nvim init.lua

init.lua

vim.cmd [[packadd packer.nvim]]

vim.bo.omnifunc = 'v:lua.vim.lsp.omnifunc'

local o = vim.o

o.expandtab = true
o.smartindent = true
o.tabstop = 2
o.shiftwidth = 2


return require('packer').startup(function()
  -- Packer can manage itself
  use 'wbthomason/packer.nvim'
  use 'neovim/nvim-lspconfig' -- Configurations for Nvim LSP
  use 'purescript-contrib/purescript-vim'

  local opts = { noremap=true, silent=true }
  vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
  vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
  vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
  vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

  -- Use an on_attach function to only map the following keys
  -- after the language server attaches to the current buffer
  local on_attach = function(client, bufnr)
    -- Enable completion triggered by <c-x><c-o>
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

    -- Mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    local bufopts = { noremap=true, silent=true, buffer=bufnr }
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
    vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
    vim.keymap.set('n', '<space>wl', function()
      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, bufopts)
    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
    vim.keymap.set('n', '<space>f', vim.lsp.buf.formatting, bufopts)
  end

  local lsp_flags = {
    -- This is the default in Nvim 0.7+
    debounce_text_changes = 150,
  }

  require('lspconfig').purescriptls.setup{
    on_attach = on_attach,
    lsp_flags = lsp_flags,
  }

  require('lspconfig').rls.setup{
    on_attach = on_attach,
    lsp_flags = lsp_flags,
  }

  require('packer').sync()
end)