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Feature/improve page versioning #82

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merged 2 commits into from
Mar 14, 2024
Merged

Feature/improve page versioning #82

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7f3debc
Set navbar logo to the root of the server instead of root of the vers…
Grifs Mar 14, 2024
aba1c77
Attempt to match url when switching between versions
Grifs Mar 14, 2024
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57 changes: 51 additions & 6 deletions versions.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,10 @@ function createVersionLink(version) {
var tag = document.createElement("li");
var link = document.createElement("a");
link.setAttribute("class", "dropdown-item");
link.setAttribute("href", "/versioned/" + version.link + "/");
// link.setAttribute("href", "/versioned/" + version.link + "/");
link.setAttribute("rel", "");
link.setAttribute("target", "");
link.addEventListener("click", function() { versionClick(version.link) });
tag.appendChild(link);
var span = document.createElement("span");
span.setAttribute("class", "dropdown-text");
Expand All @@ -17,9 +18,10 @@ function createLatestLink() {
var tag = document.createElement("li");
var link = document.createElement("a");
link.setAttribute("class", "dropdown-item");
link.setAttribute("href", "/");
// link.setAttribute("href", "/");
link.setAttribute("rel", "");
link.setAttribute("target", "");
link.addEventListener("click", function() { versionClick("") });
tag.appendChild(link);
var span = document.createElement("span");
span.setAttribute("class", "dropdown-text");
Expand All @@ -28,16 +30,59 @@ function createLatestLink() {
return tag;
}

function addVersionLinks(json) {
var element = document.getElementById("nav-menu-version");
var list = element.nextElementSibling;
function versionClick(version) {
// console.log("versionClick " + version);
var url = window.location.pathname;
var urlParts = url.split("/");
console.log(urlParts);
if (urlParts.length > 2 && urlParts[1] == "versioned") {
// console.log("versioned " + url);
urlParts.splice(1, 2);
} else {
// console.log("not versioned " + url);
}

var newUrl;
var fallbackUrl;
if (version == "") {
newUrl = urlParts.join("/");
fallbackUrl = "/";
} else {
newUrl = "/versioned/" + version + urlParts.join("/");
fallbackUrl = "/versioned/" + version + "/";
}
// console.log("newUrl " + newUrl);
// console.log("fallbackUrl " + fallbackUrl);

// Prefetch the new URL and redirect if it exists
// Otherwise, redirect to the fallback URL
fetch (newUrl)
.then((response) => {
// console.log("response");
// console.log(response);
if (response.ok) {
window.location.href = newUrl;
} else {
window.location.href = fallbackUrl;
}
});
}

function setVersionLinks(json) {
// Populate the version drowdown
var dropdownElement = document.getElementById("nav-menu-version");
var list = dropdownElement.nextElementSibling;
list.appendChild( createLatestLink() );
for (var i = 0; i < json.versions.length; i++) {
var version = json.versions[i];
list.appendChild( createVersionLink(version) );
}

// Alter the navbar logo link to point to the root
var navbarElements = document.getElementsByClassName("navbar-brand");
navbarElements[0].setAttribute("href", "/");
}

fetch('/versions.json')
.then((response) => response.json())
.then((json) => addVersionLinks(json));
.then((json) => setVersionLinks(json));
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