svgop-pkg.js

#!/usr/bin/env node
// This version is for running on node and compiling via pkg

'use strict';
const util = require('util');
console.log = function() {
  this._stderr.write('');
};
console.error = function() {
  this._stdout.write(util.format.apply(null, arguments));
};


const getStdin = require('get-stdin');
var SVGO = require('../lib/svgo');
require('./domstubs.js').setStubs(global);
// var pdfjsLib = require('pdfjs-dist'); //require('../lib/pdf.combined.js');
// pdfjsLib.PDFJS.disableWorker = true;
// pdfjsLib.PDFJS.disableFontFace = true;
// pdfjsLib.PDFJS.disableStream = true;
// pdfjsLib.PDFJS.disableWebGL = true;
// pdfjsLib.PDFJS.verbosity = pdfjsLib.PDFJS.VERBOSITY_LEVELS.errors; 
// pdfjsLib.verbosity = pdfjsLib.PDFJS.VERBOSITY_LEVELS.errors; 
//console.log(pdfjsLib.PDFJS);

var svgo = new SVGO({
            floatPrecision: 8, 
            plugins: [
                    'addAttributesToSVGElement',
                    'addClassesToSVGElement',
                    'cleanupAttrs',
                    'cleanupEnableBackground',
                    'cleanupIDs',
                    'cleanupListOfValues',
                    'cleanupNumericValues',
                    'collapseGroups',
                    'convertColors',
                    'convertPathData',
                    'convertShapeToPath',
                    'convertStyleToAttrs',
                    'convertTransform',
                    'inlineStyles',
                    'mergePaths',
                    'minifyStyles',
                    'moveElemsAttrsToGroup',
                    'moveGroupAttrsToElems',
                    'prefixIds',
                    'removeAttrs',
                    'removeComments',
                    'removeDesc',
                    'removeDimensions',
                    'removeDoctype',
                    'removeEditorsNSData',
                    'removeElementsByAttr',
                    'removeEmptyAttrs',
                    'removeEmptyContainers',
                    'removeEmptyText',
                    'removeHiddenElems',
                    'removeMetadata',
                    'removeNonInheritableGroupAttrs',
                    'removeRasterImages',
                    'removeScriptElement',
                    'removeStyleElement',
                    'removeTitle',
                    'removeUnknownsAndDefaults',
                    'removeUnusedNS',
                    'removeUselessDefs',
                    'removeUselessStrokeAndFill',
                    'removeViewBox',
                    'removeXMLNS',
                    'removeXMLProcInst',
                    'sortAttrs'
                ]
        }
    );

getStdin.buffer().then(data => {
//    var doctype = data.toString('utf8').substring(0,5); 
//    if (doctype == "%PDF-") { 
//        pdfjsLib.getDocument({
//                data: data.buffer,
//                nativeImageDecoderSupport: pdfjsLib.NativeImageDecoding.DISPLAY
//            }).then(function (pdfDoc) {
//                var lastPromise = Promise.resolve();
//                var loadPage = function (pageNum) {
//                    return pdfDoc.getPage(pageNum).then(function (page) {
//                        var viewport = page.getViewport(1.0);
//                        var svgGfx = new PDFJS.SVGGraphics(page.commonObjs, page.objs);
//                        svgGfx.embedFonts = true;
//                        return page.getOperatorList().then(function (opList) {
//                            return svgGfx.getSVG(opList, viewport).then(function (svg) {
//                                var svgstr = svg.toString().replace(/svg:/g, '');
//                                svgo.optimize(svgstr).then(function(result) {
//                                    console.error(result.data.replace('<svg width','<svg xmlns="http://www.w3.org/2000/svg" width'));
//                                });
//                            }); 
//                        }); 
//                    });
//                }; 
//            lastPromise = lastPromise.then(loadPage.bind(null, 1));
//        });
//    } else {
        svgo.optimize(data).then(function(result) {
            console.error(result.data);
        });
//    };
});

/**
var stdin = process.openStdin();
var data = "";

stdin.on('data', function(chunk) {
  data += chunk;
});

stdin.on('end', function() {
    if (data.substring(0,4) == "%PDF") { 
        PDFJS.getDocument({
            data: data,
            nativeImageDecoderSupport: PDFJS.NativeImageDecoding.DISPLAY
            }).then(function (pdfDocument) {
                pdfDocument.getPage(1).then(function (page) {
                    var viewport = page.getViewport(1.0);
                    console.log('Size: ' + viewport.width + 'x' + viewport.height);
                    console.log();
                    page.getOperatorList().then(function (opList) {
                        var svgGfx = new PDFJS.SVGGraphics(page.commonObjs, page.objs);
                        svgGfx.embedFonts = true;
                        svgGfx.getSVG(opList, viewport).then(function (svg) {
                            console.log(svg);
                        }); 
                    }); 
                }); 
            }); 
        console.log(data.substring(0,4));
    } else { 
        svgo.optimize(data).then(function(result) {
            console.log(result.data);
            //console.log(JSON.stringify(svgo.config, null, 2));
        });
    }
});

**/