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|
local ls = require("luasnip") --{{{
local s = ls.s --> snippet
local i = ls.i --> insert node
local t = ls.t --> text node
local d = ls.dynamic_node
local c = ls.choice_node --> takes in a pos as first arg and a table of nodes
local f = ls.function_node
local sn = ls.snippet_node
local fmt = require("luasnip.extras.fmt").fmt
local rep = require("luasnip.extras").rep
local snippets, autosnippets = {}, {} --}}}
local group = vim.api.nvim_create_augroup("Lua Snippets", { clear = true })
local file_pattern = "*.lua"
local function cs(trigger, nodes, opts) --{{{
local snippet = s(trigger, nodes)
local target_table = snippets
local pattern = file_pattern
local keymaps = {}
if opts ~= nil then
-- check for custom pattern
if opts.pattern then
pattern = opts.pattern
end
-- if opts is a string
if type(opts) == "string" then
if opts == "auto" then
target_table = autosnippets
else
table.insert(keymaps, { "i", opts })
end
end
-- if opts is a table
if opts ~= nil and type(opts) == "table" then
for _, keymap in ipairs(opts) do
if type(keymap) == "string" then
table.insert(keymaps, { "i", keymap })
else
table.insert(keymaps, keymap)
end
end
end
-- set autocmd for each keymap
if opts ~= "auto" then
for _, keymap in ipairs(keymaps) do
vim.api.nvim_create_autocmd("BufEnter", {
pattern = pattern,
group = group,
callback = function()
vim.keymap.set(keymap[1], keymap[2], function()
ls.snip_expand(snippet)
end, { noremap = true, silent = true, buffer = true })
end,
})
end
end
end
table.insert(target_table, snippet) -- insert snippet into appropriate table
end --}}}
-- Start Refactoring --
cs("CMD", { -- [CMD] multiline vim.cmd{{{
t({ "vim.cmd[[", " " }),
i(1, ""),
t({ "", "]]" }),
}) --}}}
cs("cmd", fmt("vim.cmd[[{}]]", { i(1, "") })) -- single line vim.cmd
cs({ -- github import for packer{{{
trig = "https://github%.com/([%w-%._]+)/([%w-%._]+)!",
regTrig = true,
hidden = true,
}, {
t([[use "]]),
f(function(_, snip)
return snip.captures[1]
end),
t("/"),
f(function(_, snip)
return snip.captures[2]
end),
t({ [["]], "" }),
i(1, ""),
}, "auto") --}}}
cs( -- {regexSnippet} LuaSnippet{{{
"regexSnippet",
fmt(
[=[
cs( -- {}
{{ trig = "{}", regTrig = true, hidden = true }}, fmt([[
{}
]], {{
{}
}}))
]=],
{
i(1, "Description"),
i(2, ""),
i(3, ""),
i(4, ""),
}
),
{ pattern = "*/snippets/*.lua", "<C-d>" }
) --}}}
cs( -- [luaSnippet] LuaSnippet{{{
"luaSnippet",
fmt(
[=[
cs("{}", fmt( -- {}
[[
{}
]], {{
{}
}}){})
]=],
{
i(1, ""),
i(2, "Description"),
i(3, ""),
i(4, ""),
c(5, {
t(""),
fmt([[, "{}"]], { i(1, "keymap") }),
fmt([[, {{ pattern = "{}", {} }}]], { i(1, "*/snippets/*.lua"), i(2, "keymap") }),
}),
}
),
{ pattern = "*/snippets/*.lua", "jcs" }
) --}}}
cs( -- choice_node_snippet luaSnip choice node{{{
"choice_node_snippet",
fmt(
[[
c({}, {{ {} }}),
]],
{
i(1, ""),
i(2, ""),
}
),
{ pattern = "*/snippets/*.lua", "jcn" }
) --}}}
cs( -- [function] Lua function snippet{{{
"function",
fmt(
[[
function {}({})
{}
end
]],
{
i(1, ""),
i(2, ""),
i(3, ""),
}
),
"jff"
) --}}}
cs( -- [local_function] Lua function snippet{{{
"local_function",
fmt(
[[
local function {}({})
{}
end
]],
{
i(1, ""),
i(2, ""),
i(3, ""),
}
),
"jlf"
) --}}}
cs( -- [local] Lua local variable snippet{{{
"local",
fmt(
[[
local {} = {}
]],
{ i(1, ""), i(2, "") }
),
"jj"
) --}}}
-- Tutorial Snippets go here --
local myFirstSnippet = s("myFirstSnippet", {
t("Hi! This is my first snippet in Luasnip "),
i(1, "placeholder"),
t({"", "this is another text node", ""}),
i(2, "put here"),
})
table.insert(snippets, myFirstSnippet)
local mySecondSnippet = s(
"mySecondSnippet",
fmt(
[[
local {} = function({})
{} {{ im in a curly braces }}
end {}
]],
{
i(1, "myVar"),
c(2, { t(""), i(1, "myArg") }),
i(3, "-- TODO: something"),
i(4, "-- nice")
}
)
)
table.insert(snippets, mySecondSnippet)
local myFirstAutoSnippet = s("automatic", { t("This was auto triggered") })
table.insert(autosnippets, myFirstAutoSnippet)
local mySecondAutoSnippet = s({ trig = "normal", regTrig = true }, { t("This was auto triggered") })
table.insert(autosnippets, mySecondAutoSnippet)
-- End Refactoring --
return snippets, autosnippets
|
