Function makeSymbol

static/katex/katex.mjs:5286–5321

(value, fontName, mode, options, classes)

const makeSymbol = function makeSymbol(value, fontName, mode, options, classes) {
  const lookup = lookupSymbol(value, fontName, mode);
  const metrics = lookup.metrics;
  value = lookup.value;
  let symbolNode;

  if (metrics) {
    let italic = metrics.italic;

    if (mode === "text" || options && options.font === "mathit") {
      italic = 0;
    }

    symbolNode = new SymbolNode(value, metrics.height, metrics.depth, italic, metrics.skew, metrics.width, classes);
  } else {
    // TODO(emily): Figure out a good way to only print this in development
    typeof console !== "undefined" && console.warn("No character metrics for '" + value + "' in style '" + fontName + "'");
    symbolNode = new SymbolNode(value, 0, 0, 0, 0, 0, classes);
  }

  if (options) {
    symbolNode.maxFontSize = options.sizeMultiplier;

    if (options.style.isTight()) {
      symbolNode.classes.push("mtight");
    }

    const color = options.getColor();

    if (color) {
      symbolNode.style.color = color;
    }
  }

  return symbolNode;
};
/**
 * Makes a symbol in Main-Regular or AMS-Regular.
 * Used for rel, bin, open, close, inner, and punct.