LunarVim/lua/lsp/efm-general-ls.lua

-- Example configuations here: https://github.com/mattn/efm-langserver
-- python
local flake8 = {
    LintCommand = "flake8 --ignore=E501 --stdin-display-name ${INPUT} -",
    lintStdin = true,
    lintFormats = {"%f:%l:%c: %m"}
}
local isort = {formatCommand = "isort --quiet -", formatStdin = true}
local yapf = {formatCommand = "yapf --quiet", formatStdin = true}
-- lua
local luaFormat = {
    formatCommand = "lua-format -i --no-keep-simple-function-one-line --column-limit=120",
    formatStdin = true
}
-- JavaScript/React/TypeScript
local prettier = {formatCommand = "./node_modules/.bin/prettier --stdin-filepath ${INPUT}", formatStdin = true}

local eslint = {
    lintCommand = "./node_modules/.bin/eslint -f unix --stdin --stdin-filename ${INPUT}",
    lintIgnoreExitCode = true,
    lintStdin = true,
    lintFormats = {"%f:%l:%c: %m"},
    formatCommand = "./node_modules/.bin/eslint --fix-to-stdout --stdin --stdin-filename=${INPUT}",
    formatStdin = true
}

require"lspconfig".efm.setup {
    -- init_options = {initializationOptions},
    init_options = {documentFormatting = true, codeAction = false},
    filetypes = {"lua", "python", "javascriptreact", "javascript"},
    settings = {
        rootMarkers = {".git/"},
        languages = {
            lua = {luaFormat},
            python = {isort, yapf},
            javascriptreact = {prettier, eslint},
            javascript = {prettier, eslint}
        }
    }
}

-- TODO turn these eslint and prettier examples into something good
-- TODO also shellcheck and shell formatting
-- Also find way to toggle format on save
-- maybe this will help: https://superuser.com/questions/439078/how-to-disable-autocmd-or-augroup-in-vim