From 76cb9c2a39d477a64824a985ade40507e3bbade1 Mon Sep 17 00:00:00 2001
From: Adam Mathes <adam@adammathes.com>
Date: Fri, 13 Feb 2026 21:34:48 -0800
Subject: feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

---
 .../istanbul-reports/lib/html-spa/src/routing.js   | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 vanilla/node_modules/istanbul-reports/lib/html-spa/src/routing.js

(limited to 'vanilla/node_modules/istanbul-reports/lib/html-spa/src/routing.js')

diff --git a/vanilla/node_modules/istanbul-reports/lib/html-spa/src/routing.js b/vanilla/node_modules/istanbul-reports/lib/html-spa/src/routing.js
new file mode 100644
index 0000000..a4d0bc7
--- /dev/null
+++ b/vanilla/node_modules/istanbul-reports/lib/html-spa/src/routing.js
@@ -0,0 +1,52 @@
+exports.setLocation = function setLocation(
+    isReplace,
+    activeSort,
+    isFlat,
+    activeFilters,
+    fileFilter,
+    expandedLines
+) {
+    const params = [
+        activeSort.sortKey,
+        activeSort.order,
+        isFlat,
+        activeFilters.low,
+        activeFilters.medium,
+        activeFilters.high,
+        encodeURIComponent(fileFilter),
+        expandedLines.map(encodeURIComponent).join(',')
+    ];
+    const newUrl = `#${params.join('/')}`;
+
+    if (newUrl === location.hash) {
+        return;
+    }
+
+    window.history[isReplace ? 'replaceState' : 'pushState'](null, '', newUrl);
+};
+
+exports.decodeLocation = function decodeLocation() {
+    const items = location.hash.substr(1).split('/');
+    if (items.length !== 8) {
+        return null;
+    }
+
+    try {
+        return {
+            activeSort: {
+                sortKey: items[0],
+                order: items[1]
+            },
+            isFlat: JSON.parse(items[2]),
+            activeFilters: {
+                low: JSON.parse(items[3]),
+                medium: JSON.parse(items[4]),
+                high: JSON.parse(items[5])
+            },
+            fileFilter: decodeURIComponent(items[6]),
+            expandedLines: items[7].split(',').map(decodeURIComponent)
+        };
+    } catch (e) {
+        return null;
+    }
+};
-- 
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