olexsmir/gopher.nvim
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fix(impl): not error if no args provided (#110)

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* fix(impl): handle case with no arguments provided

* fix(config): validate missing field
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Smirnov Oleksandr 2025-04-03 16:52:38 +03:00 • committed by GitHub
parent 9d28cdebf1
commit 9db5931af1
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2 changed files with 10 additions and 2 deletions
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11
lua/gopher/impl.lua
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@ -44,7 +44,10 @@ function impl.impl(...)
local iface, recv = "", ""
local bufnr = vim.api.nvim_get_current_buf()
if #args == 1 then -- :GoImpl io.Reader
if #args == 0 then
u.notify("arguments not provided. usage: :GoImpl f *File io.Reader", vim.log.levels.ERROR)
return
elseif #args == 1 then -- :GoImpl io.Reader
local st = ts_utils.get_struct_under_cursor(bufnr)
iface = args[1]
recv = string.lower(st.name) .. " *" .. st.name
@ -57,7 +60,11 @@ function impl.impl(...)
iface = args[3]
end
local rs = r.sync { c.impl, "-dir", vim.fn.fnameescape(vim.fn.expand "%:p:h"), recv, iface }
assert(iface ~= "", "interface not provided")
assert(recv ~= "", "receiver not provided")
local dir = vim.fn.fnameescape(vim.fn.expand "%:p:h")
local rs = r.sync { c.impl, "-dir", dir, recv, iface }
if rs.code ~= 0 then
error("failed to implement interface: " .. rs.stderr)
end