@theintern/leadfoot/lib/findDisplayed.js

Leadfoot. A JavaScript client library that brings cross-platform consistency to the Selenium WebDriver API.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var common_1 = require("@theintern/common");
var statusCodes_1 = __importDefault(require("./statusCodes"));
/**
 * Gets the first [[Element.isDisplayed|displayed]] element inside this element
 * matching the given query. This is inherently slower than [[Element.find]],
 * so should only be used in cases where the visibility of an element cannot be
 * ensured in advance.
 */
function findDisplayed(session, locator, strategy, value) {
    return session.getTimeout('implicit').then(function (originalTimeout) {
        var startTime = Date.now();
        function poll() {
            return locator.findAll(strategy, value).then(function (elements) {
                // Due to concurrency issues with at least ChromeDriver
                // 2.16, each element must be tested one at a time instead
                // of using `Promise.all`
                var i = -1;
                function checkElement() {
                    var element = elements[++i];
                    if (element) {
                        return element.isDisplayed().then(function (isDisplayed) {
                            if (isDisplayed) {
                                return element;
                            }
                            else {
                                return checkElement();
                            }
                        });
                    }
                }
                return common_1.Task.resolve(checkElement()).then(function (element) {
                    if (element) {
                        return element;
                    }
                    else if (Date.now() - startTime > originalTimeout) {
                        var error = new Error();
                        error.status = elements.length ? 11 : 7;
                        error.name = statusCodes_1.default[error.status][0];
                        error.message = statusCodes_1.default[error.status][1];
                        throw error;
                    }
                    else {
                        return poll();
                    }
                });
            });
        }
        return poll();
    });
}
exports.default = findDisplayed;
//# sourceMappingURL=findDisplayed.js.map