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local util = require('chadterm.termutil')
local a = vim.api
local nvterm = {}
local terminals = {}
local function get_last(list)
if list then return not vim.tbl_isempty(list) and list[#list] or nil end
return terminals[#terminals] or nil
end
local function get_type(type)
return vim.tbl_filter(function(t)
return t.type == type
end, terminals.list)
end
local function get_still_open()
return vim.tbl_filter(function(t)
return t.open == true
end, terminals.list)
end
local function get_last_still_open()
return get_last(get_still_open())
end
local function get_type_last(type)
return get_last(get_type(type))
end
local create_term_window = function (type)
util.execute_type_cmd(type, terminals)
vim.wo.relativenumber = false
vim.wo.number = false
return a.nvim_get_current_win()
end
local create_term = function (type)
local win = create_term_window(type)
local buf = a.nvim_create_buf(false, true)
a.nvim_buf_set_option(buf, 'filetype', 'terminal')
a.nvim_buf_set_option(buf, 'buflisted', false)
a.nvim_win_set_buf(win, buf)
local job_id = vim.fn.termopen(vim.o.shell)
local term = { win = win, buf = buf, open = true, type=type, job_id=job_id}
table.insert(terminals.list, term)
vim.cmd('startinsert')
return term
end
local ensure_and_send = function(cmd, type)
terminals = util.verify_terminals(terminals)
local term = type and get_type_last(type) or get_last_still_open() or nvterm.new("vertical")
if not term then term = nvterm.new("horizontal") end
a.nvim_chan_send(term.job_id, cmd..'\n')
end
local call_and_restore = function (fn, opts)
local current_win = a.nvim_get_current_win()
local mode = a.nvim_get_mode().mode == 'i' and 'startinsert' or 'stopinsert'
fn(unpack(opts))
a.nvim_set_current_win(current_win)
vim.cmd(mode)
end
nvterm.send = function(cmd, type)
if not cmd then return end
call_and_restore(ensure_and_send, {cmd, type})
end
nvterm.hide_term = function (term)
term.open = false
a.nvim_win_close(term.win, false)
end
nvterm.show_term = function (term)
term.open = true
term.win = create_term_window(term.type)
a.nvim_win_set_buf(term.win, term.buf)
vim.cmd('startinsert')
end
nvterm.hide = function (type)
local term = type and get_type_last(type) or get_last()
nvterm.hide_term(term)
end
nvterm.show = function(type)
local term = type and get_type_last(type) or terminals.last
nvterm.show_term(term)
end
nvterm.new = function (type)
local term = create_term(type)
return term
end
nvterm.new_or_toggle = function (type)
terminals = util.verify_terminals(terminals)
local term = get_type_last(type)
if not term then term = nvterm.new(type)
elseif term.open then nvterm.hide_term(term)
else nvterm.show_term(term) end
end
nvterm.init = function(term_config)
terminals = term_config
end
return nvterm
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