Bump to v4.17.21

toNumber.js

@@ -1,12 +1,10 @@
+import baseTrim from './_baseTrim.js';
 import isObject from './isObject.js';
 import isSymbol from './isSymbol.js';
 
 /** Used as references for various `Number` constants. */
 var NAN = 0 / 0;
 
-/** Used to match leading and trailing whitespace. */
-var reTrim = /^\s+|\s+$/g;
-
 /** Used to detect bad signed hexadecimal string values. */
 var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
 
@@ -56,7 +54,7 @@ function toNumber(value) {
   if (typeof value != 'string') {
     return value === 0 ? value : +value;
   }
-  value = value.replace(reTrim, '');
+  value = baseTrim(value);
   var isBinary = reIsBinary.test(value);
   return (isBinary || reIsOctal.test(value))
     ? freeParseInt(value.slice(2), isBinary ? 2 : 8)