swOperation/node_modules/svg-path-parser/index.js

// v1.0 exported just the parser function. To maintain backwards compatibility,
// we export additional named features as properties of that function.
var parserFunction = require('./parser.js').parse;
parserFunction.parseSVG = parserFunction;
parserFunction.makeAbsolute = makeSVGPathCommandsAbsolute;
module.exports = parserFunction;

function makeSVGPathCommandsAbsolute(commands) {
	var subpathStart, prevCmd={x:0,y:0};
	var attr = {x:'x0',y:'y0',x1:'x0',y1:'y0',x2:'x0',y2:'y0'};
	commands.forEach(function(cmd) {
		if (cmd.command==='moveto') subpathStart=cmd;
		cmd.x0=prevCmd.x; cmd.y0=prevCmd.y;
		for (var a in attr) if (a in cmd) cmd[a] += cmd.relative ? cmd[attr[a]] : 0;
		if (!('x' in cmd)) cmd.x = prevCmd.x; // V
		if (!('y' in cmd)) cmd.y = prevCmd.y; // X
		cmd.relative = false;
		cmd.code = cmd.code.toUpperCase();
		if (cmd.command=='closepath') {
			cmd.x = subpathStart.x;
			cmd.y = subpathStart.y;
		}
		prevCmd = cmd;
	});
	return commands;
}