From abc95d4622ad32d41ff59790538b35a8a03e67e7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristj=C3=A1n=20Oddsson?= Date: Tue, 9 Jul 2024 15:01:07 +0200 Subject: [PATCH] Quickly generate a rule from the axe-core documentation --- package-lock.json | 223 +++++++++++++++++++++++++++++++++++ package.json | 5 +- scripts/generate-axe-rule.ts | 95 +++++++++++++++ 3 files changed, 322 insertions(+), 1 deletion(-) create mode 100644 scripts/generate-axe-rule.ts diff --git a/package-lock.json b/package-lock.json index 5524203..71b45b6 100644 --- a/package-lock.json +++ b/package-lock.json @@ -16,6 +16,7 @@ "@web/test-runner": "^0.18.2", "@web/test-runner-junit-reporter": "^0.7.1", "@web/test-runner-playwright": "^0.11.0", + "cheerio": "^1.0.0-rc.12", "eslint": "^8.25.0", "eslint-plugin-github": "^4.4.0", "tablemark": "^3.1.0", @@ -2287,6 +2288,13 @@ "url": "https://github.com/sponsors/sindresorhus" } }, + "node_modules/boolbase": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz", + "integrity": "sha512-JZOSA7Mo9sNGB8+UjSgzdLtokWAky1zbztM3WRLCbZ70/3cTANmQmOdR7y2g+J0e2WXywy1yS468tY+IruqEww==", + "dev": true, + "license": "ISC" + }, "node_modules/brace-expansion": { "version": "1.1.11", "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz", @@ -2576,6 +2584,59 @@ "node": ">=8" } }, + "node_modules/cheerio": { + "version": "1.0.0-rc.12", + "resolved": "https://registry.npmjs.org/cheerio/-/cheerio-1.0.0-rc.12.tgz", + "integrity": "sha512-VqR8m68vM46BNnuZ5NtnGBKIE/DfN0cRIzg9n40EIq9NOv90ayxLBXA8fXC5gquFRGJSTRqBq25Jt2ECLR431Q==", + "dev": true, + "license": "MIT", + "dependencies": { + "cheerio-select": "^2.1.0", + "dom-serializer": "^2.0.0", + "domhandler": "^5.0.3", + "domutils": "^3.0.1", + "htmlparser2": "^8.0.1", + "parse5": "^7.0.0", + "parse5-htmlparser2-tree-adapter": "^7.0.0" + }, + "engines": { + "node": ">= 6" + }, + "funding": { + "url": "https://github.com/cheeriojs/cheerio?sponsor=1" + } + }, + "node_modules/cheerio-select": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/cheerio-select/-/cheerio-select-2.1.0.tgz", + "integrity": "sha512-9v9kG0LvzrlcungtnJtpGNxY+fzECQKhK4EGJX2vByejiMX84MFNQw4UxPJl3bFbTMw+Dfs37XaIkCwTZfLh4g==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "boolbase": "^1.0.0", + "css-select": "^5.1.0", + "css-what": "^6.1.0", + "domelementtype": "^2.3.0", + "domhandler": "^5.0.3", + "domutils": "^3.0.1" + }, + "funding": { + "url": "https://github.com/sponsors/fb55" + } + }, + "node_modules/cheerio/node_modules/parse5": { + "version": "7.1.2", + "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.1.2.tgz", + "integrity": "sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==", + "dev": true, + "license": "MIT", + "dependencies": { + "entities": "^4.4.0" + }, + "funding": { + "url": "https://github.com/inikulin/parse5?sponsor=1" + } + }, "node_modules/chokidar": { "version": "3.6.0", "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.6.0.tgz", @@ -2874,6 +2935,36 @@ "node": ">= 8" } }, + "node_modules/css-select": { + "version": "5.1.0", + "resolved": "https://registry.npmjs.org/css-select/-/css-select-5.1.0.tgz", + "integrity": "sha512-nwoRF1rvRRnnCqqY7updORDsuqKzqYJ28+oSMaJMMgOauh3fvwHqMS7EZpIPqK8GL+g9mKxF1vP/ZjSeNjEVHg==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "boolbase": "^1.0.0", + "css-what": "^6.1.0", + "domhandler": "^5.0.2", + "domutils": "^3.0.1", + "nth-check": "^2.0.1" + }, + "funding": { + "url": "https://github.com/sponsors/fb55" + } + }, + "node_modules/css-what": { + "version": "6.1.0", + "resolved": "https://registry.npmjs.org/css-what/-/css-what-6.1.0.tgz", + "integrity": "sha512-HTUrgRJ7r4dsZKU6GjmpfRK1O76h97Z8MfS1G0FozR+oF2kG6Vfe8JE6zwrkbxigziPHinCJ+gCPjA9EaBDtRw==", + "dev": true, + "license": "BSD-2-Clause", + "engines": { + "node": ">= 6" + }, + "funding": { + "url": "https://github.com/sponsors/fb55" + } + }, "node_modules/damerau-levenshtein": { "version": "1.0.8", "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.8.tgz", @@ -3123,6 +3214,65 @@ "node": ">=6.0.0" } }, + "node_modules/dom-serializer": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-2.0.0.tgz", + "integrity": "sha512-wIkAryiqt/nV5EQKqQpo3SToSOV9J0DnbJqwK7Wv/Trc92zIAYZ4FlMu+JPFW1DfGFt81ZTCGgDEabffXeLyJg==", + "dev": true, + "license": "MIT", + "dependencies": { + "domelementtype": "^2.3.0", + "domhandler": "^5.0.2", + "entities": "^4.2.0" + }, + "funding": { + "url": "https://github.com/cheeriojs/dom-serializer?sponsor=1" + } + }, + "node_modules/domelementtype": { + "version": "2.3.0", + "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-2.3.0.tgz", + "integrity": "sha512-OLETBj6w0OsagBwdXnPdN0cnMfF9opN69co+7ZrbfPGrdpPVNBUj02spi6B1N7wChLQiPn4CSH/zJvXw56gmHw==", + "dev": true, + "funding": [ + { + "type": "github", + "url": "https://github.com/sponsors/fb55" + } + ], + "license": "BSD-2-Clause" + }, + "node_modules/domhandler": { + "version": "5.0.3", + "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-5.0.3.tgz", + "integrity": "sha512-cgwlv/1iFQiFnU96XXgROh8xTeetsnJiDsTc7TYCLFd9+/WNkIqPTxiM/8pSd8VIrhXGTf1Ny1q1hquVqDJB5w==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "domelementtype": "^2.3.0" + }, + "engines": { + "node": ">= 4" + }, + "funding": { + "url": "https://github.com/fb55/domhandler?sponsor=1" + } + }, + "node_modules/domutils": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.1.0.tgz", + "integrity": "sha512-H78uMmQtI2AhgDJjWeQmHwJJ2bLPD3GMmO7Zja/ZZh84wkm+4ut+IUnUdRa8uCGX88DiVx1j6FRe1XfxEgjEZA==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "dom-serializer": "^2.0.0", + "domelementtype": "^2.3.0", + "domhandler": "^5.0.3" + }, + "funding": { + "url": "https://github.com/fb55/domutils?sponsor=1" + } + }, "node_modules/ee-first": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz", @@ -3159,6 +3309,19 @@ "once": "^1.4.0" } }, + "node_modules/entities": { + "version": "4.5.0", + "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz", + "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==", + "dev": true, + "license": "BSD-2-Clause", + "engines": { + "node": ">=0.12" + }, + "funding": { + "url": "https://github.com/fb55/entities?sponsor=1" + } + }, "node_modules/errorstacks": { "version": "2.4.1", "resolved": "https://registry.npmjs.org/errorstacks/-/errorstacks-2.4.1.tgz", @@ -4526,6 +4689,26 @@ "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==", "dev": true }, + "node_modules/htmlparser2": { + "version": "8.0.2", + "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-8.0.2.tgz", + "integrity": "sha512-GYdjWKDkbRLkZ5geuHs5NY1puJ+PXwP7+fHPRz06Eirsb9ugf6d8kkXav6ADhcODhFFPMIXyxkxSuMf3D6NCFA==", + "dev": true, + "funding": [ + "https://github.com/fb55/htmlparser2?sponsor=1", + { + "type": "github", + "url": "https://github.com/sponsors/fb55" + } + ], + "license": "MIT", + "dependencies": { + "domelementtype": "^2.3.0", + "domhandler": "^5.0.3", + "domutils": "^3.0.1", + "entities": "^4.4.0" + } + }, "node_modules/http-assert": { "version": "1.5.0", "resolved": "https://registry.npmjs.org/http-assert/-/http-assert-1.5.0.tgz", @@ -5818,6 +6001,19 @@ "node": ">=0.10.0" } }, + "node_modules/nth-check": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/nth-check/-/nth-check-2.1.1.tgz", + "integrity": "sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "boolbase": "^1.0.0" + }, + "funding": { + "url": "https://github.com/fb55/nth-check?sponsor=1" + } + }, "node_modules/object-inspect": { "version": "1.13.1", "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz", @@ -6073,6 +6269,33 @@ "integrity": "sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw==", "dev": true }, + "node_modules/parse5-htmlparser2-tree-adapter": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-7.0.0.tgz", + "integrity": "sha512-B77tOZrqqfUfnVcOrUvfdLbz4pu4RopLD/4vmu3HUPswwTA8OH0EMW9BlWR2B0RCoiZRAHEUu7IxeP1Pd1UU+g==", + "dev": true, + "license": "MIT", + "dependencies": { + "domhandler": "^5.0.2", + "parse5": "^7.0.0" + }, + "funding": { + "url": "https://github.com/inikulin/parse5?sponsor=1" + } + }, + "node_modules/parse5-htmlparser2-tree-adapter/node_modules/parse5": { + "version": "7.1.2", + "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.1.2.tgz", + "integrity": "sha512-Czj1WaSVpaoj0wbhMzLmWD69anp2WH7FXMB9n1Sy8/ZFF9jolSQVMu1Ij5WIyGmcBmhk7EOndpO4mIpihVqAXw==", + "dev": true, + "license": "MIT", + "dependencies": { + "entities": "^4.4.0" + }, + "funding": { + "url": "https://github.com/inikulin/parse5?sponsor=1" + } + }, "node_modules/parseurl": { "version": "1.3.3", "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz", diff --git a/package.json b/package.json index c9fb8cd..6e519a8 100644 --- a/package.json +++ b/package.json @@ -18,7 +18,9 @@ "start": "web-dev-server", "build:readme": "tsx generate-readme.ts" }, - "files": ["dist/src/*"], + "files": [ + "dist/src/*" + ], "keywords": [], "author": "Kristján Oddsson", "license": "ISC", @@ -30,6 +32,7 @@ "@web/test-runner": "^0.18.2", "@web/test-runner-junit-reporter": "^0.7.1", "@web/test-runner-playwright": "^0.11.0", + "cheerio": "^1.0.0-rc.12", "eslint": "^8.25.0", "eslint-plugin-github": "^4.4.0", "tablemark": "^3.1.0", diff --git a/scripts/generate-axe-rule.ts b/scripts/generate-axe-rule.ts new file mode 100644 index 0000000..ed8a2fe --- /dev/null +++ b/scripts/generate-axe-rule.ts @@ -0,0 +1,95 @@ +import { writeFile } from "node:fs/promises"; +import { parseArgs } from "node:util"; +import * as cheerio from "cheerio"; +import { format } from "prettier"; + +const args = parseArgs({ + options: { + rule: { + type: "string", + }, + }, +}); + +const { + values: { rule }, +} = args; + +const response = await fetch( + `https://dequeuniversity.com/rules/axe/4.4/${rule}`, +); + +if (!response.ok) { + throw new Error("Couldn't find rule"); +} + +const $ = cheerio.load(await response.text()); + +const text = $("h1").text(); +const good = $(".example:has(h3.good) > pre > code").text().split("\n\n"); +const bad = $(".example:has(h3.bad) > pre > code").text().split("\n\n"); + +const ruleTemplate = await format( + `import { AccessibilityError } from "../scanner"; + +const text = "${text}"; +const url = + "https://dequeuniversity.com/rules/axe/4.4/${rule}"; + +export default function (el: Element): AccessibilityError[] { + throw new Error('Not implemented'); + + const errors = []; + return errors; +}`, + { parser: "typescript" }, +); + +const testTemplate = await format( + `import { fixture, expect } from "@open-wc/testing"; +import { Scanner } from "../src/scanner"; +import rule from "../src/rules/${rule}"; + +const scanner = new Scanner([rule]); + +const passes = [ + ${good.map((t) => `\`${t}\`,`).join("\n")} +]; + +const violations = [ + ${bad.map((t) => `\`${t}\`,`).join("\n")} +]; + +describe("${rule}", async function () { + for (const markup of passes) { + const el = await fixture(markup); + it(el.outerHTML, async function () { + const results = (await scanner.scan(el)).map(({ text, url }) => { + return { text, url }; + }); + + expect(results).to.be.empty; + }); + } + + for (const markup of violations) { + const el = await fixture(markup); + it(el.outerHTML, async function () { + const results = (await scanner.scan(el)).map(({ text, url }) => { + return { text, url }; + }); + + expect(results).to.eql([ + { + "text": "${text}", + "url": "https://dequeuniversity.com/rules/axe/4.4/${rule}" + }, + ]); + }); + } +});`, + { parser: "typescript" }, +); + +await writeFile(`./src/rules/${rule}.ts`, ruleTemplate, "utf8"); +await writeFile(`./tests/${rule}.ts`, testTemplate, "utf8");