express-react-pdf/dist/builder/pdfMiddlewareBuilder.js

Middleware generator for react-pdf in express

"use strict";
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.pdfMiddlewareBuilder = void 0;
const pdfWrapper_1 = require("./pdfWrapper");
/**
 * Builds pdf middleware using the provided root node and data extractor
 * Sets up the correct headers and returns data from the pdf wrapper
 * @param Root Root node
 * @param rootDataExtractor Extracts data needed for the root node from the request
 * @returns pdf generator middleware
 */
const pdfMiddlewareBuilder = (Root, rootDataExtractor) => {
    return (Content, contentDataExtractor, fileName = "export.pdf") => {
        return (req, res, next) => __awaiter(void 0, void 0, void 0, function* () {
            const result = yield (0, pdfWrapper_1.pdfWrapper)({ Content, contentData: contentDataExtractor(req) }, {
                Root,
                rootData: rootDataExtractor(req),
            });
            // Setting up the response headers
            res.setHeader("Content-Type", "application/pdf");
            res.setHeader("Content-Disposition", `attachment; filename=${fileName}`);
            // Streaming our resulting pdf back to the user
            result.pipe(res);
            next();
        });
    };
};
exports.pdfMiddlewareBuilder = pdfMiddlewareBuilder;
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