Try a new approach

build/glossary.mjs

@@ -0,0 +1,22 @@
+import * as path from 'path';
+import { argv } from 'node:process';
+import * as fs from 'fs/promises';
+import { getCssClasses } from './getCssClasses.mjs';
+
+try {
+  const args = argv.slice(2);
+
+  const fileClasses = await getCssClasses(args[0]);
+
+  const outputFilePath = args[1] ?? `${path.parse(args[0]).name}.json`
+
+  await fs.writeFile(outputFilePath, JSON.stringify(fileClasses))
+}
+catch (error) {
+  // console.log(error)
+  // TODO: inputPath could be an HTTP link
+  console.log(`Usage: node glossary.mjs <inputPath> <outputPath>
+  - inputPath: CSS file to parse
+  - outputPath: JSON file (optional). Default value is: <inputPath>.json
+  `)
+}