Configure tabSize in jsonls

Nizmox · September 17, 2021, 7:44am

Hi there,

Apologies if this is a dumb question, but I am using nvim-lspconfig to configure the json language server (jsonls). Contrary to the documentation, it seems like autoformatting is enabled by default, so on save my entire .json file gets reformatted which is great.
However, my work requires 4 space indentation and it formats with 2 spaces. I have trawled what documentation I can find online and cannot find any way to change this to 4 spaces. Is this possible?

Alternatively I will turn off formatting with jsonls and revert to using prettier.

Regards
Simon

muniter · September 17, 2021, 5:02pm

Autoformmatting is not enabled by default. You must have something on your configuration that does.

:help vim.lsp.buf.range_formatting() specifies some options where you can define what you are looking for. But it also defaults to nvim options for the current options. Like shiftwidth, tabstop so if you set those right it should just work.

Nizmox · September 19, 2021, 11:09pm

Hi there,

Thanks, I managed to fix it in the end. It implied that json formatting only works with range formatting but it definitely works with .formatting() also. I need a better solution but this works for now.

github.com

s-taylor/dotfiles/blob/master/nvim/lua/lsp/on_attach.lua#L8

    
      
          -- https://github.com/neovim/nvim-lspconfig#keybindings-and-completion
          return function(client, bufnr)
            -- autoformat on save
            -- FormattingOptions https://microsoft.github.io/language-server-protocol/specification
            if client.resolved_capabilities.document_formatting then
              vim.cmd [[augroup Format]]
              vim.cmd [[autocmd! * <buffer>]]
              vim.cmd [[autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting({ tabSize = 4 })]]
              -- vim.cmd [[autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()]]
              vim.cmd [[augroup END]]
            end
          
          
  -- setup lsp signature
            -- https://github.com/ray-x/lsp_signature.nvim#attach-the-plugin
            require("lsp_signature").on_attach({hint_enable = false})
          
          
  local function buf_set_keymap(...)
              vim.api.nvim_buf_set_keymap(bufnr, ...)

Cheers

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Configure tabSize in jsonls

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