Method parse

www/js/_hyperscript.js:4550–4565

(parser)

      this.args = { lhs, rhs };
    }
    static parse(parser) {
      var expr = parser.parseElement("collectionExpression");
      var mathOp, initialMathOp = null;
      mathOp = parser.matchAnyOpToken("+", "-", "*", "/") || parser.matchToken("mod");
      while (mathOp) {
        initialMathOp = initialMathOp || mathOp;
        var operator = mathOp.value;
        if (initialMathOp.value !== operator) {
          parser.raiseError("You must parenthesize math operations with different operators");
        }
        var rhs = parser.parseElement("collectionExpression");
        expr = new _MathOperator(expr, operator, rhs);
        mathOp = parser.matchAnyOpToken("+", "-", "*", "/") || parser.matchToken("mod");
      }
      return expr;
    }
    resolve(context, { lhs: lhsVal, rhs: rhsVal }) {
      if (this.operator === "+") {
        if (Array.isArray(lhsVal)) return lhsVal.concat(rhsVal);