vscode-message-management/out/webview.js

A message management library that supports getting response values

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Messenger = void 0;
class Messenger {
    constructor(vscode, options = {}) {
        this.eventListeners = {};
        this.pendingRequests = {};
        this.sid = 0;
        this.vscode = vscode;
        this.options = options;
        this.listenMessage();
    }
    listenMessage() {
        window.addEventListener("message", async (e) => {
            const { sid, event, data } = e.data;
            if (!sid)
                return;
            // request from extension
            if (event) {
                const listener = this.eventListeners[event];
                if (!listener)
                    return;
                const response = await listener(data);
                const responseMessage = { sid, data: response };
                this.vscode.postMessage(responseMessage);
                return;
            }
            // response from extension
            const pendingRequest = this.pendingRequests[sid];
            if (!pendingRequest)
                return;
            pendingRequest(data);
        });
    }
    getSid() {
        return `${this.sid++}`;
    }
    async request(event, data) {
        return new Promise((resolve, reject) => {
            const sid = this.getSid();
            const message = { sid, event, data };
            this.pendingRequests[sid] = resolve;
            this.vscode.postMessage(message);
            if (this.options.timeout) {
                setTimeout(() => reject("timeout"), this.options.timeout);
            }
        });
    }
    bind(event, callback) {
        this.eventListeners[event] = callback;
    }
}
exports.Messenger = Messenger;
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