import {ComposerExtension, SignatureStore} from 'nylas-exports'; import SignatureUtils from './signature-utils'; export default class SignatureComposerExtension extends ComposerExtension { static prepareNewDraft = ({draft}) => { const accountId = draft.accountId; const signatureObj = SignatureStore.signatureForAccountId(accountId); if (!signatureObj) { return; } draft.body = SignatureUtils.applySignature(draft.body, signatureObj.body); } }