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When browser is supported\r\n * those scripts are inserted as html elements and executed.\r\n *\r\n * @param {string} contentId Used to locate textarea with protected scripts and insert target script tags\r\n * @param {string} logoUrl Url to logo used in unsupported page layout\r\n */\r\nexport const run = (contentId: string, logoUrl: string) => {\r\n    var unsupportedInfo: UnsupportedInfo;\r\n\r\n    // support testing using ubc-force-error and ubc-force-ok url tags\r\n    if (window.location.href.indexOf(\"ubc-force-error\") >= 0) {\r\n        unsupportedInfo = {\r\n            features: [ \"TEST\" ],\r\n            expressions: []\r\n        }\r\n    } else if (window.location.href.indexOf(\"ubc-force-ok\") >= 0) {\r\n        unsupportedInfo = {\r\n            features: [],\r\n            expressions: []\r\n        }\r\n    } else {\r\n        unsupportedInfo = getUnsupportedFeatures();\r\n    }\r\n\r\n    if (unsupportedInfo.features.length > 0) {\r\n        handleBrowserUnsupported(unsupportedInfo, logoUrl);\r\n    } else {\r\n        handleBrowserSupported(contentId);\r\n    }\r\n}\r\n\r\n/**\r\n * Handles supported browser case\r\n * - scripts from textarea are included as script tags to dom and loaded\r\n *\r\n * @param {string} contentId Enclosing div id\r\n */\r\nconst handleBrowserSupported = (contentId: string) => {\r\n        // get wrapper div element to operate on.\r\n        const wrapperEl = document.getElementById(contentId);\r\n        if (!wrapperEl) {\r\n            throw new Error(\"No enclosing div with id \"+ contentId);\r\n        }\r\n\r\n        // get html content from textarea\r\n        const textAreas = wrapperEl.getElementsByTagName(\"textarea\");\r\n        if (textAreas.length === 0) {\r\n            throw new Error(\"No textarea inside #\"+ contentId);\r\n        }\r\n        const conentToInclude = textAreas[0].childNodes.length === 0 ? \"\" : textAreas[0].childNodes[0].nodeValue;\r\n\r\n        // get all scripts from textarea content\r\n        const tempEl = document.createElement(\"div\");\r\n        tempEl.innerHTML = conentToInclude ?? \"\";\r\n\r\n        // scripts inserted via innerHtml would not execute - https://www.w3.org/TR/2008/WD-html5-20080610/dom.html#innerhtml0\r\n        tempEl.querySelectorAll(\"script\").forEach(scriptEl => {\r\n            // clone element and copy all attributes\r\n            var cloned = document.createElement(\"script\");\r\n\r\n            Array.from(scriptEl.attributes).forEach(attr => cloned.setAttribute(attr.name, attr.value));\r\n            wrapperEl.insertAdjacentElement(\"beforeend\", cloned)\r\n        });\r\n}\r\n\r\n/**\r\n * Handle unsupported browser detected case\r\n * - report unsupported features to AI and console\r\n * - show unsupported browser screen\r\n *\r\n * @param {UnsupportedInfo} unsupported Unsupported features info\r\n * @param {string} logoUrl Logo url to replace in unsupported screen template\r\n */\r\nconst handleBrowserUnsupported = (unsupported: UnsupportedInfo, logoUrl: string) => {\r\n    // report unsuported features to console and maybe loaded AI\r\n    if (typeof appInsights !== \"undefined\") {\r\n        appInsights.trackEvent({\r\n            name: \"BrowserBlocked\"\r\n        }, {\r\n            unsupportedFeatures: unsupported.features,\r\n            unsupportedExpressions: unsupported.expressions\r\n        }); // Send App insights event about browser being blocked\r\n        appInsights.flush();\r\n    }\r\n\r\n    // write unsupported info\r\n    if (unsupported.features.length > 0) {\r\n        console.error(\"Unsupported features detected:\", unsupported.features);\r\n    }\r\n    if (unsupported.expressions.length > 0) {\r\n        console.error(\"Unsupported expressions detected:\", unsupported.expressions);\r\n    }\r\n\r\n    // replace logo path\r\n    var replacedCss = unsupportedCss.replace('__LOGO_URL__', logoUrl);\r\n\r\n    // show unsupported screen\r\n    document.body.innerHTML = unsupportedHtml;\r\n\r\n    var styleEl = document.createElement('style');\r\n    styleEl.innerHTML = replacedCss;\r\n    document.body.appendChild(styleEl);\r\n}\r\n\r\n/**\r\n * Check unsupported features and return unsupported runtime list\r\n *\r\n * @returns Unsupported features info\r\n */\r\nconst getUnsupportedFeatures = (): UnsupportedInfo => {\r\n    var unsupportedFeatures: string[] = []; // Browser is supported if it has Proxy class and can evaluate ES6 JavaScript\r\n    var unsupportedExpressions: string[] = [];\r\n\r\n    const checkIfUnsupported = (expressions: string[]) => {\r\n        let isUnsupported = false;\r\n        for (var i = 0; i < expressions.length; i++) {\r\n            try {\r\n                eval(expressions[i]);\r\n            } catch (e) {\r\n                unsupportedExpressions.push(expressions[i]);\r\n                isUnsupported = true;\r\n            }\r\n        }\r\n        return isUnsupported;\r\n    }\r\n\r\n    const es6Features = [ // Source: http://es6-features.org/#Constants\r\n        \"() => true\",\r\n        \"() => { return true; }\",\r\n        \"(x = 7) => x\",\r\n        \"(...args) => args\",\r\n        \"[1, 2, ...[3, 4]]\",\r\n        \"`${1} + ${2}`\",\r\n        \"0b111110111\",\r\n        \"'𠮷'.codePointAt(0)\",\r\n        \"/\\s*/y\",\r\n        \"var x = 1; var y = 2; const obj = {x, y}\",\r\n        \"({ ['1' + '1']: 2 })\",\r\n        \"({ foo(a, b) { return a + b; } })\",\r\n        \"var [red, blue = 'blue', yellow] = ['red', 'blue', 'yellow']\",\r\n        \"var { red = 1, blue: { green: green2 }, yellow } = { red: 1, blue: { green: 2 }, yellow: 3 }\",\r\n        \"([red, blue]) => red + blue\",\r\n        \"({ set lang(length) { this._lang = length } })\",\r\n        \"({ get lang() { return 'cz'; } })\",\r\n        \"for (let n of [1, 2, 3]) {}\",\r\n        \"function* range() { yield 1; }\",\r\n        \"async function* load() { yield await Promise.resolve(1); }\",\r\n        \"var set = new Set(); set.add(1)\",\r\n        \"var set = new WeakSet\",\r\n        \"var set = new WeakMap()\",\r\n        \"' '.repeat(4)\",\r\n        \"'hello'.startsWith('ello', 1)\",\r\n        \"'hello'.endsWith('ello')\",\r\n        \"'hello'.includes('ello')\",\r\n        \"isNaN(NaN)\",\r\n        \"Number.isSafeInteger(42)\",\r\n        \"Number.EPSILON.toString()\",\r\n        \"Math.trunc(42.7)\",\r\n        \"Math.sign(-1)\",\r\n        \"new Promise(resolve => resolve())\",\r\n        \"new Intl.Collator('de')\",\r\n        \"new Intl.NumberFormat('en-US')\",\r\n        \"new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD' })\",\r\n        \"new Intl.DateTimeFormat('en-US')\",\r\n        \"new Uint32Array()\",\r\n        \"Object.assign({}, {}, {})\",\r\n        \"[1].find(i => i === 1); [1].findIndex(i => i === 1);\",\r\n        \"const i = 1\",\r\n        \"let i = 1\",\r\n        \"Symbol('3')\",\r\n        \"class Demo { static property2 = 1; *bar() { yield 1; } } class Demo2 extends Demo {}\"\r\n    ];\r\n    const es7Features = [ // Source: https://gist.github.com/rajaramtt/7df3702a04c644b0b62c9a64f48f3dbf#2-ecmascript-2016---es-7\r\n        \"2 ** 8\",\r\n        \"async () => await true\",\r\n        \"async function* nums() { yield 1; }\",\r\n        \"Object.getOwnPropertyDescriptors({})\",\r\n        \"Object.values({})\",\r\n        \"Object.entries({})\",\r\n        \"[7, 8].includes(2)\",\r\n        \"class Demo { property = 0; }\"\r\n    ];\r\n    const es8Features = [ // Source: https://gist.github.com/rajaramtt/7df3702a04c644b0b62c9a64f48f3dbf#2-ecmascript-2016---es-7\r\n        \"'1699'.padStart(7,0)\",\r\n        \"[1, 2, 3,]\"\r\n    ];\r\n    const es9Features = [ // Source: https://gist.github.com/rajaramtt/7df3702a04c644b0b62c9a64f48f3dbf#2-ecmascript-2016---es-7\r\n        \"new Promise((resolve) => resolve()).finally(() => {})\",\r\n        \"(async () => { for await (let value of [1]) {} })()\",\r\n        \"const { a, ...other } = { a: 5, b: 7, c: 8 }\"\r\n    ];\r\n    const es10Features = [ // Source: https://gist.github.com/rajaramtt/7df3702a04c644b0b62c9a64f48f3dbf#2-ecmascript-2016---es-7\r\n        \"[[1], [2]].flat(2)\",\r\n        \"[[1], [2]].flatMap(i => i)\",\r\n        \"Object.fromEntries([['one', 1], ['two', 2], ['three', 3]])\",\r\n        \"'   string    '.trimStart().trimEnd()\",\r\n        \"Symbol('3').description.toString()\",\r\n        \"try {} catch {}\"\r\n    ];\r\n    const es11Features = [ // Source: https://gist.github.com/rajaramtt/7df3702a04c644b0b62c9a64f48f3dbf#2-ecmascript-2016---es-7\r\n        \"BigInt(5)\",\r\n        \"({a: 5}?.b)\",\r\n        \"true ?? false\",\r\n        \"Promise.allSettled([])\",\r\n        \"'str'.matchAll(/str/g)\"\r\n    ];\r\n    if (checkIfUnsupported(es6Features)) {\r\n        unsupportedFeatures.push(\"ES6\");\r\n    }\r\n    if (checkIfUnsupported(es7Features)) {\r\n        unsupportedFeatures.push(\"ES7\");\r\n    }\r\n    if (checkIfUnsupported(es8Features)) {\r\n        unsupportedFeatures.push(\"ES8\");\r\n    }\r\n    if (checkIfUnsupported(es9Features)) {\r\n        unsupportedFeatures.push(\"ES9\");\r\n    }\r\n    if (checkIfUnsupported(es10Features)) {\r\n        unsupportedFeatures.push(\"ES10\");\r\n    }\r\n    if (checkIfUnsupported(es11Features)) {\r\n        unsupportedFeatures.push(\"ES11\");\r\n    }\r\n    if (typeof Proxy != \"function\") { // Proxy class prototype either does not exist or is not a function.\r\n        unsupportedFeatures.push(\"Proxy\");\r\n    }\r\n\r\n    return {\r\n        features: unsupportedFeatures,\r\n        expressions: unsupportedExpressions\r\n    };\r\n}"],"names":["__webpack_module_cache__","__webpack_require__","moduleId","cachedModule","undefined","exports","module","__webpack_modules__","d","definition","key","o","Object","defineProperty","enumerable","get","obj","prop","prototype","hasOwnProperty","call","r","Symbol","toStringTag","value","run","contentId","logoUrl","unsupportedInfo","window","location","href","indexOf","features","expressions","getUnsupportedFeatures","length","handleBrowserUnsupported","handleBrowserSupported","wrapperEl","document","getElementById","Error","textAreas","getElementsByTagName","conentToInclude","childNodes","nodeValue","tempEl","createElement","innerHTML","querySelectorAll","forEach","scriptEl","cloned","Array","from","attributes","attr","setAttribute","name","insertAdjacentElement","unsupported","appInsights","trackEvent","unsupportedFeatures","unsupportedExpressions","flush","console","error","replacedCss","replace","body","styleEl","appendChild","checkIfUnsupported","isUnsupported","i","eval","e","push","es6Features","es7Features","es8Features","es9Features","es10Features","es11Features","Proxy"],"sourceRoot":""}