✨ Add Yourls Node (#1216)

* ✨ Yourls Node

* ⚡ Minor improvements to Yourls-Node

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/nodes/Yourls/GenericFunctions.ts

@@ -0,0 +1,52 @@
+import {
+	OptionsWithUri,
+} from 'request';
+
+import {
+	IExecuteFunctions,
+	IExecuteSingleFunctions,
+	ILoadOptionsFunctions,
+} from 'n8n-core';
+
+import {
+	IDataObject,
+} from 'n8n-workflow';
+
+export async function yourlsApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, body: any = {}, qs: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
+
+	const credentials = this.getCredentials('yourlsApi') as IDataObject;
+
+	qs.signature = credentials.signature as string;
+	qs.format = 'json';
+
+	const options: OptionsWithUri = {
+		method,
+		body,
+		qs,
+		uri: `${credentials.url}/yourls-api.php`,
+		json: true,
+	};
+	try {
+		//@ts-ignore
+		const response = await this.helpers.request.call(this, options);
+
+		if (response.status === 'fail') {
+			throw new Error(
+				`Yourls error response [400]: ${response.message}`,
+			);
+		}
+
+		return response;
+	} catch (error) {
+		if (error.response && error.response.body && error.response.body.msg) {
+
+			const message = error.response.body.msg;
+
+			// Try to return the error prettier
+			throw new Error(
+				`Yourls error response [${error.statusCode}]: ${message}`,
+			);
+		}
+		throw error;
+	}
+}