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script.js
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script.js
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#! /usr/bin/env node
var fs = require("fs");
var svg = process.argv[2];
var symbols = /[\r\n"%#()<>?\[\\\]^`{|}]/g;
function addNameSpace( data ) {
if ( data.indexOf( "http://www.w3.org/2000/svg" ) < 0 ) {
data = data.replace( /<svg/g, "<svg xmlns='http://www.w3.org/2000/svg'" );
}
return data;
}
function encodeSVG( data ) {
// Use single quotes instead of double to avoid encoding.
if ( data.indexOf( '"' ) >= 0 ) {
data = data.replace( /"/g, "'" );
}
data = data.replace( />\s{1,}</g, "><" );
data = data.replace( /\s{2,}/g, " " );
return data.replace( symbols, escape );
}
var svgFile = fs.readFileSync(svg, "utf8");
var namespaced = addNameSpace(svgFile);
var escaped = encodeSVG( namespaced );
var resultCss = 'background-image: url("data:image/svg+xml,' + escaped + '");';
console.log(resultCss);