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Diffstat (limited to 'resources/jquery/jquery.byteLength.js')
| -rw-r--r-- | resources/jquery/jquery.byteLength.js | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/resources/jquery/jquery.byteLength.js b/resources/jquery/jquery.byteLength.js deleted file mode 100644 index 398937e6..00000000 --- a/resources/jquery/jquery.byteLength.js +++ /dev/null @@ -1,31 +0,0 @@ -/** - * jQuery.byteLength - * - * Calculate the byte length of a string (accounting for UTF-8). - * - * @author Jan Paul Posma, 2011 - * @author Timo Tijhof, 2012 - * @author David Chan, 2013 - */ -jQuery.byteLength = function ( str ) { - - // This basically figures out how many bytes a UTF-16 string (which is what js sees) - // will take in UTF-8 by replacing a 2 byte character with 2 *'s, etc, and counting that. - // Note, surrogate (\uD800-\uDFFF) characters are counted as 2 bytes, since there's two of them - // and the actual character takes 4 bytes in UTF-8 (2*2=4). Might not work perfectly in - // edge cases such as illegal sequences, but that should never happen. - - // https://en.wikipedia.org/wiki/UTF-8#Description - // The mapping from UTF-16 code units to UTF-8 bytes is as follows: - // > Range 0000-007F: codepoints that become 1 byte of UTF-8 - // > Range 0080-07FF: codepoints that become 2 bytes of UTF-8 - // > Range 0800-D7FF: codepoints that become 3 bytes of UTF-8 - // > Range D800-DFFF: Surrogates (each pair becomes 4 bytes of UTF-8) - // > Range E000-FFFF: codepoints that become 3 bytes of UTF-8 (continued) - - return str - .replace( /[\u0080-\u07FF\uD800-\uDFFF]/g, '**' ) - .replace( /[\u0800-\uD7FF\uE000-\uFFFF]/g, '***' ) - .length; - -}; |