jseval
# jseval Evaluate JavaScript on a URL through headless Chrome browser. ## build ``` docker build -t jseval -f jseval.dockerfile . ``` ## usage ``` docker run --rm jseval --help ``` ## quick start Run: ``` $ docker run --rm jseval --url "https://www.tradingview.com/" --evaluate 'JSON.stringify([document.location.href, document.title])' --headless --output ``` stdout would be like: ``` ["https://www.tradingview.com/","Free Stock Charts, Stock Quotes and Trade Ideas — TradingView"] ``` ## examples - for complicated JS ```sh docker run jseval \ --url "https://www.tradingview.com/ideas/bitcoin/" \ --evaluate "$(cat <<- EOT JSON.stringify( Array.from( document.querySelectorAll("div.tv-feed-layout__card-item[data-widget-type=\"idea\"] > div > div > a") ) .map(a => a.href) .concat(document.location.href) ) EOT )" \ --headless \ --output ``` ## help ``` Usage: jseval [options] Options: --url <url> set url --sleep <seconds> set sleep (default: 0) --evaluate <script> set script to evaluate --output output to stdout --file <file> output to file (default: "") --headless enables headless (default: false) --log enables log -h, --help display help for command ``` --- ``` todables just eval js, not console.log as a default should be like: docker run --rm jseval --url "https://www.tradingview.com/" --evaluate 'console.log(JSON.stringify([document.location.href, document.title]))' --headless --output should be able to set cookies ```