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|
local ls = require('luasnip')
local types = require('luasnip.util.types')
-- configure luasnip
ls.config.set_config({
enable_autosnippets = true,
history = true,
updateevents = 'TextChanged,TextChangedI',
override_builtin = true,
ext_opts = {
[types.choiceNode] = {
active = {
virt_text = { { '◂ ', 'NonText' } },
},
},
[types.insertNode] = {
active = {
virt_text = { { '◂ ', 'NonText' } },
},
},
},
snip_env = vim.tbl_deep_extend('error', ls.session.config.snip_env, {
-- snippet helpers
nl = function()
return ls.t({ '', '' })
end,
exec = function(command)
return ls.f(function(_, _, ...)
local job = require('plenary.job'):new({
command = vim.env.SHELL,
args = { '-c', ... },
enable_recording = true,
})
local res, exitcode = job:sync()
if not exitcode == 0 or #res == 0 then
error(string.format('exec "%s" failed', ...))
end
return res
end, {}, { user_args = { command } })
end,
-- condition helpers
cond = {
ts = function(capture)
return function()
return vim.tbl_contains(vim.treesitter.get_captures_at_cursor(), capture)
end
end,
},
}),
})
-- snippet loaders
require('luasnip.loaders.from_lua').lazy_load()
require('luasnip.loaders.from_vscode').lazy_load({ include = {} })
-- keymaps
vim.keymap.set({ 'i', 's' }, '<c-j>', function()
return vim.snippet.active({ direction = 1 }) and vim.snippet.jump(1)
end, { silent = true, desc = 'snippet: jump next' })
vim.keymap.set({ 'i', 's' }, '<c-k>', function()
return vim.snippet.active({ direction = -1 }) and vim.snippet.jump(-1)
end, { silent = true, desc = 'snippet: jump prev' })
vim.keymap.set({ 'i', 's' }, '<c-n>', function()
if ls.choice_active() then
ls.change_choice(1)
end
end, { silent = true, desc = 'snippet: next choice' })
vim.keymap.set({ 'i', 's' }, '<c-p>', function()
if ls.choice_active() then
ls.change_choice(-1)
end
end, { silent = true, desc = 'snippet: prev choice' })
-- usercmds
vim.api.nvim_create_user_command('EditSnippets', require('luasnip.loaders').edit_snippet_files, {})
-- autocmds
-- vim.api.nvim_create_autocmd('User', {
-- pattern = 'LuasnipChoiceNodeEnter',
-- callback = function()
-- vim.schedule(function()
-- assert(ls.session.active_choice_nodes[vim.api.nvim_get_current_buf()], 'No active choiceNode')
-- vim.ui.select(
-- ls.get_current_choices(),
-- -- TODO: patch luasnip.extras.select_choice to fix missing prompt
-- { prompt = 'LuaSnip: choice node', kind = 'luasnip' },
-- function(_, idx)
-- if not idx then
-- return
-- end
-- -- feed+immediately execute i to enter INSERT after vim.ui.input closes.
-- vim.api.nvim_feedkeys('i', 'x', false)
-- ls.set_choice(idx)
-- ls.unlink_current()
-- end
-- )
-- end)
-- end,
-- })
-- unlink luasnip session on <esc>
vim.api.nvim_create_autocmd('ModeChanged', {
pattern = '*',
callback = function()
if ((vim.v.event.old_mode == 's' and vim.v.event.new_mode == 'n') or vim.v.event.old_mode == 'i')
and ls.session.current_nodes[vim.api.nvim_get_current_buf()]
and not ls.session.jump_active
and not require("blink.cmp").is_visible()
then
ls.unlink_current()
end
end
})
-- attach to builtin snippet hooks
vim.snippet.expand = ls.lsp_expand
vim.snippet.active = function(filter)
filter = filter or {}
filter.direction = filter.direction or 1
if filter.direction == 1 then
return ls.expand_or_jumpable()
else
return ls.jumpable(filter.direction)
end
end
vim.snippet.jump = function(direction)
if direction == 1 then
if ls.expandable() then
return ls.expand_or_jump()
else
return ls.jumpable(1) and ls.jump(1)
end
else
return ls.jumpable(-1) and ls.jump(-1)
end
end
vim.snippet.stop = ls.unlink_current
|
