working on bcoe#436 (comment)

lib/parse-args.js

@@ -194,24 +194,37 @@ function buildYargs (withCommands = false) {
   return yargs
 }
 
+// Loads any kind of configuration file that has
+// a .js, .cjs, .yml, .yaml extension
+// will also attempt to load anything with
+// an rc at the end of the filename.  The rc
+// files will always be loaded as json
 function loadConfigFile (path) {
   let config = {}
   const jsExts = ['.js', '.cjs']
   const ymlExts = ['.yml', '.yaml']
   const fileName = basename(path)
 
   const ext = extname(path).toLowerCase()
-  if (jsExts.includes(ext)) {
-    config = require(path)
-  } else if (ymlExts.includes(ext)) {
-    config = require('js-yaml').load(readFileSync(path, 'utf8'))
-  } else if (ext === '.json' || fileName.slice(-2) === 'rc') {
-    config = JSON.parse(readFileSync(path, 'utf8'))
-  }
 
-  // Should the process die if none of these filename extensions are found?
-  if (Object.keys(config).length === 0) {
-    throw new Error(`Unsupported file type ${ext} while reading file ${path}`)
+  const errorMessage = `Unsupported file type ${ext} while reading file ${path}`
+
+  // Need to write unit tests for these.
+  try {
+    if (jsExts.includes(ext)) {
+      config = require(path)
+    } else if (ymlExts.includes(ext)) {
+      config = require('js-yaml').load(readFileSync(path, 'utf8'))
+    } else if (ext === '.json' || fileName.slice(-2) === 'rc') {
+      config = JSON.parse(readFileSync(path, 'utf8'))
+    } else {
+      // Should the process die if none of these filename extensions are found?
+      // I think yes, because we need to know how to parse the file passed.
+      throw new Error(errorMessage)
+    }
+  } catch (e) {
+    console.error(String(e))
+    process.exit()
   }
 
   return config