vue/max-attributes-per-line

enforce the maximum number of attributes per line

• ⚙️ This rule is included in all of "plugin:vue/strongly-recommended", *.configs["flat/strongly-recommended"], "plugin:vue/vue2-strongly-recommended", *.configs["flat/vue2-strongly-recommended"], "plugin:vue/recommended", *.configs["flat/recommended"], "plugin:vue/vue2-recommended" and *.configs["flat/vue2-recommended"].
• 🔧 The --fix option on the command line can automatically fix some of the problems reported by this rule.

Limits the maximum number of attributes/properties per line to improve readability.

📖 Rule Details

This rule aims to enforce a number of attributes per line in templates. It checks all the elements in a template and verifies that the number of attributes per line does not exceed the defined maximum. An attribute is considered to be in a new line when there is a line break between two attributes.

There is a configurable number of attributes that are acceptable in one-line case (default 1), as well as how many attributes are acceptable per line in multi-line case (default 1).

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🔧 Options

{
  "vue/max-attributes-per-line": ["error", {
    "singleline": {
      "max": 1
    },      
    "multiline": {
      "max": 1
    }
  }]
}

• singleline.max (number) ... The number of maximum attributes per line when the opening tag is in a single line. Default is 1. This can be { singleline: 1 } instead of { singleline: { max: 1 }}.
• multiline.max (number) ... The max number of attributes per line when the opening tag is in multiple lines. Default is 1. This can be { multiline: 1 } instead of { multiline: { max: 1 }}.

"singleline": 3

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"multiline": 2

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👫 Related Rules

• vue/first-attribute-linebreak

📚 Further Reading

• Style guide - Multi attribute elements

🚀 Version

This rule was introduced in eslint-plugin-vue v3.12.0

🔍 Implementation

• Rule source
• Test source