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feat: deprecate & disable duplicate-id / duplicate-id-active (#4071)
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* feat: deprecate & disable duplicate-id / duplicate-id-active

* Use wcag2a-obsolete tag
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@WilcoFiers
WilcoFiers committed Jun 29, 2023
1 parent ab4879c commit 733c45e
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35 changes: 18 additions & 17 deletions doc/API.md
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Expand Up @@ -76,23 +76,24 @@ Each rule in axe-core has a number of tags. These provide metadata about the rul

The `experimental`, `ACT`, `TT`, and `section508` tags are only added to some rules. Each rule with a `section508` tag also has a tag to indicate what requirement in old Section 508 the rule is required by. For example `section508.22.a`.

| Tag Name | Accessibility Standard / Purpose |
| ---------------- | ---------------------------------------------------- |
| `wcag2a` | WCAG 2.0 Level A |
| `wcag2aa` | WCAG 2.0 Level AA |
| `wcag2aaa` | WCAG 2.0 Level AAA |
| `wcag21a` | WCAG 2.1 Level A |
| `wcag21aa` | WCAG 2.1 Level AA |
| `wcag22aa` | WCAG 2.2 Level AA |
| `best-practice` | Common accessibility best practices |
| `wcag***` | WCAG success criterion e.g. wcag111 maps to SC 1.1.1 |
| `ACT` | W3C approved Accessibility Conformance Testing rules |
| `section508` | Old Section 508 rules |
| `section508.*.*` | Requirement in old Section 508 |
| `TTv5` | Trusted Tester v5 rules |
| `TT*.*` | Test ID in Trusted Tester |
| `experimental` | Cutting-edge rules, disabled by default |
| `cat.*` | Category mappings used by Deque (see below) |
| Tag Name | Accessibility Standard / Purpose |
| ----------------- | ---------------------------------------------------- |
| `wcag2a` | WCAG 2.0 Level A |
| `wcag2aa` | WCAG 2.0 Level AA |
| `wcag2aaa` | WCAG 2.0 Level AAA |
| `wcag21a` | WCAG 2.1 Level A |
| `wcag21aa` | WCAG 2.1 Level AA |
| `wcag22aa` | WCAG 2.2 Level AA |
| `best-practice` | Common accessibility best practices |
| `wcag2a-obsolete` | WCAG 2.0 Level A, no longer required for conformance |
| `wcag***` | WCAG success criterion e.g. wcag111 maps to SC 1.1.1 |
| `ACT` | W3C approved Accessibility Conformance Testing rules |
| `section508` | Old Section 508 rules |
| `section508.*.*` | Requirement in old Section 508 |
| `TTv5` | Trusted Tester v5 rules |
| `TT*.*` | Test ID in Trusted Tester |
| `experimental` | Cutting-edge rules, disabled by default |
| `cat.*` | Category mappings used by Deque (see below) |

All rules have a `cat.*` tag, which indicates what type of content it is part of. The following `cat.*` tags exist in axe-core:

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4 changes: 2 additions & 2 deletions doc/rule-descriptions.md
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Expand Up @@ -37,9 +37,7 @@
| [definition-list](https://dequeuniversity.com/rules/axe/4.7/definition-list?application=RuleDescription) | Ensures <dl> elements are structured correctly | Serious | cat.structure, wcag2a, wcag131 | failure | |
| [dlitem](https://dequeuniversity.com/rules/axe/4.7/dlitem?application=RuleDescription) | Ensures <dt> and <dd> elements are contained by a <dl> | Serious | cat.structure, wcag2a, wcag131 | failure | |
| [document-title](https://dequeuniversity.com/rules/axe/4.7/document-title?application=RuleDescription) | Ensures each HTML document contains a non-empty <title> element | Serious | cat.text-alternatives, wcag2a, wcag242, ACT, TTv5, TT12.a | failure | [2779a5](https://act-rules.github.io/rules/2779a5) |
| [duplicate-id-active](https://dequeuniversity.com/rules/axe/4.7/duplicate-id-active?application=RuleDescription) | Ensures every id attribute value of active elements is unique | Serious | cat.parsing, wcag2a, wcag411 | failure | [3ea0c8](https://act-rules.github.io/rules/3ea0c8) |
| [duplicate-id-aria](https://dequeuniversity.com/rules/axe/4.7/duplicate-id-aria?application=RuleDescription) | Ensures every id attribute value used in ARIA and in labels is unique | Critical | cat.parsing, wcag2a, wcag411 | failure | [3ea0c8](https://act-rules.github.io/rules/3ea0c8) |
| [duplicate-id](https://dequeuniversity.com/rules/axe/4.7/duplicate-id?application=RuleDescription) | Ensures every id attribute value is unique | Minor | cat.parsing, wcag2a, wcag411 | failure | [3ea0c8](https://act-rules.github.io/rules/3ea0c8) |
| [form-field-multiple-labels](https://dequeuniversity.com/rules/axe/4.7/form-field-multiple-labels?application=RuleDescription) | Ensures form field does not have multiple label elements | Moderate | cat.forms, wcag2a, wcag332, TTv5, TT5.c | needs review | |
| [frame-focusable-content](https://dequeuniversity.com/rules/axe/4.7/frame-focusable-content?application=RuleDescription) | Ensures <frame> and <iframe> elements with focusable content do not have tabindex=-1 | Serious | cat.keyboard, wcag2a, wcag211, TTv5, TT4.a | failure, needs review | [akn7bn](https://act-rules.github.io/rules/akn7bn) |
| [frame-title-unique](https://dequeuniversity.com/rules/axe/4.7/frame-title-unique?application=RuleDescription) | Ensures <iframe> and <frame> elements contain a unique title attribute | Serious | cat.text-alternatives, wcag412, wcag2a, TTv5, TT12.d | needs review | [4b1c6c](https://act-rules.github.io/rules/4b1c6c) |
Expand Down Expand Up @@ -153,3 +151,5 @@ Deprecated rules are disabled by default and will be removed in the next major r
| :----------------------------------------------------------------------------------------------------------------- | :------------------------------------------------------------------------------------- | :------- | :--------------------------------------------------------------------------- | :------------------------- | :----------------------------------------------------------------------------------------------------- |
| [aria-roledescription](https://dequeuniversity.com/rules/axe/4.7/aria-roledescription?application=RuleDescription) | Ensure aria-roledescription is only used on elements with an implicit or explicit role | Serious | cat.aria, wcag2a, wcag412, deprecated | failure, needs review | |
| [audio-caption](https://dequeuniversity.com/rules/axe/4.7/audio-caption?application=RuleDescription) | Ensures <audio> elements have captions | Critical | cat.time-and-media, wcag2a, wcag121, section508, section508.22.a, deprecated | needs review | [2eb176](https://act-rules.github.io/rules/2eb176), [afb423](https://act-rules.github.io/rules/afb423) |
| [duplicate-id-active](https://dequeuniversity.com/rules/axe/4.7/duplicate-id-active?application=RuleDescription) | Ensures every id attribute value of active elements is unique | Serious | cat.parsing, wcag2a-obsolete, wcag411, deprecated | failure | [3ea0c8](https://act-rules.github.io/rules/3ea0c8) |
| [duplicate-id](https://dequeuniversity.com/rules/axe/4.7/duplicate-id?application=RuleDescription) | Ensures every id attribute value is unique | Minor | cat.parsing, wcag2a-obsolete, wcag411, deprecated | failure | [3ea0c8](https://act-rules.github.io/rules/3ea0c8) |
3 changes: 2 additions & 1 deletion lib/rules/duplicate-id-active.json
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Expand Up @@ -3,7 +3,8 @@
"selector": "[id]",
"matches": "duplicate-id-active-matches",
"excludeHidden": false,
"tags": ["cat.parsing", "wcag2a", "wcag411"],
"tags": ["cat.parsing", "wcag2a-obsolete", "wcag411", "deprecated"],
"enabled": false,
"actIds": ["3ea0c8"],
"metadata": {
"description": "Ensures every id attribute value of active elements is unique",
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3 changes: 2 additions & 1 deletion lib/rules/duplicate-id.json
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Expand Up @@ -3,7 +3,8 @@
"selector": "[id]",
"matches": "duplicate-id-misc-matches",
"excludeHidden": false,
"tags": ["cat.parsing", "wcag2a", "wcag411"],
"tags": ["cat.parsing", "wcag2a-obsolete", "wcag411", "deprecated"],
"enabled": false,
"actIds": ["3ea0c8"],
"metadata": {
"description": "Ensures every id attribute value is unique",
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