n8n/packages/nodes-base/nodes/Twist/GenericFunctions.ts

import type {
	IExecuteFunctions,
	ILoadOptionsFunctions,
	IDataObject,
	JsonObject,
	IHttpRequestMethods,
	IRequestOptions,
} from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';

export async function twistApiRequest(
	this: IExecuteFunctions | ILoadOptionsFunctions,
	method: IHttpRequestMethods,
	endpoint: string,
	body: IDataObject = {},
	qs: IDataObject = {},
	option: IDataObject = {},
) {
	const options: IRequestOptions = {
		method,
		body,
		qs,
		uri: `https://api.twist.com/api/v3${endpoint}`,
		json: true,
	};

	if (Object.keys(body).length === 0) {
		delete options.body;
	}

	if (Object.keys(qs).length === 0) {
		delete options.qs;
	}

	Object.assign(options, option);

	try {
		return await this.helpers.requestOAuth2.call(this, 'twistOAuth2Api', options);
	} catch (error) {
		throw new NodeApiError(this.getNode(), error as JsonObject);
	}
}