import WebStorageCache from 'web-storage-cache'
type CacheType = 'localStorage' | 'sessionStorage'
const getPathPrefix = () => {
const pathname = window.location.pathname.replace('mobile.html', '')
const match = pathname.match(/^\/([^\/]+)/)
return match ? `${match[1]}_` : 'de_v2_'
}
export const useCache = (type: CacheType = 'localStorage') => {
const originalCache = new WebStorageCache({ storage: type })
const prefix = getPathPrefix()
const shouldAddPrefix = (key: string): boolean => {
return key.startsWith('user.')
}
const processKey = (key: string): string => {
return shouldAddPrefix(key) ? `${prefix}${key}` : key
}
const methodsNeedKeyPrefix = new Set(['get', 'delete', 'touch', 'add', 'replace'])
const wrappedCache = new Proxy(originalCache, {
get(target, prop, receiver) {
const originalMethod = target[prop as keyof typeof target]
if (typeof originalMethod !== 'function') {
return originalMethod
}
if (methodsNeedKeyPrefix.has(prop as string)) {
return function (this: any, key: string, ...args: any[]) {
const processedKey = processKey(key)
return originalMethod.call(target, processedKey, ...args)
}
}
if (prop === 'set') {
return function (this: any, key: string, value: any, ...args: any[]) {
const processedKey = processKey(key)
return originalMethod.call(target, processedKey, value, ...args)
}
}
return originalMethod.bind(target)
}
})
return {
wsCache: wrappedCache
}
}