56 lines
1.4 KiB
Plaintext
56 lines
1.4 KiB
Plaintext
import { x_SSEClient } from "x_sse_s";
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import {xSSEOptions} from "../interface.uts"
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export class SSEClientApp {
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private eventSource : x_SSEClient | null = null;
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private url : string;
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private onOpenEvt = () => { }
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private onErrorEvt = () => { }
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private onClosedEvt = () => { }
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private onMessageEvt = (data : string) => { }
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private headers:Map<string,string>
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constructor(options:xSSEOptions) {
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this.url = options.url;
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const headersOpts = options?.header??({} as UTSJSONObject)
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this.headers = headersOpts.toMap()
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}
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// 打开连接
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public connect() : void {
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if (this.eventSource||this.isConnected()) {
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console.error('已有打开的，不允许重复');
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return;
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}
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this.eventSource = new x_SSEClient(this.url,this.headers);
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this.eventSource.onOpen(this.onOpenEvt)
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this.eventSource.onError(this.onErrorEvt)
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this.eventSource.onClosed(this.onClosedEvt)
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this.eventSource.onMessage(this.onMessageEvt)
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this.eventSource.connect();
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}
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onOpen(callback:()=>void){
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this.onOpenEvt = callback
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}
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onError(callback:()=>void){
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this.onErrorEvt = callback
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}
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onClosed(callback:()=>void){
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this.onClosedEvt = callback
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}
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onMessage(callback:(data:string)=>void){
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this.onMessageEvt = callback
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}
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// 关闭连接
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public disconnect() : void {
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if (!this.eventSource) {
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return;
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}
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this.eventSource.disconnect();
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this.onClosedEvt()
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this.eventSource = null;
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}
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isConnected():boolean {
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return this.eventSource?.isConnected()??false
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}
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}
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