-- NOTE: an efm config file prevents error in log, only needs first line of: version:2
  local eslint = {
    lintCommand = "./node_modules/.bin/eslint -f unix --stdin --stdin-filename ${INPUT}",
    lintIgnoreExitCode = true,
    lintStdin = true
  }
  
  require "lspconfig".efm.setup {
    --cmd = {"efm-langserver", "-q"}, -- the `-q` prevents the  readng std in, printing stdout message
    init_options = {documentFormatting = true},
    filetypes = {"javascript", "typescript"},
    root_dir = function(fname)
      return util.root_pattern("tsconfig.json")(fname) or
      util.root_pattern(".eslintrc.js", ".git")(fname);
    end,
    init_options = {documentFormatting = true},
    settings = {
      rootMarkers = {".eslintrc.js", ".git/"},
      --logFile = "/home/alextylor/efm.log",
      --logLevel =  1,
      languages = {
        typescript = {eslint}
      }
    }
  }

  require'lspconfig'.diagnosticls.setup{
    filetypes = {"javascript", "typescript"},
    root_dir = function(fname)
      return util.root_pattern("tsconfig.json")(fname) or
      util.root_pattern(".eslintrc.js", ".git")(fname);
    end,
    init_options = {
      linters = {
        eslint = {
          command = "./node_modules/.bin/eslint",
          rootPatterns = {".eslintrc.js", ".git"},
          debounce = 100,
          args = {
            "--stdin",
            "--stdin-filename",
            "%filepath",
            "--format",
            "json"
          },
          sourceName = "eslint",
          parseJson = {
            errorsRoot = "[0].messages",
            line = "line",
            column = "column",
            endLine = "endLine",
            endColumn = "endColumn",
            message = "[eslint] ${message} [${ruleId}]",
            security = "severity"
          },
          securities = {
            [2] = "error",
            [1] = "warning"
          }
        },
      },
      filetypes = {
        javascript = "eslint",
        typescript = "eslint"
      }
    }
  }