html-pdf-chrome/dist/CompletionTriggers/Callback.js

HTML to PDF and image converter via Chrome/Chromium

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.Callback = void 0;
const CompletionTrigger_1 = require("./CompletionTrigger");
/**
 * Waits for a callback to be called.
 *
 * @export
 * @class Callback
 * @extends {CompletionTrigger}
 */
class Callback extends CompletionTrigger_1.CompletionTrigger {
    /**
     * Creates an instance of the Callback CompletionTrigger.
     * @param {string} [callbackName] the name of the callback to listen for.
     *  Defaults to htmlPdfCb.
     * @param {number} [timeout] ms to wait until timing out.
     * @memberof Callback
     */
    constructor(callbackName, timeout) {
        super(timeout);
        this.callbackName = callbackName;
    }
    async wait(client) {
        const { Runtime } = client;
        const cbName = this.callbackName || 'htmlPdfCb';
        return Runtime.evaluate({
            awaitPromise: true,
            expression: `
        new Promise((resolve, reject) => {
          ${cbName} = resolve;
          setTimeout(() => reject('${this.timeoutMessage}'), ${this.timeout});
        })`,
        });
    }
}
exports.Callback = Callback;
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