v1.0.0

src/utils/storage/index.ts

@@ -0,0 +1 @@
+export * from './local'

src/utils/storage/local.ts

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+import { deCrypto, enCrypto } from '../crypto'
+
+interface StorageData<T = any> {
+  data: T
+  expire: number | null
+}
+
+export function createLocalStorage(options?: { expire?: number | null; crypto?: boolean }) {
+  const DEFAULT_CACHE_TIME = 60 * 60 * 24 * 7
+
+  const { expire, crypto } = Object.assign(
+    {
+      expire: DEFAULT_CACHE_TIME,
+      crypto: true,
+    },
+    options,
+  )
+
+  function set<T = any>(key: string, data: T) {
+    const storageData: StorageData<T> = {
+      data,
+      expire: expire !== null ? new Date().getTime() + expire * 1000 : null,
+    }
+
+    const json = crypto ? enCrypto(storageData) : JSON.stringify(storageData)
+    window.localStorage.setItem(key, json)
+  }
+
+  function get(key: string) {
+    const json = window.localStorage.getItem(key)
+    if (json) {
+      let storageData: StorageData | null = null
+
+      try {
+        storageData = crypto ? deCrypto(json) : JSON.parse(json)
+      }
+      catch {
+        // Prevent failure
+      }
+
+      if (storageData) {
+        const { data, expire } = storageData
+        if (expire === null || expire >= Date.now())
+          return data
+      }
+
+      remove(key)
+      return null
+    }
+  }
+
+  function remove(key: string) {
+    window.localStorage.removeItem(key)
+  }
+
+  function clear() {
+    window.localStorage.clear()
+  }
+
+  return {
+    set,
+    get,
+    remove,
+    clear,
+  }
+}
+
+export const ls = createLocalStorage()
+
+export const ss = createLocalStorage({ expire: null, crypto: false })