noBitwiseOperators

JavaScript (and super languages)

摘要

¥Summary

规则生效日期：v2.0.0

¥Rule available since: v2.0.0
诊断类别：lint/suspicious/noBitwiseOperators

¥Diagnostic Category: lint/suspicious/noBitwiseOperators
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.
来源：

¥Sources:
- 与 no-bitwise 相同
  
  ¥Same as no-bitwise

如何配置

¥How to configure

1
{
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  "linter": {
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    "rules": {
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      "suspicious": {
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        "noBitwiseOperators": "error"
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      }
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    }
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  }
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}

描述

¥Description

禁止使用位运算符。

¥Disallow bitwise operators.

JavaScript 中很少使用位运算符，& 或 | 通常只是 && 或 || 的拼写错误，这会导致意外行为。

¥The use of bitwise operators in JavaScript is very rare and often & or | is simply a mistyped && or ||, which will lead to unexpected behavior.

示例

¥Examples

无效

¥Invalid

1
let x = y | z;

code-block.js:1:9 lint/suspicious/noBitwiseOperators ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Unexpected use of ’|‘.
  
  > 1 │ let x = y | z;
      │         ^^^^^
    2 │ 
  
  ℹ Did you mean || instead? If you want to use the bitwise operator, consider suppressing this diagnostic.

1
x |= y;

code-block.js:1:1 lint/suspicious/noBitwiseOperators ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Unexpected use of ’|=‘.
  
  > 1 │ x |= y;
      │ ^^^^^^
    2 │ 
  
  ℹ Bitwise operators are prohibited because their use can be confusing or unintended. If you did want to use the bitwise operator, consider suppressing this diagnostic.

有效

¥Valid

1
let x = y || z;

1
let x = y && z;

选项

¥Options

该规则提供了如下所述的选项。

¥The rule provides the options described below.

allow

允许使用位运算符列表作为异常。

¥Allows a list of bitwise operators to be used as exceptions.

1
{
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  "linter": {
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    "rules": {
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      "suspicious": {
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        "noBitwiseOperators": {
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          "options": {
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            "allow": [
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              "&",
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              "|",
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              "^",
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              "~",
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              "<<",
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              ">>",
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              ">>>"
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            ]
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          }
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        }
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      }
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    }
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  }
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}

noBitwiseOperators

摘要

如何配置

描述

示例

无效

有效

选项

allow

相关链接