toRaw
setup() {
// 返回 reactive 或 readonly 代理的原始对象。这是一个“逃生舱”,可用于临时读取数据而无需承担代理访问/跟踪的开销,也可用于写入数据而避免触发更改。不建议保留对原始对象的持久引用。请谨慎使用。
const foo = {}
const fooReactive = reactive(foo)
console.log(toRaw(fooReactive) === foo)
}
markRaw
setup() {
const foo = markRaw({});
const fooReactive = reactive(foo);
console.log(isReactive(fooReactive));
const bar = reactive({ foo });
console.log(isReactive(bar.foo));
}
setup() {
const foo = markRaw({ baz: {} });
const fooReactive = reactive(foo);
console.log(isReactive(fooReactive), 'isReactive(fooReactive)');
console.log(foo === fooReactive, 'foo === fooReactive');
const bar = reactive({ foo });
console.log(isReactive(bar.foo), 'isReactive(bar.foo)');
const bazReactive = reactive({ baz: foo.baz });
console.log(bazReactive.baz === foo.baz, 'bazReactive.baz === foo.baz');
console.log(bar.foo === foo, 'bar.foo === foo');
}