How to use the puppeteer-core/lib/FrameManager.Frame function in puppeteer-core
To help you get started, we’ve selected a few puppeteer-core examples, based on popular ways it is used in public projects.
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alixaxel / chrome-aws-lambda / source / puppeteer / lib / FrameManager.js View on Github 
let Super = null;
try {
Super = require('puppeteer/lib/FrameManager').Frame;
} catch (error) {
Super = require('puppeteer-core/lib/FrameManager').Frame;
}
Super.prototype.count = function (selector) {
return this.evaluate(
(selector) => {
return document.querySelectorAll(selector).length;
},
selector
);
};
Super.prototype.exists = function (selector) {
return this.evaluate(
(selector) => {
return document.querySelector(selector) !== null;
},puppeteer-core
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