diff --git a/_rules/__tests__/unique-ids.js b/_rules/__tests__/unique-ids.js new file mode 100644 index 0000000000..587bbcd4ca --- /dev/null +++ b/_rules/__tests__/unique-ids.js @@ -0,0 +1,12 @@ +const getMarkdownData = require('../../utils/get-markdown-data') +const rulesData = getMarkdownData(`./_rules`) + +describe('Rule ids verification', () => { + const duplicates = rulesData.filter( + (ruleData, idx) => rulesData.findIndex(r => r.frontmatter.id === ruleData.frontmatter.id) !== idx + ) + + test('Rule ids are unique', () => { + expect(duplicates.length, `Duplicated rules: ${duplicates.map(ruleData => ruleData.filename).join(', ')}`).toBe(0) + }) +}) diff --git a/_rules/css-restrict-orientation-b33eff.md b/_rules/css-restrict-orientation-b33eff.md index 08baa230bd..bbba0af402 100755 --- a/_rules/css-restrict-orientation-b33eff.md +++ b/_rules/css-restrict-orientation-b33eff.md @@ -17,6 +17,7 @@ acknowledgments: authors: - Audrey Maniez - Jey Nandakumar + - Tom Brunet funding: - WAI-Tools --- @@ -160,6 +161,8 @@ A page where CSS [transform](https://www.w3.org/TR/css-transforms/#propdef-trans @media (orientation: portrait) { html { transform: rotate(1.5708rad); + width: min(100vw, 100vh); + height: min(100vw, 100vh); } } @@ -203,11 +206,16 @@ This page appears rotated at a slight angle of 2.5 degrees for stylistic purpose @@ -230,6 +238,8 @@ A page where the CSS [rotate](https://www.w3.org/TR/css-transforms-2/#individual @media (orientation: portrait) { html { rotate: 90deg; + width: min(100vw, 100vh); + height: min(100vw, 100vh); } } @@ -315,6 +325,9 @@ A page where CSS [transform](https://www.w3.org/TR/css-transforms/#propdef-trans diff --git a/_rules/image-no-text-0va7u6.md b/_rules/image-no-text-0va7u6.md index be5745d8aa..2fd8b2df35 100644 --- a/_rules/image-no-text-0va7u6.md +++ b/_rules/image-no-text-0va7u6.md @@ -41,12 +41,11 @@ Each test target has no [visible][] [text][human language], except if at least o - decorative: The image with text is [purely decorative][]; or - incidental: The text is not a [significant][insignificant] part of the image; or -- essential: Ensuring presentation of the text is [essential][]. +- essential: The presentation of the text is [essential][]. ## Assumptions -- There is no mechanism to change the rendered text in the image resource. Otherwise, the rule might fail while [SC 1.4.5 Images of Text][sc1.4.5] and [SC 1.4.9 Images of Text (No Exception)][sc1.4.9] might be satisfied. -- The specific presentation of the text rendered in the image resource can be achieved through formatted text. Otherwise, the rule might fail while [SC 1.4.5 Images of Text][sc1.4.5] and [SC 1.4.9 Images of Text (No Exception)][sc1.4.9] might be satisfied. +- This rule assumes that there is no mechanism to change the rendering of text within image resources on the page. For pages that *do* provide such a mechanism, this rule might fail even if [SC 1.4.5 Images of Text][sc1.4.5] is satisfied. - When used in HTML, the SVG `` element is not considered to be an image of text. This is because like any other element in HTML, SVG `` can be adjusted through custom style sheets. This does not apply for SVG text that is in a separate file, and displayed through, for example, the `img` element. ## Accessibility Support diff --git a/_rules/important-line-height-wide-enough-78fd32.md b/_rules/important-line-height-wide-enough-78fd32.md index b8717e0997..7e9767949e 100755 --- a/_rules/important-line-height-wide-enough-78fd32.md +++ b/_rules/important-line-height-wide-enough-78fd32.md @@ -158,8 +158,8 @@ This `p` element has a [computed][] `line-height` of `15px`, 1.5 times its [comp This `p` element has a [computed][] `line-height` of 1.5 times its `font-size`; the `div` element has no [visible][] text node children. ```html -
-

+

+

The toy brought back fond memories of being lost in the rain forest.

diff --git a/_rules/role-required-states-and-properties-4e8ab6.md b/_rules/role-required-states-and-properties-4e8ab6.md index 31f7f86e60..b423a4783f 100755 --- a/_rules/role-required-states-and-properties-4e8ab6.md +++ b/_rules/role-required-states-and-properties-4e8ab6.md @@ -24,6 +24,7 @@ input_aspects: acknowledgments: authors: - Anne Thyme Nørregaard + - Tom Brunet funding: - WAI-Tools --- @@ -38,21 +39,19 @@ For each test target, the [WAI-ARIA required states and properties][] for the ro ## Assumptions -- The applicability of this rule is limited to [explicit semantic roles][explicit semantic role] based on an assumption that all native HTML and SVG elements have native attributes that are mapped to all of the [WAI-ARIA required states and properties](https://www.w3.org/TR/wai-aria/#requiredState) for the [implicit semantic role][] of the element. - -- The ARIA `role` is being used to comply to WCAG. +- The ARIA `role` is being used to conform to WCAG. ## Accessibility Support -This rule relies on browsers and assistive technologies to support leaving out [WAI-ARIA required states and properties][] when a [WAI-ARIA implicit value for role][] is specified in [WAI-ARIA Specifications](#wai-aria-specifications). +This rule relies on browsers and assistive technologies to support leaving out [WAI-ARIA required states and properties][] when a [WAI-ARIA implicit value for role][] is specified in [WAI-ARIA Specifications][]. **Note:** The required states and properties with implicit values can be found in the Core Accessibility API Mappings 1.1 [Overview of default values for missing required attributes](https://www.w3.org/TR/core-aam-1.1/#authorErrorDefaultValuesTable). ## Background -Omitting required ARIA properties is often the result of a developer error. When required properties are missing some browsers and assistive technologies will guess the property, or leave the element inaccessible. +Omitting [WAI-ARIA required states and properties][] is often the result of a developer error. When required properties are missing and a default value is not specified by [WAI-ARIA Specifications][], the behavior is not defined. For [WAI-ARIA 1.2][], the only [explicit semantic roles][explicit semantic role] with a required property with a default value are the `option` and `tabs roles` for the `aria-selected` property. -This rule is testing author built components, not user-agent built ones. Elements that keep their [implicit semantic role][] are mapped into conforming accessible objects, with all required properties, by user agents and are therefore not tested by this rule. Most of these mappings are defined in the [HTML Accessibility API Mappings, Attribute State and Property Mappings](https://www.w3.org/TR/html-aam-1.0/#html-attribute-state-and-property-mappings). +This rule is testing author built components that specify [explicit semantic roles][explicit semantic role] and not components that keep their [implicit semantic role][]. For components that keep their [implicit semantic role][], all native HTML and SVG elements have native attributes that are mapped to all of the [WAI-ARIA required states and properties](https://www.w3.org/TR/wai-aria/#requiredState). Most of these mappings are defined in the [HTML Accessibility API Mappings, Attribute State and Property Mappings][html aam]. ### Bibliography @@ -221,9 +220,11 @@ This `combobox` is not [included in the accessibility tree][] due to its styling ``` [explicit semantic role]: #explicit-role 'Definition of explicit semantic role' +[html aam]: https://www.w3.org/TR/html-aam-1.0/#html-attribute-state-and-property-mappings 'Specification of HTML attributes value mapping to ARIA states and properties' [implicit semantic role]: #implicit-role 'Definition of implicit semantic role' [included in the accessibility tree]: #included-in-the-accessibility-tree 'Definition of Included in The Accessibility Tree' [wai-aria required states and properties]: https://www.w3.org/TR/wai-aria-1.2/#requiredState +[wai-aria specifications]: #wai-aria-specifications 'Definition of WAI-ARIA Specifications' [wai-aria implicit value for role]: https://www.w3.org/TR/wai-aria-1.2/#implictValueForRole [wai-aria 1.2]: https://www.w3.org/TR/wai-aria-1.2/ [html or svg element]: #namespaced-element diff --git a/_rules/visible-label-in-accessible-name-2ee8b8.md b/_rules/visible-label-in-accessible-name-2ee8b8.md index c17073622e..0b5d195890 100755 --- a/_rules/visible-label-in-accessible-name-2ee8b8.md +++ b/_rules/visible-label-in-accessible-name-2ee8b8.md @@ -38,7 +38,7 @@ This rule applies to any element for which all the following is true: ## Expectation -For each target element, all [text nodes][] in the [visible text content][] either match or are contained within the [accessible name][] of this target element, except for characters in the [text nodes][] used to express [non-text content][]. Leading and trailing [whitespace][] and difference in case sensitivity should be ignored. +For each target element, all [text nodes][] in the [visible text content][] [match characters][] and are contained within the [accessible name][] of this target element, except for characters in the [text nodes][] used to express [non-text content][]. Leading and trailing [whitespace][] and difference in case sensitivity should be ignored. ## Assumptions @@ -97,10 +97,10 @@ This button has [visible][] text that is contained within the [accessible name][ #### Passed Example 5 -This button has [visible][] text that does not need to be contained within the [accessible name][], because the "x" text node is [non-text content][]. +This button has [visible][] text that does not need to be contained within the [accessible name][], because the "x" text node is [non-text content][]. Note: this would need to meet SC 1.1.1 Non text content. ```html - + ``` #### Passed Example 6 @@ -143,6 +143,22 @@ This link has [visible][] text with mathematical symbols, that does not match th Proof of 2×2=4 ``` +#### Failed Example 4 + +This link has [visible][] text does not match the [accessible name][] because there is a hyphen in the accessible name. + +```html +nonstandard +``` + +#### Failed Example 5 + +This link has [visible][] text does not match the [accessible name][] because there are extra spaces in the accessible name. + +```html +123.456.7890 +``` + ### Inapplicable #### Inapplicable Example 1 @@ -181,6 +197,7 @@ This link has no [visible text content][]. ``` [accessible name]: #accessible-name 'Definition of accessible name' +[match characters]: #matching-characters 'Definition of matching characters' [non-text content]: https://www.w3.org/TR/WCAG21/#dfn-non-text-content 'WCAG Definition of Non-text content' [presentational roles conflict resolution]: https://www.w3.org/TR/wai-aria-1.1/#conflict_resolution_presentation_none 'Presentational Roles Conflict Resolution' [semantic role]: #semantic-role 'Definition of Semantic role' diff --git a/package-lock.json b/package-lock.json index baacff514b..d2b3aa3fd1 100644 --- a/package-lock.json +++ b/package-lock.json @@ -56,12 +56,13 @@ } }, "node_modules/@babel/code-frame": { - 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"chalk": "^2.0.0", + "@babel/helper-validator-identifier": "^7.22.20", + "chalk": "^2.4.2", "js-tokens": "^4.0.0" }, "engines": { @@ -315,9 +326,9 @@ } }, "node_modules/@babel/parser": { - "version": "7.18.9", - "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.18.9.tgz", - "integrity": "sha512-9uJveS9eY9DJ0t64YbIBZICtJy8a5QrDEVdiLCG97fVLpDTpGX7t8mMSb6OWw6Lrnjqj4O8zwjELX3dhoMgiBg==", + "version": "7.23.0", + "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.23.0.tgz", + "integrity": "sha512-vvPKKdMemU85V9WE/l5wZEmImpCtLqbnTvqDS2U1fJ96KrxoW7KrXhNsNCblQlg8Ck4b85yxdTyelsMUgFUXiw==", "dev": true, "bin": { "parser": "bin/babel-parser.js" @@ -514,33 +525,33 @@ } }, "node_modules/@babel/template": { - "version": "7.18.6", - "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.18.6.tgz", - "integrity": "sha512-JoDWzPe+wgBsTTgdnIma3iHNFC7YVJoPssVBDjiHfNlyt4YcunDtcDOUmfVDfCK5MfdsaIoX9PkijPhjH3nYUw==", + "version": "7.22.15", + "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.22.15.tgz", + "integrity": "sha512-QPErUVm4uyJa60rkI73qneDacvdvzxshT3kksGqlGWYdOTIUOwJ7RDUL8sGqslY1uXWSL6xMFKEXDS3ox2uF0w==", "dev": true, "dependencies": { - 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