55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
/**
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* @file splitViewStorage.ts
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* @description Persists the Workspace page's split-terminal layout (1/2/4
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* panes) and each pane's chosen lane id to localStorage, so the layout
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* survives a page reload. Follows the same read/write-with-fallback
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* convention as useTheme.ts.
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* @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
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*/
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export type SplitLayout = 1 | 2 | 4;
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export interface SplitViewState {
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layout: SplitLayout;
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paneLaneIds: (number | null)[];
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}
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const STORAGE_KEY = "ccam.workspace.splitView";
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export function defaultSplitViewState(): SplitViewState {
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return { layout: 1, paneLaneIds: [null] };
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}
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function isValidLayout(value: unknown): value is SplitLayout {
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return value === 1 || value === 2 || value === 4;
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}
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function isValidState(value: unknown): value is SplitViewState {
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if (!value || typeof value !== "object") return false;
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const v = value as Record<string, unknown>;
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return (
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isValidLayout(v.layout) &&
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Array.isArray(v.paneLaneIds) &&
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v.paneLaneIds.every((id) => id === null || typeof id === "number")
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);
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}
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export function readSplitViewState(): SplitViewState {
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try {
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const raw = localStorage.getItem(STORAGE_KEY);
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if (!raw) return defaultSplitViewState();
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const parsed: unknown = JSON.parse(raw);
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return isValidState(parsed) ? parsed : defaultSplitViewState();
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} catch {
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return defaultSplitViewState();
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}
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}
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export function writeSplitViewState(state: SplitViewState): void {
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try {
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localStorage.setItem(STORAGE_KEY, JSON.stringify(state));
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} catch {
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/* ignore quota / disabled storage */
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}
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}
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