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}
{
"name": "puppeter",
"version": "1.0.0",
"description": "",
"main": "script.js",
"author": "",
"license": "ISC",
"dependencies": {
"puppeteer": "^1.11.0",
"yargs": "^12.0.5"
}
}
#!/usr/bin/env node
"use strict";
const puppeteer = require("puppeteer");
let argv = require("yargs")
.usage("$0 <url>")
.command(
"$0 <url>",
"collect metric for given url",
(yargs) => {
yargs.positional("url", {
describe: "the url to use to collect metrics",
type: "string"
});
},
async (argv) => {
const args = []; // ['--no-sandbox'];
const browser = await puppeteer.launch({args: args});
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#browserversion
console.log(await browser.version());
const page = await browser.newPage();
// TODO: user agent - Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/72.0.3617.0 Safari/537.36
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#pagesetviewportviewport
page.setViewport({width: 1920, height: 1080});
// events
page.on('console', msg => console.log('PAGE LOG:', msg.text()));
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#event-request
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#class-request
page.on('request', req => console.log('Request: ', req.method(), req.url(), req.headers(), req.resourceType()));
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#class-response
page.on('response', resp => console.log('Response: HTTP ', resp.status(), resp.statusText(), resp.headers(), resp.text()));
await page.goto(argv.url);
// basic page information (e.g. DOM nodes, frames)
let metrics = await page.metrics();
console.log(metrics);
// cookies
// https://github.com/GoogleChrome/puppeteer/blob/v1.11.0/docs/api.md#pagecookiesurls
console.log(await page.cookies());
// Get the "viewport" of the page, as reported by the page.
const dimensions = await page.evaluate(() => {
return {
width: document.documentElement.clientWidth,
height: document.documentElement.clientHeight,
deviceScaleFactor: window.devicePixelRatio
};
});
console.log('Dimensions:', dimensions);
await page.screenshot({path: 'screenshot.png'});
await browser.close();
}
)
.help().argv;
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