_command, bufnr, force)
kill_command = kill_command or "bd"
local bo = vim.bo
local api = vim.api
local fmt = string.format
local fnamemodify = vim.fn.fnamemodify
if bufnr == 0 or bufnr == nil then
bufnr = api.nvim_get_current_buf()
end
local bufname = api.nvim_buf_get_name(bufnr)
if not force then
local warning
if bo[bufnr].modified then
warning = fmt([[No write since last change for (%s)]], fnamemodify(bufname, ":t"))
elseif api.nvim_buf_get_option(bufnr, "buftype") == "terminal" then
warning = fmt([[Terminal %s will be killed]], bufname)
end
if warning then
vim.ui.input({
prompt = string.format([[%s. Close it anyway? [y]es or [n]o (default: no): ]], warning),
}, function(choice)
if choice:match "ye?s?" then force = true end
end)
if not force then return end
end
end
-- Get list of windows IDs with the buffer to close
local windows = vim.tbl_filter(function(win)
return api.nvim_win_get_buf(win) == bufnr
end, api.nvim_list_wins())
if #windows == 0 then return end
if force then
kill_command = kill_command .. "!"
end
-- Get list of active buffers
local buffers = vim.tbl_filter(function(buf)
return api.nvim_buf_is_valid(buf) and bo[buf].buflisted
end, api.nvim_list_bufs())
-- If there is only one buffer (which has to be the current one), vim will
-- create a new buffer on :bd.
-- For more than one buffer, pick the previous buffer (wrapping around if necessary)
if #buffers > 1 then
for i, v in ipairs(buffers) do
if v == bufnr then
local prev_buf_idx = i == 1 and (#buffers - 1) or (i - 1)
local prev_buffer = buffers[prev_buf_idx]
for _, win in ipairs(windows) do
api.nvim_win_set_buf(win, prev_buffer)
end
end
end
else
vim.cmd('q!')
end
-- Check if buffer still exists, to ensure the target buffer wasn't killed
-- due to options like bufhidden=wipe.
if api.nvim_buf_is_valid(bufnr) and bo[bufnr].buflisted then
vim.cmd(string.format("%s %d", kill_command, bufnr))
end
end
return M