Split and rekonstrui
This commit is contained in:
devingfx
parent
fe7439a509
commit
0669ad31de
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@ -0,0 +1,209 @@
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const algo = { name: "AES-GCM", iv: Uint8Array.from([120,1,248,135,62,71,87,156,92,67,155,37]) }
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, parseAlgo = str=> ({ name: str.split(' ')[0], iv: Uint8Array.from(str.split(' ').slice(1)) })
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, algos = [ "AES-GCM 120 1 248 135 62 71 87 156 92 67 155 37", 'AES-CBC' ]
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//, algo = parseAlgo(algos[0])
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, $pass = $`pass input`
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, $text = $`ui-data`
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, $filename = $`[filename]`
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opener && document.documentElement.classtList.add('parented')
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// sel=opener.document.getSelection().type=='None'||'Range'
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const getParentSelection = ()=> opener && opener.document.getSelection().toString()
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const setParentSelection = str=> opener && opener.document.activeElement.setRangeText( str )
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let key
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const ivLen = 16 // the IV is always 16 bytes
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$pass.onchange = async e=>
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key = await crypto.subtle.importKey(
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'raw'
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, await crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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, algo, false, ['encrypt','decrypt']
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)
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const joinIvAndData = (iv, data)=> {
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var buf = new Uint8Array(iv.length + data.length)
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Array.prototype.forEach.call(iv, (byte, i)=> buf[i] = byte )
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Array.prototype.forEach.call(data, (byte, i)=> buf[ivLen + i] = byte )
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return buf
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}
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const separateIvFromData = buf=> Array.prototype.reduce.call( new Uint8Array(buf),
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( res, byte, i )=>
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i < ivLen
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? ( res.iv[i] = byte, res )
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: ( res.data[i - ivLen] = byte, res )
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, { iv: new Uint8Array(ivLen), data: new Uint8Array(buf.byteLength - ivLen) } )
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const encrypt = ()=> {
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return crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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.then( pwHash=> crypto.subtle.importKey('raw', pwHash, algo, false, ['encrypt']) )
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.then( key=> crypto.subtle.encrypt(algo, key, new TextEncoder().encode($text.value)) )
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//.then( ctBuffer=> $text.value = new Uint8Array(ctBuffer).toString().replace(/,/g,'O') )
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.then( ctBuffer=> $text.value = uint2String( new Uint8Array(ctBuffer) ) )
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//.then( ctBuffer=> $text.value = new TextDecoder().decode(new Uint8Array(ctBuffer)) )
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//.catch( e=> pulse('red') )
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}
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const encrypt2 = str=>
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crypto.subtle.encrypt( algo, key, new TextEncoder().encode(str) )
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//.then( ctBuffer=> $text.value = new Uint8Array(ctBuffer).toString().replace(/,/g,'O') )
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// .then( ctBuffer=> uint2String(new Uint8Array(ctBuffer)) )
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.then( ctBuffer=> $text.value = new TextDecoder().decode(new Uint8Array(ctBuffer)) )
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//.catch( e=> pulse('red') )
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const encrypt3 = ( data, iv = crypto.getRandomValues(new Uint8Array(ivLen)) )=>
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crypto.subtle.encrypt( {name: 'AES-GCM', iv}, key, data )
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// .then( encrypted=> bufferToBinaryString( joinIvAndData(iv, new Uint8Array(encrypted)).buffer ) )
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.then( encrypted=> joinIvAndData(iv, new Uint8Array(encrypted)).buffer )
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// var base64 = Unibabel.bufferToBase64(ciphered)
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// .replace(/\-/g, '+')
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// .replace(/_/g, '\/')
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// ;
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// while (base64.length % 4) {
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// base64 += '=';
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// }
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// return base64;
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// })
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const decrypt = ()=> {
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return crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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.then( pwHash=> crypto.subtle.importKey('raw', pwHash, algo, false, ['decrypt']) )
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//.then( key=> crypto.subtle.decrypt(algo, key, Uint8Array.from($text.value.split('O').map(Number)).buffer ) )
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.then( key=> crypto.subtle.decrypt(algo, key, string2Uint($text.value).buffer ) )
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//.then( key=> crypto.subtle.decrypt(algo, key, new TextEncoder().encode($text.value).buffer ) )
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.then( ptBuffer=> $text.value = new TextDecoder().decode(ptBuffer) )
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//.catch( e=> pulse('red') )
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}
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const decrypt3 = buf=> {
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let { iv, data } = separateIvFromData( buf )
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return crypto.subtle.decrypt(
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{ name: 'AES-GCM', iv }
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, key
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, data
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)/*.then(function (decrypted) {
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var base64 = bufferToUtf8(new Uint8Array(decrypted))
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// .replace(/\-/g, '+')
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// .replace(/_/g, '\/')
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// ;
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// while (base64.length % 4) {
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// base64 += '=';
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// }
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return base64
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})*/
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}
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var lastSaved
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const save = ( content, filename )=> {
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let link = document.createElement('a')
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link.setAttribute( 'download', filename )
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// If we are replacing a previously generated file we need to
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// manually revoke the object URL to avoid memory leaks.
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lastSaved && URL.revokeObjectURL( lastSaved )
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link.href = lastSaved = URL.createObjectURL( new Blob([content], {type: 'text/plain'}) )
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//link.href = makeTextFile( content )
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document.body.appendChild( link )
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// wait for the link to be added to the document
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window.requestAnimationFrame( e=> {
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link.dispatchEvent( new MouseEvent('click') )
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document.body.removeChild( link )
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})
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}
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const read = file=> new Promise( (ok,ko)=> {
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let r = new FileReader()
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r.onload = e=> ok( r.result )
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r.onerror = e=> ko()
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r.readAsText( file )
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})
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var textFile
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const makeTextFile = text=> {
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textFile && URL.revokeObjectURL(textFile)
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textFile = URL.createObjectURL( new Blob([text], {type: 'text/plain'}) )
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// returns a URL you can use as a href
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return textFile
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}
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const save2 = (file, content, type)=> window.open( "data:application/octet-stream," + encodeURIComponent(content), file )
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//// conversion ////
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const uint2string = uintArray=> String.fromCharCode.apply( null, uintArray )
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const string2uint = string=> new Uint8Array(
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btoa( string ).split('')
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.map( l=>l.charCodeAt(0) )
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)
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const buffer2bin = buf=> Array.prototype.map.call( new Uint8Array(buf), ch=> String.fromCharCode(ch) ).join('')
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const buffer2base64 = arr=> btoa( buffer2bin(arr) )
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const bin2buffer = binstr=> new Uint8Array(
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Array.prototype.map.call( new Uint8Array( binstr.length ), (ch, i)=> binstr.charCodeAt(i) )
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)
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const base642buffer = base64=> bin2buffer( atob(base64) )
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const bin2utf8 = binstr=> decodeURIComponent(
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binstr.replace(/./g, c=>
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`%${c.charCodeAt(0) < 16 ? '0' : ''}${c.charCodeAt(0).toString(16).toUpperCase()}`
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)
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)
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const buffer2utf8 = buf=> bin2utf8( buffer2bin(buf) )
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const utf82bin = str=> encodeURIComponent(str)
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// replaces any uri escape sequence, such as %0A,
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// with binary escape, such as 0x0A
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.replace(/%([0-9A-F]{2})/g, (s,$1)=> String.fromCharCode(parseInt($1, 16)) )
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const utf82buffer = str=> bin2buffer(utf82bin(str))
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const CC = {
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uint2string
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, string2uint
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, buffer2bin
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, buffer2base64
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, buffer2utf8
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, bin2buffer
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, base642buffer
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, bin2utf8
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, utf82bin
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, utf82buffer
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}
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/*const uintToString = (uintArray)=> {
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var encodedString = String.fromCharCode.apply(null, uintArray),
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decodedString = decodeURIComponent(escape(encodedString));
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return decodedString;
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}
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function stringToUint(string) {
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var string = btoa(unescape(encodeURIComponent(string))),
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charList = string.split(''),
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uintArray = [];
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for (var i = 0; i < charList.length; i++) {
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uintArray.push(charList[i].charCodeAt(0));
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}
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return new Uint8Array(uintArray);
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}
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*/
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@ -0,0 +1,20 @@
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// node konstrui provo.html spa
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// node konstrui app.html kriptopter.html
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const { writeFileSync, readFileSync } = require('fs')
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, { resolve } = require('path')
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, io = process.argv.slice(2)
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, src = /src="(.*?)"/
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, href = /href="(.*?)"/
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, type = /type="(.*?)"/
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writeFileSync(
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resolve(__dirname, io[1])
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, readFileSync( resolve(__dirname, io[0]), 'utf8')
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.replace(/<script (.*?)><\/script>/g
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, (s,$1)=> $1.match(src)
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? `<script ${$1.replace(src,'')}>/*${$1.match(src)[1]}*/${readFileSync('./'+$1.match(src)[1], 'utf8')}</script>`
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: s
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)
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, 'utf8'
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)
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/*
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<style lang="eo,en,fr">
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[_lang_] { display: none; }
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:root[lang=_lang_] [_lang_] { display: inherit; }
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:root[lang=_lang_] [_lang_\:title]:hover::after { display: inherit }
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/* [_lang_\:title]:after {
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display: none;
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position: absolute;
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background: grey;
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border: 1px solid black;
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color: white;
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padding: .1em .3em;
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margin-left: -5%;
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}
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:root[lang=_lang_] [_lang_\:title]:after { content: attr(_lang_\:title) } * /
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</style>
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*/
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// lang support
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Object.defineProperty( window, 'lang', {
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get: ()=> $`:root`.getAttribute('lang')
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, set: v=> $`:root`.setAttribute( 'lang', v )
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})
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new MutationObserver( changes=>
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changes.map( ch=> ch.attributeName == 'lang' && $`:root`.dispatchEvent(new Event('lang')) )
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)
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.observe( $`:root`, { attributes: true } )
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const lgAttReg = new RegExp( '^('+$`style[lang]`.attributes.lang.value.split(',').join('|')+'):')
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$`:root`.on`lang`( e=>
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$`*`.map( node=> [...node.attributes]
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.filter( att=> lgAttReg.test(att.name) )
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)
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.filter( arr=> arr.length )
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.map( atts=> atts.filter(att=>new RegExp('^'+lang+':').test(att.name))
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.map(att=> att.ownerElement.setAttribute(att.name.split(':').pop(),att.value) ))
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)
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// compile lang styles
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Q`style[lang]`.map( style=>
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style.innerHTML = [...style.sheet.rules]
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.map( r=> style.attributes.lang.value.split(',')
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.map( lg=> r.cssText.replace(/_lang_/g, lg) )
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.join('\n')
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)
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.join('\n')
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)
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lang = navigator.language
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@ -0,0 +1,7 @@
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<title eo>Builder test</title>
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<title eo>Konstruanto provo</title>
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<script src="konstrui.js"></script>
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<script src="./ui.js"></script>
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<script src="/lang.js" lang="eo,en,fr"></script>
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<script src="./app.js"></script>
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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/fontawesome.css" integrity="sha384-ozJwkrqb90Oa3ZNb+yKFW2lToAWYdTiF1vt8JiH5ptTGHTGcN7qdoR1F95e0kYyG" crossorigin="anonymous">
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@ -0,0 +1,96 @@
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const _s = (ss, ...pp)=> ss.map((s,i)=> s + (pp[i]||'')).join('')
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, _a = iterable=> iterable.length > 1 ? iterable : iterable[0]
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, Q = (ss, ...pp)=> [...document.querySelectorAll( _s(ss, ...pp))]
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, T = document.createElement('template')
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, DOM = (ss, ...pp)=> ( T.innerHTML = _s(ss, ...pp), document.adoptNode(T.content).childNodes )
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, $ = (ss, ...pp)=> _a( ~_s(ss, ...pp).indexOf('<') ? DOM(ss, ...pp) : Q(ss, ...pp) )
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, notify = (html,attrs)=> $`body`.add( $`<ui-toast ${attrs ? attrs : ''}>${html}</ui-toast>` )
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, bubbleOn = el=> e=> el.dispatchEvent( new ErrorEvent('Error',{bubbles:true, error:e}) )
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, pulse = color=> (document.body.style.background = color) && setTimeout(o=> document.body.style.background = 'lightgrey', 1000)
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Node.prototype.add = function( ...els )
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{
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this.append( ...els )
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return _a( els )
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}
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Node.prototype.$ = function(ss, ...pp)
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{
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return _a(
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~_s(ss, ...pp).indexOf('<')
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? this.add(...DOM(ss, ...pp))
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: [...this.querySelectorAll( _s(ss, ...pp))]
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)
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}
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Node.prototype.on = function(ss, ...pp)
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{
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let types = _s( [].concat(ss), ...pp ).split(/[,\s]/)
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return (...args)=> ( types.map( type=> this.addEventListener(type,...args)), this )
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}
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class UI extends HTMLElement {
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static get is(){ return 'ui' + this.name.replace(/[A-Z]/g, L=> '-'+L.toLocaleLowerCase()) }
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constructor()
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{
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super()
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let tpl = $`template[${this.constructor.is}]`
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tpl && this.attachShadow({mode: 'open'})
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.appendChild( tpl.content.cloneNode(true) )
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}
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}
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class Toast extends UI {
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static get duration(){ return this._duration || 10000 }
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static set duration( v ){ this._duration = v }
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connectedCallback()
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{
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setTimeout( toast=> toast.remove(), this.getAttribute('duration') || Toast.duration, this )
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}
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}
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class Data extends UI {
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static get observedAttributes(){ return ['bin','uint','utf8','base64','frame'] }
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connectedCallback()
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{
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// this.observer = new MutationObserver(
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// changes=> console.log(changes.filter(m=>~['bin','255','utf8','base64','object'].indexOf(m.attributeName)) )
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// )
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// .observe( this, { attributes: true } )
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this.shadowRoot.append(
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...Data.observedAttributes
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.map( type=> $`<button ${type}>${type}</button>`
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.on`click`( e=> this.type = e.target.innerText )
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)
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)
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// this.shadowRoot.$`button`.map( button=> button.onclick = e=> this.type = e.target.innerText )
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this.shadowRoot.$`textarea`.on`change`( e=> this._value = CC[this.type+'2buffer'](e.target.value) )
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}
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get type(){ return this.attributes[0].name }
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set type( v ){
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if( this.type == v ) return;
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[...this.attributes].map( o=> o.ownerElement.removeAttributeNode(o) )
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this.setAttribute( v, '' )
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}
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get value(){ return this._value }
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set value( v ){ this._value = v; this.shadowRoot.$`textarea`.value = CC['buffer2'+this.type](v) }
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attributeChangedCallback(name, oldValue, newValue)
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{
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if( this.shadowRoot.$`textarea`.value )
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this.shadowRoot.$`textarea`.value = CC['buffer2'+this.type]( this._value )
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}
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}
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;[ Toast, Data ]
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.map( klass=> customElements.define(klass.is, klass) )
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// document.body.addEventListener('Error', e=> pulse('red') && (notify(e.error.message).style.color = 'red') )
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$`body`.on`Error`( e=>
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pulse('red') && notify(
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`<b>${e.error.code||''} ${e.error.name}</b>: ${e.error.message}`
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, 'error')
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)
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