useVueValidVIf

摘要

¥Summary

规则生效日期：v2.3.6

¥Rule available since: v2.3.6
诊断类别：lint/nursery/useVueValidVIf

¥Diagnostic Category: lint/nursery/useVueValidVIf
此规则没有修复方案。

¥This rule doesn’t have a fix.
此规则的默认严重级别为 information。

¥The default severity of this rule is information.
此规则属于以下域：

¥This rule belongs to the following domains:
- vue
来源：

¥Sources:
- 与 vue/valid-v-if 相同
  
  ¥Same as vue/valid-v-if

¥How to configure

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{
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  "linter": {
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    "rules": {
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      "nursery": {
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        "useVueValidVIf": "error"
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      }
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    }
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  }
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}

¥Description

强制 Vue 模板使用有效的 v-if。

¥Enforces valid v-if usage for Vue templates.

此规则会在以下情况下报告 v-if 指令：

¥This rule reports v-if directives in following cases:

该指令包含一个参数。例如<div v-if:aaa="foo"></div>

¥The directive has an argument. E.g. <div v-if:aaa="foo"></div>
该指令有一个修饰符。例如<div v-if.bbb="foo"></div>

¥The directive has a modifier. E.g. <div v-if.bbb="foo"></div>
该指令没有属性值。例如<div v-if></div>

¥The directive does not have an attribute value. E.g. <div v-if></div>
同一个元素也可能包含 v-else 或 v-else-if。例如<div v-if="foo" v-else></div>

¥The same element also has v-else or v-else-if. E.g. <div v-if="foo" v-else></div>

¥Examples

¥Invalid

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<div v-if:aaa="foo"></div>

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<div v-if.bbb="foo"></div>

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<div v-if></div>

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<div v-if="foo" v-else></div>

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<div v-if="foo" v-else-if="bar"></div>

¥Valid

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<div v-if="ok"></div>

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<div v-if="a < b"></div>

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<div v-if="a"></div>
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<div v-else-if="b"></div>
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<div v-else></div>