[feat] node hosting support

src/ts/storage/nodeStorage.ts

@@ -0,0 +1,73 @@
+
+export class NodeStorage{
+    async setItem(key:string, value:Uint8Array) {
+        const da = await fetch('/api/write', {
+            method: "POST",
+            body: JSON.stringify({
+                content: Buffer.from(value).toString('base64')
+            }),
+            headers: {
+                'content-type': 'application/json',
+                'file-path': Buffer.from(key, 'utf-8').toString('hex')
+            }
+        })
+        if(da.status < 200 || da.status >= 300){
+            throw "setItem Error"
+        }
+        const data = await da.json()
+        if(data.error){
+            throw data.error
+        }
+
+    }
+    async getItem(key:string):Promise<Buffer> {
+        const da = await fetch('/api/read', {
+            method: "GET",
+            headers: {
+                'file-path': Buffer.from(key, 'utf-8').toString('hex')
+            }
+        })
+        const data = await da.json()
+        if(da.status < 200 || da.status >= 300){
+            throw "getItem Error"
+        }
+        if(data.error){
+            throw data.error
+        }
+        if(data.content === null){
+            return null
+        }
+        return Buffer.from(data.content, 'base64')
+    }
+    async keys():Promise<string[]>{
+        const da = await fetch('/api/list', {
+            method: "GET",
+        })
+        const data = await da.json()
+        if(da.status < 200 || da.status >= 300){
+            throw "listItem Error"
+        }
+        if(data.error){
+            throw data.error
+        }
+        return data.content
+    }
+    async removeItem(key:string){
+        const da = await fetch('/api/list', {
+            method: "GET",
+            headers: {
+                'file-path': Buffer.from(key, 'utf-8').toString('hex')
+            }
+        })
+        if(da.status < 200 || da.status >= 300){
+            throw "removeItem Error"
+        }
+        const data = await da.json()
+        if(data.error){
+            throw data.error
+        }
+    }
+
+
+    listItem = this.keys
+}