44 lines
1.2 KiB
TypeScript
44 lines
1.2 KiB
TypeScript
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import type { ShellHistoryEntry } from '../../domain/models';
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type Listener = () => void;
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/**
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* External store for shell history so History side-panel / snippets consumers
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* can subscribe without forcing TerminalLayer re-renders on every command.
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*/
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class ShellHistoryStore {
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private snapshot: readonly ShellHistoryEntry[] = [];
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private listeners = new Set<Listener>();
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getSnapshot = (): readonly ShellHistoryEntry[] => this.snapshot;
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subscribe = (listener: Listener): (() => void) => {
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this.listeners.add(listener);
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return () => {
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this.listeners.delete(listener);
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};
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};
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setSnapshot(next: readonly ShellHistoryEntry[]): void {
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if (this.snapshot === next) return;
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this.snapshot = next;
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for (const listener of this.listeners) {
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listener();
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}
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}
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}
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export const shellHistoryStore = new ShellHistoryStore();
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export function publishShellHistorySnapshot(entries: readonly ShellHistoryEntry[]): void {
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shellHistoryStore.setSnapshot(entries);
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}
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export function getShellHistorySnapshot(): readonly ShellHistoryEntry[] {
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return shellHistoryStore.getSnapshot();
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}
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export function subscribeShellHistory(listener: Listener): () => void {
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return shellHistoryStore.subscribe(listener);
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}
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