Method exportToArrayOrSlice

array.go:522–550

(dst reflect.Value, typ reflect.Type, ctx *objectExportCtx)

}

func (a *arrayObject) exportToArrayOrSlice(dst reflect.Value, typ reflect.Type, ctx *objectExportCtx) error {
	r := a.val.runtime
	if iter := a.getSym(SymIterator, nil); iter == r.getArrayValues() || iter == nil {
		l := toIntStrict(int64(a.length))
		if typ.Kind() == reflect.Array {
			if dst.Len() != l {
				return fmt.Errorf("cannot convert an Array into an array, lengths mismatch (have %d, need %d)", l, dst.Len())
			}
		} else {
			dst.Set(reflect.MakeSlice(typ, l, l))
		}
		ctx.putTyped(a.val, typ, dst.Interface())
		for i := 0; i < l; i++ {
			if i >= len(a.values) {
				break
			}
			val := a.values[i]
			if p, ok := val.(*valueProperty); ok {
				val = p.get(a.val)
			}
			err := r.toReflectValue(val, dst.Index(i), ctx)
			if err != nil {
				return fmt.Errorf("could not convert array element %v to %v at %d: %w", val, typ, i, err)
			}
		}
		return nil
	}
	return a.baseObject.exportToArrayOrSlice(dst, typ, ctx)
}

func (a *arrayObject) setValuesFromSparse(items []sparseArrayItem, newMaxIdx int) {
	a.values = make([]Value, newMaxIdx+1)