support comments (#1)

massimocandela · Oct 16, 2022 · 123b163 · 123b163
1 parent 799ef35
commit 123b163
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/index.js b/src/index.js
@@ -32,7 +32,7 @@ const rd = readline.createInterface({
 rd.on('line', function(line) {
     const errors = validator.fromLine(line);
 
-    if (errors.length) {
+    if (errors && errors.length) {
         console.log(`${line} Error: ${errors.join(", ")}`);
     }
 });
diff --git a/src/validator.js b/src/validator.js
@@ -3,7 +3,10 @@ import IsoAbstraction from "./isoAbstraction";
 const iso = new IsoAbstraction();
 
 const fromLine = (line) => {
-    return fromArray(line.split(","));
+    const trimmedLine = line.trim();
+    if (!!trimmedLine && trimmedLine.length > 0 && !trimmedLine.startsWith("#")) {
+        return fromArray(trimmedLine.split(","));
+    }
 };
 
 const fromArray = ([prefix, country, region, city, zip]) => {