@acot/acot-preset-wcag

A WCAG-based rule set for acot.

Usage no npm install needed!

<script type="module">
  import acotAcotPresetWcag from 'https://cdn.skypack.dev/@acot/acot-preset-wcag';
</script>

README

@acot/acot-preset-wcag

A WCAG-based rule set for acot.

Install

Install via npm:

$ npm install --save-dev @acot/acot-preset-wcag

Usage

Add @acot/wcag to the presets field of the acot config file. then configure the rules you want to use under the rules section.

{
  "presets": ["@acot/wcag"],
  "rules": {
    "@acot/wcag/button-has-name": "error"
  }
}

You can also enable all the recommended rules for our preset. Add preset:@acot/wcag/recommended in extends:

{
  "extends": ["preset:@acot/wcag/recommended"]
}

Supported Rules

Name Summary :heavy_check_mark:
@acot/wcag/dialog-focus Move focus to inside dialog or set dialog after trigger. :heavy_check_mark:
@acot/wcag/focusable-has-indicator Focusable element has a focus indicator. :heavy_check_mark:
@acot/wcag/img-has-name The img element or img role MUST has name. :heavy_check_mark:
@acot/wcag/interactive-has-enough-size The size of the target for pointer inputs is at least 44 by 44 CSS pixels. :heavy_check_mark:
@acot/wcag/interactive-has-name Interactive elements MUST has name. :heavy_check_mark:
@acot/wcag/interactive-supports-focus T.B.A :heavy_check_mark:
@acot/wcag/link-has-name Link MUST has name. :heavy_check_mark:
@acot/wcag/page-has-title Web pages have titles that describe topic or purpose. WCAG 2.1 - 2.4.2. :heavy_check_mark:
@acot/wcag/page-has-valid-lang The html element MUST has a valid lang attribute. :heavy_check_mark:

Coverage WCAG 2.1 by @acot/acot-preset-wcag

Perceivable

1.1 Text Alternatives

Success criteria acot rules
1.1.1 Non-text Content @acot/wcag/img-has-name

1.2 Time-based Media

Success criteria acot rules
1.2.1 Audio-only and Video-only (Prerecorded) -
1.2.2 Captions (Prerecorded) -
1.2.3 Audio Description or Media Alternative (Prerecorded) -
1.2.4 Captions (Live) -
1.2.5 Audio Description (Prerecorded) -
1.2.6 Sign Language (Prerecorded) -
1.2.7 Extended Audio Description (Prerecorded) -
1.2.8 Media Alternative (Prerecorded) -
1.2.9 Audio-only (Live) -

1.3 Adaptable

Success criteria acot rules
1.3.1 Info and Relationships -
1.3.2 Meaningful Sequence -
1.3.3 Sensory Characteristics -
1.3.4 Orientation -
1.3.5 Identify Input Purpose -
1.3.6 Identify Purpose -

1.4 Distinguishable

Success criteria acot rules
1.4.1 Use of Color -
1.4.2 Audio Control -
1.4.3 Contrast (Minimum) -
1.4.4 Resize text -
1.4.5 Images of Text -
1.4.6 Contrast (Enhanced) -
1.4.7 Low or No Background Audio -
1.4.8 Visual Presentation -
1.4.9 Images of Text (No Exception) -
1.4.10 Reflow -
1.4.11 Non-text Contrast -
1.4.12 Text Spacing -
1.4.13 Content on Hover or Focus -

2. Operable

2.1 Keyboard Accessible

Success criteria acot rules
2.1.1 Keyboard @acot/wcag/interactive-supports-focus
2.1.2 No Keyboard Trap -
2.1.3 Keyboard (No Exception) -
2.1.4 Character Key Shortcuts -

2.2 Enough Time

Success criteria acot rules
2.2.1 Timing Adjustable -
2.2.2 Pause, Stop, Hide -
2.2.3 No Timing -
2.2.4 Interruptions -
2.2.5 Re-authenticating -
2.2.6 Timeouts -

2.3 Seizures and Physical Reactions

Success criteria acot rules
2.3.1 Three Flashes or Below Threshold -
2.3.2 Three Flashes -
2.3.3 Animation from Interactions -

2.4 Navigable

Success criteria acot rules
2.4.1 Bypass Blocks -
2.4.2 Page Titled @acot/wcag/page-has-title
2.4.3 Focus Order @acot/wcag/dialog-focus
2.4.4 Link Purpose (In Context) @acot/wcag/link-has-name-
2.4.5 Multiple Ways -
2.4.6 Headings and Labels -
2.4.7 Focus Visible @acot/wcag/focusable-has-indicator
2.4.8 Location -
2.4.9 Link Purpose (Link Only) -
2.4.10 Section Headings -

2.5 Input Modalities

Success criteria acot rules
2.5.1 Pointer Gestures -
2.5.2 Pointer Cancellation -
2.5.3 Label in Name -
2.5.4 Motion Actuation -
2.5.5 Target Size @acot/wcag/interactive-has-enough-size
2.5.6 Concurrent Input Mechanisms -

3. Understandable

3.1 Readable

Success criteria acot rules
3.1.1 Language of Page @acot/wcag/page-has-valid-lang
3.1.2 Language of Parts -
3.1.3 Unusual Words -
3.1.4 Abbreviations -
3.1.5 Reading Level -
3.1.6 Pronunciation -

3.2 Predictable

Success criteria acot rules
3.2.1 On Focus -
3.2.2 On Input -
3.2.3 Consistent Navigation -
3.2.4 Consistent Identification -
3.2.5 Change on Request -

3.3 Input Assistance

Success criteria acot rules
3.3.1 Error Identification -
3.3.2 Labels or Instructions -
3.3.3 Error Suggestion -
3.3.4 Error Prevention (Legal, Financial, Data) -
3.3.5 Help -
3.3.6 Error Prevention (All) -

4. Robust

4.1 Compatible

Success criteria acot rules
4.1.1 Parsing -
4.1.2 Name, Role, Value @acot/wcag/link-has-name
4.1.3 Status Messages -

Concept

Interactive content

Some rules deal with interactive content. The definition of interactive content to be audited is as follows:

  1. 3.2.5.2.7 Interactive content compliant elements.
  2. Elements with a role attribute that conforms to the above.
  3. Focusable elements.

T.B.A