n8n-nodes-doc-to-text/dist/nodes/DocToText/DocToText.node.js

Custom n8n node to convert .doc files to text using mammoth

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DocToText = void 0;
const mammoth = __importStar(require("mammoth"));
class DocToText {
    constructor() {
        this.description = {
            displayName: 'DOC to Text',
            name: 'docToText',
            group: ['transform'],
            version: 1,
            description: 'Convert DOC files to text using mammoth',
            defaults: {
                name: 'DOC to Text',
                color: '#772244',
            },
            inputs: ["main" /* NodeConnectionType.Main */],
            outputs: ["main" /* NodeConnectionType.Main */],
            properties: [
                {
                    displayName: 'Binary Field Name',
                    name: 'binaryFieldName',
                    type: 'string',
                    default: 'file',
                    placeholder: 'file',
                    required: true,
                    description: 'Name of the binary field containing the DOC file (e.g., "file").',
                },
            ],
        };
    }
    execute() {
        return __awaiter(this, void 0, void 0, function* () {
            const items = this.getInputData();
            const returnData = [];
            for (let i = 0; i < items.length; i++) {
                const binaryFieldName = this.getNodeParameter('binaryFieldName', i);
                const item = items[i];
                if (!item.binary || !item.binary[binaryFieldName]) {
                    throw new Error(`No binary data found for field "${binaryFieldName}". Please ensure a file is passed to this node.`);
                }
                const binaryData = item.binary[binaryFieldName];
                console.log('Binary data received:', binaryData);
                const buffer = Buffer.from(binaryData.data, 'base64');
                const result = yield mammoth.extractRawText({ buffer });
                if (result.messages && result.messages.length > 0) {
                    console.warn('Mammoth warnings:', result.messages);
                }
                returnData.push({ json: { text: result.value } });
            }
            return this.prepareOutputData(returnData);
        });
    }
}
exports.DocToText = DocToText;