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Fix (de)serialization bug in VersionedMap

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Zaid Humaimidi
2025-02-12 19:05:08 -08:00
parent 4be39ed742
commit 49cdd39617
1 changed files with 5 additions and 1 deletions
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6
lib/versioned-map.ts
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@@ -112,6 +112,8 @@ export default class VersionedMap<K, V> {
prev = v;
}
if (prev === NONEXISTENT && !res.delete) return null;
return res;
}
@@ -122,6 +124,8 @@ export default class VersionedMap<K, V> {
del,
);
if (!mutations) return;
const revisions = [];
let prev: V | symbol = NONEXISTENT;
@@ -149,7 +153,7 @@ export default class VersionedMap<K, V> {
public *diff(): IterableIterator<[K, V, V]> {
for (const [key, revisions] of this.map) {
if (revisions.length === 1) continue;
if (revisions.length <= 1) continue;
let first = revisions[0];
let last = revisions[revisions.length - 1];
if (first === NONEXISTENT && last === NONEXISTENT) continue;