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Diffstat (limited to 'ui/jquery-patch.js')
| -rw-r--r-- | ui/jquery-patch.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ui/jquery-patch.js b/ui/jquery-patch.js index 4d939535e..578c47a3f 100644 --- a/ui/jquery-patch.js +++ b/ui/jquery-patch.js @@ -36,6 +36,36 @@ if ( !$.uniqueSort ) { $.uniqueSort = $.unique; } +// Support: jQuery 2.2.x or older. +// This method has been defined in jQuery 3.0.0. +// Code from https://github.com/jquery/jquery/blob/e539bac79e666bba95bba86d690b4e609dca2286/src/selector/escapeSelector.js +if ( !$.escapeSelector ) { + + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g; + + var fcssescape = function( ch, asCodePoint ) { + if ( asCodePoint ) { + + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } + + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } + + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; + }; + + $.escapeSelector = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); + }; +} + // Support: jQuery 3.4.x or older // These methods have been defined in jQuery 3.5.0. if ( !$.fn.even || !$.fn.odd ) { |