main repo

node_modules/next/dist/esm/client/components/router-reducer/is-navigating-to-new-root-layout.js

@@ -0,0 +1,35 @@
+export function isNavigatingToNewRootLayout(currentTree, nextTree) {
+    // Compare segments
+    const currentTreeSegment = currentTree[0];
+    const nextTreeSegment = nextTree[0];
+    // If any segment is different before we find the root layout, the root layout has changed.
+    // E.g. /same/(group1)/layout.js -> /same/(group2)/layout.js
+    // First segment is 'same' for both, keep looking. (group1) changed to (group2) before the root layout was found, it must have changed.
+    if (Array.isArray(currentTreeSegment) && Array.isArray(nextTreeSegment)) {
+        // Compare dynamic param name and type but ignore the value, different values would not affect the current root layout
+        // /[name] - /slug1 and /slug2, both values (slug1 & slug2) still has the same layout /[name]/layout.js
+        if (currentTreeSegment[0] !== nextTreeSegment[0] || currentTreeSegment[2] !== nextTreeSegment[2]) {
+            return true;
+        }
+    } else if (currentTreeSegment !== nextTreeSegment) {
+        return true;
+    }
+    // Current tree root layout found
+    if (currentTree[4]) {
+        // If the next tree doesn't have the root layout flag, it must have changed.
+        return !nextTree[4];
+    }
+    // Current tree  didn't have its root layout here, must have changed.
+    if (nextTree[4]) {
+        return true;
+    }
+    // We can't assume it's `parallelRoutes.children` here in case the root layout is `app/@something/layout.js`
+    // But it's not possible to be more than one parallelRoutes before the root layout is found
+    // TODO-APP: change to traverse all parallel routes
+    const currentTreeChild = Object.values(currentTree[1])[0];
+    const nextTreeChild = Object.values(nextTree[1])[0];
+    if (!currentTreeChild || !nextTreeChild) return true;
+    return isNavigatingToNewRootLayout(currentTreeChild, nextTreeChild);
+}
+
+//# sourceMappingURL=is-navigating-to-new-root-layout.js.map