Find the error: Puppeteer create PDF and send from Node JS backend to JS frontend

€8-30 EUR

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I cannot get the PDF to have content, it is always empty. The first working solution wins. NodeJS file: [login to view URL] = [login to view URL]('europe-west3').[login to view URL](async (data, context) => { appCheck(context) return createTicket(data) }); async function createTicket(data){ const puppeteer = require('puppeteer') const handlebars = require("handlebars") const fs = require("fs") require("intl") const path = require("path") var browser = await [login to view URL]({ args: ['--no-sandbox', '--disable-setuid-sandbox'] }) var templateHtml = await [login to view URL]([login to view URL]([login to view URL](), '[login to view URL]'), 'utf8') [login to view URL](templateHtml); var template = [login to view URL](templateHtml) [login to view URL](template); var html = template() [login to view URL](html) html = `<body> <h1>An example static HTML to PDF</h1> </body>` try { const page = await [login to view URL]() await [login to view URL](html) const buffer = await [login to view URL]({ format: 'A4', printBackground: true, margin: { left: '0px', top: '0px', right: '0px', bottom: '0px' } }); await [login to view URL]() var bufferArray = await [login to view URL]() return bufferArray } catch (err) { await [login to view URL]() return({ err }) } } JS File: async getPDF(){ var pdf = [login to view URL]().functions('europe-west3').httpsCallable('pdf'); pdf({Name: 'Test',Name2: 'Test2'}).then(async (result:any) => { [login to view URL]([login to view URL]); //var sampleArr = base64ToArrayBuffer([login to view URL]); saveByteArray("Sample Report", [login to view URL]); }).catch((error) => { [login to view URL](error); return 0; }); function saveByteArray(reportName, byte) { [login to view URL](byte); var blob = new Blob([byte], {type: "application/pdf"}); [login to view URL](blob); var link = [login to view URL]('a'); [login to view URL] = [login to view URL](blob); var fileName = reportName; [login to view URL] = fileName; [login to view URL]('click'); [login to view URL](); }; } Log in JS File: [login to view URL] %PDF-1.4 %�� 1 0 obj <</Creator (Chromium) /Producer (Skia/PDF m93) /CreationDate (D:20211013080646+00'00') /ModDate (D:20211013080646+00'00')>> endobj 3 0 obj <</ca 1 /BM /Normal>> endobj 5 0 obj <</Filter /FlateDecode /Length 191>> stream x�UNK 1��Yv��g ... endstream endobj 2 0 obj <</Type /Page /Resources <</ProcSet [/PDF /Text /ImageB /ImageC /ImageI] /ExtGState <</G3 3 0 R>> /Font <</F4 4 0 R>>>> /MediaBox [0 0 594.95996 841.91998] /Contents 5 0 R /StructParents 0 /Parent 6 0 R>> .... /Length 6202>> stream ...... ƀZl��/%lb�� uqD�<@M��%cL,[-��x�?��i endstream endobj 9 0 obj <</Type /FontDescriptor /FontName /LiberationSerif-Bold /Flags 4 /Ascent 891.11328 /Descent -216.30859 /StemV 83.984375 /CapHeight 654.78516 /ItalicAngle 0 /FontBBox [-543.94531 -303.22266 1344.23828 1007.8125] /FontFile2 8 0 R>> endobj 10 0 obj <</Type /Font /FontDescriptor 9 0 R /BaseFont /LiberationSerif-Bold /Subtype /CIDFontType2 /CIDToGIDMap /Identity /CIDSystemInfo <</Registry (Adobe) /Ordering (Identity) /Supplement 0>> /W [0 [777.83203 0 0 250] 36 39 722.16797 41 [610.83984 0 777.83203 0 0 0 666.99219 943.84766 0 0 610.83984 0 0 0 666.99219] 68 [500 0 443.84766 0 443.84766] 76 79 277.83203 80 [833.00781 556.15234 500 556.15234 0 0 389.16016 333.00781 0 0 0 500]] /DW 0>> endobj 11 0 obj <</Filter /FlateDecode /Length 315>> stream ... xref 0 12 0000000000 65535 f 0000000015 00000 n 0000000452 00000 n 0000000154 00000 n 0000008151 00000 n 0000000191 00000 n 0000000672 00000 n 0000000727 00000 n 0000000774 00000 n 0000007062 00000 n 0000007307 00000 n 0000007765 00000 n trailer <</Size 12 /Root 7 0 R /Info 1 0 R>> startxref 8296 %%EOF [login to view URL] Blob {size: 14143, type: 'application/pdf'}

Node.js

Google Firebase

JavaScript

Ταυτότητα εργασίας: 31799115

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@AbrarHGalib

Hi there, I tested your code using firebase emulators locally. There were a few issues in the code but I was able to fix this. I have a working solution that can convert the template into PDF. Message me in chat so I can share a screen recording to show you how this is working. If you think it is as expected, I can send over the script and help you setup with your project as required. Hope to hear from you soon. Thanks.

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