@@ -0,0 +1,96 @@
( function ( exports , require , module , __filename , __dirname , process , global , Buffer ) { return function ( exports , require , module , __filename , __dirname ) { 'use strict' ;
var token = '%[a-f0-9]{2}' ;
var singleMatcher = new RegExp ( token , 'gi' ) ;
var multiMatcher = new RegExp ( '(' + token + ')+' , 'gi' ) ;
function decodeComponents ( components , split ) {
try {
// Try to decode the entire string first
return decodeURIComponent ( components . join ( '' ) ) ;
} catch ( err ) {
// Do nothing
}
if ( components . length === 1 ) {
return components ;
}
split = split || 1 ;
// Split the array in 2 parts
var left = components . slice ( 0 , split ) ;
var right = components . slice ( split ) ;
return Array . prototype . concat . call ( [ ] , decodeComponents ( left ) , decodeComponents ( right ) ) ;
}
function decode ( input ) {
try {
return decodeURIComponent ( input ) ;
} catch ( err ) {
var tokens = input . match ( singleMatcher ) ;
for ( var i = 1 ; i < tokens . length ; i ++ ) {
input = decodeComponents ( tokens , i ) . join ( '' ) ;
tokens = input . match ( singleMatcher ) ;
}
return input ;
}
}
function customDecodeURIComponent ( input ) {
// Keep track of all the replacements and prefill the map with the `BOM`
var replaceMap = {
'%FE%FF' : '\uFFFD\uFFFD' ,
'%FF%FE' : '\uFFFD\uFFFD'
} ;
var match = multiMatcher . exec ( input ) ;
while ( match ) {
try {
// Decode as big chunks as possible
replaceMap [ match [ 0 ] ] = decodeURIComponent ( match [ 0 ] ) ;
} catch ( err ) {
var result = decode ( match [ 0 ] ) ;
if ( result !== match [ 0 ] ) {
replaceMap [ match [ 0 ] ] = result ;
}
}
match = multiMatcher . exec ( input ) ;
}
// Add `%C2` at the end of the map to make sure it does not replace the combinator before everything else
replaceMap [ '%C2' ] = '\uFFFD' ;
var entries = Object . keys ( replaceMap ) ;
for ( var i = 0 ; i < entries . length ; i ++ ) {
// Replace all decoded components
var key = entries [ i ] ;
input = input . replace ( new RegExp ( key , 'g' ) , replaceMap [ key ] ) ;
}
return input ;
}
module . exports = function ( encodedURI ) {
if ( typeof encodedURI !== 'string' ) {
throw new TypeError ( 'Expected `encodedURI` to be of type `string`, got `' + typeof encodedURI + '`' ) ;
}
try {
encodedURI = encodedURI . replace ( / \+ / g, ' ' ) ;
// Try the built in decoder first
return decodeURIComponent ( encodedURI ) ;
} catch ( err ) {
// Fallback to a more advanced decoder
return customDecodeURIComponent ( encodedURI ) ;
}
} ;
} . call ( this , exports , require , module , __filename , __dirname ) ; } ) ;
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