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local ls = require("luasnip")
local fmt = require('luasnip.extras.fmt').fmt
local ls_namespace = vim.api.nvim_create_namespace('luasnip')
local group = vim.api.nvim_create_augroup('LuaSnip', { clear = true })
vim.api.nvim_create_autocmd('ModeChanged', {
callback = function(opts)
if ls.session.current_nodes[opts.buf]
and ((vim.v.event.old_mode == 's' and vim.v.event.new_mode == 'n') or vim.v.event.old_mode == 'i')
then
ls.unlink_current()
ls.cleanup()
end
end,
})
vim.api.nvim_create_autocmd({'CursorHold', 'CursorHoldI'}, {
callback = function(opts)
vim.api.nvim_buf_clear_namespace(opts.buf, ls_namespace, 0, -1)
if ls.session.current_nodes[opts.buf]
and ls.choice_active()
then
vim.notify('current nodes: ' .. #ls.session.current_nodes[opts.buf])
local pos = vim.api.nvim_win_get_cursor(0)
vim.api.nvim_buf_set_extmark(opts.buf, ls_namespace, pos[1] - 1, pos[2], {
virt_text = {{'<-- choice node', 'Comment'}},
virt_text_pos = 'eol',
hl_mode = 'combine',
})
end
end,
group = group
})
vim.api.nvim_create_autocmd('User', {
pattern = 'LuasnipCleanup',
callback = function(opts)
vim.api.nvim_buf_clear_namespace(opts.buf, ls_namespace, 0, -1)
end,
group = group
})
local s = ls.s
local sn = ls.sn
local t = ls.text_node
local f = ls.function_node
local i = ls.insert_node
local c = ls.choice_node
local d = ls.dynamic_node
local exec = function(command)
return f(function(_, _, command_arg)
local results, code = require('plenary.job'):new({
command = vim.env.SHELL,
args = {'-c', command_arg},
enable_recording = true,
}):sync()
if not code == 0 or #results == 0 then
error(string.format('exec "%s" failed', command_arg))
end
return results
end, {}, {user_args = {command}})
end
local user_email = {
exec([[git config --get user.name]]),
t(' <'),
c(1, {
exec([[git config --get user.email]]),
t([[robert.gunzler@postman.com]]),
t([[robert@gnzler.io]]),
}),
t('>'),
}
-- snipmate snippets
require('luasnip.loaders.from_snipmate').load({ paths = {'~/.config/nvim/after/snippets'} })
ls.add_snippets('all', {
s('me' , user_email),
s('today', f(function() return os.date('%Y-%m-%d') end, {})),
s('now' , f(function() return os.date('%Y-%m-%dT%H:%M:%SZ') end, {}))
}, { type = 'snippets', key = 'generic_helpers'})
local autowrap = function(top, bot, inner)
local autoinsert = function(args, _, _, wrap_with)
local nodes = {}
if vim.trim(table.concat(args[1] or {})) ~= "" then
table.insert(nodes, wrap_with)
end
return sn(nil, nodes)
end
local argnodes = {}
local maxpos = -1
for _, e in ipairs(inner) do
if e.pos ~= nil then
table.insert(argnodes, e.pos)
if e.pos > maxpos then
maxpos = e.pos
end
end
end
local nodes = {}
table.insert(nodes, d(maxpos+1, autoinsert, argnodes, {user_args = {top}}))
for _, e in ipairs(inner) do table.insert(nodes, e) end
table.insert(nodes, d(maxpos+2, autoinsert, argnodes, {user_args = {bot}}))
return nodes
end
local comment = function(wrapped, blockcomment)
local get_cstring = function()
local cs = require('Comment.ft').calculate {
ctype = blockcomment and 2 or 1,
range = require('Comment.utils').get_region()
}
local tbl = vim.split(cs or '', '%s', {plain = true, trimempty = true})
return (#tbl == 0) and {'', ''}
or ((#tbl == 1) and {tbl[1] .. ' ', ''}
or {tbl[1], tbl[2]})
end
if type(wrapped) ~= "table" then
wrapped = {wrapped}
end
local nodes = {}
table.insert(nodes, f(function() return get_cstring()[1] end))
for _, n in ipairs(wrapped) do table.insert(nodes, n) end
table.insert(nodes, f(function() return get_cstring()[2] end))
return nodes
end
local todo_comment = function(key)
local nodes = {}
if type(key) == 'string' then
table.insert(nodes, t(key))
elseif type(key) == 'table' then
table.insert(nodes, c(1, vim.tbl_map(function(e) return t(e) end, key)))
end
local wrapped = autowrap(t('('), t(')'), {
c(#nodes, {
t(''), -- bare
exec([[git config --get user.name]]), -- name
f(function() return os.date('%Y-%m-%d') end, {}), -- time
}),
})
for _, n in ipairs(wrapped) do table.insert(nodes, n) end
table.insert(nodes, t(': '))
return comment(nodes)
end
ls.add_snippets('all', {
s('todo', todo_comment('TODO')),
s('note', todo_comment('NOTE')),
s('hack', todo_comment('HACK')),
s('warn', todo_comment({'WARN', 'XXX'})),
s('fix' , todo_comment({'FIX', 'FIXME', 'ISSUE', 'BUG'})),
}, { type = 'snippets', key = 'todo_comments'})
ls.add_snippets('gitcommit', {
s('sign' , fmt('Signed-off-by: {}', {sn(1, user_email)})),
s('change', fmt('Change-type: {}', {c(1, {t('patch'), t('minor'), t('major')}) }))
}, { type = 'snippets', key = 'signature_helpers'})
ls.add_snippets('go', {
s('pack:main', fmt([[
package main
func main() {{
{}
}}
]], {i(1, 'println("hello world!")')}))
}, { type = 'snippets', key = 'golang'})
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