99 lines
2.6 KiB
Lua
99 lines
2.6 KiB
Lua
local M = {}
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local luasnip = require("luasnip")
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local types = require("luasnip.util.types")
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function M.visual_isn(pos)
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local d = luasnip.dynamic_node
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local i = luasnip.insert_node
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local isn = luasnip.indent_snippet_node
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local sn = luasnip.snippet_node
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return isn(pos, d(1, function(_, parent)
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local res, env = {}, parent.snippet.env
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for _, ele in ipairs(env.LS_SELECT_DEDENT or {}) do
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table.insert(res, ele)
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end
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return sn(nil, i(1, res))
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end), "$PARENT_INDENT\t")
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end
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function M.choice_index(choice_node)
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for i, c in ipairs(choice_node.choices) do
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if c == choice_node.active_choice then
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return i
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end
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end
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return 1
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end
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function M.setup()
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luasnip.config.setup {
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region_check_events = "InsertEnter",
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delete_check_events = "InsertLeave",
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store_selection_keys = "<tab>",
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enable_autosnippets = true,
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ext_opts = {
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[types.snippet] = {
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active = {
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virt_text = { { "●", "DiagnosticWarn" } },
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},
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},
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[types.insertNode] = {
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passive = {
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hl_group = "DiagnosticVirtualTextWarn",
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},
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},
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[types.choiceNode] = {
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active = {
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hl_group = "DiagnosticVirtualTextHint",
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virt_text = { { "⧨", "DiagnosticHint" } },
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},
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},
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},
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}
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-- Track where we are expanding the snippet.
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luasnip.env_namespace("INFO", {
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init = function(info) return { POS = info.pos } end,
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})
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vim.keymap.set({ "i", "s" }, "<c-e>", function()
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if luasnip.choice_active() then
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return "<Plug>luasnip-next-choice"
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else
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return "<c-e>"
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end
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end, { silent = true, expr = true, remap = true })
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vim.keymap.set({ "i", "s" }, "<c-y>", function()
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if luasnip.choice_active() then
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return "<Plug>luasnip-prev-choice"
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else
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return "<c-y>"
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end
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end, { silent = true, expr = true, remap = true })
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-- Allow aborting the active snippet at any point in time.
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vim.keymap.set({ "n", "i", "s" }, "<c-l>", "<cmd>LuaSnipUnlinkCurrent<cr>")
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-- Allow toggling autoexpansion on and off. This is more or less the intended
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-- approach: https://github.com/L3MON4D3/LuaSnip/issues/832#issuecomment-1474993417
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luasnip.expand_auto_on = true
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local expand_auto = luasnip.expand_auto
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local toggle_expand_auto = function()
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if luasnip.expand_auto_on then
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luasnip.expand_auto = function() end
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else
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luasnip.expand_auto = expand_auto
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end
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luasnip.expand_auto_on = not luasnip.expand_auto_on
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end
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toggle_expand_auto()
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vim.keymap.set({ "n", "i", "s" }, " ", toggle_expand_auto)
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end
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return M
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