43 lines
No EOL
2.1 KiB
JavaScript
Executable file
43 lines
No EOL
2.1 KiB
JavaScript
Executable file
import { PrefetchHint } from '../../../shared/lib/app-router-types';
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export function isNavigatingToNewRootLayout(currentTree, nextTree) {
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// Compare segments
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const currentTreeSegment = currentTree[0];
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const nextTreeSegment = nextTree.segment;
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// If any segment is different before we find the root layout, the root layout has changed.
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// E.g. /same/(group1)/layout.js -> /same/(group2)/layout.js
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// First segment is 'same' for both, keep looking. (group1) changed to (group2) before the root layout was found, it must have changed.
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if (Array.isArray(currentTreeSegment) && Array.isArray(nextTreeSegment)) {
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// Compare dynamic param name and type but ignore the value, different values would not affect the current root layout
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// /[name] - /slug1 and /slug2, both values (slug1 & slug2) still has the same layout /[name]/layout.js
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if (currentTreeSegment[0] !== nextTreeSegment[0] || currentTreeSegment[2] !== nextTreeSegment[2]) {
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return true;
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}
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} else if (currentTreeSegment !== nextTreeSegment) {
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return true;
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}
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// Current tree root layout found
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const currentIsRootLayout = ((currentTree[4] ?? 0) & PrefetchHint.IsRootLayout) !== 0;
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const nextIsRootLayout = (nextTree.prefetchHints & PrefetchHint.IsRootLayout) !== 0;
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if (currentIsRootLayout) {
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// If the next tree doesn't have the root layout flag, it must have changed.
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return !nextIsRootLayout;
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}
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// Current tree didn't have its root layout here, must have changed.
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if (nextIsRootLayout) {
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return true;
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}
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const slots = nextTree.slots;
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const currentTreeChildren = currentTree[1];
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if (slots !== null) {
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for(const slot in slots){
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const nextTreeChild = slots[slot];
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const currentTreeChild = currentTreeChildren[slot];
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if (currentTreeChild === undefined || isNavigatingToNewRootLayout(currentTreeChild, nextTreeChild)) {
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return true;
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}
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}
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}
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return false;
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}
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//# sourceMappingURL=is-navigating-to-new-root-layout.js.map
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