@truenewx/tnxcore/src/util/storage.ts

互联网技术解决方案：JavaScript核心扩展支持

export const SessionStorage = {
    get(key: string): any | null {
        if (key) {
            const s = sessionStorage.getItem(key);
            if (s !== null) {
                try {
                    return JSON.parse(s);
                } catch (e) {
                    console.warn(e);
                }
            }
        }
        return null;
    },

    set(key: string, value: any): void {
        if (key) {
            try {
                sessionStorage.setItem(key, JSON.stringify(value));
            } catch (e) {
                console.warn(e);
            }
        }
    },

    remove(key: string): void {
        if (key) {
            sessionStorage.removeItem(key);
        }
    },

    clear(): void {
        sessionStorage.clear();
    },
}

export const LocalStorage = {
    get(key: string): any | null {
        if (key) {
            const s = localStorage.getItem(key);
            if (s !== null) {
                try {
                    const v = JSON.parse(s);
                    if (v && typeof v === 'object' && 'expiresAt' in v) {
                        const expiresAt = v.expiresAt;
                        const ts = Date.parse(expiresAt);
                        if (!isNaN(ts) && Date.now() >= ts) {
                            localStorage.removeItem(key);
                            return null;
                        }
                    }
                    if (v && typeof v === 'object' && 'value' in v) {
                        return v.value;
                    }
                    return v;
                } catch (e) {
                    console.warn(e);
                }
            }
        }
        return null;
    },

    set(key: string, value: any, timeout?: number): void {
        if (key) {
            let payload: any = value;
            if (typeof timeout === 'number' && timeout > 0) {
                const expires = new Date(Date.now() + timeout);
                payload = {
                    value,
                    expiresAt: expires.toISOString(),
                }
            }
            try {
                localStorage.setItem(key, JSON.stringify(payload));
            } catch (e) {
                console.warn(e);
            }
        }
    },

    remove(key: string): void {
        if (key) {
            localStorage.removeItem(key);
        }
    },

    clear(): void {
        localStorage.clear();
    },
}

export default {
    session: SessionStorage,
    local: LocalStorage,
}