118 lines
3.4 KiB
Lua
118 lines
3.4 KiB
Lua
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local F = {}
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F.close_buffer = function(force)
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-- This is a modification of a NeoVim plugin from
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-- Author: ojroques - Olivier Roques
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-- Src: https://github.com/ojroques/nvim-bufdel
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-- (Author has okayed copy-paste)
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-- Options
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local opts = {
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next = "cycle", -- how to retrieve the next buffer
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quit = false, -- exit when last buffer is deleted
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--TODO make this a chadrc flag/option
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}
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-- ----------------
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-- Helper functions
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-- ----------------
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-- Switch to buffer 'buf' on each window from list 'windows'
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local function switch_buffer(windows, buf)
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local cur_win = vim.fn.winnr()
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for _, winid in ipairs(windows) do
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vim.cmd(string.format("%d wincmd w", vim.fn.win_id2win(winid)))
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vim.cmd(string.format("buffer %d", buf))
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end
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vim.cmd(string.format("%d wincmd w", cur_win)) -- return to original window
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end
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-- Select the first buffer with a number greater than given buffer
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local function get_next_buf(buf)
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local next = vim.fn.bufnr "#"
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if opts.next == "alternate" and vim.fn.buflisted(next) == 1 then
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return next
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end
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for i = 0, vim.fn.bufnr "$" - 1 do
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next = (buf + i) % vim.fn.bufnr "$" + 1 -- will loop back to 1
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if vim.fn.buflisted(next) == 1 then
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return next
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end
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end
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end
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-- ----------------
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-- End helper functions
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-- ----------------
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local buf = vim.fn.bufnr()
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if vim.fn.buflisted(buf) == 0 then -- exit if buffer number is invalid
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vim.cmd "close"
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return
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end
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if #vim.fn.getbufinfo { buflisted = 1 } < 2 then
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if opts.quit then
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-- exit when there is only one buffer left
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if force then
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vim.cmd "qall!"
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else
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vim.cmd "confirm qall"
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end
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return
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end
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local chad_term, _ = pcall(function()
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return vim.api.nvim_buf_get_var(buf, "term_type")
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end)
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if chad_term then
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-- Must be a window type
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vim.cmd(string.format("setlocal nobl", buf))
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vim.cmd "enew"
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return
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end
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-- don't exit and create a new empty buffer
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vim.cmd "enew"
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vim.cmd "bp"
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end
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local next_buf = get_next_buf(buf)
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local windows = vim.fn.getbufinfo(buf)[1].windows
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-- force deletion of terminal buffers to avoid the prompt
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if force or vim.fn.getbufvar(buf, "&buftype") == "terminal" then
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local chad_term, type = pcall(function()
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return vim.api.nvim_buf_get_var(buf, "term_type")
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end)
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-- TODO this scope is error prone, make resilient
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if chad_term then
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if type == "wind" then
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-- hide from bufferline
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vim.cmd(string.format("%d bufdo setlocal nobl", buf))
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-- swtich to another buff
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-- TODO switch to next bufffer, this works too
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vim.cmd "BufferLineCycleNext"
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else
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local cur_win = vim.fn.winnr()
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-- we can close this window
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vim.cmd(string.format("%d wincmd c", cur_win))
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return
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end
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else
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switch_buffer(windows, next_buf)
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vim.cmd(string.format("bd! %d", buf))
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end
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else
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switch_buffer(windows, next_buf)
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vim.cmd(string.format("silent! confirm bd %d", buf))
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end
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-- revert buffer switches if user has canceled deletion
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if vim.fn.buflisted(buf) == 1 then
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switch_buffer(windows, buf)
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end
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end
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return F
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