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fix(public): bring in-content links up to WCAG 2.2 24px tap targets #25
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| import { readFileSync } from "node:fs" | ||
| import { fileURLToPath } from "node:url" | ||
| import { dirname, join } from "node:path" | ||
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| const ROOT = join(dirname(fileURLToPath(import.meta.url)), "..") | ||
| const read = (p) => readFileSync(join(ROOT, p), "utf8") | ||
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| let failures = 0 | ||
| let checks = 0 | ||
| const ok = (cond, msg) => { | ||
| checks++ | ||
| if (cond) console.log(` ok ${msg}`) | ||
| else { | ||
| failures++ | ||
| console.error(` FAIL ${msg}`) | ||
| } | ||
| } | ||
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| // Every public page that carries the shared header/footer. | ||
| const PUBLIC_PAGES = [ | ||
| "public/index.html", | ||
| "public/contact/index.html", | ||
| "public/promptly/index.html", | ||
| "public/promptly/support/index.html", | ||
| "public/promptly/privacy/index.html", | ||
| "public/drishti/index.html", | ||
| "public/drishti/support/index.html", | ||
| "public/drishti/privacy/index.html", | ||
| "public/support/index.html", | ||
| "public/privacy/index.html", | ||
| "public/privacy-choices/index.html", | ||
| "public/terms/index.html" | ||
| ] | ||
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| const beforeFooter = (html) => { | ||
| const end = html.indexOf("<footer") | ||
| return end === -1 ? html : html.slice(0, end) | ||
| } | ||
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| const countLinks = (block) => (block.match(/<a\b/gi) ?? []).length | ||
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| // Anchors whose own class already guarantees a >= 24px target via the | ||
| // .button/.text-link (48px), .ghost-button (48px), .skip-link (48px), or | ||
| // .brand (42px brand-mark) rules. Header chrome and CTAs, not plain content. | ||
| const CHROME_OR_CTA_CLASSES = /class="(skip-link|brand|button|ghost-button|text-link)"/ | ||
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| const countChromeOrCtaLinks = (block) => | ||
| (block.match(/<a\b[^>]*class="[^"]*"[^>]*>/gi) ?? []).filter((tag) => | ||
| CHROME_OR_CTA_CLASSES.test(tag) | ||
| ).length | ||
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| const linksInside = (block, container) => | ||
| (block.match(container) ?? []).reduce((sum, part) => sum + countLinks(part), 0) | ||
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| const TOP_NAV = /<nav\b[^>]*class="top-nav"[^>]*>[\s\S]*?<\/nav>/gi | ||
| const PLAIN_LIST = /<ul\b[^>]*class="plain-list"[^>]*>[\s\S]*?<\/ul>/gi | ||
| const PRODUCT_LINKS = /<div\b[^>]*class="product-links"[^>]*>[\s\S]*?<\/div>/gi | ||
| const RAIL_ITEM = /<article\b[^>]*class="[^"]*rail-item[^"]*"[^>]*>([\s\S]*?)<\/article>/gi | ||
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| // The containers whose links styles.css must raise to a >= 24px target. | ||
| const IN_CONTENT_SELECTORS = [ | ||
| ".top-nav a", | ||
| ".plain-list a", | ||
| ".product-links a", | ||
| ".rail-item strong a" | ||
| ] | ||
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| // Links inside a rail-item <strong> (the hero rail "link as heading" anchors | ||
| // such as inish.in and The Website Correction). | ||
| const railItemStrongLinks = (html) => | ||
| (html.match(RAIL_ITEM) ?? []) | ||
| .flatMap((article) => [...article.matchAll(/<strong\b[^>]*>([\s\S]*?)<\/strong>/gi)]) | ||
| .reduce((sum, m) => sum + countLinks(m[1]), 0) | ||
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| const footerBlockOf = (html) => { | ||
| const start = html.indexOf("<footer") | ||
| const end = html.indexOf("</footer>") | ||
| if (start === -1 || end === -1) return "" | ||
| return html.slice(start, end) | ||
| } | ||
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| const countFooterLinks = (block) => | ||
| (block.match(/<ul\s+class="footer-links"[^>]*>[\s\S]*?<\/ul>/gi) ?? []).reduce( | ||
| (sum, list) => sum + countLinks(list), | ||
| 0 | ||
| ) | ||
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| console.log("test-public-link-targets: every interactive link on the public pages is a WCAG 2.2 24px tap target") | ||
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| console.log("A. every in-content link on every public page is covered by a >= 24px container or CTA class") | ||
| for (const page of PUBLIC_PAGES) { | ||
| const content = beforeFooter(read(page)) | ||
| const total = countLinks(content) | ||
| const covered = | ||
| countChromeOrCtaLinks(content) + | ||
| linksInside(content, TOP_NAV) + | ||
| linksInside(content, PLAIN_LIST) + | ||
| linksInside(content, PRODUCT_LINKS) + | ||
| railItemStrongLinks(content) | ||
| ok( | ||
| total === covered && covered > 0, | ||
| `${page} has no uncovered in-content links (${covered}/${total} in styled containers or CTA classes)` | ||
|
Comment on lines
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There was a problem hiding this comment. 🎯 Functional Correctness | 🟠 Major | ⚡ Quick win De-duplicate covered anchors before comparison. A CTA link inside Track each anchor by its source position and compare the unique covered-anchor set with the complete anchor set. 🤖 Prompt for AI Agents |
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| ) | ||
| } | ||
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| console.log("B. styles.css gives every in-content container a >= 24px target") | ||
| const css = read("public/styles.css") | ||
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| const targetRuleOf = (selector) => { | ||
| const esc = (s) => s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&") | ||
| const pattern = selector | ||
| .split(",") | ||
| .map((s) => esc(s.trim())) | ||
| .join("\\s*,\\s*") | ||
| const match = css.match(new RegExp(`${pattern}\\s*\\{([^}]*)\\}`)) | ||
| return match ? match[1] : null | ||
| } | ||
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| const assert24pxRule = (selector, rule) => { | ||
| ok(rule !== null, `styles.css has a ${selector} rule`) | ||
| if (rule) { | ||
| ok(/display:\s*(inline-block|inline-flex|block)/.test(rule), `${selector} links are block-level boxes (hit area covers the line box)`) | ||
| ok(!/display:\s*inline\s*;/.test(rule), `${selector} links are not plain inline boxes`) | ||
| ok(/min-height:\s*24px/.test(rule), `${selector} links declare min-height: 24px`) | ||
| const paddingMatch = rule.match(/padding:\s*([^;]+)/) | ||
| ok(paddingMatch !== null, `${selector} links declare vertical padding`) | ||
| if (paddingMatch) { | ||
| const vertical = parseFloat(paddingMatch[1].trim().split(/\s+/)[0]) | ||
| ok(vertical >= 4, `${selector} vertical padding is at least 4px (${vertical}px), so 16px text + padding >= 24px`) | ||
| } | ||
| } | ||
| } | ||
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| for (const selector of IN_CONTENT_SELECTORS) { | ||
| assert24pxRule(selector, targetRuleOf(selector)) | ||
| } | ||
| assert24pxRule(".footer-links a", targetRuleOf(".footer-links a")) | ||
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| console.log("C. styles.css still keeps CTA and header links above the minimum") | ||
| const buttonRule = targetRuleOf(".button, .text-link") | ||
| ok(buttonRule !== null, "styles.css has a .button, .text-link rule") | ||
| if (buttonRule) { | ||
| const minHeight = buttonRule.match(/min-height:\s*(\d+)px/) | ||
| ok(minHeight !== null && parseFloat(minHeight[1]) >= 24, `.button and .text-link declare min-height >= 24px (${minHeight ? minHeight[1] : "none"}px)`) | ||
| } | ||
| const ghostRule = targetRuleOf(".ghost-button") | ||
| ok(ghostRule !== null, "styles.css has a .ghost-button rule") | ||
| if (ghostRule) { | ||
| const minHeight = ghostRule.match(/min-height:\s*(\d+)px/) | ||
| ok(minHeight !== null && parseFloat(minHeight[1]) >= 24, `.ghost-button declares min-height >= 24px (${minHeight ? minHeight[1] : "none"}px)`) | ||
| } | ||
| const brandRule = targetRuleOf(".brand") | ||
| ok(brandRule !== null, "styles.css has a .brand rule") | ||
| if (brandRule) { | ||
| ok(/display:\s*(inline-flex|flex|inline-block|block)/.test(brandRule), ".brand is a block-level box") | ||
| } | ||
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| console.log("D. every footer link on every public page is a .footer-links link") | ||
| for (const page of PUBLIC_PAGES) { | ||
| const block = footerBlockOf(read(page)) | ||
| const total = countLinks(block) | ||
| const inLists = countFooterLinks(block) | ||
| ok(total > 0, `${page} has a footer with links`) | ||
| ok(inLists === total && inLists > 0, `${page} keeps every footer link inside .footer-links (${inLists}/${total})`) | ||
| } | ||
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| console.log("E. npm test/ci wiring") | ||
| const pkg = JSON.parse(read("package.json")) | ||
| ok( | ||
| pkg.scripts.test.includes("test-public-link-targets.mjs"), | ||
| "npm test runs the public link target test" | ||
| ) | ||
| ok( | ||
| pkg.scripts.ci.includes("test-public-link-targets.mjs"), | ||
| "npm run ci runs the public link target test" | ||
| ) | ||
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| console.log(`\n${checks} checks, ${failures} failures`) | ||
| process.exit(failures === 0 ? 0 : 1) | ||
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🎯 Functional Correctness | 🟠 Major | ⚡ Quick win
Enforce the 24px inline dimension.
These rules only enforce target height. A short anchor can remain narrower than 24px and still pass
scripts/test-public-link-targets.mjs, because that validator does not check width.Add
min-width: 24pxormin-inline-size: 24pxto each selector. Extend the validator to require the same property.Also applies to: 325-329, 414-416, 698-702
🤖 Prompt for AI Agents