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fix: 404 redirects
1 parent d4286a9 commit 2b5f2a0

1 file changed

Lines changed: 61 additions & 15 deletions

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‎scripts/resources/custom404.html‎

Lines changed: 61 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -8,37 +8,83 @@
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<meta http-equiv="refresh" content="1; url=https://ui5.github.io/cli" />
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</noscript>
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<script>
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(function name(params) {
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(function () {
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"use strict";
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var url = new URL(window.location);
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var path = url.pathname.split("/");
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var pathRegex = /\/cli\/(v[0-9]+|stable|next)/gi
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var pathRegex = /\/(v[0-9]+|stable|next)/gi;
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// For "old" links- keep the path but try to redirect to the stable release
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if (!url.pathname.match(pathRegex)) {
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// Check if URL contains a version pattern
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var hasVersion = url.pathname.match(pathRegex);
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if (!hasVersion) {
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// No version in URL - add stable
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// e.g., /cli/ → /cli/stable/
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path.splice(2, 0, "stable");
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url.pathname = path.join("/");
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window.location = url.toString();
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return;
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}
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// Find the version part in the path
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var versionIndex = path.findIndex((elem) => elem.match(/^(v[0-9]+|stable|next)$/));
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if (versionIndex > -1) {
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var version = path[versionIndex];
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// Dynamically check if version exists by trying to fetch its index.html
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var versionPath = path.slice(0, versionIndex + 1).join("/") + "/";
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var testUrl = url.origin + versionPath;
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// Create a test request to see if version exists
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fetch(testUrl, { method: 'HEAD' })
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.then(function (response) {
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if (response.ok) {
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// Version exists, but current page doesn't - show 404 within that version
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// Don't redirect if already on 404 to prevent loops
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if (!url.pathname.endsWith("/404.html") && !url.pathname.endsWith("/404/")) {
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var newPath = path.slice(0, versionIndex + 1).concat(["404.html"]);
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url.pathname = newPath.join("/");
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window.location = url.toString();
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}
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} else {
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// Version doesn't exist - redirect to stable
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redirectToStable();
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}
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})
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.catch(function () {
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// Network error or version doesn't exist - redirect to stable
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redirectToStable();
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});
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} else {
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// Path is not found in the stable release and no version is provided.
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// Then show the versioned 404 page, so the end user would still be in the same version
24-
var versionIndex = path.findIndex((elem) => elem.match(/^(v[0-9]+|stable|next)$/))
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// Edge case: redirect to stable
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redirectToStable();
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}
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function redirectToStable() {
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var versionIndex = path.findIndex((elem) => elem.match(/^(v[0-9]+|stable|next)$/));
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if (versionIndex > -1) {
27-
path.splice((versionIndex + 1), path.length, "404")
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path[versionIndex] = "stable";
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path = path.slice(0, versionIndex + 1);
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} else {
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// Edge case: redirect to the stable version i.e. /cli/v28372389/
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path = ["cli", "stable", "404"];
72+
path = ["", path[1], "stable"];
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}
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}
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34-
url.pathname = path.join("/");
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window.location = url.toString();
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url.pathname = path.join("/");
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// Prevent infinite loops
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if (url.toString() !== window.location.toString()) {
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window.location = url.toString();
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}
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}
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})()
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</script>
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</head>
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<body>
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Redirect to <a href="https://ui5.github.io/cli/stable/">the stable docs release/</a>...
87+
Redirect to <a href="https://ui5.github.io/cli/stable/">the stable docs release</a>...
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</body>
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44-
</html>
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</html>

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