feat(toml): add lua toml previewer

bundle/vim-toml/autoload/toml.vim

@@ -6,6 +6,17 @@
 " License: GPLv3
 "=============================================================================
 
+if has('nvim-0.9.0')
+  function! toml#preview() abort
+
+    lua require('spacevim.plugin.tomlprew').preview()
+
+  endfunction
+
+  finish
+endif
+
+
 let s:preview_bufnr = -1
 let s:toml_bufnr = -1
 

lua/spacevim/plugin/tomlprew.lua

@@ -0,0 +1,38 @@
+--=============================================================================
+-- tomlprew.lua --- toml to json
+-- Copyright (c) 2016-2022 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+
+local toml = require('spacevim.api.data.toml')
+
+local M = {}
+
+
+function M.preview()
+  
+  local bufnr = vim.fn.bufnr()
+  local context = table.concat(vim.api.nvim_buf_get_lines(bufnr, 0, -1, false), '\n')
+  local js = toml.parse(context)
+  vim.cmd([[
+  silent only
+  rightbelow vsplit __toml_json_preview__.json
+  set ft=SpaceVimTomlViewer
+  setlocal buftype=nofile bufhidden=wipe nobuflisted nolist noswapfile nowrap cursorline nospell nonu norelativenumber winfixwidth
+  setlocal modifiable
+  ]])
+  bufnr = vim.fn.bufnr()
+  vim.api.nvim_buf_set_lines(bufnr, 1, -1, false, vim.split(vim.json.encode(js), '\n'))
+  vim.cmd([[
+  silent Neoformat! json
+  setlocal nomodifiable
+  set syntax=json
+  ]])
+
+
+end
+
+
+return M