Macbook
70 lines
2.1 KiB
TypeScript
70 lines
2.1 KiB
TypeScript
import type { LogicNode } from './strategyTypes';
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import type { EdgeHandleBinding } from './strategyFlowLayout';
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export type SignalFlowLayoutSnapshot = {
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positions: Record<string, { x: number; y: number }>;
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edgeHandles: Record<string, EdgeHandleBinding>;
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orphans?: LogicNode[];
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};
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export type FlowLayoutChangePayload = Omit<SignalFlowLayoutSnapshot, 'orphans'> & {
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tab: 'buy' | 'sell';
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};
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export type StrategyFlowLayoutStore = {
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buy: SignalFlowLayoutSnapshot;
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sell: SignalFlowLayoutSnapshot;
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};
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const STORAGE_KEY = 'gc_se_flow_layout_v1';
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export function emptySignalFlowLayout(): SignalFlowLayoutSnapshot {
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return { positions: {}, edgeHandles: {}, orphans: [] };
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}
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export function emptyStrategyFlowLayout(): StrategyFlowLayoutStore {
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return { buy: emptySignalFlowLayout(), sell: emptySignalFlowLayout() };
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}
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export function loadStrategyFlowLayout(strategyKey: string): StrategyFlowLayoutStore | null {
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try {
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const raw = localStorage.getItem(STORAGE_KEY);
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if (!raw) return null;
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const all = JSON.parse(raw) as Record<string, StrategyFlowLayoutStore>;
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return all[strategyKey] ?? null;
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} catch {
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return null;
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}
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}
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export function saveStrategyFlowLayout(strategyKey: string, layout: StrategyFlowLayoutStore): void {
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try {
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const raw = localStorage.getItem(STORAGE_KEY);
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const all: Record<string, StrategyFlowLayoutStore> = raw ? JSON.parse(raw) : {};
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all[strategyKey] = layout;
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localStorage.setItem(STORAGE_KEY, JSON.stringify(all));
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} catch {
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/* ignore quota / private mode */
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}
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}
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export function deleteStrategyFlowLayout(strategyKey: string): void {
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try {
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const raw = localStorage.getItem(STORAGE_KEY);
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if (!raw) return;
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const all = JSON.parse(raw) as Record<string, StrategyFlowLayoutStore>;
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delete all[strategyKey];
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localStorage.setItem(STORAGE_KEY, JSON.stringify(all));
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} catch {
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/* ignore */
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}
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}
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export function migrateStrategyFlowLayout(fromKey: string, toKey: string): void {
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if (fromKey === toKey) return;
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const layout = loadStrategyFlowLayout(fromKey);
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if (!layout) return;
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saveStrategyFlowLayout(toKey, layout);
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deleteStrategyFlowLayout(fromKey);
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}
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