From 789e0bf3105864808cd7879ae7989334511b412b Mon Sep 17 00:00:00 2001
From: bhagwan <bhagwan@disroot.org>
Date: Wed, 1 Sep 2021 19:39:01 -0700
Subject: [PATCH] added 'filetypes' provider

---
 README.md                      |  1 +
 lua/fzf-lua/actions.lua        |  5 +++++
 lua/fzf-lua/config.lua         |  6 ++++++
 lua/fzf-lua/init.lua           |  1 +
 lua/fzf-lua/providers/nvim.lua | 21 +++++++++++++++++++++
 5 files changed, 34 insertions(+)

diff --git a/README.md b/README.md
index fb36a0b..9689bb2 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,7 @@ nnoremap <c-P> <cmd>lua require('fzf-lua').files()<CR>
 |`spell_suggest`|spelling suggestions|
 |`tags`|project tags|
 |`btags`|buffer tags|
+|`filetypes`|neovim filetypes|
 |`packadd`|:packadd <package>|
 
 
diff --git a/lua/fzf-lua/actions.lua b/lua/fzf-lua/actions.lua
index f104da1..3381509 100644
--- a/lua/fzf-lua/actions.lua
+++ b/lua/fzf-lua/actions.lua
@@ -178,6 +178,11 @@ M.spell_apply = function(selected)
   vim.cmd("stopinsert")
 end
 
+M.set_filetype = function(selected)
+  if not selected then return end
+  vim.api.nvim_buf_set_option(0, 'filetype', selected[1])
+end
+
 M.packadd = function(selected)
   if not selected then return end
   for i = 1, #selected do
diff --git a/lua/fzf-lua/config.lua b/lua/fzf-lua/config.lua
index 155b212..b569164 100644
--- a/lua/fzf-lua/config.lua
+++ b/lua/fzf-lua/config.lua
@@ -428,6 +428,12 @@ M.globals.nvim = {
         ["default"]       = actions.spell_apply,
       },
     },
+    filetypes = {
+      prompt              = 'Filetypes> ',
+      actions = {
+        ["default"]       = actions.set_filetype,
+      },
+    },
     packadd = {
       prompt              = 'packadd> ',
       actions = {
diff --git a/lua/fzf-lua/init.lua b/lua/fzf-lua/init.lua
index e6d38dd..d207b0d 100644
--- a/lua/fzf-lua/init.lua
+++ b/lua/fzf-lua/init.lua
@@ -81,6 +81,7 @@ M.commands = require'fzf-lua.providers.nvim'.commands
 M.command_history = require'fzf-lua.providers.nvim'.command_history
 M.search_history = require'fzf-lua.providers.nvim'.search_history
 M.spell_suggest = require'fzf-lua.providers.nvim'.spell_suggest
+M.filetypes = require'fzf-lua.providers.nvim'.filetypes
 M.packadd = require'fzf-lua.providers.nvim'.packadd
 
 M.lsp_typedefs = require'fzf-lua.providers.lsp'.typedefs
diff --git a/lua/fzf-lua/providers/nvim.lua b/lua/fzf-lua/providers/nvim.lua
index 159a3a0..be34984 100644
--- a/lua/fzf-lua/providers/nvim.lua
+++ b/lua/fzf-lua/providers/nvim.lua
@@ -260,6 +260,27 @@ M.spell_suggest = function(opts)
 
 end
 
+M.filetypes = function(opts)
+
+  opts = config.normalize_opts(opts, config.globals.nvim.filetypes)
+
+  coroutine.wrap(function ()
+
+    local entries = vim.fn.getcompletion('', 'filetype')
+    if vim.tbl_isempty(entries) then return end
+
+    opts.nomulti = true
+    opts.preview = nil
+    opts.preview_window = 'hidden:down:0'
+
+    local selected = core.fzf(opts, entries)
+
+    if not selected then return end
+    actions.act(opts.actions, selected)
+
+  end)()
+
+end
 
 M.packadd = function(opts)