All files / src/ast/operator op-plus.ts

100% Statements 23/23
100% Branches 5/5
100% Functions 2/2
100% Lines 23/23

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32  1x 1x 1x   1x 1x 1357x 1357x 1357x 1357x 1357x 1357x 1357x   1x 1325x 1325x   1325x 1325x     1325x 7x 7x     1318x 1325x 1x  
import type { ExpressionState } from '../../expression-state.js';
import { TypedValue } from '../../typed-value.js';
import { Operator } from '../spel-node.js';
import { NodeType } from '../../language/node-type.js';
 
export class OpPlus extends Operator {
  constructor(
    operatorName: string,
    startPos: number,
    endPos: number,
    ...operands: import('../spel-node.js').SpelNodeImpl[]
  ) {
    super(NodeType.OP_PLUS, operatorName, startPos, endPos, ...operands);
  }
 
  public override getValueInternal(state: ExpressionState): TypedValue {
    const left = this.children[0]!.getValue(state);
    const right = this.children[1]!.getValue(state);
 
    const leftVal = left.getValue();
    const rightVal = right.getValue();
 
    // String concatenation: if either operand is a string, convert both to string
    if (typeof leftVal === 'string' || typeof rightVal === 'string') {
      return new TypedValue(String(leftVal) + String(rightVal));
    }
 
    // Number addition
    return new TypedValue((leftVal as number) + (rightVal as number));
  }
}