Measure text in SVG

measureSvgText.js

function measureSvgText(text, className) {
        if (!text || text.length === 0) {
            return { width: 0, height: 0 };
        }

        var svg = d3.select('body').append('svg');

        if (className) {
            svg.attr('class', className);
        }

        svg.append('text').attr({ x: -1000, y: -1000 }).text(text);

        var bounds = svg.node().getBBox();
        svg.remove();

        return { width: bounds.width, height: bounds.height };
    }