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26 changes: 21 additions & 5 deletions modules/key-card/src/drawKeycard.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@ import { IDrawKeyCard } from './types';
import { splitKeys } from './utils';
type jsPDFModule = typeof import('jspdf');

const isNode = typeof window === 'undefined' || typeof window.document === 'undefined';

async function loadJSPDF(): Promise<jsPDFModule> {
let jsPDF: jsPDFModule;

Expand Down Expand Up @@ -53,7 +55,7 @@ function moveDown(y: number, ydelta: number): number {
}

function drawOnePageOfQrCodes(
qrImages: HTMLCanvasElement[],
qrImages: (HTMLCanvasElement | string)[],
doc: jsPDF,
y: number,
qrSize: number,
Expand All @@ -68,7 +70,11 @@ function drawOnePageOfQrCodes(
return qrIndex;
}

doc.addImage(image, left(0), y, qrSize, qrSize);
if (typeof image === 'string') {
doc.addImage(image, 'PNG', left(0), y, qrSize, qrSize);
} else {
doc.addImage(image, left(0), y, qrSize, qrSize);
}

if (qrImages.length === 1) {
return qrIndex + 1;
Expand Down Expand Up @@ -127,7 +133,13 @@ export async function drawKeycard({

if (keyCardImage) {
const [imgWidth, imgHeight] = computeKeyCardImageDimensions(keyCardImage);
doc.addImage(keyCardImage, left(0), y, imgWidth, imgHeight);
if (isNode) {
// In Node.js, jsPDF cannot extract pixels from an HTMLImageElement (no DOM/canvas).
// The script passes a duck-typed object whose .src is a base64 data URL — use it directly.
doc.addImage((keyCardImage as unknown as { src: string }).src, 'PNG', left(0), y, imgWidth, imgHeight);
} else {
doc.addImage(keyCardImage, left(0), y, imgWidth, imgHeight);
}
}

// Activation Code
Expand Down Expand Up @@ -195,10 +207,14 @@ export async function drawKeycard({
const textLeft = left(qrSize + 15);
let textHeight = 0;

const qrImages: HTMLCanvasElement[] = [];
const qrImages: (HTMLCanvasElement | string)[] = [];
const keys = splitKeys(qr.data, QRBinaryMaxLength);
for (const key of keys) {
qrImages.push(await QRCode.toCanvas(key, { errorCorrectionLevel: 'L' }));
if (isNode) {
qrImages.push(await QRCode.toDataURL(key, { errorCorrectionLevel: 'L' }));
} else {
qrImages.push(await QRCode.toCanvas(key, { errorCorrectionLevel: 'L' }));
}
}

let nextQrIndex = drawOnePageOfQrCodes(qrImages, doc, y, qrSize, 0);
Expand Down
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