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Dynamsoft / barcode-reader-javascript

Dynamsoft Barcode Reader JavaScript SDK for package managers. PDF417, QR Code, DataMatrix, MaxiCode and more are supported.
https://www.dynamsoft.com/barcode-reader/sdk-javascript/
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404 not found for dbr-8.6.3.worker #101

Closed tigohenryschultz closed 2 years ago

tigohenryschultz commented 2 years ago

I have installed:

"dynamsoft-javascript-barcode": "^8.6.3",

My code references:

DBR.BarcodeScanner.engineResourcePath = "https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.6.3/dist/";

When I attempt to use it:

image

Why is it referencing a different URL? I had this all working under 8.6.1

tigohenryschultz commented 2 years ago

GET https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.4.0/dist/dbr-8.6.1.worker.js 404

tigohenryschultz commented 2 years ago

Seems webpack was packaging a different version and the library didnt know which one to look for...

Keillion commented 2 years ago

@tigohenryschultz

Sorry for the late reply.

I'm on vacation and will be back tommorrow.

It seems that Chrome 94 has a bug for wasm. After refreshing the page quickly and repeatedly, wasm fails to compile very occasionally.

So our team upgrade a new version (8.6.1->8.6.3) to walk around it. I was told that it was about this.

But in my knowledge this measure will slow down the loading speed. I guess the chrome bug is really rare and will be fixed in next chrome release. So i am not sure if it is necessary to upgrade to 8.6.3.

Will check the upgrade tomorrow.

I noticed that the engineResourcePath is not defined in the recommended way.

You can use "dynamsoft-javascript-barcode": "8.6.3" and DBR.engineResourcePath = "https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@8.6.3/dist/";

react as example: https://github.com/Dynamsoft/javascript-barcode/blob/main/samples/web/react/src/dbr.js

If not work, go back to 8.6.1.

tigohenryschultz commented 2 years ago

We had version 8.4.0 and 8.6.1 references in two different code bases and our webpack was first loading 8.4.0 but we were referencing 8.6.1 and I guess the engine resource path was already set previously.

Thanks for the update

Keillion commented 2 years ago

We had version 8.4.0 and 8.6.1 references in two different code bases and our webpack was first loading 8.4.0 but we were referencing 8.6.1 and I guess the engine resource path was already set previously.

Thanks for the update

Yes, i think one page can only have one version of dynamsoft-javascript-barcode.