Remove rPrefixUnderscore

hexojs · Nov 15, 2018 · 40270ac · 40270ac
1 parent e9b1423
commit 40270ac
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/lib/camel_case_keys.js b/lib/camel_case_keys.js
@@ -2,8 +2,6 @@
 
 const camelCase = require('camel-case');
 
-const rPrefixUnderscore = /^(_+)/;
-
 function getter(key) {
   return function() {
     return this[key];
@@ -17,13 +15,14 @@ function setter(key) {
 }
 
 function toCamelCase(str) {
-  const match = str.match(rPrefixUnderscore);
+  let prefixLength = -1;
+
+  while (str[++prefixLength] === '_');
 
-  if (!match) {
+  if (!prefixLength) {
     return camelCase(str);
   }
-  const underscore = match[1];
-  return underscore + camelCase(str.substring(underscore.length));
+  return str.substring(0, prefixLength) + camelCase(str.substring(prefixLength));
 }
 
 function camelCaseKeys(obj) {