[Koha-devel] Embedding JSON data in HTML

[d***@prosentient.com.au]

Hi all,



I was just reflecting on bugs like
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=26942 and
reviewing https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script
when I saw the following method for embedding JSON in HTML:



<!-- Generated by the server -->

<script id="data" type="application/json">{"userId":1234,"userName":"John
Doe","memberSince":"2000-01-01T00:00:00.000Z"}</script>



<!-- Static -->

<script>

const userInfo = JSON.parse(document.getElementById("data").text);

console.log("User information: %o", userInfo);

</script>



I thought that was neat.



David Cook

Software Engineer

Prosentient Systems

Suite 7.03

6a Glen St

Milsons Point NSW 2061

Australia



Office: 02 9212 0899

Online: 02 8005 0595

[Tomas Cohen Arazi]

Nice finding, David. I've come across that in the context of Koha and
Template::Toolkit, and did something similar, using a data- attribute. I
used [% USE JSON.Escape %] to escape the data that comes from Perl.

Here, I set the data structure to a data-pickup-locations attribute:
https://gitlab.com/thekesolutions/Koha/-/commit/8b63154b866863aae6ac981b37c98864cd8875f4#f9b348ee995ab14b7c8a47e5ef2b7fe07838ec38_811_822

And then I use it:
https://gitlab.com/thekesolutions/Koha/-/commit/8b63154b866863aae6ac981b37c98864cd8875f4#f9b348ee995ab14b7c8a47e5ef2b7fe07838ec38_1245_1274

Best regards

Post by d***@prosentient.com.au
Hi all,
I was just reflecting on bugs like
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=26942 and
reviewing https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script
<!-- Generated by the server -->
<script id="data" type="application/json">{"userId":1234,"userName":"John
Doe","memberSince":"2000-01-01T00:00:00.000Z"}</script>
<!-- Static -->
<script>
const userInfo = JSON.parse(document.getElementById("data").text);
console.log("User information: %o", userInfo);
</script>
I thought that was neat.
David Cook
Software Engineer
Prosentient Systems
Suite 7.03
6a Glen St
Milsons Point NSW 2061
Australia
Office: 02 9212 0899
Online: 02 8005 0595
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