noEmptyPattern

JavaScript (and super languages)

摘要

¥Summary

规则生效日期：v1.0.0

¥Rule available since: v1.0.0
诊断类别：lint/correctness/noEmptyPattern

¥Diagnostic Category: lint/correctness/noEmptyPattern
此规则为推荐规则，默认启用。

¥This rule is recommended, which means is enabled by default.
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 error。

¥The default severity of this rule is error.
来源：

¥Sources:
- 与 no-empty-pattern 相同
  
  ¥Same as no-empty-pattern

如何配置

¥How to configure

1
{
2
  "linter": {
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    "rules": {
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      "correctness": {
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        "noEmptyPattern": "error"
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      }
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    }
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  }
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}

描述

¥Description

禁止空的解构模式。

¥Disallows empty destructuring patterns.

示例

¥Examples

无效

¥Invalid

1
var {} = foo;

code-block.js:1:5 lint/correctness/noEmptyPattern ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Unexpected empty object pattern.
  
  > 1 │ var {} = foo;
      │     ^^
    2 │

1
var {a: {}} = foo;

code-block.js:1:9 lint/correctness/noEmptyPattern ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Unexpected empty object pattern.
  
  > 1 │ var {a: {}} = foo;
      │         ^^
    2 │

1
function foo({}) {}

code-block.js:1:14 lint/correctness/noEmptyPattern ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Unexpected empty object pattern.
  
  > 1 │ function foo({}) {}
      │              ^^
    2 │

有效

¥Valid

以下情况有效，因为它们会创建新的绑定。

¥The following cases are valid because they create new bindings.

1
var {a = {}} = foo;
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var {a, b = {}} = foo;
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var {a = []} = foo;
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function foo({a = {}}) {}
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function foo({a = []}) {}
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var [a] = foo;

noEmptyPattern

摘要

如何配置

描述

示例

无效

有效

相关链接