import { NodeBase, SCALAR } from './Node.mjs';
import { toJS } from './toJS.mjs';

const isScalarValue = value => !value || typeof value !== 'function' && typeof value !== 'object';
class Scalar extends NodeBase {
  constructor(value) {
    super(SCALAR);
    this.value = value;
  }
  toJSON(arg, ctx) {
    return ctx?.keep ? this.value : toJS(this.value, arg, ctx);
  }
  toString() {
    return String(this.value);
  }
}
Scalar.BLOCK_FOLDED = 'BLOCK_FOLDED';
Scalar.BLOCK_LITERAL = 'BLOCK_LITERAL';
Scalar.PLAIN = 'PLAIN';
Scalar.QUOTE_DOUBLE = 'QUOTE_DOUBLE';
Scalar.QUOTE_SINGLE = 'QUOTE_SINGLE';

export { Scalar, isScalarValue };
