Function getTextBox

c3.js:8350–8355

(textElement, id)

      withTransition = getOption(options, 'withTransition', true);
      withTransitionForTransform = getOption(options, 'withTransitionForTransform', true);
      function getTextBox(textElement, id) {
          if (!$$.legendItemTextBox[id]) {
              $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
          }
          return $$.legendItemTextBox[id];
      }
      function updatePositions(textElement, id, index) {
          var reset = index === 0, isLast = index === targetIds.length - 1, box = getTextBox(textElement, id), itemWidth = box.width +
              tileWidth +