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-- The formatter expects one of [.res | .resi | .ml | .mli] passed as
-- the value to the '-stdin' argument.
local valid_extensions = {
res = true,
resi = true,
ml = true,
mli = true,
}
local default_extension = "res"
---@type conform.FileFormatterConfig
return {
meta = {
url = "https://rescript-lang.org/",
description = "The built-in ReScript formatter.",
},
command = "rescript",
args = function(self, ctx)
local extension = vim.fn.fnamemodify(ctx.filename, ":e")
local is_invalid_extension = valid_extensions[extension] == nil
if is_invalid_extension then
extension = default_extension
end
return {
"format",
"-stdin",
"." .. extension,
}
end,
stdin = true,
require_cwd = true,
cwd = require("conform.util").root_file({
"rescript.json",
"bsconfig.json",
}),
}
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