refactor(core): [CORE-20] type entry and converge initialization

packages/artplayer/src/storage.ts

@@ -0,0 +1,52 @@
+export default class Storage {
+  declare name: string
+  declare settings: Record<PropertyKey, unknown>
+
+  constructor() {
+    this.name = 'artplayer_settings'
+    this.settings = {}
+  }
+
+  get(key?: PropertyKey): unknown {
+    try {
+      // Preserve JSON.parse(null), primitive payloads and truthy-key selection.
+      const storage = (JSON.parse(window.localStorage.getItem(this.name) as string) || {}) as Record<PropertyKey, unknown>
+      return key ? storage[key] : storage
+    }
+    catch {
+      return key ? this.settings[key] : this.settings
+    }
+  }
+
+  set(key: PropertyKey, value: unknown): void {
+    try {
+      const storage = Object.assign({}, this.get(), {
+        [key]: value,
+      })
+      window.localStorage.setItem(this.name, JSON.stringify(storage))
+    }
+    catch {
+      this.settings[key] = value
+    }
+  }
+
+  del(key: PropertyKey): void {
+    try {
+      const storage = this.get() as Record<PropertyKey, unknown>
+      delete storage[key]
+      window.localStorage.setItem(this.name, JSON.stringify(storage))
+    }
+    catch {
+      delete this.settings[key]
+    }
+  }
+
+  clear(): void {
+    try {
+      window.localStorage.removeItem(this.name)
+    }
+    catch {
+      this.settings = {}
+    }
+  }
+}