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fix(custom.js): fix to correctly deal with when...

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...JSON file contains 1 or more objects, but no actual content.
This commit is contained in:
Victor Wheeler
2025-04-24 19:38:24 -06:00
committed by Gabor Kiss-Vamosi
parent 4c6624b79f
commit 45e4041d09
1 changed files with 23 additions and 18 deletions
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docs/src/_static/js/custom.js
+23 -18
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@@ -124,7 +124,7 @@ document.addEventListener('DOMContentLoaded', (event) => {
})
/* JSON file was fetched successfully.... */
.then(json => {
if (!typeof json === "array") {
if (json.constructor !== Array) {
/* Data structure not recognized. */
} else {
/* console.log('JSON is an array.'); */
@@ -133,13 +133,11 @@ document.addEventListener('DOMContentLoaded', (event) => {
console.log('JSON has no banners -- nothing to do.');
} else {
/* Note: `div.page` is unique to Furo theme. */
const page = document.querySelector('div.page');
const pgParent = page.parentElement;
/* Create and insert banner container. */
const newDiv = document.createElement('div');
newDiv.classList.add(bannerContainerClass);
pgParent.insertBefore(newDiv, page);
let bannerCount = 0;
/* Create a <p> or an <a> element for each banner.
* First, sort them in priority order with "highest-priority" being
@@ -156,6 +154,7 @@ document.addEventListener('DOMContentLoaded', (event) => {
let banner = json[i];
if (banner.hasOwnProperty('label')) {
bannerCount++;
let priorityClass = '';
let newElement = null;
@@ -179,20 +178,26 @@ document.addEventListener('DOMContentLoaded', (event) => {
}
}
/* Finally, we need to tell the page element that its `min-hight`
* is 100% minus the hight of all the banners, including the one
* supplied by `conf.py` in `conf.html_theme_options.announcement`
* if one is present === var(--header-height).
*
* This extends short pages by just enough to place [PREV] and [NEXT]
* buttoms and footer at bottom of page without scrolling.
*
* Note: this overrides the `min-height` property set for this
* element in `furo.css`, which is: calc(100% - var(--header-height)).
* It additionally subtracts height of banner list.
* */
let height = newDiv.offsetHeight;
page.style['min-height'] = `calc(100% - var(--header-height) - ${height}px)`;
if (bannerCount > 0) {
const page = document.querySelector('div.page');
const pgParent = page.parentElement;
pgParent.insertBefore(newDiv, page);
/* Finally, we need to tell the page element that its `min-hight`
* is 100% minus the hight of all the banners, including the one
* supplied by `conf.py` in `conf.html_theme_options.announcement`
* if one is present === var(--header-height).
*
* This extends short pages by just enough to place [PREV] and [NEXT]
* buttoms and footer at bottom of page without scrolling.
*
* Note: this overrides the `min-height` property set for this
* element in `furo.css`, which is: calc(100% - var(--header-height)).
* It additionally subtracts height of banner list.
* */
let height = newDiv.offsetHeight;
page.style['min-height'] = `calc(100% - var(--header-height) - ${height}px)`;
}
}
}
}) .catch(error => {