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

import {
	OptionsWithUri,
} from 'request';

import {
	IExecuteFunctions,
	ILoadOptionsFunctions,
} from 'n8n-core';

import {
	IDataObject,
	IHookFunctions,
	IWebhookFunctions,
	NodeApiError,
	NodeOperationError,
} from 'n8n-workflow';

export async function linearApiRequest(this: IExecuteFunctions | IWebhookFunctions | IHookFunctions | ILoadOptionsFunctions, body: any = {}, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
	const credentials = await this.getCredentials('linearApi') as IDataObject;

	const endpoint = 'https://api.linear.app/graphql';

	let options: OptionsWithUri = {
		headers: {
			'Content-Type': 'application/json',
			Authorization: credentials.apiKey,
		},
		method: 'POST',
		body,
		uri: endpoint,
		json: true,
	};
	options = Object.assign({}, options, option);
	try {

		return await this.helpers.request!(options);

	} catch (error) {
		throw new NodeApiError(this.getNode(), error);
	}
}

export function capitalizeFirstLetter(data: string) {
	return data.charAt(0).toUpperCase() + data.slice(1);
}