n8n/packages/nodes-base/credentials/SeaTableApi.credentials.ts

import { ICredentialType, INodeProperties, INodePropertyOptions } from 'n8n-workflow';

import moment from 'moment-timezone';

// Get options for timezones
const timezones: INodePropertyOptions[] = moment.tz
	.countries()
	.reduce((timezones: INodePropertyOptions[], country: string) => {
		const zonesForCountry = moment.tz
			.zonesForCountry(country)
			.map((zone) => ({ value: zone, name: zone }));
		return timezones.concat(zonesForCountry);
	}, []);

export class SeaTableApi implements ICredentialType {
	name = 'seaTableApi';
	displayName = 'SeaTable API';
	documentationUrl = 'seaTable';
	properties: INodeProperties[] = [
		{
			displayName: 'Environment',
			name: 'environment',
			type: 'options',
			default: 'cloudHosted',
			options: [
				{
					name: 'Cloud-Hosted',
					value: 'cloudHosted',
				},
				{
					name: 'Self-Hosted',
					value: 'selfHosted',
				},
			],
		},
		{
			displayName: 'Self-Hosted Domain',
			name: 'domain',
			type: 'string',
			default: '',
			placeholder: 'https://www.mydomain.com',
			displayOptions: {
				show: {
					environment: ['selfHosted'],
				},
			},
		},
		{
			displayName: 'API Token (of a Base)',
			name: 'token',
			type: 'string',
			default: '',
		},
		{
			displayName: 'Timezone',
			name: 'timezone',
			type: 'options',
			default: '',
			description: "Seatable server's timezone",
			options: [...timezones],
		},
	];
}