PR review changes

Author: Timer

lib/loader.js

@@ -18,13 +18,13 @@ try {
     const sass = require("node-sass");
     const sassVersion = require("node-sass/package.json").version;
 
-    if (/^4[.]/.test(sassVersion)) {
+    if (Number(sassVersion[0]) >= 4) {
         asyncSassJobQueue = async.queue(sass.render, threadPoolSize - 1);
     } else {
-        loadingError = new Error("The installed version of \`node-sass\` is not compatible (expected: 4.x, actual: " + sassVersion + ").");
+        throw new Error("The installed version of \`node-sass\` is not compatible (expected: 4.x, actual: " + sassVersion + ").");
     }
 } catch (e) {
-    // ignored
+    loadingError = e;
 }
 
 /**