import { useGlobal } from "context" ; import { parseWeights } from "parsedData" ; import React , { useState } from "react" ; import "styles/Header.css" ; const Header = ( ) => { const global = useGlobal ( ) ; const [ showMessage , setShowMessage ] = useState ( false ) ; const copyLink = ( ) => { const params = new URLSearchParams ( ) ; const names = [ ... global . selectedLangs ] . map ( ( name ) => name . toLowerCase ( ) ) ; params . append ( "y" , global . metric ) ; if ( global . metric === "mean" ) { const customWeights = new URLSearchParams ( ) ; Object . entries ( parseWeights ( global . weights ) ) . forEach ( ( [ key , value ] ) => { customWeights . append ( key , String ( value ) ) ; } ) ; params . append ( "weights" , customWeights . toString ( ) ) ; } if ( global . scale !== "linear" ) { params . append ( "yscale" , global . scale ) ; } params . append ( "names" , names . join ( "," ) ) ; const url = new URL ( window . location . href ) ; url . hash = String ( params ) ; var textarea = document . createElement ( "textarea" ) ; textarea . textContent = String ( url ) ; textarea . style . position = "fixed" ; document . body . appendChild ( textarea ) ; textarea . select ( ) ; document . execCommand ( "copy" ) ; document . body . removeChild ( textarea ) ; setShowMessage ( true ) ; setTimeout ( ( ) => setShowMessage ( false ) , 1000 ) ; } ; return ( < div className = "header" > < div > < a href = "https://github.com/tjpalmer/languish" className = "github-corner" title = "View source and project info" > < svg width = "80" height = "80" viewBox = "0 0 250 250" fill = "#fff" color = "#333" style = { { position : "absolute" , top : 0 , border : 0 , left : 0 , transform : "scale(-1, 1)" , } } aria - hidden = "true" > < path d = "M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z" > < /path> < path d = "M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill = "currentColor" style = { { transformOrigin : "130px 106px" } } className = "octo-arm" > < /path> < path d = "M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill = "currentColor" className = "octo-body" > < /path> < /svg> < /a> < /div> < h1 > < a href = "." > Languish < /a> < /h1> < h2 > < div title = "Current data from public GitHub projects" > Programming Language Trends < /div> < div > ... for more , { " " } < a href = "https://www.youtube.com/channel/UCS4FAVeYW_IaZqAbqhlvxlA" title = "Context Free - YouTube channel about programming languages" > subscribe to Context Free < /a> < /div> < /h2> < div className = "spread" > < /div> { showMessage && < div > Copied ! < /div>} < div className = "linkBox" > < a className = "icolink link" href = "." onClick = { ( e ) => { e . preventDefault ( ) ; copyLink ( ) ; } } title = "Permalink selections" > < span className = "icon-link-2" > < /span> < /a> < /div> < /div>); } ; export default Header ;