pdf2json VS polyfill

{ Transcoder: '[email protected] [https://github.com/modesty/pdf2json]', Meta: { PDFFormatVersion: '1.6', IsAcroFormPresent: false, IsXFAPresent: false, Author: 'Mary', Creator: 'Acrobat PDFMaker 9.0 for Word', Producer: 'Adobe PDF Library 9.0', CreationDate: "D:20110123144232-05'00'", ModDate: "D:20140304212414-05'00'", Metadata: { 'xmp:modifydate': '2014-03-04T21:24:14-05:00', 'xmp:createdate': '2011-01-23T14:42:32-05:00', 'xmp:metadatadate': '2014-03-04T21:24:14-05:00', 'xmp:creatortool': 'Acrobat PDFMaker 9.0 for Word', 'xmpmm:documentid': 'uuid:4a18570c-d5bf-445d-9e0e-2efeb989eeb1', 'xmpmm:instanceid': 'uuid:813474a4-22b0-4180-9415-bb67674d2b7b', 'xmpmm:subject': '3', 'dc:format': 'application/pdf', 'dc:creator': 'Mary', 'pdf:producer': 'Adobe PDF Library 9.0', 'pdfx:sourcemodified': 'D:20110123172633' } }, Pages: [ { Width: 38.25, Height: 49.5, HLines: [], VLines: [], Fills: [Array], Texts: [Array], Fields: [], Boxsets: [] } ] }

import { PdfReader, TableParser } from "pdfreader"; const filename = "./uploads/table.pdf"; const nbCols = 2; const cellPadding = 40; const columnQuantitizer = (item) => parseFloat(item.x) >= 20; // polyfill for String.prototype.padEnd() // https://github.com/uxitten/polyfill/blob/master/string.polyfill.js // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat if (!String.prototype.padEnd) { String.prototype.padEnd = function padEnd(targetLength, padString) { targetLength = targetLength >> 0; //floor if number or convert non-number to 0; padString = String(padString || " "); if (this.length > targetLength) { return String(this); } else { targetLength = targetLength - this.length; if (targetLength > padString.length) { padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed } return String(this) + padString.slice(0, targetLength); } }; } const padColumns = (array, nb) => Array.apply(null, { length: nb }).map((val, i) => array[i] || []); const mergeCells = (cells) => (cells || []).map((cell) => cell.text).join(""); const formatMergedCell = (mergedCell) => mergedCell.substr(0, cellPadding).padEnd(cellPadding, " "); const renderMatrix = (matrix) => (matrix || []) .map( (row, y) => "| " + padColumns(row, nbCols) .map(mergeCells) .map(formatMergedCell) .join(" | ") + " |" ) .join("\n"); var table = new TableParser(); new PdfReader().parseFileItems(filename, function (err, item) { if (err) console.error(err); else if (!item || item.page) { // end of file, or page console.log(renderMatrix(table.getMatrix())); item?.page && console.log("PAGE:", item.page); table = new TableParser(); // new/clear table for next page } else if (item.text) { // accumulate text items into rows object, per line table.processItem(item, columnQuantitizer(item)); } });