Scan 1D/2D Code from Image example error

[jianzhou520]

Describe the bug
Scan 1D/2D Code from Image example page cannot run correctly. https://zxing-js.github.io/library/examples/multi-image/

To Reproduce
Steps to reproduce the behavior:

1. load page and click decode button

Expected behavior
show right qrcode results

Screenshots

[mageshk98]

@jianzhou520 Waiting for this pr to be merged #530.

Meanwhile I am using a workaround. i.e,

const img = document.getElementById('img');
img.videoWidth = 0;
codeReader.decodeFromImage(img).then((result) => { //Logic goes here }

[mikejhill]

Possibly related, several other examples are failing in 0.19.2. We're running into trouble with many decodeFromImage calls. We reverted to 0.17.1, which works for us.

It looks like #536 might (?) intend to address these. However, I did try applying that change manually and the examples still seem to be failing for me.

https://zxing-js.github.io/library/examples/barcode-image/:

https://zxing-js.github.io/library/examples/datamatrix-image/:

https://zxing-js.github.io/library/examples/qr-image/:

[github-actions]

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