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nvim-config/fnl/init.fnl

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Fennel

;;; init.fnl - primary init file
;; Helpful keymaping functions
(macro bind! [mode key cmd ?a1 ?a2]
(let [desc (or ?a2 ?a1)
buf (if (and ?a1 ?a2) ?a1 ?a2)
opts { :noremap true
:silent true
:buffer buf }]
(when desc
(tset opts :desc desc))
`(vim.keymap.set ,mode ,key ,cmd ,opts)))
;; Make space leader
(set vim.g.mapleader " ")
(bind! :n :<space> :<nop>)
;; Enable lua filetype
(set vim.g.do_filetype_lua true)
;; Some options
; Make the mouse work
(set vim.opt.mouse :a)
(set vim.opt.mousemodel :extend)
; Ignore case when a query is all lower case
(set vim.opt.ignorecase true)
(set vim.opt.smartcase true)
; Enable line numbering
(set vim.opt.number true)
; Make <tab> insert 4 spaces
(set vim.opt.expandtab true)
(set vim.opt.tabstop 4)
(set vim.opt.shiftwidth 4)
(set vim.opt.shiftround true)
; Auto-indent
(set vim.opt.autoindent true)
(set vim.opt.smartindent true)
; Give context while scrolling
(set vim.opt.scrolloff 4)
(set vim.opt.sidescrolloff 8)
; Make splitting better
(set vim.opt.splitbelow true)
(set vim.opt.splitright true)
; 24 bit color support
(set vim.opt.termguicolors true)
; Shell like completions
(set vim.opt.wildmode [ :list :longest ])
; Set completion options
(set vim.opt.completeopt [ :menu :menuone :noselect ])
; Make buffers hide when abandoned
(set vim.opt.hidden true)
; Save undo data
(set vim.opt.undofile true)
; Text width
(set vim.opt.textwidth 80)
; Spell options
(set vim.opt.spelllang :en_us)
(set vim.opt.spelloptions :camel)
; Allow more freedom with the cursor
(set vim.opt.virtualedit :block)
;; Disable netrw
(set vim.g.loaded_netrw 1)
(set vim.g.loaded_netrwPlugin 1)
;; Remove trailing whitespace
(fn remove_trailing_whitespace []
"Remove trailing whitespace from the whole file."
(let [res (pcall vim.cmd "%s/ \\+$//gc")]
(vim.cmd.nohlsearch)
(when (not res)
(print "File is clean"))))
(vim.api.nvim_create_user_command :RemoveTrailingWhitespace
remove_trailing_whitespace {})
(bind! :n :<leader>ws remove_trailing_whitespace)
;; Spell keybindings
(bind! :n :<leader>l (fn []
(let [new_spell (not (vim.opt_local.spell:get))]
(set vim.opt_local.spell new_spell)
(print (if new_spell
"Enabled Spellcheck"
"Disabled Spellcheck")))))
(fn jump_or_open_terminal []
"If no terminal buffer exists, create one. Otherwise, open new one."
(var term_count 0)
(var last_id 0)
(var terms [ ])
(each [_ id (pairs (vim.api.nvim_list_bufs))]
(let [name (vim.api.nvim_buf_get_name id)]
(when (vim.startswith name "term://")
(table.insert terms name)
(set term_count (+ term_count 1))
(set last_id id))))
(if (= term_count 0)
(vim.cmd.terminal)
(= term_count 1)
(vim.cmd.buffer last_id)
(vim.ui.select terms
{ :prompt "Terminal Buffers" }
(fn [choice]
(when choice
(vim.cmd.buffer choice))))))
(bind! :n :<leader>t jump_or_open_terminal)
;; Some keybindings for diagnostics
(bind! :n :<leader>e vim.diagnostic.open_float)
(bind! :n "[d" vim.diagnostic.goto_prev)
(bind! :n "]d" vim.diagnostic.goto_next)
(bind! :n :<leader>q vim.diagnostic.setloclist)
;; Plugins (with packer.nvim)
(fn packer_init_callback [use]
;; Nicer macro for use
(macro use! [repo ...]
(local output [ repo ])
(var last_key nil)
(each [_ val (ipairs [...])]
(if last_key
(do (tset output last_key val)
(set last_key nil))
(set last_key val)))
`(use ,output))
;; Can be passed to :config of `use!'
;; to call a plugin's `setup' function
(macro setup! [pkg ...]
(local output [ ])
(var last_key nil)
(each [_ val (ipairs [...])]
(if last_key
(do (tset output last_key val)
(set last_key nil))
(set last_key val)))
(let [req_var (gensym)]
`((. (require ,pkg) :setup) ,output)))
;; Packer
(use! "wbthomason/packer.nvim")
;; Treesitter
(use! "nvim-treesitter/nvim-treesitter"
:config #(setup! "nvim-treesitter.configs"
:ensure_installed :all
:sync_install false
:auto_install true
:highlight { :enable true
:additional_vim_regex_highlighting false }
:indent { :enable true }))
;; nightfox.nvim (colorscheme)
(use! "EdenEast/nightfox.nvim"
:after "nvim-treesitter"
:config #(vim.cmd.colorscheme :carbonfox))
;; Devicons
(use! "kyazdani42/nvim-web-devicons")
;; lualine.nvim
(use! "nvim-lualine/lualine.nvim"
:after [ "nightfox.nvim" "nvim-web-devicons" ]
:config #(setup! :lualine
:options { :section_separators ""
:component_separators "│" }
:sections { :lualine_x [
{ 1 (fn []
(.. "recording @" (vim.fn.reg_recording)))
:cond (fn []
(not= (# (vim.fn.reg_recording)) 0)) }
:encoding
:fileformat
:filetype ]}))
;; bufferline.nvim
(use! "akinsho/bufferline.nvim"
:after [ "nvim-web-devicons" "nightfox.nvim" ]
:config #(setup! :bufferline
:options {
:always_show_bufferline false
:mode :tabs
:numbers :buffer-id
:show_buffer_close_icons false
:show_close_icon false }))
;; noice.nvim (ui overhaul)
(use! "folke/noice.nvim"
:config (fn []
(setup!
:noice
:lsp {
:override {
"vim.lsp.util.convert_input_to_markdown_lines" true
"vim.lsp.util.stylize_markdown" true
"cmp.entry.get_documentation" true }}
:presets {
:bottom_search true
:command_palette false
:long_message_to_split true
:inc_rename false
:lsp_doc_border false }
:cmdline {
:view :cmdline })
))
;; dressing.nvim (better prmpts)
(use! "stevearc/dressing.nvim"
:after "telescope.nvim"
:config #(setup! :dressing
:input { :insert_only true }))
;; Telescope
(use! "nvim-telescope/telescope.nvim"
:requires "nvim-lua/plenary.nvim"
:after "noice.nvim"
:config (fn []
(setup! :telescope
:defaults {
:mappings {
:i {
:<esc> :close
:<C-j> :move_selection_next
:<C-k> :move_selection_previous }
:n {
:<C-j> :move_selection_next
:<C-k> :move_selection_previous }}}
:pickers {
:buffers {
:sort_lastused true }}
:extensions {
:fzf {
:fuzzy true
:override_generic_sorter true
:override_file_sorter true
:case_mode :smart_case }})
(let [builtin (require :telescope.builtin)]
(bind! :n :<leader>fq builtin.quickfix)
(bind! :n :<leader>fr builtin.registers)
(bind! :n :<leader>fj builtin.jumplist)
(bind! :n :<leader>fa builtin.marks)
(bind! :n :<leader>fh builtin.help_tags)
(bind! :n :<leader>g builtin.live_grep)
(bind! :n :<leader>fg builtin.live_grep)
(bind! :n :<leader>G builtin.grep_string)
(bind! :n :<leader>fG builtin.grep_string)
(bind! :n :<leader>b builtin.buffers)
(bind! :n :gb builtin.buffers)
(bind! :n :<leader>fu builtin.git_status)
(bind! :n :<leader>fm builtin.man_pages)
(bind! :n :<leader>fe builtin.diagnostics)
(bind! :n :<leader>fp builtin.spell_suggest)
(bind! :n :<leader>i builtin.find_files)
(bind! :n :z= builtin.spell_suggest)
(local repo_check_cmd
"git rev-parse --is-inside-work-tree >/dev/null 2>&1")
(bind! :n :<leader>ff (fn []
(let [code (os.execute repo_check_cmd)]
(if (= code 0)
(builtin.git_files)
(builtin.find_files))))))
((. (require :telescope) :load_extension) :noice)))
;; Telescope fzf
(use! "nvim-telescope/telescope-fzf-native.nvim"
:after "telescope.nvim"
:run "make"
:config #((. (require :telescope) :load_extension) :fzf))
;; Nvim surround
(use! "kylechui/nvim-surround"
:config #(setup! :nvim-surround))
;; Leap
(use! "ggandor/leap.nvim"
:after "nvim-treesitter"
:config (fn []
((. (require :leap) :add_default_mappings))
(bind! :o :z "<plug>(leap-forward-to)")
(bind! :o :Z "<plug>(leap-backward-to)")
(vim.api.nvim_set_hl 0 :LeapBackdrop { :link :Comment })))
;; Leap spooky (remote operations)
(use! "ggandor/leap-spooky.nvim"
:after "leap.nvim"
:config #(setup! :leap-spooky))
;; Flit (leap for 'till' and 'forward' motions)
(use! "ggandor/flit.nvim"
:after "leap.nvim"
:config #(setup! :flit))
;; Snippy
(use! "dcampos/nvim-snippy"
:config (fn []
(let [map (require :snippy.mapping)]
(bind! [ :i :s ] :<tab> ((. map :next) :<tab>))
(bind! [ :i :s ] :<s-tab> (map.previous :<tab>)))))
;; nvim-cmp (autocomplete)
(use! "hrsh7th/nvim-cmp"
:requires [ "hrsh7th/cmp-buffer"
"hrsh7th/cmp-path"
"hrsh7th/cmp-cmdline" ]
:after [ "nvim-snippy"
"telescope.nvim" ]
:config (fn []
(let [cmp (require :cmp)
compare (require :cmp.config.compare)]
(cmp.setup
{ :snippet {
:expand
#((. (require :snippy) :expand_snippet) $1.body) }
:mapping {
:<C-b> (cmp.mapping (cmp.mapping.scroll_docs -4)
[ :i :c ])
:<C-f> (cmp.mapping (cmp.mapping.scroll_docs 4)
[ :i :c ])
:<C-space> (cmp.mapping (cmp.mapping.complete)
[ :i :c ])
:<C-e> (cmp.mapping (cmp.mapping.abort)
[ :i :c ])
:<CR> (cmp.mapping
(cmp.mapping.confirm { :select false })
[ :i :c ])
:<C-j> (cmp.mapping
(cmp.mapping.select_next_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ])
:<C-k> (cmp.mapping
(cmp.mapping.select_prev_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ])
:<C-n> (cmp.mapping
(cmp.mapping.select_next_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ])
:<C-p> (cmp.mapping
(cmp.mapping.select_prev_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ])
:<down> (cmp.mapping
(cmp.mapping.select_next_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ])
:<up> (cmp.mapping
(cmp.mapping.select_prev_item
{ :behavior cmp.SelectBehavior.Select })
[ :i :c ]) }
:sources (cmp.config.sources
{{ :name :nivm_lsp :priority 2 }
{ :name :snippy :priority 1 }
{ :name :buffer :priority 0 }
{ :name :path :priority 0 }})
:sorting {
:priority_weight 2
:comparators [
compare.score
compare.locality
compare.recently_used
compare.offset
compare.order
; compare.scopes
; compare.exact
; compare.sort_text
; compare.kind
; compare.length
]}})
(cmp.setup.cmdline :/
{ :mapping (cmp.mapping.preset.cmdline)
:sources (cmp.config.sources
[{ :name :buffer }])})
(cmp.setup.cmdline ::
{ :mapping (cmp.mapping.preset.cmdline)
:sources (cmp.config.sources
[{ :name :cmdline}
{ :name :path }])}))))
;; lspconfig
(fn [] lsp_config_callback
(fn get_data_dir [server root]
(let [resolved_path (vim.fn.resolve root)
joined_path (vim.fn.substitute resolved_path "\\/" "@" :g)]
(.. (vim.fn.fnamemodify (.. "~/.local/nvim/lsp-cache/"
server
"/"
:p)) joined_path)))
(fn on_attach [_ buf]
(bind! :n :gD vim.lsp.buf.declaration buf)
(bind! :n :gd vim.lsp.buf.definition buf)
(bind! :n :K vim.lsp.buf.hover buf)
(bind! :n :gI vim.lsp.buf.implementation buf)
(bind! :n :<C-k> vim.lsp.buf.signature_help buf)
(bind! :n :<leader>wa vim.lsp.buf.add_workspace_folder buf)
(bind! :n :<leader>wr vim.lsp.buf.remove_workspace_folder buf)
(bind! :n :<leader>wl #(print (vim.inspect
(vim.lsp.buf.list_workspace_folders))) buf)
(bind! :n :<leader>D vim.lsp.buf.type_definition buf)
(bind! :n :<leader>rn vim.lsp.buf.rename buf)
(bind! :n :<leader>cn vim.lsp.buf.code_action buf)
; (bind! :n :gr vim.lsp.buf.references buf)
(bind! :n :<leader>o #(vim.lsp.buf.format { :async true }) buf)
;; Some telescope commands
(let [builtin (require :telescope.builtin)]
(bind! :n :gr builtin.lsp_references buf)
(bind! :n :<leader>s builtin.lsp_dynamic_workspace_symbols buf)
(bind! :n :<leader>fs builtin.lsp_dynamic_workspace_symbols buf)
(bind! :n :<leader>fS builtin.lsp_workspace_symbols buf)
(bind! :n :<leader>d builtin.lsp_document_symbols buf)
(bind! :n :<leader>fd builtin.lsp_document_symbols buf)))
(let [lsp (require :lspconfig)
lsp_cap ((. (require :cmp_nvim_lsp) :default_capabilities))
default_config { :on_attach on_attach
:capabilities lsp_cap }]
nil))
(use! "neovim/nvim-lspconfig"
:requires "hrsh7th/cmp-nvim-lsp"
:after "nvim-cmp"
:config lsp_config_callback))
(vim.cmd.packadd "packer.nvim")
(let [packer (require :packer)]
(packer.startup packer_init_callback))