code refactoring, switch to rxjs websocket wrapper

frontend/src/types/index.d.ts

@@ -0,0 +1,63 @@
+export type RPCMethods =
+  | "Service.Exec"
+  | "Service.Kill"
+  | "Service.Clear"
+  | "Service.Running"
+  | "Service.KillAll"
+  | "Service.FreeSpace"
+  | "Service.Formats"
+  | "Service.DirectoryTree"
+  | "Service.UpdateExecutable"
+
+export type RPCRequest = {
+  method: RPCMethods,
+  params?: any[],
+  id?: string
+}
+
+export type RPCResponse<T> = {
+  result: T,
+  error: number | null
+  id?: string
+}
+
+export type RPCResult = {
+  id: string
+  progress: {
+    speed: number
+    eta: number
+    percentage: string
+  }
+  info: {
+    url: string
+    filesize_approx?: number
+    resolution?: string
+    thumbnail: string
+    title: string
+    vcodec?: string
+    acodec?: string
+    ext?: string
+  }
+}
+
+export type RPCParams = {
+  URL: string
+  Params?: string
+}
+
+export interface DLMetadata {
+  formats: Array<DLFormat>,
+  best: DLFormat,
+  thumbnail: string,
+  title: string,
+}
+
+export interface DLFormat {
+  format_id: string,
+  format_note: string,
+  fps: number,
+  resolution: string,
+  vcodec: string,
+  acodec: string,
+  filesize_approx: number,
+}