math-exercises-js/main.js

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2.1 KiB
JavaScript

window.MathJax = {
loader: {load: ['input/asciimath', 'output/chtml']},
chtml: { display: true }
};
document.addEventListener('DOMContentLoaded', main)
// Class name to displayable name
const referenceable_class_to_display_name = {
"proposition" : "Proposição"
};
function main ()
{
const internalReferenceables = document.querySelectorAll("div[name], p[name]");
const referenceable_index = {"global": 1};
for (const referenceable of internalReferenceables)
{
referenceable.setAttribute("id", `referenceable_${referenceable_index["global"]}`);
referenceable_index["global"] += 1;
referenceableClassName = referenceable.getAttribute("class");
referenceable.setAttribute("data-referenceable-class", referenceableClassName);
if ( !(referenceableClassName in referenceable_index) )
{ referenceable_index[referenceableClassName] = 1; }
let current_index = referenceable_index[referenceableClassName];
referenceable.setAttribute("data-index", current_index);
referenceable_index[referenceableClassName] = current_index+1;
// Title
const title = document.createElement("p");
referenceableClassDisplayName = referenceable_class_to_display_name[referenceableClassName];
title.textContent = `${referenceableClassDisplayName} ${current_index}: ${referenceable.getAttribute("name")}`;
title.setAttribute("class", "title");
referenceable.prepend(title);
}
// Anchor normalization
const anchors = document.querySelectorAll("a:not([href])");
for (const anchor of anchors)
{
let found_referenced = false;
let referenceable = null;
let referenceable_index = 0;
// Look for referenceable with name equal to anchor text content
while (referenceable_index < internalReferenceables.length && !found_referenced)
{
referenceable = internalReferenceables[referenceable_index];
if (referenceable.getAttribute("name") == anchor.textContent)
{
found_referenced = true;
anchor.setAttribute("href", `#${referenceable.id}`);
referenceableClassDisplayName = referenceable_class_to_display_name[referenceableClassName];
anchor.textContent = `[${referenceable.firstChild.textContent}]`;
}
referenceable_index++;
}
}
}