Snippet completion triggered without prefix

[weizheheng]

Working on migration from nvim-compe to here, and I have this issue, where snippet completions got triggered even when I haven't type anything yet.

Actual Behavior

• Snippet completions got triggered without any prefix

• Example in typescript
  

• Example in ruby
  

Expected Behavior

• I am expecting that snippets completion should only be triggered if I type in the prefix.

Config

local cmp = require 'cmp'
cmp.setup {
  completion = {
    completeopt = 'menu,menuone,noinsert'
  },
  snippet = {
    expand = function(args)
        vim.fn['vsnip#anonymous'](args.body)
    end
  },
  mapping = {
    ['<C-p>'] = cmp.mapping.prev_item(),
    ['<C-n>'] = cmp.mapping.next_item(),
    ['<C-d>'] = cmp.mapping.scroll(-4),
    ['<C-f>'] = cmp.mapping.scroll(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.close(),
    ['<CR>'] = cmp.mapping.confirm {
      behavior = cmp.ConfirmBehavior.Replace,
      select = true,
    },
    ['<Tab>'] = cmp.mapping.mode({ 'i', 's' }, function(_, fallback)
      if vim.fn.pumvisible() == 1 then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-n>', true, true, true), 'n')
      else
        fallback()
      end
    end),
    ['<S-Tab>'] = cmp.mapping.mode({ 'i', 's' }, function(_, fallback)
      if vim.fn.pumvisible() == 1 then
        vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-p>', true, true, true), 'n')
      else
        fallback()
      end
    end),
  },
  sources = {
    { name = 'nvim_lsp' },
    { name = 'vsnip' },
  },
}

[hrsh7th]

It's weird... I can't reproduce.

Anyway, you can set completion.autocomplete = { cmp.TriggerEvent.TextChanged } to avoid this.

[weizheheng]

Thanks for the reply. I have added that but the same thing still happens.

  completion = {
    autocomplete = { cmp.TriggerEvent.TextChanged },
    completeopt = 'menu,menuone,noinsert'
  },

[weizheheng]

I tried debugging them a bit, and it seems like if the prefix contains any spaces then it will get triggered. Once i remove the spaces then it will not get triggered.

  "if else": {
    "prefix": "if else",
    "body": ["if ${1:test}", "\t$0", "else", "\t", "end"]
  },
  "if elsif": {
    "prefix": "if elsif",
    "body": ["if ${1:test}", "\t$0", "elsif ", "\t", "end"]
  },

[hrsh7th]

OK. It seems a cmp-vsnip problem.

[weizheheng]

I will close this issue then, do you want me to create one on cmp-vsnip?

For my use case now, I will just rename the prefix and delete those that I am not using.

Thanks again! Enjoying the new one so far, great work! :)

[hrsh7th]

Hm... I'm investigating it now. It's a bit difficult 🤣

[hrsh7th]

I've forgotten pushing local changes on cmp-vsnip 🤭

[abzcoding]

i have a similar issue with luasnip as well, so I'm not sure the root cause is cmp-vsnip or not

and even if I do the following,

I'll get the same issue just after doing sth like permissions =

my configurations for reference

[hrsh7th]

@abzcoding No. because cmp-vsnip issue is solved by cmp-vsnip's commit.
You should open issue to cmp-luasnip repo.

[abzcoding]

cmp-luasnip

thank you, just added a PR and tested it locally saadparwaiz1/cmp_luasnip#3