improve error message

shinnn · Nov 18, 2014 · d4134e8 · d4134e8
1 parent 3003b4f
commit d4134e8
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Showing 3 changed files with 6 additions and 6 deletions.
diff --git a/array-to-sentence-cjs.js b/array-to-sentence-cjs.js
@@ -7,7 +7,7 @@ module.exports = function arrayToSentence(arr, options) {
   'use strict';
 
   if (!Array.isArray(arr)) {
-    throw new TypeError('Argument must be an array.');
+    throw new TypeError('First argument must be an array.');
   }
 
   if (arr.length === 0) {

diff --git a/array-to-sentence.js b/array-to-sentence.js
@@ -7,7 +7,7 @@ window.arrayToSentence = function arrayToSentence(arr, options) {
   'use strict';
 
   if (!Array.isArray(arr)) {
-    throw new TypeError('Argument must be an array.');
+    throw new TypeError('First argument must be an array.');
   }
 
   if (arr.length === 0) {

diff --git a/test.js b/test.js
@@ -32,22 +32,22 @@ function runTest(description, main) {
     );
 
     t.throws(
-      main.bind(null), /TypeError/,
+      main.bind(null), /TypeError.*First argument/,
       'should throw a type error when it takes no arguments.'
     );
 
     t.throws(
-      main.bind(null, arguments), /TypeError/,
+      main.bind(null, arguments), /TypeError.*First argument/,
       'should throw a type error when the first argument is not an array.'
     );
 
     t.throws(
-      main.bind(null, [1, 2], {separator: 1}), /TypeError/,
+      main.bind(null, [1, 2], {separator: 1}), /TypeError.*must be a string/,
       'should throw a type error when `separator` option is not a string.'
     );
 
     t.throws(
-      main.bind(null, [1, 2], {lastSeparator: ['']}), /TypeError/,
+      main.bind(null, [1, 2], {lastSeparator: ['']}), /TypeError.*must be a string/,
       'should throw a type error when `lastSeparator` option is not a string.'
     );
   });