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optimize #13

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19 changes: 13 additions & 6 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,22 @@
const base64url = module.exports

base64url.unescape = function unescape (str) {
return (str + '==='.slice((str.length + 3) % 4))
.replace(/-/g, '+')
.replace(/_/g, '/')
return (str + '==='.slice((str.length + 3) % 4)).replace(/[_-]/g, function (c) {
return c === '-' ? '+' : '/';
});
}

base64url.escape = function escape (str) {
return str.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=/g, '')
return str.replace(/[_-+]/g, function (c) {
if (c === '+') {
return '-';
}
if (c === '/') {
return '_';
}
// =
return '';
});
}

base64url.encode = function encode (str, encoding) {
Expand Down