From: Ardis Lu <ardisglu@gmail.com>
Date: Thu, 3 Jul 2025 06:45:31 +0000 (-0700)
Subject: Handle whitespace strings
X-Git-Tag: v0.1.2~8
X-Git-Url: https://git.ardis.lu/?a=commitdiff_plain;h=e5397b2e6f0b9da1a9b837c6d3c7a32e86b6da99;p=csvio

Handle whitespace strings
---

diff --git a/src/normalization.js b/src/normalization.js
index 04e24af..a7409d4 100644
--- a/src/normalization.js
+++ b/src/normalization.js
@@ -20,6 +20,7 @@ export function getDecimalSeparator(locale) {
  */
 export function toCamelCase(str) {
   str = str.trim();
+  if (str === '') { return ''; }
   if (!/[\s\-_]+(.)/.test(str)) {  // No separator found, fix the first letter but must assume the rest is already in camelCase
     return `${str[0].toLowerCase()}${str.substring(1)}`;
   }
diff --git a/test/normalization.test.js b/test/normalization.test.js
index e41a876..c2c29ce 100644
--- a/test/normalization.test.js
+++ b/test/normalization.test.js
@@ -45,7 +45,9 @@ suite('toCamelCase', { concurrency: true }, () => {
     { name: 'converts mixed casing', input: 'ExAmPlE oNe', output: 'exampleOne' },
     { name: 'converts mixed casing (multiple words)', input: 'eXaMpLe TwO-wItH_mOrE wOrDs', output: 'exampleTwoWithMoreWords' },
     { name: 'converts excess whitespace', input: '   exampleOne  \r\n', output: 'exampleOne' },
-    { name: 'converts excess whitespace (multiple words)', input: ' \r\n\r\n    example    Two\rWith More   \r\nWords  \r\n', output: 'exampleTwoWithMoreWords' }
+    { name: 'converts excess whitespace (multiple words)', input: ' \r\n\r\n    example    Two\rWith More   \r\nWords  \r\n', output: 'exampleTwoWithMoreWords' },
+    { name: 'handles empty string', input: '', output: '' },
+    { name: 'handles whitespace-only string', input: '  \r\n', output: '' }
   ];
   for (const { name, input, output } of vectors) {
     test(name, { concurrency: true }, () => {