Method proxyHasChecks

proxy.go:449–459

(targetProp Value, target *Object, name fmt.Stringer)

}

func (p *proxyObject) proxyHasChecks(targetProp Value, target *Object, name fmt.Stringer) {
	targetDesc := propToValueProp(targetProp)
	if targetDesc != nil {
		if !targetDesc.configurable {
			panic(p.val.runtime.NewTypeError("'has' on proxy: trap returned falsish for property '%s' which exists in the proxy target as non-configurable", name.String()))
		}
		if !target.self.isExtensible() {
			panic(p.val.runtime.NewTypeError("'has' on proxy: trap returned falsish for property '%s' but the proxy target is not extensible", name.String()))
		}
	}
}

func (p *proxyObject) hasPropertyStr(name unistring.String) bool {
	target := p.target