updates

1 files changed, 2 insertions, 51 deletions

diff --git a/node_modules/source-map/lib/base64.js b/node_modules/source-map/lib/base64.js
index 8aa86b30..b9ca3199 100644
--- a/node_modules/source-map/lib/base64.js
+++ b/node_modules/source-map/lib/base64.js
@@ -5,63 +5,14 @@
  * http://opensource.org/licenses/BSD-3-Clause
  */
 
-var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+const intToCharMap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");
 
 /**
  * Encode an integer in the range of 0 to 63 to a single base 64 digit.
  */
-exports.encode = function (number) {
+exports.encode = function(number) {
   if (0 <= number && number < intToCharMap.length) {
     return intToCharMap[number];
   }
   throw new TypeError("Must be between 0 and 63: " + number);
 };
-
-/**
- * Decode a single base 64 character code digit to an integer. Returns -1 on
- * failure.
- */
-exports.decode = function (charCode) {
-  var bigA = 65;     // 'A'
-  var bigZ = 90;     // 'Z'
-
-  var littleA = 97;  // 'a'
-  var littleZ = 122; // 'z'
-
-  var zero = 48;     // '0'
-  var nine = 57;     // '9'
-
-  var plus = 43;     // '+'
-  var slash = 47;    // '/'
-
-  var littleOffset = 26;
-  var numberOffset = 52;
-
-  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
-  if (bigA <= charCode && charCode <= bigZ) {
-    return (charCode - bigA);
-  }
-
-  // 26 - 51: abcdefghijklmnopqrstuvwxyz
-  if (littleA <= charCode && charCode <= littleZ) {
-    return (charCode - littleA + littleOffset);
-  }
-
-  // 52 - 61: 0123456789
-  if (zero <= charCode && charCode <= nine) {
-    return (charCode - zero + numberOffset);
-  }
-
-  // 62: +
-  if (charCode == plus) {
-    return 62;
-  }
-
-  // 63: /
-  if (charCode == slash) {
-    return 63;
-  }
-
-  // Invalid base64 digit.
-  return -1;
-};