27 lines
607 B
TypeScript
27 lines
607 B
TypeScript
const STORAGE_KEY = 'stb:identity'
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export interface Identity {
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name: string
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}
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type StorageLike = Pick<Storage, 'getItem' | 'setItem'>
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export function readIdentity(storage: StorageLike): Identity | null {
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const raw = storage.getItem(STORAGE_KEY)
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if (!raw) return null
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try {
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const parsed = JSON.parse(raw)
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if (typeof parsed?.name !== 'string' || !parsed.name.trim()) return null
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return { name: parsed.name }
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}
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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 writeIdentity(storage: StorageLike, identity: Identity): void {
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storage.setItem(STORAGE_KEY, JSON.stringify(identity))
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}
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