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page-coverage

1.3.0 • Public • Published

page-coverage

Coverage Demo

NPM version node dependencies Status devDependencies Status peerDependencies Status

Collect the information about JS and CSS code overage and usage from any page with a little help of Puppeteer

Installation

You can install the plugin globally using NPM:

npm install page-coverage -g

or by Yarn:

yarn global add page-coverage 

How to use it

Open your favourite terminal and type command:

page-coverage <<url>>

ex.

page-coverage http://gtihub.com/macku/page-coverage

Then wait for the tool to finish collecting coverage.

In the results table, you can find the information about all of the downloaded JS and CSS files from the page. What is most important you can read the usage of each file. The green bar means how much code from the file content was actually executed on the page.

Options

The page-coverage utility allows you to pass additional parameters and customize the request.

Additional request headers

You can pass the custom HTTP request headers by using the --header (or -H) parameter:

page-coverage https://google.com --header "MyCustomHeader: Value"
page-coverage https://google.com --header "MyCustomHeader: Value" --header "Foo: Bar"

Set request cookies

You can set the custom request cookie before fetching the URL by passing the --cookie (or -b) parameter:

page-coverage https://google.com --cookie "SESSIONID=1234567890ABCDEF"
page-coverage https://google.com --cookie "SESSIONID=1234567890ABCDEF" --cookie "foo=bar; secure; domain=google.com; path=/"

Request timeout

You can set the custom request timeout (in seconds) by passing the --timeout (or -t) parameter. Default value is 30 seconds

page-coverage https://google.com --timeout 45

Post request

If you would like to send the POST request instead of the default GET you force it by using --post parameter and pass the post data:

page-coverage https://login.my-page.com/auth --post "login=admin&password=supersecret123" --header "Content-Type: application/x-www-form-urlencoded"

JSON output

Use the --json parameter to output the results in JSON format:

page-coverage https://google.com --json
 
{"url":"https://google.com","coverage":[{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":13235,"usedBytesTotal":6154,"unusedBytesTotal":7081,"usedPercentage":46.497922176048355,"unusedPercentage":53.502077823951645},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":16425,"usedBytesTotal":9362,"unusedBytesTotal":7063,"usedPercentage":56.99847792998478,"unusedPercentage":43.00152207001522},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":180,"usedBytesTotal":145,"unusedBytesTotal":35,"usedPercentage":80.55555555555556,"unusedPercentage":19.444444444444443},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":47,"usedBytesTotal":46,"unusedBytesTotal":1,"usedPercentage":97.87234042553192,"unusedPercentage":2.127659574468085},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":5030,"usedBytesTotal":4980,"unusedBytesTotal":50,"usedPercentage":99.00596421471172,"unusedPercentage":0.9940357852882704},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":97422,"usedBytesTotal":26469,"unusedBytesTotal":70953,"usedPercentage":27.16942784997228,"unusedPercentage":72.83057215002772},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":586,"usedBytesTotal":585,"unusedBytesTotal":1,"usedPercentage":99.82935153583618,"unusedPercentage":0.17064846416382254},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":108,"usedBytesTotal":79,"unusedBytesTotal":29,"usedPercentage":73.14814814814815,"unusedPercentage":26.85185185185185},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":3145,"usedBytesTotal":2201,"unusedBytesTotal":944,"usedPercentage":69.98410174880763,"unusedPercentage":30.015898251192368},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":54,"usedBytesTotal":53,"unusedBytesTotal":1,"usedPercentage":98.14814814814815,"unusedPercentage":1.8518518518518519},{"url":"https://www.google.com.au/xjs/_/js/k=xjs.s.en.lyr4rn8yglg.O/m=sx,sb,cdos,cr,elog,hsm,jsa,r,d,csi/am=wCL0eMEByP8PAooEKwgsQJpgGBo/rt=j/d=1/t=zcms/rs=ACT90oGrbOo1vCvlvmGsLydMGrnvYiqBeg","type":"JS","totalBytes":424447,"usedBytesTotal":187308,"unusedBytesTotal":237139,"usedPercentage":44.12989136452843,"unusedPercentage":55.87010863547157},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":17,"usedBytesTotal":9,"unusedBytesTotal":8,"usedPercentage":52.94117647058823,"unusedPercentage":47.05882352941177},{"url":"https://www.google.com.au/xjs/_/js/k=xjs.s.en.zlbS1JZBH0k.O/m=aa,abd,async,dvl,foot,fpe,ipv6,lu,m,mu,sf,sonic,spch,d3l,udlg/am=wCL0eMEByP8PAooEKwgsQJpgGBo/exm=sx,sb,cdos,cr,elog,hsm,jsa,r,d,csi/rt=j/d=1/ed=1/t=zcms/rs=ACT90oGDsG_D3aIH2xzeiP0XK5yp4EbhGw?xjs=s1","type":"JS","totalBytes":101730,"usedBytesTotal":25525,"unusedBytesTotal":76205,"usedPercentage":25.09092696353092,"unusedPercentage":74.90907303646908},{"url":"https://www.gstatic.com/og/_/js/k=og.og2.en_US.PhjXuBK65wA.O/rt=j/m=def/exm=in,fot/d=1/ed=1/rs=AA2YrTvynzQW2hx1c545H7wM3PtueoFk7Q","type":"JS","totalBytes":138739,"usedBytesTotal":31958,"unusedBytesTotal":106781,"usedPercentage":23.03461896078248,"unusedPercentage":76.96538103921752},{"url":"https://apis.google.com/_/scs/abc-static/_/js/k=gapi.gapi.en.29tAKSAI8cc.O/m=gapi_iframes,googleapis_client,plusone/rt=j/sv=1/d=1/ed=1/am=IA/rs=AHpOoo82FxkTgGRAoVn-fgFU3zdQ5QIqEw/cb=gapi.loaded_0","type":"JS","totalBytes":139143,"usedBytesTotal":40690,"unusedBytesTotal":98453,"usedPercentage":29.243296464788017,"unusedPercentage":70.75670353521198},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"JS","totalBytes":132,"usedBytesTotal":105,"unusedBytesTotal":27,"usedPercentage":79.54545454545455,"unusedPercentage":20.454545454545453},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":33059,"usedBytesTotal":5844,"unusedBytesTotal":27215,"usedPercentage":17.677485707371673,"unusedPercentage":82.32251429262833},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":2118,"usedBytesTotal":802,"unusedBytesTotal":1316,"usedPercentage":37.86591123701605,"unusedPercentage":62.13408876298395},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":313,"usedBytesTotal":145,"unusedBytesTotal":168,"usedPercentage":46.325878594249204,"unusedPercentage":53.674121405750796},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":8949,"usedBytesTotal":224,"unusedBytesTotal":8725,"usedPercentage":2.5030729690468263,"unusedPercentage":97.49692703095317},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":63,"usedBytesTotal":0,"unusedBytesTotal":63,"usedPercentage":0,"unusedPercentage":100},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":651,"usedBytesTotal":571,"unusedBytesTotal":80,"usedPercentage":87.71121351766513,"unusedPercentage":12.288786482334869},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":355,"usedBytesTotal":0,"unusedBytesTotal":355,"usedPercentage":0,"unusedPercentage":100},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":1648,"usedBytesTotal":592,"unusedBytesTotal":1056,"usedPercentage":35.92233009708738,"unusedPercentage":64.07766990291262},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":100,"usedBytesTotal":44,"unusedBytesTotal":56,"usedPercentage":44,"unusedPercentage":56},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":173,"usedBytesTotal":142,"unusedBytesTotal":31,"usedPercentage":82.08092485549133,"unusedPercentage":17.91907514450867},{"url":"https://www.google.com.au/?gfe_rd=cr&dcr=0&ei=ByCWWqWCH5Hr8weAwY2ICA","type":"CSS","totalBytes":13487,"usedBytesTotal":29,"unusedBytesTotal":13458,"usedPercentage":0.21502187291466157,"unusedPercentage":99.78497812708534}]}

install

npm i page-coverage

Downloadsweekly downloads

8

version

1.3.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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