Medium-Setting Up Neovim for Web Development - 3

lspconfig.lua

-- options for lsp diagnostic
vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
  vim.lsp.diagnostic.on_publish_diagnostics, {
    underline = true,
    signs = true,
    update_in_insert = true,
    virtual_text = {
        true,
        spacing = 6,
        --severity_limit='Error'  -- Only show virtual text on error
    },
  }
)

-- se LSP diagnostic symbols/signs
vim.api.nvim_command [[ sign define LspDiagnosticsSignError         text=✗ texthl=LspDiagnosticsSignError       linehl= numhl= ]]
vim.api.nvim_command [[ sign define LspDiagnosticsSignWarning       text=⚠ texthl=LspDiagnosticsSignWarning     linehl= numhl= ]]
vim.api.nvim_command [[ sign define LspDiagnosticsSignInformation   text= texthl=LspDiagnosticsSignInformation linehl= numhl= ]]
vim.api.nvim_command [[ sign define LspDiagnosticsSignHint          text= texthl=LspDiagnosticsSignHint        linehl= numhl= ]]




-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
On_attach = function(client, bufnr)

  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

  -- Enable completion triggered by <c-x><c-o>
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }

  -- See `:help vim.lsp.*` for documentation on any of the below functions
--─────────────────────────────────────────────────--
  buf_set_keymap('n', '<space>e',   '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>',  opts)
  buf_set_keymap('n', '[d',         '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>',              opts)
  buf_set_keymap('n', ']d',         '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>',              opts)
  buf_set_keymap('n', '<space>q',   '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>',            opts)

  buf_set_keymap('n', 'gD',         '<Cmd>lua vim.lsp.buf.declaration()<CR>',                   opts)
  buf_set_keymap('n', 'gd',         '<Cmd>lua vim.lsp.buf.definition()<CR>',                    opts)
  buf_set_keymap('n', 'K',          '<Cmd>lua vim.lsp.buf.hover()<CR>',                         opts)
  buf_set_keymap('n', 'gi',         '<cmd>lua vim.lsp.buf.implementation()<CR>',                opts)
  buf_set_keymap('n', '[ls',        '<cmd>lua vim.lsp.buf.signature_help()<CR>',                opts)
  buf_set_keymap('n', '<space>D',   '<cmd>lua vim.lsp.buf.type_definition()<CR>',               opts)
  buf_set_keymap('n', '<space>rn',  '<cmd>lua vim.lsp.buf.rename()<CR>',                        opts)
  buf_set_keymap('n', 'gr',         '<cmd>lua vim.lsp.buf.references()<CR>',                    opts)
  buf_set_keymap("n", "<space>f",   '<cmd>lua vim.lsp.buf.formatting()<CR>',                    opts)

end

Setting Up Neovim for Web Development
https://xlwe.medium.com/setting-up-neovim-for-web-development-70c57c3d7d61