electron-playwright-helpers/dist/general_helpers.js

Helper functions for Electron end-to-end testing using Playwright

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.electronWaitForFunction = void 0;
/**
 * Wait for a function to evaluate to true in the main Electron process. This really
 * should be part of the Playwright API, but it's not.
 *
 * This function is to `electronApp.evaluate()`
 * as `page.waitForFunction()` is `page.evaluate()`.
 *
 * @param electronApp {ElectronApplication} - the Playwright ElectronApplication
 * @param fn {Function} - the function to evaluate in the main process - must return a boolean
 * @param arg {Any} optional - an argument to pass to the function
 * @returns {Promise<void>}
 * @fulfil {void} Resolves when the function returns true
 */
async function electronWaitForFunction(electronApp, fn, arg) {
    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
    // @ts-ignore
    while (!(await electronApp.evaluate(fn, arg))) {
        // wait 100ms before trying again
        await new Promise((resolve) => setTimeout(resolve, 100));
    }
}
exports.electronWaitForFunction = electronWaitForFunction;
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