show error if param is unknown

Author: yurikuzn

build.js

@@ -135,6 +135,14 @@ function buildGeneral(options = {}) {
         return;
     }
 
+    if (helpers.hasAnyProcessParam()) {
+        console.log("Unknown parameter.");
+
+        process.exit(1);
+
+        return;
+    }
+
     const flags = [
         ['all', 'build all'],
         ['extension', 'build extension package'],

helpers.js

@@ -207,10 +207,17 @@ Export.getProcessParam = name => {
     return value;
 }
 
+/**
+ * @param {string} string
+ * @return {string}
+ */
 Export.camelCaseToHyphen = (string => string.replace( /([a-z])([A-Z])/g, '$1-$2' ).toLowerCase());
 
+/**
+ * @return {boolean}
+ */
 Export.hasProcessParam = param => {
-    for (let i in process.argv) {
+    for (const i in process.argv) {
         if (process.argv[i] === '--' + param) {
             return true;
         }
@@ -219,4 +226,17 @@ Export.hasProcessParam = param => {
     return false;
 }
 
+/**
+ * @return {boolean}
+ */
+Export.hasAnyProcessParam = () => {
+    for (const i in process.argv) {
+        if (process.argv[i].startsWith('--')) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 export default Export;