Initial Pass at Accessibility Checks in CI (#88)

utils/accesibilityCheck.js

@@ -0,0 +1,22 @@
+const { AxePuppeteer } = require("axe-puppeteer");
+const puppeteer = require("puppeteer");
+
+(async () => {
+  const browser = await puppeteer.launch({ ignoreHTTPSErrors: true });
+  const page = await browser.newPage();
+  await page.setBypassCSP(true);
+  await page.goto("https://localhost:1234/hostedExplorer.html");
+
+  const results = await new AxePuppeteer(page).withTags(["wcag2a", "wcag2aa"]).analyze();
+  if (results.violations && results.violations.length && results.violations.length > 0) {
+    throw results.violations;
+  }
+
+  await page.close();
+  await browser.close();
+  console.log(`Accessibility Check Passed!`);
+})().catch(err => {
+  console.error(`Accessibility Check Failed: ${err.length} Errors`);
+  console.error(err);
+  process.exit(1);
+});