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Can't use with CDN 1.0.2 #11

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SAUFRAS0FT opened this issue Jun 24, 2024 · 0 comments
Open

Can't use with CDN 1.0.2 #11

SAUFRAS0FT opened this issue Jun 24, 2024 · 0 comments

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@SAUFRAS0FT
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SAUFRAS0FT commented Jun 24, 2024

Reproducing:

I just tried to put:
<script src="https://unpkg.com/@bitjson/qr-code@1.0.2/dist/qr-code.js"></script>
on my HTML code.

Then I open my browser to my local Apache WEB server at the address https://127.0.0.1 and I ask for my HTML page to load, then in the javascript console I get the following message:

Loading the module at “https://127.0.0.1/js/qr-code/qr-code.orxjfzvr.js” was blocked due to a prohibited MIME type (“text/html”).

Analysis

The script tries to load the following resource (HTTP GET):
https://127.0.0.1/js/qr-code/qr-code.orxjfzvr.js

It's not normal for it to load a local resource

When we look in
https://unpkg.com/@bitjson/qr-code@1.0.2/dist/qr-code.js

We can see:

d.src=n+"qr-code.orxjfzvr.js" d.setAttribute("type","module")

and:
n=n||a.resourcesUrl,d=(p=t.querySelectorAll("script")).length-1;

and after this:

n=n||a.resourcesUrl,d=(p=t.querySelectorAll("script")).length-1;
...
p=m.getAttribute("data-resources-url"),
!n&&p&&(n=p),
!n&&m.src&&(n=(p=m.src.split("/").slice(0,-1)).join("/")+(p.length?"/":"")+"qr-code/")

n is initialized to a.resourcesUrl if it exists.
If n is not set, it tries to find a data-resources-url attribute on scripts.
If n is still undefined, it takes the path of the current script and adds /qr-code/

Why is data-resources-url poorly defined?

Workaround fix

To do this, I downloaded all the resources requested by the minify script at the following address:
https://unpkg.com/browse/@bitjson/qr-code@1.0.2/dist/qr-code/

then I placed them in the path indicated in the javascript console (in my case https://127.0.0.1/js/qr-code/)

It was my first bug contribution, please tell me in case I do something wrong

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