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Fix redirection for pages missing in other docs versions #1395

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merged 1 commit into from
Jul 27, 2023
Merged

Fix redirection for pages missing in other docs versions #1395

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24 changes: 13 additions & 11 deletions src/pydata_sphinx_theme/assets/scripts/pydata-sphinx-theme.js
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Original file line number Diff line number Diff line change
Expand Up @@ -287,21 +287,23 @@ var setupSearchButtons = () => {
*
* @param {event} event the event that trigger the check
*/
function checkPageExistsAndRedirect(event) {
async function checkPageExistsAndRedirect(event) {
// ensure we don't follow the initial link
event.preventDefault();

const currentFilePath = `${DOCUMENTATION_OPTIONS.pagename}.html`;
const tryUrl = event.currentTarget.getAttribute("href");
let currentFilePath = `${DOCUMENTATION_OPTIONS.pagename}.html`;
let tryUrl = event.currentTarget.getAttribute("href");
let otherDocsHomepage = tryUrl.replace(currentFilePath, "");

fetch(tryUrl, { method: "HEAD" })
.then(() => {
location.href = tryUrl;
}) // if the page exists, go there
.catch((error) => {
try {
let head = await fetch(tryUrl, { method: "HEAD" });
if (head.ok) {
location.href = tryUrl; // the page exists, go there
} else {
location.href = otherDocsHomepage;
});
}
} catch (err) {
// something went wrong, probably CORS restriction, fallback to other docs homepage
location.href = otherDocsHomepage;
}
}

/**
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