Method callFunction

static/katex/katex.mjs:15288–15302

* Call a function handler with a suitable context and arguments.

(name, args, optArgs, token, breakOnTokenText)

  callFunction(name, args, optArgs, token, breakOnTokenText) {
    const context = {
      funcName: name,
      parser: this,
      token,
      breakOnTokenText
    };
    const func = functions[name];

    if (func && func.handler) {
      return func.handler(context, args, optArgs);
    } else {
      throw new ParseError(`No function handler for ${name}`);
    }
  }
  /**
   * Parses the arguments of a function or environment
   */