在Vue 3中遇到“isFunction is not a function”的错误,通常意味着在你的代码中错误地调用了isFunction函数,而这个函数并不存在于Vue 3的API中。以下是一些解决步骤和建议: 理解错误信息: 错误信息“isFunction is not a function”表明在代码中尝试调用了一个不存在的函数。 检查isFunction的使用方式: 查看你...
After this import (even without using it afterwards) I get the following error: I looked into the module export of vuedraggable and it seems that there is no real esm export. Instead it uses the umd export. Maybe this is the reasoon why this error occurs. ...
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// This entry is the "full-build" that includes both the runtime// and the compiler, and supports on-the-fly compilation of the template option.import{initDev}from'./dev'import{compile,CompilerOptions,CompilerError}from'@vue/compiler-dom'import{registerRuntimeCompiler,RenderFunction,warn}from'...
isKeyNotMatch("Enter","Enter") 匹配成功,返回 false,也就是 checkKeyCode(_k) 返回false,回调执行过滤条件为假,不会 return null,这样才会执行下面 配置数组的话也是同理 3 出现的函数 hyphenate varhyphenate=function(str){returnstr.replace(/\B([A-Z])/g,'-$1').toLowerCase()} ...
export function registerRef (vnode: VNodeWithData, isRemoval: ?boolean) { const key = vnode.data.ref // 获取ref if (!isDef(key)) return const vm = vnode.context const ref = vnode.componentInstance || vnode.elm // 当前组件的实例 或者 组件的真实节点 const refs = vm.$refs if (is...
Vine component function (We'll call it **"VCF"** in the rest of our documentation) is a function that returns a template string tagged by `vine`, which declares the component's template. 50 changes: 0 additions & 50 deletions 50 packages/docs/src/zh/specification/caveats.md Load diff...
上面代码几个关键词:unknow、is、typeof unknow是TypeScript十三中基础数据类型之一,这个再下文单独说。 先看is和typeof,他们即做到了类型保护。 那什么是类型保护,为什么会出现类型保护呢? 先看下面的例子 interface Bird {fly: Function; layEggs: Function; }interface Fish {swim: Function; layEggs: Function...
&& // not a component !isDirectChildOfTemplateFor(node) && Object.keys(node).every(isStaticKey) )) } // 是否是v-for,模板是template标签 function isDirectChildOfTemplateFor (node) { while (node.parent) { node = node.parent; if (node...
: isFunctionExpression ? ("return (" + (handler.value) + ")($event)") ? ("return (" + (handler.value) + ").apply(null, arguments)") : isFunctionInvocation ? ("return " + (handler.value)) : handler.value; Expand Down Expand Up @@ -5244,7 +5261,8 @@ options ) { var sta...