package.json

{
  "name": "research-axe-core",
  "version": "1.0.0",
  "description": "",
  "main": "run-axe.js",
  "scripts": {
    "start": "node run-axe.js > report.csv && nkf -s --overwrite report.csv"
  },
  "author": "Hideki Abe",
  "dependencies": {
    "array-foreach-async": "^1.0.1",
    "axe-core": "^3.4.0",
    "axe-reports": "^1.1.11",
    "fast-xml-parser": "^3.14.0",
    "puppeteer": "^2.0.0"
  }
}

run-axe.js

// 参考: https://www.mitsue.co.jp/knowledge/blog/a11y/201903/07_1700.html
require('array-foreach-async');
const fs = require('fs');
const parser = require('fast-xml-parser');
const puppeteer = require('puppeteer');
const AXE_SOURCE = require('axe-core').source;
const AXE_LOCALE_JA = require('axe-core/locales/ja.json');
const AxeReports = require('axe-reports');

(async () => {
    const browser = await puppeteer.launch();
    // const deviceMobile = puppeteer.devices['iPhone 8'];
    const userAgentString = await browser.userAgent();
    const devicePC = {
        'name': 'Chrome',
        'userAgent': userAgentString,
        'viewport': {
            'width': 1280,
            'height': 600,
            'deviceScaleFactor': 1,
            'isMobile': false,
            'hasTouch': false,
            'isLandscape': false
        }
    };

    AxeReports.createCsvReportHeaderRow();

    const sitemap = fs.readFileSync('sitemap.xml', {encoding: "utf-8"});
    const sitemapJSON = parser.parse(sitemap);
    await sitemapJSON.urlset.url.forEachAsync(async (item) => {
        if (!item.loc) {
            return;
        }

        const page = await browser.newPage();
        await page.setBypassCSP(true);
    
        // ページ読み込み
        await page.emulate(devicePC);
        await page.goto(item.loc);

        // axeを注入して実行
        await page.evaluate(`eval(${JSON.stringify(AXE_SOURCE)});`);
        const results = await page.evaluate((config, context, options) => {
            /* eslint-env browser */
            const {axe} = window;
            axe.configure(config);
            return axe.run(context || document, options || {});
        }, {locale: AXE_LOCALE_JA});
    
        // 結果を確認
        if (results.violations) {
            AxeReports.createCsvReportRow(results);
        }
        await page.close();
    });
    await browser.close();
})();