nvimdotfiles/lua/myworkflow/autocommands.lua

local group = vim.api.nvim_create_augroup("autoformat", {})
vim.api.nvim_create_autocmd('BufWritePre', {
    group = group,
    callback = function()
        vim.lsp.buf.format { async = false }
    end
})

local gotests = require("myworkflow.go-tests")
local atgroup = vim.api.nvim_create_augroup("autotest", {})

vim.api.nvim_create_autocmd('BufWritePost',
    {
        group = atgroup,
        pattern = { "*.go" },
        callback = function()
            gotests.goRunTests()
        end
    }
)

vim.api.nvim_create_autocmd('VimEnter', {
    pattern = { "*" },
    group = atgroup,
    nested = true,
    callback = function()
        -- we have to defer the autocommand, because otherwise treesitter
        -- will not highlight syntax (all code is plain white)
        vim.defer_fn(function()
            local gomod_exists = vim.fn.filereadable("go.mod")
            if gomod_exists ~= 0 then
                gotests.goRunTests()
            end
        end, 500)
    end
})