Script to remove markup for hidden elements from SVG files, for use with ai2html

clean-ai2html-svg-artboard.js

var fs = require('fs'),
    cheerio = require('cheerio'),
    fn = process.argv[2];

cleanSVGArtboard(fn);

function cleanSVGArtboard(svgFileName, svg_embed_images) {
    if (!fs.existsSync(svgFileName)) return;
    var svgText = fs.readFileSync(svgFileName, 'utf-8');

    if (svgText.indexOf('non-scaling-stroke') > -1) {
        // already cleaned
        return;
    }

    svgText = svgText.replace('xml:space="preserve">',
        'xml:space="preserve">\n\t<style>\n\t\tpath,line,circle,rect,polygon { vector-effect: non-scaling-stroke }\n\t</style>\n');

    svgText = svgText.replace(/style="display:none/g, 'data-hide="1" style="display:none');
    
    var $ = cheerio.load(svgText, {normalizeWhitespace: true, xmlMode: true});

    $('*[data-hide=1]').remove();
    $('text').remove();
    if (!svg_embed_images) $('image').remove();

    // remove three levels of empty divs
    $('g:empty').remove();
    $('g:empty').remove();
    $('g:empty').remove();

    fs.writeFileSync(svgFileName, $.xml(), 'utf8');
    console.log('cleaned '+fn);
    return;

}