Function canCombine

static/katex/katex.mjs:5503–5521

(prev, next)

const canCombine = (prev, next) => {
  if (createClass(prev.classes) !== createClass(next.classes) || prev.skew !== next.skew || prev.maxFontSize !== next.maxFontSize) {
    return false;
  }

  for (const style in prev.style) {
    if (prev.style.hasOwnProperty(style) && prev.style[style] !== next.style[style]) {
      return false;
    }
  }

  for (const style in next.style) {
    if (next.style.hasOwnProperty(style) && prev.style[style] !== next.style[style]) {
      return false;
    }
  }

  return true;
};
/**
 * Combine consequetive domTree.symbolNodes into a single symbolNode.
 * Note: this function mutates the argument.