first commit

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

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+import { ApplicationError } from '@n8n/errors';
+import type {
+	IDataObject,
+	IExecuteFunctions,
+	IHookFunctions,
+	IHttpRequestMethods,
+	ILoadOptionsFunctions,
+	IRequestOptions,
+	IWebhookFunctions,
+} from 'n8n-workflow';
+
+export async function mailCheckApiRequest(
+	this: IWebhookFunctions | IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions,
+	method: IHttpRequestMethods,
+	resource: string,
+
+	body: any = {},
+	qs: IDataObject = {},
+	uri?: string,
+	headers: IDataObject = {},
+	option: IDataObject = {},
+): Promise<any> {
+	const credentials = await this.getCredentials('mailcheckApi');
+
+	let options: IRequestOptions = {
+		headers: {
+			'Content-Type': 'application/json',
+			Authorization: `Bearer ${credentials.apiKey}`,
+		},
+		method,
+		body,
+		qs,
+		uri: uri || `https://api.mailcheck.co/v1${resource}`,
+		json: true,
+	};
+	try {
+		options = Object.assign({}, options, option);
+		if (Object.keys(headers).length !== 0) {
+			options.headers = Object.assign({}, options.headers, headers);
+		}
+		if (Object.keys(body as IDataObject).length === 0) {
+			delete options.body;
+		}
+		return await this.helpers.request.call(this, options);
+	} catch (error) {
+		if (error.response?.body?.message) {
+			// Try to return the error prettier
+			throw new ApplicationError(
+				`Mailcheck error response [${error.statusCode}]: ${error.response.body.message}`,
+				{ level: 'warning' },
+			);
+		}
+		throw error;
+	}
+}

packages/nodes-base/nodes/Mailcheck/Mailcheck.node.json

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+{
+	"node": "n8n-nodes-base.mailcheck",
+	"nodeVersion": "1.0",
+	"codexVersion": "1.0",
+	"categories": ["Utility", "Marketing"],
+	"resources": {
+		"credentialDocumentation": [
+			{
+				"url": "https://docs.n8n.io/integrations/builtin/credentials/mailcheck/"
+			}
+		],
+		"primaryDocumentation": [
+			{
+				"url": "https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.mailcheck/"
+			}
+		]
+	}
+}

packages/nodes-base/nodes/Mailcheck/Mailcheck.node.ts

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+import type {
+	IExecuteFunctions,
+	IDataObject,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+import { mailCheckApiRequest } from './GenericFunctions';
+
+export class Mailcheck implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Mailcheck',
+		name: 'mailcheck',
+		icon: 'file:mailcheck.svg',
+		group: ['transform'],
+		version: 1,
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		description: 'Consume Mailcheck API',
+		defaults: {
+			name: 'Mailcheck',
+		},
+		usableAsTool: true,
+		inputs: [NodeConnectionTypes.Main],
+		outputs: [NodeConnectionTypes.Main],
+		credentials: [
+			{
+				name: 'mailcheckApi',
+				required: true,
+			},
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Email',
+						value: 'email',
+					},
+				],
+				default: 'email',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				noDataExpression: true,
+				displayOptions: {
+					show: {
+						resource: ['email'],
+					},
+				},
+				options: [
+					{
+						name: 'Check',
+						value: 'check',
+						action: 'Check an email',
+					},
+				],
+				default: 'check',
+			},
+			{
+				displayName: 'Email',
+				name: 'email',
+				type: 'string',
+				placeholder: 'name@email.com',
+				displayOptions: {
+					show: {
+						resource: ['email'],
+						operation: ['check'],
+					},
+				},
+				default: '',
+				description: 'Email address to check',
+			},
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const returnData: IDataObject[] = [];
+		const length = items.length;
+		let responseData;
+
+		const resource = this.getNodeParameter('resource', 0);
+		const operation = this.getNodeParameter('operation', 0);
+		for (let i = 0; i < length; i++) {
+			try {
+				if (resource === 'email') {
+					if (operation === 'check') {
+						const email = this.getNodeParameter('email', i) as string;
+						responseData = await mailCheckApiRequest.call(this, 'POST', '/singleEmail:check', {
+							email,
+						});
+					}
+				}
+			} catch (error) {
+				if (this.continueOnFail()) {
+					returnData.push({ error: error.message });
+					continue;
+				}
+				throw error;
+			}
+			if (Array.isArray(responseData)) {
+				returnData.push.apply(returnData, responseData as IDataObject[]);
+			} else {
+				returnData.push(responseData as IDataObject);
+			}
+		}
+		return [this.helpers.returnJsonArray(returnData)];
+	}
+}

packages/nodes-base/nodes/Mailcheck/__schema__/v1.0.0/email/check.json

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+{
+    "type": "object",
+    "properties": {
+        "email": {
+            "type": "string"
+        },
+        "githubUsername": {
+            "type": "string"
+        },
+        "isNotDisposable": {
+            "type": "boolean"
+        },
+        "isNotSmtpCatchAll": {
+            "type": "boolean"
+        },
+        "microsoftAccountExists": {
+            "type": "boolean"
+        },
+        "mxExists": {
+            "type": "boolean"
+        },
+        "smtpExists": {
+            "type": "boolean"
+        },
+        "trustRate": {
+            "type": "integer"
+        }
+    },
+    "version": 1
+}

packages/nodes-base/nodes/Mailcheck/mailcheck.svg

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