构建声明式风格节点#

npm i

import { INodeType, INodeTypeDescription } from 'n8n-workflow';

export class NasaPics implements INodeType {
	description: INodeTypeDescription = {
		// Basic node details will go here
		properties: [
		// Resources and operations will go here
		]
	};
}

displayName: 'NASA Pics',
name: 'NasaPics',
icon: 'file:nasapics.svg',
group: ['transform'],
version: 1,
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
description: 'Get data from NASAs API',
defaults: {
	name: 'NASA Pics',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
	{
		name: 'NasaPicsApi',
		required: true,
	},
],
requestDefaults: {
	baseURL: 'https://api.nasa.gov',
	headers: {
		Accept: 'application/json',
		'Content-Type': 'application/json',
	},
},

properties: [
	{
		displayName: 'Resource',
		name: 'resource',
		type: 'options',
		noDataExpression: true,
		options: [
			{
				name: 'Astronomy Picture of the Day',
				value: 'astronomyPictureOfTheDay',
			},
			{
				name: 'Mars Rover Photos',
				value: 'marsRoverPhotos',
			},
		],
		default: 'astronomyPictureOfTheDay',
	},
	// Operations will go here

]

{
	displayName: 'Operation',
	name: 'operation',
	type: 'options',
	noDataExpression: true,
	displayOptions: {
		show: {
			resource: [
				'astronomyPictureOfTheDay',
			],
		},
	},
	options: [
		{
			name: 'Get',
			value: 'get',
			action: 'Get the APOD',
			description: 'Get the Astronomy Picture of the day',
			routing: {
				request: {
					method: 'GET',
					url: '/planetary/apod',
				},
			},
		},
	],
	default: 'get',
},
{
	displayName: 'Operation',
	name: 'operation',
	type: 'options',
	noDataExpression: true,
	displayOptions: {
		show: {
			resource: [
				'marsRoverPhotos',
			],
		},
	},
	options: [
		{
			name: 'Get',
			value: 'get',
			action: 'Get Mars Rover photos',
			description: 'Get photos from the Mars Rover',
			routing: {
				request: {
					method: 'GET',
				},
			},
		},
	],
	default: 'get',
},
{
	displayName: 'Rover name',
	description: 'Choose which Mars Rover to get a photo from',
	required: true,
	name: 'roverName',
	type: 'options',
	options: [
		{name: 'Curiosity', value: 'curiosity'},
		{name: 'Opportunity', value: 'opportunity'},
		{name: 'Perseverance', value: 'perseverance'},
		{name: 'Spirit', value: 'spirit'},
	],
	routing: {
		request: {
			url: '=/mars-photos/api/v1/rovers/{{$value}}/photos',
		},
	},
	default: 'curiosity',
	displayOptions: {
		show: {
			resource: [
				'marsRoverPhotos',
			],
		},
	},
},
{
	displayName: 'Date',
	description: 'Earth date',
	required: true,
	name: 'marsRoverDate',
	type: 'dateTime',
	default:'',
	displayOptions: {
		show: {
			resource: [
				'marsRoverPhotos',
			],
		},
	},
	routing: {
		request: {
			// You've already set up the URL. qs appends the value of the field as a query string
			qs: {
				earth_date: '={{ new Date($value).toISOString().substr(0,10) }}',
			},
		},
	},
},
// Optional/additional fields will go here

{
	displayName: 'Additional Fields',
	name: 'additionalFields',
	type: 'collection',
	default: {},
	placeholder: 'Add Field',
	displayOptions: {
		show: {
			resource: [
				'astronomyPictureOfTheDay',
			],
			operation: [
				'get',
			],
		},
	},
	options: [
		{
			displayName: 'Date',
			name: 'apodDate',
			type: 'dateTime',
			default: '',
			routing: {
				request: {
					// You've already set up the URL. qs appends the value of the field as a query string
					qs: {
						date: '={{ new Date($value).toISOString().substr(0,10) }}',
					},
				},
			},
		},
	],									
}

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

export class NasaPicsApi implements ICredentialType {
	name = 'NasaPicsApi';
	displayName = 'NASA Pics API';
	// Uses the link to this tutorial as an example
	// Replace with your own docs links when building your own nodes
	documentationUrl = 'https://docs.n8n.io/integrations/creating-nodes/build/declarative-style-node/';
	properties: INodeProperties[] = [
		{
			displayName: 'API Key',
			name: 'apiKey',
			type: 'string',
			default: '',
		},
	];
	authenticate = {
		type: 'generic',
		properties: {
			qs: {
				'api_key': '={{$credentials.apiKey}}'
			}
		},
	} as IAuthenticateGeneric;
}

{
	"node": "n8n-nodes-base.NasaPics",
	"nodeVersion": "1.0",
	"codexVersion": "1.0",
	"categories": [
		"Miscellaneous"
	],
	"resources": {
		"credentialDocumentation": [
			{
				"url": ""
			}
		],
		"primaryDocumentation": [
			{
				"url": ""
			}
		]
	}
}

{
	// All node names must start with "n8n-nodes-"
	"name": "n8n-nodes-nasapics",
	"version": "0.1.0",
	"description": "n8n node to call NASA's APOD and Mars Rover Photo services.",
	"keywords": [
		// This keyword is required for community nodes
		"n8n-community-node-package"
	],
	"license": "MIT",
	"homepage": "https://n8n.io",
	"author": {
		"name": "Test",
		"email": "test@example.com"
	},
	"repository": {
		"type": "git",
		// Change the git remote to your own repository
		// Add the new URL here
		"url": "git+<your-repo-url>"
	},
	"main": "index.js",
	"scripts": {
		// don't change
	},
	"files": [
		"dist"
	],
	// Link the credentials and node
	"n8n": {
		"n8nNodesApiVersion": 1,
		"credentials": [
			"dist/credentials/NasaPicsApi.credentials.js"
		],
		"nodes": [
			"dist/nodes/NasaPics/NasaPics.node.js"
		]
	},
	"devDependencies": {
		// don't change
	},
	"peerDependencies": {
		// don't change
	}
}