53 lines
2 KiB
Fennel
53 lines
2 KiB
Fennel
(let [mod {}
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b vim.b
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cmd vim.cmd
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api vim.api
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set-bufvar vim.api.nvim_buf_set_var]
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(fn mod.setup []
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(let [usercmd vim.api.nvim_create_user_command
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augroup (vim.api.nvim_create_augroup :NifocFormatting {:clear true})
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aucmd vim.api.nvim_create_autocmd]
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(usercmd :FormatDisableBuffer mod.disable-for-buffer
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{:desc "Disable Formatting for the current buffer"})
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(usercmd :FormatEnableBuffer mod.enable-for-buffer
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{:desc "Enable Formatting for the current buffer"})
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(aucmd :BufWritePre {:callback mod.maybe-format-buffer
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:group augroup
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:desc "Run Formatter"})))
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(fn run-neoformat [formatprg]
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(let [neoformat (.. "Neoformat " formatprg)
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cmdheight (vim.opt.cmdheight:get)]
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;; Workaround for a prompt issue with cmdheight=0
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(set vim.opt.cmdheight 1)
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(cmd (.. "try | undojoin | " neoformat " | catch /E790/ | " neoformat
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" | endtry"))
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(set vim.opt.cmdheight cmdheight)))
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(fn mod.enable-for-buffer []
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(set-bufvar 0 :nifoc_formatter_disabled 0))
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(fn mod.disable-for-buffer []
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(set-bufvar 0 :nifoc_formatter_disabled 1))
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(fn mod.active? []
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(if (= b.nifoc_formatter_disabled 1) false
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(= b.nifoc_lsp_formatter_enabled 1) true
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(not= (vim.opt_local.formatprg:get) "") true
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false))
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(fn mod.maybe-enable-lsp [client bufnr]
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(when (client.supports_method :textDocument/rangeFormatting)
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(api.nvim_buf_set_option bufnr :formatexpr "v:lua.vim.lsp.formatexpr()"))
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(when (client.supports_method :textDocument/formatting)
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(set-bufvar bufnr :nifoc_lsp_formatter_enabled 1)))
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(fn mod.maybe-format-buffer []
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(let [formatprg (vim.opt_local.formatprg:get)
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formatprg-exe (-> formatprg (vim.split " " {:trimempty true}) (. 1))]
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(if (= b.nifoc_formatter_disabled 1) nil
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(= b.nifoc_lsp_formatter_enabled 1) (vim.lsp.buf.format {:timeout_ms 1000})
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(not= formatprg-exe nil) (run-neoformat formatprg-exe))))
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mod)
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