Function measureText

src/traces/indicator/plot.js:854–865

(txt, font, textAnchor, gd)

}

function measureText(txt, font, textAnchor, gd) {
    var element = document.createElementNS('http://www.w3.org/2000/svg', 'text');
    var sel = d3.select(element);
    sel.text(txt)
      .attr('x', 0)
      .attr('y', 0)
      .attr('text-anchor', textAnchor)
      .attr('data-unformatted', txt)
      .call(svgTextUtils.convertToTspans, gd)
      .call(Drawing.font, font);
    return Drawing.bBox(sel.node());
}

function cache(trace, name, initialValue, value, key, fn) {
    var objName = '_cache' + name;