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