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Make library search and category filters deep-linkable #50

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Merged
mberman84 merged 1 commit into from
Jun 22, 2026
+89 −19
Merged

Make library search and category filters deep-linkable #50

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2 changes: 1 addition & 1 deletion site/agents/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@
/>
<link rel="icon" type="image/png" href="../assets/favicon.png" />
<link rel="stylesheet" href="../styles.css?v=20260622-empty-state" />
<script src="../script.js?v=20260622-empty-state" defer></script>
<script src="../script.js?v=20260622-url-state" defer></script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
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2 changes: 1 addition & 1 deletion site/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@
]
}
</script>
<script src="./script.js?v=20260622-empty-state" defer></script>
<script src="./script.js?v=20260622-url-state" defer></script>
<title>Loop Library: Repeatable AI Agent Workflows | Forward Future</title>
</head>
<body>
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2 changes: 1 addition & 1 deletion site/learn/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@
/>
<link rel="icon" type="image/png" href="../assets/favicon.png" />
<link rel="stylesheet" href="../styles.css?v=20260622-empty-state" />
<script src="../script.js?v=20260622-empty-state" defer></script>
<script src="../script.js?v=20260622-url-state" defer></script>
<script type="application/ld+json">
{
"@context": "https://schema.org",
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102 changes: 86 additions & 16 deletions site/script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,65 @@ function updateLibrary() {
window.requestAnimationFrame(syncVisiblePromptToggles);
}

// Keep the library's state shareable without discarding tracking or other
// query parameters owned by the surrounding site.
function syncUrlState(method = "replace") {
if (typeof window.history?.replaceState !== "function") {
return;
}

const params = new URLSearchParams(window.location.search);
const query = searchInput?.value.trim() ?? "";

if (query) {
params.set("q", query);
} else {
params.delete("q");
}

if (activeCategory && activeCategory !== "all") {
params.set("category", activeCategory);
} else {
params.delete("category");
}

if (currentPage > 1) {
params.set("page", String(currentPage));
} else {
params.delete("page");
}

const search = params.toString();
const nextUrl = `${window.location.pathname}${search ? `?${search}` : ""}${
window.location.hash
}`;
const currentUrl = `${window.location.pathname}${window.location.search}${window.location.hash}`;

if (nextUrl === currentUrl) {
return;
}

if (method === "push" && typeof window.history.pushState === "function") {
window.history.pushState(null, "", nextUrl);
} else {
window.history.replaceState(null, "", nextUrl);
}
}

function readUrlState() {
const params = new URLSearchParams(window.location.search);

if (searchInput) {
searchInput.value = params.get("q") ?? "";
}

applyCategory(params.get("category") ?? "all");

const requestedPage = Number.parseInt(params.get("page") ?? "1", 10);
currentPage =
Number.isInteger(requestedPage) && requestedPage > 0 ? requestedPage : 1;
}

function focusFirstVisibleLoop() {
const firstVisibleTitle = loopRows
.find((row) => !row.hidden)
Expand All @@ -249,24 +308,32 @@ if (searchInput) {
const resetSearchPage = () => {
currentPage = 1;
updateLibrary();
syncUrlState("replace");
};

searchInput.addEventListener("input", resetSearchPage);
searchInput.addEventListener("search", resetSearchPage);
}

function applyCategory(category) {
const known = categoryFilters.some(
(filter) => filter.dataset.categoryFilter === category,
);
activeCategory = known ? category : "all";

categoryFilters.forEach((candidate) => {
const isActive = candidate.dataset.categoryFilter === activeCategory;
candidate.classList.toggle("is-active", isActive);
candidate.setAttribute("aria-pressed", String(isActive));
});
}

categoryFilters.forEach((filter) => {
filter.addEventListener("click", () => {
activeCategory = filter.dataset.categoryFilter;
applyCategory(filter.dataset.categoryFilter);
currentPage = 1;

categoryFilters.forEach((candidate) => {
const isActive = candidate === filter;
candidate.classList.toggle("is-active", isActive);
candidate.setAttribute("aria-pressed", String(isActive));
});

updateLibrary();
syncUrlState("push");
});
});

Expand All @@ -278,16 +345,10 @@ if (clearFiltersButton) {
searchInput.value = "";
}

activeCategory = "all";
applyCategory("all");
currentPage = 1;

categoryFilters.forEach((candidate) => {
const isActive = candidate.dataset.categoryFilter === "all";
candidate.classList.toggle("is-active", isActive);
candidate.setAttribute("aria-pressed", String(isActive));
});

updateLibrary();
syncUrlState("push");
searchInput?.focus();
});
}
Expand All @@ -297,6 +358,7 @@ if (paginationPrevious) {
if (currentPage > 1) {
currentPage -= 1;
updateLibrary();
syncUrlState("push");
focusFirstVisibleLoop();
}
});
Expand All @@ -306,11 +368,19 @@ if (paginationNext) {
paginationNext.addEventListener("click", () => {
currentPage += 1;
updateLibrary();
syncUrlState("push");
focusFirstVisibleLoop();
});
}

readUrlState();
updateLibrary();
syncUrlState("replace");

window.addEventListener("popstate", () => {
readUrlState();
updateLibrary();
});

let promptResizeFrame;
window.addEventListener("resize", () => {
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