@angular-eslint/eslint-plugin-template

@angular-eslint/eslint-plugin-template

Please see https://github.com/angular-eslint/angular-eslint for full usage instructions and guidance.

Premade configs

• Premade configs

Rules

Possible problems

Key

• :white_check_mark: = recommended
• :wrench: = fixable
• :bulb: = has suggestions
• :accessibility: = included in accessibility preset

Rule	Description	:white_check_mark:	:wrench:	:bulb:	:accessibility:
no-duplicate-attributes	Ensures that there are no duplicate input properties or output event listeners			:bulb:
no-nested-tags	Denies nesting of and tags.

Suggestions

Key

• :white_check_mark: = recommended
• :wrench: = fixable
• :bulb: = has suggestions
• :accessibility: = included in accessibility preset

Rule	Description	:white_check_mark:	:wrench:	:bulb:	:accessibility:
alt-text	[Accessibility] Enforces alternate text for elements which require the alt, aria-label, aria-labelledby attributes.				:accessibility:
banana-in-box	Ensures that the two-way data binding syntax is correct	:white_check_mark:	:wrench:
button-has-type	Ensures that a button has a valid type specified
click-events-have-key-events	[Accessibility] Ensures that the click event is accompanied with at least one key event keyup, keydown or keypress.				:accessibility:
conditional-complexity	The conditional complexity should not exceed a rational limit
cyclomatic-complexity	Checks cyclomatic complexity against a specified limit. It is a quantitative measure of the number of linearly independent paths through a program's source code
elements-content	[Accessibility] Ensures that the heading, anchor and button elements have content in them				:accessibility:
eqeqeq	Requires === and !== in place of == and !=	:white_check_mark:	:wrench:	:bulb:
i18n	Ensures following best practices for i18n. Checks for missing i18n attributes on elements and attributes containing texts. Can also check for texts without i18n attribute, elements that do not use custom ID (@@) feature and duplicate custom IDs		:wrench:	:bulb:
interactive-supports-focus	[Accessibility] Ensures that elements with interactive handlers like (click) are focusable.				:accessibility:
label-has-associated-control	[Accessibility] Ensures that a label element/component is associated with a form element				:accessibility:
mouse-events-have-key-events	[Accessibility] Ensures that the mouse events mouseout and mouseover are accompanied by focus and blur events respectively. Coding for the keyboard is important for users with physical disabilities who cannot use a mouse, AT compatibility, and screenreader users. See more at https://www.w3.org/WAI/WCAG21/Understanding/keyboard				:accessibility:
no-any	The use of "$any" nullifies the compile-time benefits of Angular's type system			:bulb:
no-autofocus	[Accessibility] Ensures that the autofocus attribute is not used		:wrench:		:accessibility:
no-call-expression	Disallows calling expressions in templates, except for output handlers
no-distracting-elements	[Accessibility] Enforces that no distracting elements are used		:wrench:		:accessibility:
no-empty-control-flow	Ensures that control flow blocks are not empty. Empty control flow blocks usually occur due to refactoring that wasn't completed. They can cause confusion when reading code.
no-inline-styles	Disallows the use of inline styles in HTML templates
no-interpolation-in-attributes	Ensures that property-binding is used instead of interpolation in attributes.		:wrench:
no-negated-async	Ensures that async pipe results, as well as values used with the async pipe, are not negated	:white_check_mark:		:bulb:
no-positive-tabindex	Ensures that the tabindex attribute is not positive			:bulb:
prefer-at-else	Prefer using @else instead of a second @if with the opposite condition to reduce code and make it easier to read.		:wrench:
prefer-at-empty	Prefer using @empty with @for loops instead of a separate @if or @else block to reduce code and make it easier to read.		:wrench:
prefer-built-in-pipes	Encourages the use of Angular built-in pipes (e.g. lowercase, uppercase, titlecase) instead of certain JavaScript methods in Angular templates.
prefer-contextual-for-variables	Ensures that contextual variables are used in @for blocks where possible instead of aliasing them.		:wrench:
prefer-control-flow	Ensures that the built-in control flow is used.
prefer-ngsrc	Ensures ngSrc is used instead of src for img elements
prefer-template-literal	Ensure that template literals are used instead of concatenating strings or expressions.		:wrench:
role-has-required-aria	[Accessibility] Ensures elements with ARIA roles have all required properties for that role.			:bulb:	:accessibility:
table-scope	[Accessibility] Ensures that the scope attribute is only used on the <th> element		:wrench:		:accessibility:
use-track-by-function	Ensures trackBy function is used
valid-aria	[Accessibility] Ensures that correct ARIA attributes and respective values are used			:bulb:	:accessibility:

Layout

Key

• :white_check_mark: = recommended
• :wrench: = fixable
• :bulb: = has suggestions
• :accessibility: = included in accessibility preset

Rule	Description	:white_check_mark:	:wrench:	:bulb:	:accessibility:
attributes-order	Ensures that HTML attributes and Angular bindings are sorted based on an expected order		:wrench:
prefer-self-closing-tags	Ensures that self-closing tags are used for elements with a closing tag but no content.		:wrench:
prefer-static-string-properties	Ensures that static string values use property assignment instead of property binding.		:wrench:

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