18 lines
350 B

<div>{{foo.x}}</div>
<script>
export default {
onrender () {
this.observe( 'foo', foo => {
const bar = this.get( 'bar' );
if ( foo.x !== bar.x ) throw new Error( 'mismatch' );
});
this.observe( 'bar', bar => {
const foo = this.get( 'foo' );
if ( foo.x !== bar.x ) throw new Error( 'mismatch' );
});
}
};
</script>