├── README.md
├── after
    └── plugin
    │   └── cmp_luasnip_choice.lua
└── lua
    └── cmp_luasnip_choice
        └── init.lua


/README.md:
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 1 | # cmp-luasnip-choice
 2 | 
 3 | [luasnip](https://github.com/L3MON4D3/LuaSnip) choice node completion source for [nvim-cmp](https://github.com/hrsh7th/nvim-cmp)
 4 | 
 5 | 
 6 | https://user-images.githubusercontent.com/25270060/202857316-f6d13c97-7deb-4bfb-bb17-4937755b40cf.mp4
 7 | 
 8 | 
 9 | ## Installation via [Packer](https://github.com/wbthomason/packer.nvim)
10 | 
11 | ```lua
12 | use { 'L3MON4D3/LuaSnip' }
13 | use {
14 |   'hrsh7th/nvim-cmp',
15 |   config = function ()
16 |     require'cmp'.setup {
17 |       snippet = {
18 |         expand = function(args)
19 |           require'luasnip'.lsp_expand(args.body)
20 |         end
21 |       },
22 | 
23 |       sources = {
24 |         { name = 'luasnip_choice' },
25 |         -- more sources
26 |       },
27 |     }
28 |   end
29 | }
30 | use {
31 |   'doxnit/cmp-luasnip-choice',
32 |   config = function()
33 |     require('cmp_luasnip_choice').setup({
34 |         auto_open = true, -- Automatically open nvim-cmp on choice node (default: true)
35 |     });
36 |   end,
37 | }
38 | ```
39 | 


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/after/plugin/cmp_luasnip_choice.lua:
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1 | require('cmp').register_source('luasnip_choice', require('cmp_luasnip_choice').source.new())
2 | 


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/lua/cmp_luasnip_choice/init.lua:
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 1 | local cmp = require('cmp')
 2 | 
 3 | local default_config = {
 4 |     auto_open = true,
 5 | }
 6 | 
 7 | local M = {
 8 |     source = {}
 9 | }
10 | 
11 | function M.setup(config)
12 |     if config == nil then
13 |         config = default_config
14 |     else
15 |         config = vim.tbl_deep_extend('keep', config, default_config)
16 |     end
17 | 
18 |     if config.auto_open then
19 |         vim.api.nvim_create_autocmd('User', {
20 |             pattern = 'LuasnipChoiceNodeEnter',
21 |             callback = function()
22 |                 vim.schedule(function()
23 |                     cmp.complete({
24 |                         config = {
25 |                             sources = {
26 |                                 {name = 'luasnip_choice'}
27 |                             },
28 |                         },
29 |                     })
30 |                 end)
31 |             end,
32 |         })
33 |     end
34 | end
35 | 
36 | function M.source.new()
37 |     return setmetatable({}, {__index = M.source})
38 | end
39 | 
40 | function M.source:is_available()
41 |     return require('luasnip.session').active_choice_node
42 | end
43 | 
44 | function M.source:execute(completion_item, callback)
45 |     require('luasnip').set_choice(completion_item.index)
46 |     callback(completion_item)
47 | end
48 | 
49 | function M.source:get_keyword_pattern()
50 |     return ''
51 | end
52 | 
53 | function M.source:complete(params, callback)
54 |     local items = {}
55 |     local choices = require('luasnip.session').active_choice_node.choices
56 |     for _, choice in ipairs(choices) do
57 |         local copy = choice:copy()
58 |         copy:static_init()
59 | 
60 |         local text = ''
61 |         for _, str in ipairs(copy:get_static_text()) do
62 |             text = text .. str .. '\n'
63 |         end
64 | 
65 |         table.insert(items, {
66 |             label = copy:get_static_text()[1],
67 |             word = copy:get_static_text()[1],
68 |             index = _,
69 |             documentation = text,
70 |             kind = cmp.lsp.CompletionItemKind.Snippet,
71 |         })
72 |     end
73 |     callback(items)
74 | end
75 | 
76 | function M.source:get_debug_name()
77 |     return 'luasnip_choice'
78 | end
79 | 
80 | return M
81 | 


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