require('lspconfig').tsserver.setup {
              settings = {
                javascript = {
                  preferences = {
                    importModuleSpecifier = 'non-relative',
                    importModuleSpecifierEnding = 'js',
                  },
                },
                ['javascript.preferences.importModuleSpecifierEnding'] = 'js',
                typescript = {
                  excludeLibrarySymbols = false,
                  preferences = {
                    importModuleSpecifier = 'non-relative',
                    importModuleSpecifierEnding = 'js',
                  },
                },
                ['typescript.preferences.importModuleSpecifierEnding'] = 'js',
              },
            }