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
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 \
--outputhelp
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