HTML Rules

Below the list of rules supported by Biome, divided by group. Here’s a legend of the emojis:

• The icon indicates that the rule is part of the recommended rules.
• The icon indicates that the rule provides a code action (fix) that is safe to apply.
• The icon indicates that the rule provides a code action (fix) that is unsafe to apply.
• The icon indicates that the rule has been implemented and scheduled for the next release.

a11y

Rule name	Description	Properties
noHeaderScope	The scope prop should be used only on <th> elements.

nursery

Rule name	Description	Properties
noSyncScripts	Prevent the usage of synchronous scripts.
noVueVIfWithVFor	Disallow using v-if and v-for directives on the same element.
useVueHyphenatedAttributes	Enforce hyphenated (kebab-case) attribute names in Vue templates.
useVueValidVBind	Forbids v-bind directives with missing arguments or invalid modifiers.
useVueValidVElse	Enforce valid usage of v-else.
useVueValidVElseIf	Enforce valid v-else-if directives.
useVueValidVHtml	Enforce valid v-html directives.
useVueValidVIf	Enforces valid v-if usage for Vue templates.
useVueValidVOn	Enforce valid v-on directives with proper arguments, modifiers, and handlers.

Recommended rules

• noHeaderScope (Severity: error)

Missing a rule? Help us by contributing to the analyzer or create a rule suggestion here.