38 lines
1.1 KiB
Lua
38 lines
1.1 KiB
Lua
---@toc_entry Iferr
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---@tag gopher.nvim-iferr
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---@text If you're using `iferr` tool, this module provides a way to automatically insert `if err != nil` check.
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---@usage Execute `:GoIfErr` near any `err` variable to insert the check
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local c = require "gopher.config"
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local u = require "gopher._utils"
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local r = require "gopher._utils.runner"
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local log = require "gopher._utils.log"
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local iferr = {}
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-- That's Lua implementation: https://github.com/koron/iferr
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function iferr.iferr()
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local curb = vim.fn.wordcount().cursor_bytes
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local pos = vim.fn.getcurpos()[2]
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local fpath = vim.fn.expand "%"
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local rs = r.sync({ c.commands.iferr, "-pos", curb }, {
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stdin = u.readfile_joined(fpath),
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})
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if rs.code ~= 0 then
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if string.find(rs.stderr, "no functions at") then
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u.notify("iferr: no function at " .. curb, vim.log.levels.ERROR)
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log.warn("iferr: no function at " .. curb)
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return
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end
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log.error("ferr: failed. output: " .. rs.stderr)
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error("iferr failed: " .. rs.stderr)
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end
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vim.fn.append(pos, vim.split(rs.stdout, "\n"))
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vim.cmd [[silent normal! j=2j]]
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vim.fn.setpos(".", pos)
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end
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return iferr
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