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Tern results take a long time to appear

See original GitHub issue

Example of how long it takes to appear on React. (5-6 seconds) -

I’ve tried running my own tern server with --verbose and I can see several request/response before the final response comes back with all the completions. The query sent to the server looks like:

 "query": {
    "type": "completions",
    "types": false,
    "depths": false,
    "docs": false,
    "filter": true,
    "caseInsensitive": false,
    "guess": true,
    "sort": false,
    "expandWordForward": true,
    "omitObjectPrototype": false,
    "includeKeywords": false,
    "inLiteral": true,
    "file": "#0",
    "end": {
      "line": 29,
      "ch": 6
    "lineCharPositions": true

My deoplete settings are:

if s:has_plugin('deoplete.nvim')
  let g:deoplete#enable_at_startup = 1
  let g:deoplete#auto_complete_start_length = 1
  let g:deoplete#sources = {}
  let g:deoplete#sources.python = ['ultisnips']
  let g:deoplete#sources.javascript = ['buffer', 'tern']

if s:has_plugin('deoplete-ternjs')
  let g:tern_request_timeout = 1
  let g:tern_show_signature_in_pum = '0'
  let g:tern#command = ['tern']
  let g:tern#arguments = ['--persistent']
  let g:deoplete#sources#ternjs#timeout = 1
  let g:deoplete#sources#ternjs#tern_bin = '/Users/simonsmith/.nvm/versions/node/v8.9.0/bin/tern'

This also seems to block just normal buffer completions from appearing as well. If I disable this plugin then autocompletions from the same buffer appears instantly.

Any suggestions are welcomed 😃

Issue Analytics

  • State:closed
  • Created 6 years ago
  • Comments:8 (5 by maintainers)

github_iconTop GitHub Comments

carlituxcommented, Dec 12, 2017

Confirmed with a big file tern is slow I will review and improve this one.

carlituxcommented, May 19, 2018

@simonsmith sorry for delay could you confirm this with latest tern/deoplete/deoplete-ternjs versions.

I can’t reproduce it.

Read more comments on GitHub >

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