luainit.lua

local nvim_lsp = require'lspconfig'
local cmp = require'cmp'
local telescope = require'telescope'


local lsp_sig_config = {
  hint_enable = false,
  handler_opts = {
    border = "none",
  }
}

local 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

  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }
  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', '<space>lk', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<space>lwa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>lwr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>lw', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', '<space>lr', '<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>e', '<cmd>lua vim.diagnostic.open_float()<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>lq', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)

  -- Set some keybinds conditional on server capabilities
  if client.resolved_capabilities.document_formatting then
    buf_set_keymap("n", "<space>lf", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
  elseif client.resolved_capabilities.document_range_formatting then
    buf_set_keymap("n", "<space>lf", "<cmd>lua vim.lsp.buf.range_formatting()<CR>", opts)
  end
  -- Set autocommands conditional on server_capabilities
  if client.resolved_capabilities.document_highlight then
    vim.api.nvim_exec([[
      hi LspReferenceRead cterm=bold ctermbg=red guibg=#44475a
      hi LspReferenceText cterm=bold ctermbg=red guibg=#44475a
      hi LspReferenceWrite cterm=bold ctermbg=red guibg=#44475a
      augroup lsp_document_highlight
        autocmd! * <buffer>
        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
      augroup END
    ]], false)
  end

  require "lsp_signature".on_attach(lsp_sig_config)
end


cmp.setup({
    snippet = {
      -- REQUIRED - you must specify a snippet engine
      expand = function(args)
        vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
        -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
        -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
        -- require'snippy'.expand_snippet(args.body) -- For `snippy` users.
      end,
    },
    mapping = {
      ['<Tab>'] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
      ['<S-Tab>'] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert }),
      ['<C-j>'] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
      ['<C-k>'] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert }),
      ['<CR>'] = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true})
    },
    sources = {
      { name = 'nvim_lsp', max_item_count = 3},
      { name = 'buffer', max_item_count = 2},
      { name = 'path', max_item_count = 1},
    }
})

nvim_lsp.pyright.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = on_attach,
  settings = {
    python = {
      analysis = {
        autoSearchPaths = true,
        useLibraryCodeForTypes = true,
        typeCheckingMode = "off",
        diagnosticMode = "openFilesOnly",
    }
    }
  }
}

nvim_lsp.tsserver.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = on_attach
}

nvim_lsp.vimls.setup {
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = on_attach
}

nvim_lsp.rust_analyzer.setup{
  capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities()),
  on_attach = on_attach
}


require'nvim-treesitter.configs'.setup {
  highlight = { enable = true, },
  playground = {
    enable = true,
    disable = {},
    updatetime = 25, -- Debounced time for highlighting nodes in the playground from source code
    persist_queries = false, -- Whether the query persists across vim sessions
    keybindings = {
      toggle_query_editor = 'o',
      toggle_hl_groups = 'i',
      toggle_injected_languages = 't',
      toggle_anonymous_nodes = 'a',
      toggle_language_display = 'I',
      focus_language = 'f',
      unfocus_language = 'F',
      update = 'R',
      goto_node = '<cr>',
      show_help = '?',
    },
  }
}

require'lualine'.setup{
  options = {
    theme = 'dracula',
    section_separators = "",
    component_separators = "",
    globalstatus = true,
  },
  sections = {
    lualine_a = { {'mode', upper = true} },
    lualine_b = { {'branch'} },
    lualine_c = { {'filename', file_status = true}, {'diagnostics', sources={"nvim_diagnostic"}}},
    lualine_x = { 'diff', 'fileformat', 'filetype' },
    lualine_y = { 'progress' },
    lualine_z = { 'location' },
  },
  extensions = { 'fzf' }
}

require'bufferline'.setup{
  options={
    diagnostics = "nvim_diagnostic",
    show_close_icon = false,
    always_show_bufferline = false,
  }
}

require('gitsigns').setup {
  signs = {
    add          = {hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'},
    change       = {hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
    delete       = {hl = 'GitSignsDelete', text = '_', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    topdelete    = {hl = 'GitSignsDelete', text = '‾', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
    changedelete = {hl = 'GitSignsChange', text = '~', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
  },
  numhl = false,
  linehl = false,
  keymaps = {
    -- Default keymap options
    noremap = true,
    buffer = true,

    ['n ]c'] = { expr = true, "&diff ? ']c' : '<cmd>lua require\"gitsigns.actions\".next_hunk()<CR>'"},
    ['n [c'] = { expr = true, "&diff ? '[c' : '<cmd>lua require\"gitsigns.actions\".prev_hunk()<CR>'"},

    ['n <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk()<CR>',
    ['v <leader>hs'] = '<cmd>lua require"gitsigns".stage_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hu'] = '<cmd>lua require"gitsigns".undo_stage_hunk()<CR>',
    ['n <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk()<CR>',
    ['v <leader>hr'] = '<cmd>lua require"gitsigns".reset_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
    ['n <leader>hR'] = '<cmd>lua require"gitsigns".reset_buffer()<CR>',
    ['n <leader>hp'] = '<cmd>lua require"gitsigns".preview_hunk()<CR>',
    ['n <leader>hb'] = '<cmd>lua require"gitsigns".blame_line(true)<CR>',

    -- Text objects
    ['o ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>',
    ['x ih'] = ':<C-U>lua require"gitsigns.actions".select_hunk()<CR>'
  },
  watch_gitdir = {
    interval = 1000,
    follow_files = true
  },
  current_line_blame = false,
  current_line_blame_opts = {
    virt_text = true,
    virt_text_pos = 'eol', -- 'eol' | 'overlay' | 'right_align'
    delay = 1000,
    ignore_whitespace = false,
  },
  sign_priority = 6,
  update_debounce = 100,
  status_formatter = nil, -- Use default
  word_diff = false,
}

require("indent_blankline").setup {
    show_current_context = true,
}


telescope.setup{
    defaults = {
        layout_strategy = 'vertical',
        layout_config = { height = 0.95 , width = 0.95},
    },
}

telescope.load_extension('fzf')