accessibility-checker
Version:
An automated testing tools for accessibility testing using Puppeteer, Selenium, or Zombie
237 lines • 12.6 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ACBrowserManager = void 0;
var puppeteer = require("puppeteer");
var ACConfigManager_1 = require("./ACConfigManager");
var ACBrowserManager = /** @class */ (function () {
function ACBrowserManager() {
}
ACBrowserManager.getBrowserChrome = function (force) {
return __awaiter(this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!!ACBrowserManager.config) return [3 /*break*/, 2];
_a = ACBrowserManager;
return [4 /*yield*/, ACConfigManager_1.ACConfigManager.getConfigUnsupported()];
case 1:
_a.config = _b.sent();
_b.label = 2;
case 2:
if (force || !ACBrowserManager.browserP) {
return [2 /*return*/, ACBrowserManager.browserP = puppeteer.launch({ headless: ACBrowserManager.config.headless, ignoreHTTPSErrors: ACBrowserManager.config.ignoreHTTPSErrors || false })];
}
else {
return [2 /*return*/, ACBrowserManager.browserP];
}
return [2 /*return*/];
}
});
});
};
ACBrowserManager.close = function () {
return __awaiter(this, void 0, void 0, function () {
var browser;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!ACBrowserManager.browserP) return [3 /*break*/, 3];
return [4 /*yield*/, ACBrowserManager.browserP];
case 1:
browser = _a.sent();
return [4 /*yield*/, browser.close()];
case 2:
_a.sent();
ACBrowserManager.browserP = null;
ACBrowserManager.pages = [];
_a.label = 3;
case 3: return [2 /*return*/];
}
});
});
};
/**
* This function is responsible for building an iframe object with the provided URL or local file.
*
* @param {String} URLorLocalFile - Provide a URL or local file to scan.
*
* @return {Object} content - return an object which contains the iframeDoc and also the URL or
* local file name.
*
* PRIVATE METHOD
*
* @memberOf this
*/
ACBrowserManager.buildIframeAndGetDoc = function (URLorLocalFileorContent) {
return __awaiter(this, void 0, void 0, function () {
function nav() {
return __awaiter(this, void 0, void 0, function () {
var urlStr, e_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 5, , 6]);
if (!URLorLocalFileorContent.toLowerCase().includes("<html")) return [3 /*break*/, 2];
urlStr = "data:text/html;charset=utf-8," + encodeURIComponent(URLorLocalFileorContent);
return [4 /*yield*/, availPage.goto(urlStr)];
case 1:
_a.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, availPage.goto(URLorLocalFileorContent)];
case 3:
_a.sent();
_a.label = 4;
case 4: return [3 /*break*/, 6];
case 5:
e_2 = _a.sent();
err = "".concat(e_2.message, " ").concat(URLorLocalFileorContent);
console.error(err);
return [2 /*return*/, null];
case 6: return [2 /*return*/, availPage];
}
});
});
}
var _a, MAX_TABS, browser, availPage, _i, _b, page, newPage, err, retVal, e_1;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!!ACBrowserManager.config) return [3 /*break*/, 2];
_a = ACBrowserManager;
return [4 /*yield*/, ACConfigManager_1.ACConfigManager.getConfigUnsupported()];
case 1:
_a.config = _c.sent();
_c.label = 2;
case 2:
MAX_TABS = ACBrowserManager.config.maxTabs;
return [4 /*yield*/, ACBrowserManager.getBrowserChrome(false)];
case 3:
browser = _c.sent();
// Clear out any pages that are already closed
ACBrowserManager.pages = ACBrowserManager.pages.filter(function (page) { return page && !page.isClosed(); });
for (_i = 0, _b = ACBrowserManager.pages; _i < _b.length; _i++) {
page = _b[_i];
if (!availPage) {
if (!page.aceBusy) {
availPage = page;
page.aceBusy = true;
}
}
}
if (!!availPage) return [3 /*break*/, 6];
if (!(ACBrowserManager.pages.length + ACBrowserManager.numInits >= MAX_TABS)) return [3 /*break*/, 4];
// Too many pages, restart
return [2 /*return*/, new Promise(function (resolve, reject) {
setTimeout(function () { return __awaiter(_this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = resolve;
return [4 /*yield*/, ACBrowserManager.buildIframeAndGetDoc(URLorLocalFileorContent)];
case 1:
_a.apply(void 0, [_b.sent()]);
return [2 /*return*/];
}
});
}); }, 500);
})];
case 4:
// Let's create a new page
++ACBrowserManager.numInits;
return [4 /*yield*/, browser.newPage()];
case 5:
newPage = _c.sent();
newPage.on('console', function (msg) {
for (var i = 0; i < msg.args.length; ++i)
console.log("".concat(i, ": ").concat(msg.args[i]));
});
newPage.aceBusy = true;
availPage = newPage;
ACBrowserManager.pages.push(newPage);
--ACBrowserManager.numInits;
_c.label = 6;
case 6:
err = null, retVal = null;
_c.label = 7;
case 7:
_c.trys.push([7, 9, , 10]);
return [4 /*yield*/, nav()];
case 8:
retVal = _c.sent();
return [3 /*break*/, 10];
case 9:
e_1 = _c.sent();
return [3 /*break*/, 10];
case 10:
if (!retVal) {
// Page bad or unable to navigate, start over
availPage.close();
return [2 /*return*/, new Promise(function (resolve, reject) {
setTimeout(function () { return __awaiter(_this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = resolve;
return [4 /*yield*/, ACBrowserManager.buildIframeAndGetDoc(URLorLocalFileorContent)];
case 1:
_a.apply(void 0, [_b.sent()]);
return [2 /*return*/];
}
});
}); }, 0);
})];
}
if (retVal === null) {
console.log("[Internal Error:load content]", err);
}
return [2 /*return*/, retVal];
}
});
});
};
;
ACBrowserManager.pages = [];
return ACBrowserManager;
}());
exports.ACBrowserManager = ACBrowserManager;
//# sourceMappingURL=ACBrowserManager.js.map