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fix(client): guard phantom-store mutations against unset game and no-op move

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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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claude (blind_chess)
2026-05-18 20:27:25 -04:00
parent 0583984723
commit bd98315fe3
1 changed files with 3 additions and 0 deletions
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packages/client/src/lib/stores/phantoms.svelte.ts
+3
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@@ -38,11 +38,13 @@ function makeStore() {
} }
function place(sq: Square, type: PieceType) { function place(sq: Square, type: PieceType) {
if (!gameId) return;
state.phantoms = { ...state.phantoms, [sq]: { color: oppColor, type } }; state.phantoms = { ...state.phantoms, [sq]: { color: oppColor, type } };
persist(); persist();
} }
function move(from: Square, to: Square) { function move(from: Square, to: Square) {
if (!gameId || from === to) return;
const p = state.phantoms[from]; const p = state.phantoms[from];
if (!p) return; if (!p) return;
const next = { ...state.phantoms }; const next = { ...state.phantoms };
@@ -53,6 +55,7 @@ function makeStore() {
} }
function remove(sq: Square) { function remove(sq: Square) {
if (!gameId) return;
const next = { ...state.phantoms }; const next = { ...state.phantoms };
delete next[sq]; delete next[sq];
state.phantoms = next; state.phantoms = next;