function createGetter(isReadonly = false, shallow = false) { return function get(target, key, receiver) { if (key === "__v_isReactive" /* IS_REACTIVE */) { return !isReadonly; } else if (key === "__v_isReadonly" /* IS_READONLY */) { return isReadonly; } else if (ke...
0,Gn=0;var Qn=[];function Jn(){Qn.push(Yn),Yn=!1;}function Kn(){var e=Qn.pop();Yn=void 0===e||e;}function Xn(){Gn++;}function qn(){for(Gn--;!Gn&&ti.length;){ti.shift()();}}function ei(e,t,o){var n;if(t.get(e)!==e._trackId){t.set(e,e._tra...
// 创建一个普通的对象作为目标对象 let target = { name: 'Alice', age: 30 }; // 创建一个 Proxy 对象,用来代理目标对象 let proxy = new Proxy(target, { // 拦截属性读取的操作 get: function(target, property) { console.log(`Reading ${property} property`); return target[property]; // ...
(node:40312)UnhandledPromiseRejectionWarning:Unhandledpromise rejection.Thiserror originated either by throwing insideofanasyncfunctionwithout acatchblock, or by rejecting a promise which was not handledwith.catch().Toterminate the node process on unhandled promise rejection, use theCLIflag`--unhandled-re...
若版本在v8.0.0以上，跳转到Step2，否则直接到Step3的内容。打开.eslintrc.js文件并修改如下：打开.eslintrc.js文件并修改如下：vue3defineEmits：emitisnotafunction前端时间在尝试使用vue3开发新的一套组件，并且使用script-setup这个实验特性 虽然vue3+script-setup使用起来很爽，但是在用到defineEmits...
{ updated } = options function registerLifecycleHook( register: Function, hook?: Function | Function[] ) { if (isArray(hook)) { hook.forEach(_hook => register(_hook.bind(publicThis))) } else if (hook) { register((hook as Function).bind(publicThis)) } } // 通过调用 onUpdated ...
异步加载模板,如:《vue2升级vue3:this.$createElement is not a function—动态组件升级》 开源案例: https://github.com/Tencent/tdesign-vue-next/blob/7c567973925fe970a04fa6fa16d073921f1f3850/src/dialog/plugin.tsx https://github.com/zhoulujun/bkui-vue3/blob/5a70171bbd652198b8f41187f8969c4cdf947...
interface Data { [key: string]: unknown } interface SetupContext { attrs: Data slots: Slots emit: (event: string, ...args: unknown[]) => void } function setup(props: Data, context: SetupContext): Data 从上面ts定义的两个接口可以看出,setup函数的第二个参数context对象,有三个属性,分别是:...
exportfunctiondefineAsyncComponent<TextendsComponent={new():ComponentPublicInstance}>(source:AsyncComponentLoader<T>|AsyncComponentOptions<T>):T{if(isFunction(source)){source={loader:source}}const{loader,loadingComponent,errorComponent,delay=200,timeout,// undefined = never times outsuspensible=true...
类型:Record<string, string> | Array<{ find: string | RegExp, replacement: string, customResolver?: ResolverFunction | ResolverObject }> 将会被传递到 @rollup/plugin-alias 作为 entries 的选项。也可以是一个对象,或一个 { find, replace...