Improved fzf.vim written in lua forked from (github) ibhagwan/fzf-lua
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README.md

fzf lua

Neovim version

InstallationUsageCommandsCustomizationWiki

Demo

fzf changed my command life, it can change yours too, if you allow it.

Rationale

What more can be said about fzf? It is the single most impactful tool for my command line workflow, once I started using fzf I couldn’t see myself living without it.

To understand fzf properly I highly recommended fzf screencast by @samoshkin

This is my take on the original fzf.vim, written in lua for neovim 0.5, it builds on the elegant nvim-fzf as an async interface to create a performant and lightweight fzf client for neovim that rivals any of the new shiny fuzzy finders for neovim.

Why Fzf-Lua

... and not telescope or any other vim/neovim household name?

As @junegunn himself put it, “because you can and you love fzf”.

If you’re happy with your current setup there is absolutely no reason to switch.

That said, without taking anything away from the greatness of other plugins I found it more efficient having a uniform experience between my shell and my nvim. In addition fzf has been a rock for me since I started using it and hadn’t failed me once, it never hangs and can handle almost anything you throw at it. That, and colorful file icons and git indicators!.

Dependencies

fzf version > 0.27 is recommended but it's still possible to use fzf version > 0.25 by setting fzf_opts = { ['--border'] = false }, see Customization.

Optional dependencies

  • fd - better find utility
  • rg - better grep utility
  • bat - syntax highlighted previews when using fzf's native previewer
  • delta - syntax highlighted git pager for git status previews
  • viu - terminal image previews (needs to be configured via previewer.builtin.extensions)
  • ueberzug - X11 image previews (needs to be configured via previewer.builtin.extensions)
  • nvim-dap - for Debug Adapter Protocol (DAP) support

Installation

Using vim-plug

Plug 'ibhagwan/fzf-lua', {'branch': 'main'}
" optional for icon support
Plug 'kyazdani42/nvim-web-devicons'

Using packer.nvim

use { 'ibhagwan/fzf-lua',
  -- optional for icon support
  requires = { 'kyazdani42/nvim-web-devicons' }
}

Note: if you already have fzf installed you do not need to install fzf or fzf.vim, however if you do not have it installed, you only need fzf which can be installed with (fzf.vim is not a requirement nor conflict):

Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }

or with packer.nvim:

use = { 'junegunn/fzf', run = './install --bin', }

Usage

Fzf-lua aims to be as plug and play as possible with sane defaults, you can run any fzf-lua command like this:

:lua require('fzf-lua').files()
-- or using the `FzfLua` vim command:
:FzfLua files

or with arguments:

:lua require('fzf-lua').files({ cwd = '~/.config' })
-- or using the `FzfLua` vim command:
:FzfLua files cwd=~/.config

which can be easily mapped to:

nnoremap <c-P> <cmd>lua require('fzf-lua').files()<CR>

or if using init.lua:

vim.api.nvim_set_keymap('n', '<c-P>',
    "<cmd>lua require('fzf-lua').files()<CR>",
    { noremap = true, silent = true })

Commands

Buffers and Files

Command List
buffers open buffers
files find or fd on a path
oldfiles opened files history
quickfix quickfix list
loclist location list
lines open buffers lines
blines current buffer lines
tabs open tabs
args argument list
Command List
grep search for a pattern with grep or rg
grep_last run search again with the last pattern
grep_cword search word under cursor
grep_cWORD search WORD under cursor
grep_visual search visual selection
grep_project search all project lines (fzf.vim's :Rg)
grep_curbuf search current buffer lines
lgrep_curbuf live grep current buffer
live_grep live grep current project
live_grep_resume live grep continue last search
live_grep_glob live_grep with rg --glob support
live_grep_native performant version of live_grep

Tags

Command List
tags search project tags
btags search buffer tags
tags_grep grep project tags
tags_grep_cword tags_grep word under cursor
tags_grep_cWORD tags_grep WORD under cursor
tags_grep_visual tags_grep visual selection
tags_live_grep live grep project tags

Git

Command List
git_files git ls-files
git_status git status
git_commits git commit log (project)
git_bcommits git commit log (buffer)
git_branches git branches
git_stash git stash

LSP/Diagnostics

Command List
lsp_references References
lsp_definitions Definitions
lsp_declarations Declarations
lsp_typedefs Type Definitions
lsp_implementations Implementations
lsp_document_symbols Document Symbols
lsp_workspace_symbols Workspace Symbols
lsp_live_workspace_symbols Workspace Symbols (live query)
lsp_code_actions Code Actions
lsp_incoming_calls Incoming Calls
lsp_outgoing_calls Outgoing Calls
diagnostics_document Document Diagnostics
diagnostics_workspace Workspace Diagnostics
lsp_document_diagnostics alias to diagnostics_document
lsp_workspace_diagnostics alias to diagnostics_workspace

Misc

Command List
resume resume last command/query
builtin fzf-lua builtin commands
help_tags help tags
man_pages man pages
colorschemes color schemes
highlights highlight groups
commands neovim commands
command_history command history
search_history search history
marks :marks
jumps :jumps
changes :changes
registers :registers
tagstack :tags
keymaps key mappings
filetypes filetypes
menus menus
spell_suggest spelling suggestions
packadd :packadd

Neovim API

:help vim.ui.select for more info

Command List
register_ui_select register fzf-lua as the UI interface for vim.ui.select
deregister_ui_select de-register fzf-lua with vim.ui.select

nvim-dap

Requires nvim-dap

Command List
dap_commands list,run nvim-dap builtin commands
dap_configurations list,run debug configurations
dap_breakpoints list,delete breakpoints
dap_variables active session variables
dap_frames active session jump to frame

Customization

ADVANCED CUSTOMIZATION : to create your own fzf-lua commands see Wiki/ADVANCED

Customization can be achieved by calling the setup() function (optional) or individually sending parameters to a builtin command, A few examples below:

Different fzf layout:

:lua require('fzf-lua').files({ fzf_opts = {['--layout'] = 'reverse-list'} })

Using files with a different command and working directory:

:lua require'fzf-lua'.files({ prompt="LS> ", cmd = "ls", cwd="~/<folder>" })

Using live_grep with git grep:

:lua require'fzf-lua'.live_grep({ cmd = "git grep --line-number --column --color=always" })

colorschemes with non-default window size:

:lua require'fzf-lua'.colorschemes({ winopts = { height=0.33, width=0.33 } })

Use setup() If you wish for a setting to persist and not have to send it using the call arguments, e.g:

require('fzf-lua').setup{
  winopts = {
    ...
  }
}

Can also be called from a .vim file:

lua << EOF
require('fzf-lua').setup{
  ...
}
EOF

Default Options

Below is a list of most (still, not all default settings), please also consult the issues if there's something you need and you can't find as there have been many obscure requests which have been fulfilled and are yet to be documented. If you're still having issues and/or questions do not hesitate to open an issue and I'll be more than happy to help.

CLICK HERE TO EXPLORE THE DEFAULT OPTIONS
local actions = require "fzf-lua.actions"
require'fzf-lua'.setup {
  -- fzf_bin         = 'sk',            -- use skim instead of fzf?
                                        -- https://github.com/lotabout/skim
  global_resume      = true,            -- enable global `resume`?
                                        -- can also be sent individually:
                                        -- `<any_function>.({ gl ... })`
  global_resume_query = true,           -- include typed query in `resume`?
  winopts = {
    -- split         = "belowright new",-- open in a split instead?
                                        -- "belowright new"  : split below
                                        -- "aboveleft new"   : split above
                                        -- "belowright vnew" : split right
                                        -- "aboveleft vnew   : split left
    -- Only valid when using a float window
    -- (i.e. when 'split' is not defined, default)
    height           = 0.85,            -- window height
    width            = 0.80,            -- window width
    row              = 0.35,            -- window row position (0=top, 1=bottom)
    col              = 0.50,            -- window col position (0=left, 1=right)
    -- border argument passthrough to nvim_open_win(), also used
    -- to manually draw the border characters around the preview
    -- window, can be set to 'false' to remove all borders or to
    -- 'none', 'single', 'double', 'thicc' or 'rounded' (default)
    border           = { '╭', '─', '╮', '│', '╯', '─', '╰', '│' },
    fullscreen       = false,           -- start fullscreen?
    -- highlights should optimally be set by the colorscheme using
    -- FzfLuaXXX highlights. If your colorscheme doesn't set these
    -- or you wish to override its defaults use these:
    --[[ hl = {
      normal         = 'Normal',        -- window normal color (fg+bg)
      border         = 'FloatBorder',   -- border color
      help_normal    = 'Normal',        -- <F1> window normal
      help_border    = 'FloatBorder',   -- <F1> window border
      -- Only used with the builtin previewer:
      cursor         = 'Cursor',        -- cursor highlight (grep/LSP matches)
      cursorline     = 'CursorLine',    -- cursor line
      cursorlinenr   = 'CursorLineNr',  -- cursor line number
      search         = 'IncSearch',     -- search matches (ctags|help)
      title          = 'Normal',        -- preview border title (file/buffer)
      -- Only used with 'winopts.preview.scrollbar = 'float'
      scrollfloat_e  = 'PmenuSbar',     -- scrollbar "empty" section highlight
      scrollfloat_f  = 'PmenuThumb',    -- scrollbar "full" section highlight
      -- Only used with 'winopts.preview.scrollbar = 'border'
      scrollborder_e = 'FloatBorder',   -- scrollbar "empty" section highlight
      scrollborder_f = 'FloatBorder',   -- scrollbar "full" section highlight
    }, ]]
    preview = {
      -- default     = 'bat',           -- override the default previewer?
                                        -- default uses the 'builtin' previewer
      border         = 'border',        -- border|noborder, applies only to
                                        -- native fzf previewers (bat/cat/git/etc)
      wrap           = 'nowrap',        -- wrap|nowrap
      hidden         = 'nohidden',      -- hidden|nohidden
      vertical       = 'down:45%',      -- up|down:size
      horizontal     = 'right:60%',     -- right|left:size
      layout         = 'flex',          -- horizontal|vertical|flex
      flip_columns   = 120,             -- #cols to switch to horizontal on flex
      -- Only used with the builtin previewer:
      title          = true,            -- preview border title (file/buf)?
      title_align    = "left",          -- left|center|right, title alignment
      scrollbar      = 'float',         -- `false` or string:'float|border'
                                        -- float:  in-window floating border
                                        -- border: in-border chars (see below)
      scrolloff      = '-2',            -- float scrollbar offset from right
                                        -- applies only when scrollbar = 'float'
      scrollchars    = {'█', '' },      -- scrollbar chars ({ <full>, <empty> }
                                        -- applies only when scrollbar = 'border'
      delay          = 100,             -- delay(ms) displaying the preview
                                        -- prevents lag on fast scrolling
      winopts = {                       -- builtin previewer window options
        number            = true,
        relativenumber    = false,
        cursorline        = true,
        cursorlineopt     = 'both',
        cursorcolumn      = false,
        signcolumn        = 'no',
        list              = false,
        foldenable        = false,
        foldmethod        = 'manual',
      },
    },
    on_create = function()
      -- called once upon creation of the fzf main window
      -- can be used to add custom fzf-lua mappings, e.g:
      --   vim.api.nvim_buf_set_keymap(0, "t", "<C-j>", "<Down>",
      --     { silent = true, noremap = true })
    end,
  },
  keymap = {
    -- These override the default tables completely
    -- no need to set to `false` to disable a bind
    -- delete or modify is sufficient
    builtin = {
      -- neovim `:tmap` mappings for the fzf win
      ["<F1>"]        = "toggle-help",
      ["<F2>"]        = "toggle-fullscreen",
      -- Only valid with the 'builtin' previewer
      ["<F3>"]        = "toggle-preview-wrap",
      ["<F4>"]        = "toggle-preview",
      -- Rotate preview clockwise/counter-clockwise
      ["<F5>"]        = "toggle-preview-ccw",
      ["<F6>"]        = "toggle-preview-cw",
      ["<S-down>"]    = "preview-page-down",
      ["<S-up>"]      = "preview-page-up",
      ["<S-left>"]    = "preview-page-reset",
    },
    fzf = {
      -- fzf '--bind=' options
      ["ctrl-z"]      = "abort",
      ["ctrl-u"]      = "unix-line-discard",
      ["ctrl-f"]      = "half-page-down",
      ["ctrl-b"]      = "half-page-up",
      ["ctrl-a"]      = "beginning-of-line",
      ["ctrl-e"]      = "end-of-line",
      ["alt-a"]       = "toggle-all",
      -- Only valid with fzf previewers (bat/cat/git/etc)
      ["f3"]          = "toggle-preview-wrap",
      ["f4"]          = "toggle-preview",
      ["shift-down"]  = "preview-page-down",
      ["shift-up"]    = "preview-page-up",
    },
  },
  actions = {
    -- These override the default tables completely
    -- no need to set to `false` to disable an action
    -- delete or modify is sufficient
    files = {
      -- providers that inherit these actions:
      --   files, git_files, git_status, grep, lsp
      --   oldfiles, quickfix, loclist, tags, btags
      --   args
      -- default action opens a single selection
      -- or sends multiple selection to quickfix
      -- replace the default action with the below
      -- to open all files whether single or multiple
      -- ["default"]     = actions.file_edit,
      ["default"]     = actions.file_edit_or_qf,
      ["ctrl-s"]      = actions.file_split,
      ["ctrl-v"]      = actions.file_vsplit,
      ["ctrl-t"]      = actions.file_tabedit,
      ["alt-q"]       = actions.file_sel_to_qf,
      ["alt-l"]       = actions.file_sel_to_ll,
    },
    buffers = {
      -- providers that inherit these actions:
      --   buffers, tabs, lines, blines
      ["default"]     = actions.buf_edit,
      ["ctrl-s"]      = actions.buf_split,
      ["ctrl-v"]      = actions.buf_vsplit,
      ["ctrl-t"]      = actions.buf_tabedit,
    }
  },
  fzf_opts = {
    -- options are sent as `<left>=<right>`
    -- set to `false` to remove a flag
    -- set to '' for a non-value flag
    -- for raw args use `fzf_args` instead
    ['--ansi']        = '',
    ['--info']        = 'inline',
    ['--height']      = '100%',
    ['--layout']      = 'reverse',
    ['--border']      = 'none',
  },
  -- fzf '--color=' options (optional)
  --[[ fzf_colors = {
      ["fg"]          = { "fg", "CursorLine" },
      ["bg"]          = { "bg", "Normal" },
      ["hl"]          = { "fg", "Comment" },
      ["fg+"]         = { "fg", "Normal" },
      ["bg+"]         = { "bg", "CursorLine" },
      ["hl+"]         = { "fg", "Statement" },
      ["info"]        = { "fg", "PreProc" },
      ["prompt"]      = { "fg", "Conditional" },
      ["pointer"]     = { "fg", "Exception" },
      ["marker"]      = { "fg", "Keyword" },
      ["spinner"]     = { "fg", "Label" },
      ["header"]      = { "fg", "Comment" },
      ["gutter"]      = { "bg", "Normal" },
  }, ]]
  previewers = {
    cat = {
      cmd             = "cat",
      args            = "--number",
    },
    bat = {
      cmd             = "bat",
      args            = "--style=numbers,changes --color always",
      theme           = 'Coldark-Dark', -- bat preview theme (bat --list-themes)
      config          = nil,            -- nil uses $BAT_CONFIG_PATH
    },
    head = {
      cmd             = "head",
      args            = nil,
    },
    git_diff = {
      cmd_deleted     = "git diff --color HEAD --",
      cmd_modified    = "git diff --color HEAD",
      cmd_untracked   = "git diff --color --no-index /dev/null",
      -- uncomment if you wish to use git-delta as pager
      -- can also be set under 'git.status.preview_pager'
      -- pager        = "delta --width=$FZF_PREVIEW_COLUMNS",
    },
    man = {
      -- NOTE: remove the `-c` flag when using man-db
      cmd             = "man -c %s | col -bx",
    },
    builtin = {
      syntax          = true,         -- preview syntax highlight?
      syntax_limit_l  = 0,            -- syntax limit (lines), 0=nolimit
      syntax_limit_b  = 1024*1024,    -- syntax limit (bytes), 0=nolimit
      limit_b         = 1024*1024*10, -- preview limit (bytes), 0=nolimit
      -- preview extensions using a custom shell command:
      -- for example, use `viu` for image previews
      -- will do nothing if `viu` isn't executable
      extensions      = {
        -- neovim terminal only supports `viu` block output
        ["png"]       = { "viu", "-b" },
        ["jpg"]       = { "ueberzug" },
      },
      -- if using `ueberzug` in the above extensions map
      -- set the default image scaler, possible scalers:
      --   false (none), "crop", "distort", "fit_contain",
      --   "contain", "forced_cover", "cover"
      -- https://github.com/seebye/ueberzug
      ueberzug_scaler = "cover",
    },
  },
  -- provider setup
  files = {
    -- previewer      = "bat",          -- uncomment to override previewer
                                        -- (name from 'previewers' table)
                                        -- set to 'false' to disable
    prompt            = 'Files❯ ',
    multiprocess      = true,           -- run command in a separate process
    git_icons         = true,           -- show git icons?
    file_icons        = true,           -- show file icons?
    color_icons       = true,           -- colorize file|git icons
    -- path_shorten   = 1,              -- 'true' or number, shorten path?
    -- executed command priority is 'cmd' (if exists)
    -- otherwise auto-detect prioritizes `fd`:`rg`:`find`
    -- default options are controlled by 'fd|rg|find|_opts'
    -- NOTE: 'find -printf' requires GNU find
    -- cmd            = "find . -type f -printf '%P\n'",
    find_opts         = [[-type f -not -path '*/\.git/*' -printf '%P\n']],
    rg_opts           = "--color=never --files --hidden --follow -g '!.git'",
    fd_opts           = "--color=never --type f --hidden --follow --exclude .git",
    actions = {
      -- inherits from 'actions.files', here we can override
      -- or set bind to 'false' to disable a default action
      ["default"]     = actions.file_edit,
      -- custom actions are available too
      ["ctrl-y"]      = function(selected) print(selected[1]) end,
    }
  },
  git = {
    files = {
      prompt        = 'GitFiles❯ ',
      cmd           = 'git ls-files --exclude-standard',
      multiprocess  = true,           -- run command in a separate process
      git_icons     = true,           -- show git icons?
      file_icons    = true,           -- show file icons?
      color_icons   = true,           -- colorize file|git icons
      -- force display the cwd header line regardles of your current working
      -- directory can also be used to hide the header when not wanted
      -- show_cwd_header = true
    },
    status = {
      prompt        = 'GitStatus❯ ',
      -- consider using `git status -su` if you wish to see
      -- untracked files individually under their subfolders
      cmd           = "git status -s",
      file_icons    = true,
      git_icons     = true,
      color_icons   = true,
      previewer     = "git_diff",
      -- uncomment if you wish to use git-delta as pager
      --preview_pager = "delta --width=$FZF_PREVIEW_COLUMNS",
      actions = {
        -- actions inherit from 'actions.files' and merge
        ["right"]   = { actions.git_unstage, actions.resume },
        ["left"]    = { actions.git_stage, actions.resume },
      },
    },
    commits = {
      prompt        = 'Commits❯ ',
      cmd           = "git log --color --pretty=format:'%C(yellow)%h%Creset %Cgreen(%><(12)%cr%><|(12))%Creset %s %C(blue)<%an>%Creset'",
      preview       = "git show --pretty='%Cred%H%n%Cblue%an <%ae>%n%C(yellow)%cD%n%Cgreen%s' --color {1}",
      -- uncomment if you wish to use git-delta as pager
      --preview_pager = "delta --width=$FZF_PREVIEW_COLUMNS",
      actions = {
        ["default"] = actions.git_checkout,
      },
    },
    bcommits = {
      prompt        = 'BCommits❯ ',
      -- default preview shows a git diff vs the previous commit
      -- if you prefer to see the entire commit you can use:
      --   git show --color {1} --rotate-to=<file>
      --   {1}    : commit SHA (fzf field index expression)
      --   <file> : filepath placement within the commands
      cmd           = "git log --color --pretty=format:'%C(yellow)%h%Creset %Cgreen(%><(12)%cr%><|(12))%Creset %s %C(blue)<%an>%Creset' <file>",
      preview       = "git diff --color {1}~1 {1} -- <file>",
      -- uncomment if you wish to use git-delta as pager
      --preview_pager = "delta --width=$FZF_PREVIEW_COLUMNS",
      actions = {
        ["default"] = actions.git_buf_edit,
        ["ctrl-s"]  = actions.git_buf_split,
        ["ctrl-v"]  = actions.git_buf_vsplit,
        ["ctrl-t"]  = actions.git_buf_tabedit,
      },
    },
    branches = {
      prompt          = 'Branches❯ ',
      cmd             = "git branch --all --color",
      preview         = "git log --graph --pretty=oneline --abbrev-commit --color {1}",
      actions = {
        ["default"] = actions.git_switch,
      },
    },
    stash = {
      prompt          = 'Stash> ',
      cmd             = "git --no-pager stash list",
      preview         = "git --no-pager stash show --patch --color {1}",
      actions = {
        ["default"]   = actions.git_stash_apply,
        ["ctrl-x"]    = { actions.git_stash_drop, actions.resume },
      },
      fzf_opts = {
        ["--no-multi"]  = '',
        ['--delimiter'] = "'[:]'",
      },
    },
    icons = {
      ["M"]           = { icon = "M", color = "yellow" },
      ["D"]           = { icon = "D", color = "red" },
      ["A"]           = { icon = "A", color = "green" },
      ["R"]           = { icon = "R", color = "yellow" },
      ["C"]           = { icon = "C", color = "yellow" },
      ["T"]           = { icon = "T", color = "magenta" },
      ["?"]           = { icon = "?", color = "magenta" },
      -- override git icons?
      -- ["M"]        = { icon = "★", color = "red" },
      -- ["D"]        = { icon = "✗", color = "red" },
      -- ["A"]        = { icon = "+", color = "green" },
    },
  },
  grep = {
    prompt            = 'Rg❯ ',
    input_prompt      = 'Grep For❯ ',
    multiprocess      = true,           -- run command in a separate process
    git_icons         = true,           -- show git icons?
    file_icons        = true,           -- show file icons?
    color_icons       = true,           -- colorize file|git icons
    -- executed command priority is 'cmd' (if exists)
    -- otherwise auto-detect prioritizes `rg` over `grep`
    -- default options are controlled by 'rg|grep_opts'
    -- cmd            = "rg --vimgrep",
    grep_opts         = "--binary-files=without-match --line-number --recursive --color=auto --perl-regexp",
    rg_opts           = "--column --line-number --no-heading --color=always --smart-case --max-columns=512",
    -- set to 'true' to always parse globs in both 'grep' and 'live_grep'
    -- search strings will be split using the 'glob_separator' and translated
    -- to '--iglob=' arguments, requires 'rg'
    -- can still be used when 'false' by calling 'live_grep_glob' directly
    rg_glob           = false,        -- default to glob parsing?
    glob_flag         = "--iglob",    -- for case sensitive globs use '--glob'
    glob_separator    = "%s%-%-",     -- query separator pattern (lua): ' --'
    -- advanced usage: for custom argument parsing define
    -- 'rg_glob_fn' to return a pair:
    --   first returned argument is the new search query
    --   second returned argument are addtional rg flags
    -- rg_glob_fn = function(query, opts)
    --   ...
    --   return new_query, flags
    -- end,
    actions = {
      -- actions inherit from 'actions.files' and merge
      -- this action toggles between 'grep' and 'live_grep'
      ["ctrl-g"]      = { actions.grep_lgrep }
    },
    no_header             = false,    -- hide grep|cwd header?
    no_header_i           = false,    -- hide interactive header?
  },
  args = {
    prompt            = 'Args❯ ',
    files_only        = true,
    -- actions inherit from 'actions.files' and merge
    actions           = { ["ctrl-x"] = { actions.arg_del, actions.resume } }
  },
  oldfiles = {
    prompt            = 'History❯ ',
    cwd_only          = false,
    stat_file         = true,         -- verify files exist on disk
    include_current_session = false,  -- include bufs from current session
  },
  buffers = {
    prompt            = 'Buffers❯ ',
    file_icons        = true,         -- show file icons?
    color_icons       = true,         -- colorize file|git icons
    sort_lastused     = true,         -- sort buffers() by last used
    actions = {
      -- actions inherit from 'actions.buffers' and merge
      -- by supplying a table of functions we're telling
      -- fzf-lua to not close the fzf window, this way we
      -- can resume the buffers picker on the same window
      -- eliminating an otherwise unaesthetic win "flash"
      ["ctrl-x"]      = { actions.buf_del, actions.resume },
    }
  },
  tabs = {
    prompt            = 'Tabs❯ ',
    tab_title         = "Tab",
    tab_marker        = "<<",
    file_icons        = true,         -- show file icons?
    color_icons       = true,         -- colorize file|git icons
    actions = {
      -- actions inherit from 'actions.buffers' and merge
      ["default"]     = actions.buf_switch,
      ["ctrl-x"]      = { actions.buf_del, actions.resume },
    },
    fzf_opts = {
      -- hide tabnr
      ['--delimiter'] = "'[\\):]'",
      ["--with-nth"]  = '2..',
    },
  },
  lines = {
    previewer         = "builtin",    -- set to 'false' to disable
    prompt            = 'Lines❯ ',
    show_unlisted     = false,        -- exclude 'help' buffers
    no_term_buffers   = true,         -- exclude 'term' buffers
    fzf_opts = {
      -- do not include bufnr in fuzzy matching
      -- tiebreak by line no.
      ['--delimiter'] = "'[\\]:]'",
      ["--nth"]       = '2..',
      ["--tiebreak"]  = 'index',
    },
    -- actions inherit from 'actions.buffers' and merge
    actions = {
      ["default"]     = actions.buf_edit_or_qf,
      ["alt-q"]       = actions.buf_sel_to_qf,
      ["alt-l"]       = actions.buf_sel_to_ll
    },
  },
  blines = {
    previewer         = "builtin",    -- set to 'false' to disable
    prompt            = 'BLines❯ ',
    show_unlisted     = true,         -- include 'help' buffers
    no_term_buffers   = false,        -- include 'term' buffers
    fzf_opts = {
      -- hide filename, tiebreak by line no.
      ['--delimiter'] = "'[\\]:]'",
      ["--with-nth"]  = '2..',
      ["--tiebreak"]  = 'index',
    },
    -- actions inherit from 'actions.buffers' and merge
    actions = {
      ["default"]     = actions.buf_edit_or_qf,
      ["alt-q"]       = actions.buf_sel_to_qf,
      ["alt-l"]       = actions.buf_sel_to_ll
    },
  },
  tags = {
    prompt                = 'Tags❯ ',
    ctags_file            = "tags",
    multiprocess          = true,
    file_icons            = true,
    git_icons             = true,
    color_icons           = true,
    -- 'tags_live_grep' options, `rg` prioritizes over `grep`
    rg_opts               = "--no-heading --color=always --smart-case",
    grep_opts             = "--color=auto --perl-regexp",
    actions = {
      -- actions inherit from 'actions.files' and merge
      -- this action toggles between 'grep' and 'live_grep'
      ["ctrl-g"]          = { actions.grep_lgrep }
    },
    no_header             = false,    -- hide grep|cwd header?
    no_header_i           = false,    -- hide interactive header?
  },
  btags = {
    prompt                = 'BTags❯ ',
    ctags_file            = "tags",
    multiprocess          = true,
    file_icons            = true,
    git_icons             = true,
    color_icons           = true,
    rg_opts               = "--no-heading --color=always",
    grep_opts             = "--color=auto --perl-regexp",
    fzf_opts = {
      ['--delimiter']     = "'[\\]:]'",
      ["--with-nth"]      = '2..',
      ["--tiebreak"]      = 'index',
    },
    -- actions inherit from 'actions.files'
  },
  colorschemes = {
    prompt            = 'Colorschemes❯ ',
    live_preview      = true,       -- apply the colorscheme on preview?
    actions           = { ["default"] = actions.colorscheme, },
    winopts           = { height = 0.55, width = 0.30, },
    post_reset_cb     = function()
      -- reset statusline highlights after
      -- a live_preview of the colorscheme
      -- require('feline').reset_highlights()
    end,
  },
  quickfix = {
    file_icons        = true,
    git_icons         = true,
  },
  lsp = {
    prompt_postfix    = '❯ ',       -- will be appended to the LSP label
                                    -- to override use 'prompt' instead
    cwd_only          = false,      -- LSP/diagnostics for cwd only?
    async_or_timeout  = 5000,       -- timeout(ms) or 'true' for async calls
    file_icons        = true,
    git_icons         = false,
    ui_select         = true,       -- use 'vim.ui.select' for code actions
    -- settings for 'lsp_{document|workspace|lsp_live_workspace}_symbols'
    symbols = {
        async_or_timeout  = true,       -- symbols are async by default
        symbol_style      = 1,          -- style for document/workspace symbols
                                        -- false: disable,    1: icon+kind
                                        --     2: icon only,  3: kind only
                                        -- NOTE: icons are extracted from
                                        -- vim.lsp.protocol.CompletionItemKind
        -- colorize using nvim-cmp's CmpItemKindXXX highlights
        -- can also be set to 'TS' for treesitter highlights ('TSProperty', etc)
        -- or 'false' to disable highlighting
        symbol_hl_prefix  = "CmpItemKind",
        -- additional symbol formatting, works with or without style
        symbol_fmt        = function(s) return "["..s.."]" end,
    },
  },
  diagnostics ={
    prompt            = 'Diagnostics❯ ',
    cwd_only          = false,
    file_icons        = true,
    git_icons         = false,
    diag_icons        = true,
    icon_padding      = '',     -- add padding for wide diagnostics signs
    -- by default icons and highlights are extracted from 'DiagnosticSignXXX'
    -- and highlighted by a highlight group of the same name (which is usually
    -- set by your colorscheme, for more info see:
    --   :help DiagnosticSignHint'
    --   :help hl-DiagnosticSignHint'
    -- only uncomment below if you wish to override the signs/highlights
    -- define only text, texthl or both (':help sign_define()' for more info)
    -- signs = {
    --   ["Error"] = { text = "", texthl = "DiagnosticError" },
    --   ["Warn"]  = { text = "", texthl = "DiagnosticWarn" },
    --   ["Info"]  = { text = "", texthl = "DiagnosticInfo" },
    --   ["Hint"]  = { text = "", texthl = "DiagnosticHint" },
    -- },
    -- limit to specific severity, use either a string or num:
    --   1 or "hint"
    --   2 or "information"
    --   3 or "warning"
    --   4 or "error"
    -- severity_only:   keep any matching exact severity
    -- severity_limit:  keep any equal or more severe (lower)
    -- severity_bound:  keep any equal or less severe (higher)
  },
  -- uncomment to use the old help previewer which used a
  -- minimized help window to generate the help tag preview
  -- helptags = { previewer = "help_tags" },
  -- uncomment to use `man` command as native fzf previewer
  -- (instead of using a neovim floating window)
  -- manpages = { previewer = "man_native" },
  -- 
  -- optional override of file extension icon colors
  -- available colors (terminal):
  --    clear, bold, black, red, green, yellow
  --    blue, magenta, cyan, grey, dark_grey, white
  file_icon_colors = {
    ["sh"] = "green",
  },
  -- padding can help kitty term users with
  -- double-width icon rendering
  file_icon_padding = '',
  -- uncomment if your terminal/font does not support unicode character
  -- 'EN SPACE' (U+2002), the below sets it to 'NBSP' (U+00A0) instead
  -- nbsp = '\xc2\xa0',
}

Customizing Highlights

FzfLua conviniently creates the below highlights:

  -- key is the highlight group name
  -- value[1] is the setup/call arg option name
  -- value[2] is the default link if value[1] is undefined
  FzfLuaNormal = { 'winopts.hl.normal', "Normal" },
  FzfLuaBorder = { 'winopts.hl.border', "Normal" },
  FzfLuaCursor = { 'winopts.hl.cursor', "Cursor" },
  FzfLuaCursorLine = { 'winopts.hl.cursorline', "CursorLine" },
  FzfLuaCursorLineNr = { 'winopts.hl.cursornr', "CursorLineNr" },
  FzfLuaSearch = { 'winopts.hl.search', "IncSearch" },
  FzfLuaTitle = { 'winopts.hl.title', "FzfLuaNormal" },
  FzfLuaScrollBorderEmpty = { 'winopts.hl.scrollborder_e', "FzfLuaBorder" },
  FzfLuaScrollBorderFull  = { 'winopts.hl.scrollborder_f', "FzfLuaBorder" },
  FzfLuaScrollFloatEmpty  = { 'winopts.hl.scrollfloat_e', "PmenuSbar" },
  FzfLuaScrollFloatFull   = { 'winopts.hl.scrollfloat_f', "PmenuThumb" },
  FzfLuaHelpNormal = { 'winopts.hl.help_normal', "FzfLuaNormal" },
  FzfLuaHelpBorder = { 'winopts.hl.help_border', "FzfLuaBorder" },

These can be easily customized either via the lua API:

:lua vim.api.nvim_set_hl(0, "FzfLuaBorder", { link = "FloatBorder" })

Or vimscript:

:hi! link FzfLuaBorder FloatBorder

If you wish to further customize these highlights without having to modify your preset colorscheme highlight links you can define the corresponding winopts.hl option or even send it directly via a call argument:

:lua require'fzf-lua'.files({ winopts={hl={normal="IncSearch"}} })

Or via setup:

require('fzf-lua').setup{
  winopts = {
    hl = { border = "FloatBorder", }
  }
}

Credits

Big thank you to all those I borrowed code/ideas from, I read so many configs and plugin codes that I probably forgot where I found some samples from so if I missed your name feel free to contact me and I'll add it below: