vue/attribute-hyphenation ​

enforce attribute naming style on custom components in template

• ⚙️ This rule is included in all of "plugin:vue/vue3-strongly-recommended", "plugin:vue/strongly-recommended", "plugin:vue/vue3-recommended" and "plugin:vue/recommended".
• 🔧 The --fix option on the command line can automatically fix some of the problems reported by this rule.

📖 Rule Details ​

This rule enforces using hyphenated attribute names on custom components in Vue templates.

🔧 Options ​

{
  "vue/attribute-hyphenation": ["error", "always" | "never", {
    "ignore": []
  }]
}

Default casing is set to always. By default the following attributes are ignored: data-, aria-, slot-scope, and all the SVG attributes with either an upper case letter or an hyphen.

• "always" (default) ... Use hyphenated name.
• "never" ... Don't use hyphenated name except the ones that are ignored.
• "ignore" ... Array of ignored names

"always" ​

It errors on upper case letters.

"never" ​

It errors on hyphens except on the attributes in the ignored attributes list.

"never", { "ignore": ["custom-prop"] } ​

Don't use hyphenated name but allow custom attributes

👫 Related Rules ​

• vue/v-on-event-hyphenation
• vue/prop-name-casing

🚀 Version ​

This rule was introduced in eslint-plugin-vue v3.9.0

🔍 Implementation ​

• Rule source
• Test source