Connect with many developers from the small plugin

VimConf2019 Lightning talk

Transcript

1. Connect with
   many developers
   from the small plugin
   VimConf 2019 Lightning Talk
   @lighttiger2505
   

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2. deoplete-vim-lsp
   • Completion source for deoplete.nvim
   • Get a completion candidate from language
   server via vim-lsp
   

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3. Demo
   

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4. It's a small plugin
   • deoplete-vim-lsp is small amount of
   source code
   • Python: 175 step
   • Vim script: 32 step
   

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5. Big developer experience
   • Suppurt completion all languages
   • Required language server
   • High performance completion
   • Heavy processing is executed
   asynchronously
   

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6. Why ?
   I only write a little code
   

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7. The answer is in the
   architecture of
   deoplete-vim-lsp
   

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8. Archtecture deoplete-vim-lsp
   (Request completion)
   NeoVim deoplete.nvim deoplete-vim-lsp vim-lsp Language
   Server
   TextChange
   call
   getter_candidates()
   call
   lsp#send_request()
   textDocument/
   Completion
   

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9. deoplete-vim-lsp
   NeoVim deoplete.nvim vim-lsp Language
   Server
   Archtecture deoplete-vim-lsp
   (Receive completion candidate)
   call
   complete()
   call
   deoplete#auto_complete()
   call
   handle_completion()
   response
   

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10. Meny depends
    • deoplete-vim-lsp dose not work alone
    • Completion Management
    • deoplete.nvim
    • Language Server Client
    • vim-lsp
    

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11. Feel so a connection
    with the developers
    • If any of these are missing deoplete-vim-lsp
    does not exist
    • I have noticed that you are supported by
    many developers
    • Everything was connected !!!
    

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12. Connections
    Everything started with Vim
    Vim
    

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13. Connections
    NeoVim
    Vim
    NeoVim was created with Vim as the
    fork. NeoVim had a new feature called
    remote plugin
    

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14. Connections
    NeoVim
    Vim
    deoplete.nvim
    deoplete.nvim was created as completion
    manager created by remote plugin
    

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15. Connections
    NeoVim
    Vim
    deoplete.nvim
    LSP
    Langage server protocol(LSP) creates
    providing a high level of support for any
    programming language in any editor.
    

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16. Connections
    NeoVim
    Vim
    deoplete.nvim
    LSP
    vim-lsp
    vim-lsp was created as Vim language
    server client
    

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17. Connections
    NeoVim
    Vim
    deoplete.nvim
    LSP
    vim-lsp
    deoplete-vim-lsp
    I created deoplete-vim-lsp to use vim-
    lsp completion in deoplete.nvim
    

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18. Summry
    • deoplete-vim-lsp is small plugin
    • Because other plugins already have the
    necessary features
    • I'm helped by the ecosystem of Vim created
    by the developers
    

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19. Thanks to
    all Vim developers
    

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20. About me
    • @lighttiger2505 (Toshikazu Ohashi)
    • Server Side Engineer (iRidge inc)
    • Created Many CLI Commands
    • Created deoplete-vim-lsp
    

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