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- local M = {}
- local formatters_by_ft = {}
- local null_ls = require "null-ls"
- local services = require "lsp.null-ls.services"
- local logger = require("core.log"):get_default()
- local function list_names(formatters, options)
- options = options or {}
- local names = {}
- local filter = options.filter or "supported"
- for name, _ in pairs(formatters[filter]) do
- table.insert(names, name)
- end
- return names
- end
- function M.list_supported_names(filetype)
- if not formatters_by_ft[filetype] then
- return {}
- end
- return list_names(formatters_by_ft[filetype], { filter = "supported" })
- end
- function M.list_unsupported_names(filetype)
- if not formatters_by_ft[filetype] then
- return {}
- end
- return list_names(formatters_by_ft[filetype], { filter = "unsupported" })
- end
- function M.list_available(filetype)
- local formatters = {}
- for _, provider in pairs(null_ls.builtins.formatting) do
- -- TODO: Add support for wildcard filetypes
- if vim.tbl_contains(provider.filetypes or {}, filetype) then
- table.insert(formatters, provider.name)
- end
- end
- return formatters
- end
- function M.list_configured(formatter_configs)
- local formatters, errors = {}, {}
- for _, fmt_config in ipairs(formatter_configs) do
- local formatter = null_ls.builtins.formatting[fmt_config.exe]
- if not formatter then
- logger.error("Not a valid formatter:", fmt_config.exe)
- errors[fmt_config.exe] = {} -- Add data here when necessary
- else
- local formatter_cmd = services.find_command(formatter._opts.command)
- if not formatter_cmd then
- logger.warn("Not found:", formatter._opts.command)
- errors[fmt_config.exe] = {} -- Add data here when necessary
- else
- logger.info("Using formatter:", formatter_cmd)
- formatters[fmt_config.exe] = formatter.with { command = formatter_cmd, args = fmt_config.args }
- end
- end
- end
- return { supported = formatters, unsupported = errors }
- end
- function M.setup(filetype, options)
- if formatters_by_ft[filetype] and not options.force_reload then
- return
- end
- formatters_by_ft[filetype] = M.list_configured(lvim.lang[filetype].formatters)
- null_ls.register { sources = formatters_by_ft[filetype].supported }
- end
- return M
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