Extract writeSummaryHTML into dedicated module

src/mergeAxeResults.ts

@@ -38,6 +38,7 @@ import {
 import writeCsv from './mergeAxeResults/writeCsv.js';
 import writeScanDetailsCsv from './mergeAxeResults/writeScanDetailsCsv.js';
 import writeSitemap from './mergeAxeResults/writeSitemap.js';
+import writeSummaryHTML from './mergeAxeResults/writeSummaryHTML.js';
 import populateScanPagesDetail from './mergeAxeResults/scanPages.js';
 import sendWcagBreakdownToSentry from './mergeAxeResults/sentryTelemetry.js';
 import type { AllIssues, PageInfo, RuleInfo } from './mergeAxeResults/types.js';
@@ -321,19 +322,6 @@ var scanItemsPromise = (async () => {
   });
 };
 
-const writeSummaryHTML = async (
-  allIssues: AllIssues,
-  storagePath: string,
-  htmlFilename = 'summary',
-) => {
-  const ejsString = fs.readFileSync(path.join(dirname, './static/ejs/summary.ejs'), 'utf-8');
-  const template = ejs.compile(ejsString, {
-    filename: path.join(dirname, './static/ejs/summary.ejs'),
-  });
-  const html = template(allIssues);
-  fs.writeFileSync(`${storagePath}/${htmlFilename}.html`, html);
-};
-
 const cleanUpJsonFiles = async (filesToDelete: string[]) => {
   consoleLogger.info('Cleaning up JSON files...');
   filesToDelete.forEach(file => {

src/mergeAxeResults/writeSummaryHTML.ts

@@ -0,0 +1,24 @@
+import fs from 'fs-extra';
+import ejs from 'ejs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import type { AllIssues } from './types.js';
+
+const filename = fileURLToPath(import.meta.url);
+const dirname = path.dirname(filename);
+
+const writeSummaryHTML = async (
+  allIssues: AllIssues,
+  storagePath: string,
+  htmlFilename = 'summary',
+): Promise<void> => {
+  const summaryTemplatePath = path.join(dirname, '../static/ejs/summary.ejs');
+  const ejsString = fs.readFileSync(summaryTemplatePath, 'utf-8');
+  const template = ejs.compile(ejsString, {
+    filename: summaryTemplatePath,
+  });
+  const html = template(allIssues);
+  fs.writeFileSync(`${storagePath}/${htmlFilename}.html`, html);
+};
+
+export default writeSummaryHTML;