noYodaExpression

JavaScript (and super languages)

摘要

¥Summary

规则生效日期：v1.8.0

¥Rule available since: v1.8.0
诊断类别：lint/style/noYodaExpression

¥Diagnostic Category: lint/style/noYodaExpression
此规则包含 safe 修复程序。

¥This rule has a safe 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 yoda 相同
  
  ¥Same as yoda

如何配置

¥How to configure

1
{
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  "linter": {
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    "rules": {
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      "style": {
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        "noYodaExpression": "error"
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      }
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    }
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  }
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}

描述

¥Description

禁止使用 yoda 表达式。

¥Disallow the use of yoda expressions.

Yoda 表达式是一种编程风格，其中给定一个二进制运算，二进制运算的 “static” 部分放在左侧。此规则禁止使用 Yoda 表达式，并强制将二元运算的 “static” 部分放在右侧。

¥A Yoda expression is a programming style where, given a binary operation, the “static” part of the binary operation is placed on the left-hand side. This rule forbids the use of Yoda expressions and enforces the placing of the “static” part of the binary operations on the right-hand side.

异常

¥Exceptions

允许使用像 0 < value && value < 1 或 value <= 0 || 1 < value 这样的范围表达式。

¥Range expressions like 0 < value && value < 1 or value <= 0 || 1 < value are allowed.

示例

¥Examples

无效

¥Invalid

1
if ("red" == value) {}

code-block.js:1:5 lint/style/noYodaExpression  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Avoid the use of yoda expressions.
  
  > 1 │ if (“red” == value) {}
      │     ^^^^^^^^^^^^^^
    2 │ 
  
  ℹ Yoda expressions can be confusing to some people, invert the expression operands for better readability.
  
  ℹ Safe fix: Flip the operators of the expression.
  
    1   │ - if·(“red”·==·value)·{}
      1 │ + if·(value·==·“red”)·{}
    2 2 │

1
if (true === value) {}

code-block.js:1:5 lint/style/noYodaExpression  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Avoid the use of yoda expressions.
  
  > 1 │ if (true === value) {}
      │     ^^^^^^^^^^^^^^
    2 │ 
  
  ℹ Yoda expressions can be confusing to some people, invert the expression operands for better readability.
  
  ℹ Safe fix: Flip the operators of the expression.
  
    1   │ - if·(true·===·value)·{}
      1 │ + if·(value·===·true)·{}
    2 2 │

1
if (5 != value) {}

code-block.js:1:5 lint/style/noYodaExpression  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ℹ Avoid the use of yoda expressions.
  
  > 1 │ if (5 != value) {}
      │     ^^^^^^^^^^
    2 │ 
  
  ℹ Yoda expressions can be confusing to some people, invert the expression operands for better readability.
  
  ℹ Safe fix: Flip the operators of the expression.
  
    1   │ - if·(5·!=·value)·{}
      1 │ + if·(value·!=·5)·{}
    2 2 │

有效

¥Valid

1
if (value === "red") {}

1
if (value === value) {}

1
if (value != 5) {}

1
if (0 < value && value < 1) {}

资源

¥Resources

维基百科定义

¥Wikipedia definition

noYodaExpression

摘要

如何配置

描述

异常

示例

无效

有效

资源

相关链接