n8n/packages/nodes-base/nodes/Form/formCompletionUtils.ts

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import { type Response } from 'express';
import {
type NodeTypeAndVersion,
type IWebhookFunctions,
type IWebhookResponseData,
} from 'n8n-workflow';
import { sanitizeHtml } from './utils';
export const renderFormCompletion = async (
context: IWebhookFunctions,
res: Response,
trigger: NodeTypeAndVersion,
): Promise<IWebhookResponseData> => {
const completionTitle = context.getNodeParameter('completionTitle', '') as string;
const completionMessage = context.getNodeParameter('completionMessage', '') as string;
const redirectUrl = context.getNodeParameter('redirectUrl', '') as string;
const options = context.getNodeParameter('options', {}) as { formTitle: string };
const responseText = context.getNodeParameter('responseText', '') as string;
if (redirectUrl) {
res.send(
`<html><head><meta http-equiv="refresh" content="0; url=${redirectUrl}"></head></html>`,
);
return { noWebhookResponse: true };
}
let title = options.formTitle;
if (!title) {
title = context.evaluateExpression(`{{ $('${trigger?.name}').params.formTitle }}`) as string;
}
const appendAttribution = context.evaluateExpression(
`{{ $('${trigger?.name}').params.options?.appendAttribution === false ? false : true }}`,
) as boolean;
res.render('form-trigger-completion', {
title: completionTitle,
message: completionMessage,
formTitle: title,
appendAttribution,
responseText: sanitizeHtml(responseText),
});
return { noWebhookResponse: true };
};