nvim

init.lua

local function load_plugins()
    require('packer').startup(function()
        -- Packer can manage itself
        use 'wbthomason/packer.nvim'
        use "neovim/nvim-lspconfig"
        use "nvim-treesitter/nvim-treesitter"
        use {
            'nvim-tree/nvim-tree.lua',
            requires = {
                'nvim-tree/nvim-web-devicons', -- optional, for file icons
            },
            tag = 'nightly' -- optional, updated every week. (see issue #1193)
        }
        use {
            'nvim-telescope/telescope.nvim', tag = '0.1.0',
            requires = { {'nvim-lua/plenary.nvim'} }
        }
        use 'lervag/wiki.vim'
        use 'ojroques/nvim-hardline'
    end)
end

local load_config = function()
    -- disable netrw at the very start of your init.lua (strongly advised)
    vim.g.loaded_netrw = 1
    vim.g.loaded_netrwPlugin = 1
    vim.opt.termguicolors = true
    vim.opt.syntax = 'on'
    vim.opt.hidden = true
    vim.opt.tabstop = 4
    vim.opt.softtabstop = 4
    vim.opt.shiftwidth = 4
    vim.opt.expandtab = true
    vim.opt.smartindent = true
    vim.opt.number = false
    vim.opt.completeopt = 'menu,menuone,noselect'
    vim.opt.cmdheight = 2
    vim.opt.linebreak = true

    vim.cmd('colorscheme desert')
    vim.g.wiki_root = '~/Documents/Notes'
    vim.g.wiki_filetypes = {'md'}
    vim.g.wiki_link_extension = '.md'

    -- mappings
    local opts = { noremap=true, silent=true }
    local builtin = require('telescope.builtin')
    vim.keymap.set('n', '<leader>ff', builtin.find_files, opts)
    vim.keymap.set('n', '<leader>fg', builtin.live_grep, opts)
    vim.keymap.set('n', '<leader>fb', builtin.buffers, opts)
    vim.keymap.set('n', '<leader>fh', builtin.help_tags, opts)
    vim.keymap.set('n', '<C-p>', builtin.find_files, opts)
    vim.keymap.set('n', '<C-o>', ':NvimTreeToggle<CR>', opts)
    vim.keymap.set("n", "<S-h>", ":bp<CR>", opts)
    vim.keymap.set("n", "<S-l>", ":bn<CR>", opts)

    -- Set up plugins
    require("nvim-tree").setup {}
    require("hardline").setup {
        bufferline = true
    }
    -- Use an on_attach function to only map the following keys
    -- after the language server attaches to the current buffer
    local lspconfig_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')
        local bufopts = { noremap=true, silent=true, buffer=bufnr }
        vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
        vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
        vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
        vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
        vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
        vim.keymap.set('n', '<space>K', vim.lsp.buf.signature_help, bufopts)
        vim.keymap.set('n', 'gt', vim.lsp.buf.type_definition, bufopts)
        vim.keymap.set('n', '<F2>', vim.lsp.buf.rename, 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', '<space>f', vim.lsp.buf.formatting, bufopts)
        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)
    end
    -- # Set up individual LSP servers
    require('lspconfig').pylsp.setup {
        on_attach = lspconfig_on_attach
    }
    require('lspconfig').quick_lint_js.setup {
        on_attach = lspconfig_on_attach
    }
    require('lspconfig').java_language_server.setup {
        on_attach = lspconfig_on_attach,
        cmd = { "/home/salil/Code/Java/java-language-server/dist/lang_server_linux.sh" }
    }
end

load_plugins()
load_config()